By strict interpretation of this definition, many fungi, some bacteria, many animals, some protists and a small number of parasitic plants might be considered herbivores. However, ''herbivory'' generally refers to animals eating plants. Fungi, bacteria and protists that feed on living plants are usually termed plant pathogens (plant diseases). Microbes that feed on dead plants are saprotrophs. Flowering plants that obtain nutrition from other living plants are usually termed parasitic plants.
Long thought to be a Mesozoic phenomenon, evidence for herbivory is found almost as soon as fossils which could show it. Within under 20 million years of the first land plants evolving, plants were being consumed by insects. Insects fed on the spores of early Devonian plants, and the Rhynie chert also provides evidence that organisms fed on plants using a "pierce and suck" technique.
Herbivory among terrestrial vertebrates (tetrapods) came much later. Early tetrapods were large amphibious piscivores. While amphibians continued to feed on fish and later insects, reptiles began exploring two new food types, tetrapods (carnivory), and later, plants (herbivory). Carnivory was a natural transition from insectivory for medium and large tetrapods, requiring minimal adaptation. In contrast, a complex set of adaptations was necessary for feeding on highly fibrous plant materials).
During the ensuing 75 million years, plants evolved a range of more complex organs - from roots to seeds. There is no evidence for these being fed upon until the middle-late Mississippian, . There was a gap of 50 to 100 million years between each organ evolving, and it being fed upon; this may be due to the low levels of oxygen during this period, which may have suppressed evolution. Further than their arthropod status, the identity of these early herbivores is uncertain. Hole feeding and skeletonisation are recorded in the early Permian, with surface fluid feeding evolving by the end of that period.
Arthropods have evolved herbivory in four phases, changing their approach to herbivory in response to changing plant communities. Another stage of herbivore evolution is characterized by the evolution of tetrapod herbivores, with the first appearance in the fossil record near the Permio-Carboniferous boundary approximately 300 MYA. The earliest evidence of herbivory by tetrapod organisms is seen in fossils of jawbones where dental occlusion (process by which teeth from the upper jaw come in contact with those in the lower jaw) is present. The evolution of dental occlusion lead to a drastic increase in food processing associated with herbivory and provides direct evidence about feeding strategies based on tooth wear patterns. Examination of phylogenetic frameworks reveals that dental occlusion developed independently in several lineages through dental and mandibular morphologes, suggesting that the evolution and radiation of tetrapod herbivores occurred simultaneously within various lineages.
Several factors play into these fluctuating populations and help stabilize predator-prey dynamics. For example, spatial heterogeneity is maintained, which means there will always be pockets of plants not found by herbivores. This stabilizing dynamic plays an especially important role for specialist herbivores that feed on one species of plant and prevents these specialists from wiping out their food source. Prey defenses also help stabilize predator-prey dynamic, and for more information on these relationships see the section on Plant Defenses. Eating a second prey type helps herbivores’ populations stabilize. Alternating between two or more plant types provides population stability for the herbivore, while the populations of the plants oscillate. This plays an important role for generalist herbivores that eat variety of plants. Keystone herbivores keep vegetation populations in check and allow for a greater diversity of both herbivores and plants. Kleiber’s law states that the metabolic rate (q0) of an animal is the mass of the animal (M) raise to the 3/4 power: q0=M3/4 Therefore, the mass of the animal increases at a faster rate than the metabolic rate.There are many types of feeding strategies employed by herbivores. Many herbivores do not fall into one specific feeding strategy, but instead employ several strategies and eat a variety of plant parts.
Types of feeding strategies:
! Feeding Strategy | ! Diet | ! Example |
Frugivores | Fruit | Ruffed lemurs |
Folivores | Leaves | Koalas |
Nectarivores | Nectar | Honey Possum |
Granivores | Seeds | Hawaiian Honeycreepers |
Palynivores | Pollen | Bees |
Mucivores | Plant fluids, i.e. sap | Aphids |
Xylophages | Wood | Termites |
Optimal Foraging Theory is a model for predicting animal behavior while looking for food or other resource, such as shelter or water. This model assesses both individual movement, such as animal behavior while looking for food, and distribution within a habitat, such as dynamics at the population and community level. For example, the model would be used to look at the browsing behavior of a deer while looking for food, as well as that deer's specific location and movement within the forested habitat and its interaction with other deer while in that habitat.
This model can be controversial, where critics say that the theory is circular and untestable. Critics say that the theory uses examples that fit the theory, but that researchers do not use the theory when it does not fit the reality. Other critics point out that animals do not have the ability to assess and maximize their potential gains, therefore the optimal foraging theory is irrelevant and derived to explain trends that do not exist in nature.
Holling's disk equation models the efficiency at which predators consume prey. The model predicts that as the number of prey increases, the amount of time predators spend handling prey also increases and therefore the efficiency of the predator decreases. In 1959, S. Holling proposed an equation to model the rate of return for an optimal diet: Rate (R ) = Energy gained in foraging (Ef)/(time searching (Ts) + time handling (Th)) Where s = cost of search per unit time f = rate of encounter with items, h = handling time, e = energy gained per encounter In effect, this would indicate that a herbivore in a dense forest would spend more time getting handling (eating) the vegetation because there was so much vegetation around than a herbivore in a sparse forest, who could easily browse through the forest vegetation. Therefore, according to the Holling's disk equation, the herbivore in the sparse forest would be more efficient at eating than the herbivore in the dense forest
Marginal Value Theorem describes the balance between eating all the food in a patch for immediate energy, or moving to a new patch and leaving the plants in the first patch to regenerate for future use. The theory predicts that absent complicating factors, an animal should leave a resource patch when the rate of payoff (amount of food) falls below the average rate of payoff for the entire area. According to this theory, therefore, locus should move to a new patch of food when the patch they are currently feeding on requires more energy to obtain food than an average patch. Within this theory, two subsequent parameters emerge, the Giving Up Density (GUD) and the Giving Up Time (GUT). The Giving Up Density (GUD) quantifies the amount of food that remains in a patch when a forager moves to a new patch. The Giving Up Time (GUT) is used when an animal continuously assesses the patch quality.
A plant defense is a trait that increases plant fitness when faced with herbivory. This is measured relative to another plant that lacks the defensive trait. Plant defenses increase survival and/or reproduction (fitness) of plants under pressure of predation from herbivores.
Defense can be divided into two main categories, tolerance and resistance. Tolerance is the ability of a plant to withstand damage without a reduction in fitness. This can occur by diverting herbivory to non-essential plant parts or by rapid regrowth and recovery from herbivory. Resistance refers to the ability of a plant to reduce the amount of damage it receives from a herbivore. This can occur via avoidance in space or time, physical defenses, or chemical defenses. Defenses can either be constitutive, always present in the plant, or induced, produced or translocated by the plant following damage or stress.
Physical, or mechanical, defenses are barriers or structures designed to deter herbivores or reduce intake rates, lowering overall herbivory. thorns such as those found on roses or acacia trees are one example, as are the spines on a cactus. Smaller hairs known as trichomes may cover leaves or stems and are especially effective against invertebrate herbivores. In addition, some plants have waxes or resins that alter their texture, making them difficult to eat. Finally, some plants sequester silica inside their tissues. These are basically small pieces of glass that wear down the teeth of herbivores.
Chemical defenses are secondary metabolites produced by the plant that deter herbivory. There are a wide variety of these in nature and a single plant can have hundreds of different chemical defenses. Chemical defenses can be divided into two main groups, carbon-based defenses and nitrogen-based defenses.
Carbon-based defenses include terpenes and phenolics. Terpenes are derived from 5-carbon isoprene units and comprise essential oils, carotenoids, resins, and latex. They can have a number of functions that disrupt herbivores such as inhibiting adenosine triphosphate (ATP) formation, molting hormones, or the nervous system. Phenolics combine an aromatic carbon ring with a hydroxyl group. There are a number of different phenolics such as lignins, which are found in cell walls and are very indigestible except for specialized microorgamisms; tannins, which have a bitter taste and bind to proteins making them indigestible; and furanocumerins, which produce free radicals disrupting DNA, protein, and lipids, and can cause skin irritation.
Nitrogen-based defenses are synthesized from amino acids and primarily come in the form of alkaloids and cyanogens. Alkaloids include commonly recognized substances such as caffeine, nicotine, and morphine. These compounds are often bitter and can inhibit DNA or RNA synthesis or block nervous system signal transmission. Cyanogens get their name from the cyanide stored within their tissues. This is released when the plant is damaged and inhibits cellular respiration and electron transport.
Plants have also changed features that enhance the probability of attracting natural enemies to herbivores. Some emit semiochemicals, odors that attract natural enemies, while others provide food and housing to maintain the natural enemies’ presence (e.g. ants that reduce herbivory). A given plant species often has many types of defensive mechanisms, mechanical or chemical, constitutive or induced, which additively serve to protect the plant, and allow it to escape from herbivores.
The myriad of defenses displayed by plants means that their herbivores need a variety of techniques to overcome these defenses and obtain food. These allow herbivores to increase their feeding and use of a host plant. Herbivores have three primary strategies for dealing with plant defenses: choice, herbivore modification, and plant modification.
Feeding choice involves which plants a herbivore chooses to consume. It has been suggested that many herbivores feed on a variety of plants to balance their nutrient uptake and to avoid consuming too much of any one type of defensive chemical. This involves a tradeoff however, between foraging on many plant species to avoid toxins or specializing on one type of plant that can be detoxified.
Herbivore modification is when various adaptations to body or digestive systems of the herbivore allow them to overcome plant defenses. This might include detoxifying secondary metabolites, sequestering toxins unaltered, or avoiding toxins, such as through the production of large amounts of saliva to reduce effectiveness of defenses. Herbivores may also utilize symbionts to evade plant defences. For example, some aphids use bacteria in their gut to provide essential amino acids lacking in their sap diet.
Plant modification occurs when herbivores manipulate their plant prey to increase feeding. For example, some caterpillars roll leaves to reduce the effectiveness of plant defenses activated by sunlight.
It is important to remember that while much of the interaction of herbivory and plant defense is negative, with one individual reducing the fitness of the other, some is actually beneficial. This beneficial herbivory takes the form of mutualisms in which both partners benefit in some way from the interaction. Seed dispersal by herbivores and pollination are two forms of mutualistic herbivory in which the herbivore receives a food resource and the plant is aided in reproduction.
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Coordinates | 34°03′″N118°15′″N |
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name | Sir David Attenborough |
birth date | May 08, 1926 |
birth place | Isleworth, London, England |
residence | Richmond, London |
nationality | British |
alma mater | |
occupation | |
title | |
spouse | Jane Elizabeth Ebsworth Oriel (m. 1950–1997, her death) |
children | |
footnotes | }} |
He is a younger brother of director, producer and actor Richard Attenborough.
Attenborough spent his childhood collecting fossils, stones and other natural specimens. He received encouragement in this pursuit at age seven, when a young Jacquetta Hawkes admired his "museum". A few years later, one of his adoptive sisters gave him a piece of amber filled with prehistoric creatures; some 50 years later, it would be the focus of his programme ''The Amber Time Machine''.
Attenborough was educated at Wyggeston Grammar School for Boys in Leicester and then won a scholarship to Clare College, Cambridge in 1945, where he studied geology and zoology and obtained a degree in Natural Sciences. In 1947, he was called up for National Service in the Royal Navy and spent two years stationed in North Wales and the Firth of Forth.
In 1950, Attenborough married Jane Elizabeth Ebsworth Oriel; the marriage lasted until her death in 1997. The couple had two children, Robert and Susan.
His son, Robert Attenborough, is a senior lecturer in Bioanthropology for the School of Archaeology and Anthropology at the Australian National University in Canberra.
Attenborough's association with natural history programmes began when he produced and presented the three-part series ''The Pattern of Animals''. The studio-bound programme featured animals from London Zoo, with the naturalist Sir Julian Huxley discussing their use of camouflage, aposematism and courtship displays. Through this programme, Attenborough met Jack Lester, the curator of the zoo's reptile house, and they decided to make a series about an animal-collecting expedition. The result was ''Zoo Quest'', first broadcast in 1954, which Attenborough presented at short notice, due to Lester being taken ill.
In 1957, the BBC Natural History Unit was formally established in Bristol. Attenborough was asked to join it, but declined, not wishing to move from London where he and his young family were settled. Instead he formed his own department, the Travel and Exploration Unit, which allowed him to continue to front the ''Zoo Quest'' programmes as well as produce other documentaries, notably the ''Travellers’ Tales'' and ''Adventure'' series.
In the early 1960s, Attenborough resigned from the permanent staff of the BBC to study for a postgraduate degree in social anthropology at the London School of Economics, interweaving his study with further filming. However, he accepted an invitation to return to the BBC as Controller of BBC Two before he could finish the degree.
BBC Two was launched in 1964, but had struggled to capture the public's imagination. When Attenborough arrived as Controller, he quickly abolished the channel's quirky kangaroo mascot and shook up the schedule. With a mission to make BBC Two's output diverse and different from that offered by other networks, he began to establish a portfolio of programmes that defined the channel's identity for decades to come. Under his tenure, music, the arts, entertainment, archaeology, experimental comedy, travel, drama, sport, business, science and natural history all found a place in the weekly schedules. Often, an eclectic mix was offered within a single evening's viewing. Programmes he commissioned included ''Man Alive'', ''Call My Bluff'', ''Chronicle'', ''Life'', ''One Pair of Eyes'', ''The Old Grey Whistle Test'', ''Monty Python's Flying Circus'' and ''The Money Programme''. When BBC Two became the first British channel to broadcast in colour in 1967, Attenborough took advantage by introducing televised snooker, as well as bringing rugby league to British television on a regular basis via the BBC2 Floodlit Trophy.
One of his most significant decisions was to order a 13-part series on the history of Western art, to show off the quality of the new UHF colour television service that BBC Two offered. Broadcast to universal acclaim in 1969, ''Civilisation'' set the blueprint for landmark authored documentaries, which were informally known as "tombstone" or "sledgehammer" projects. Others followed, including Jacob Bronowski's ''The Ascent of Man'' (also commissioned by Attenborough), and Alistair Cooke's ''America''. Attenborough thought that the story of evolution would be a natural subject for such a series. He shared his idea with Chris Parsons, a producer at the Natural History Unit, who came up with the title ''Life on Earth'' and returned to Bristol to start planning the series. Attenborough harboured a strong desire to present the series himself, but this would not be possible so long as he remained in a management post.
In 1969, Attenborough was promoted to Director of Programmes, making him responsible for the output of both BBC channels. His tasks, which included agreeing budgets, attending board meetings and firing staff, were now far removed from the business of filming programmes. When Attenborough's name was being suggested as a candidate for the position of Director General of the BBC in 1972, he phoned his brother Richard to confess that he had no appetite for the job. Early the following year, he left his post to return to full-time programme making, leaving him free to write and present the planned natural history epic.
On his return, he began to work on the scripts for ''Life on Earth''. Due to the scale of his ambition, the BBC decided to partner with an American network to secure the necessary funding. While the negotiations were proceeding he worked on a number of other television projects. He presented a series on tribal art (''The Tribal Eye'', 1975) and another on the voyages of discovery (''The Explorers'', 1975). He also presented a BBC children's series about cryptozoology entitled ''Fabulous Animals'' (1975), which featured mythical creatures such as the griffin and kraken. Eventually, the BBC signed a co-production deal with Turner Broadcasting and ''Life on Earth'' moved into production in 1976.
The success of ''Life on Earth'' prompted the BBC to consider a follow-up, and five years later, ''The Living Planet'' was screened. This time, Attenborough built his series around the theme of ecology, the adaptations of livings things to their environment. It was another critical and commercial success, generating huge international sales for the BBC. In 1990, ''The Trials of Life'' completed the original "Life" trilogy, looking at animal behaviour through the different stages of life. The series drew strong reactions from the viewing public for its sequences of killer whales hunting sea lions on a Patagonian beach and chimpanzees hunting and violently killing a colobus monkey.
In the 1990s, Attenborough continued to use the "Life" moniker for a succession of authored documentaries. In 1993, he presented ''Life in the Freezer'', the first television series to survey the natural history of Antarctica. Although past normal retirement age, he then embarked on a number of more specialised surveys of the natural world, beginning with plants. They proved a difficult subject for his producers, who had to deliver five hours of television featuring what are essentially immobile objects. The result, ''The Private Life of Plants'' (1995), showed plants as dynamic organisms by using time-lapse photography to speed up their growth.
Prompted by an enthusiastic ornithologist at the BBC Natural History Unit, Attenborough then turned his attention to the animal kingdom and in particular, birds. As he was neither an obsessive twitcher, nor a bird expert, he decided he was better qualified to make ''The Life of Birds'' (1998) on the theme of behaviour. The order of the remaining "Life" series was dictated by developments in camera technology. For ''The Life of Mammals'' (2002), low-light and infrared cameras were deployed to reveal the behaviour of nocturnal mammals. The series contains a number of memorable two shots of Attenborough and his subjects, which included chimpanzees, a blue whale and a grizzly bear. Advances in macro photography made it possible to capture natural behaviour of very small creatures for the first time, and in 2005, ''Life in the Undergrowth'' introduced audiences to the world of invertebrates.
At this point, Attenborough realised that he had spent 20 years unconsciously assembling a collection of programmes on all the major groups of terrestrial animals and plants — only reptiles and amphibians were missing. When ''Life in Cold Blood'' was broadcast in 2008, he had the satisfaction of completing the set, brought together in a DVD encyclopaedia called ''Life on Land''. In an interview that year, Attenborough was asked to sum up his achievement, and responded:
However, in 2010 Attenborough asserted that his forthcoming ''First Life'' — dealing with evolutionary history before ''Life on Earth'' — should also be included within the "Life" series. In the documentary ''Attenborough's Journey'' he stated, "This series, to a degree which I really didn't fully appreciate until I started working on it, really completes the set."
Attenborough narrated every episode of ''Wildlife on One'', a BBC One wildlife series which ran for 253 episodes between 1977 and 2005. At its peak, it drew a weekly audience of eight to ten million, and the 1987 episode "Meerkats United" was voted the best wildlife documentary of all time by BBC viewers. He has also narrated over 50 episodes of ''Natural World'', BBC Two's flagship wildlife series. (Its forerunner, ''The World About Us'', was created by Attenborough in 1969, as a vehicle for colour television.) In 1997, he narrated the ''BBC Wildlife Specials'', each focussing on a charismatic species, and screened to mark the Natural History Unit's 40th anniversary.
As a writer and narrator, he continued to collaborate with the BBC Natural History Unit in the new millennium. Alastair Fothergill, a senior producer with whom Attenborough had worked on ''The Trials of Life'' and ''Life in the Freezer'', was making ''The Blue Planet'' (2001), the Unit's first comprehensive series on marine life. He decided not to use an on-screen presenter due to difficulties in speaking to camera through diving apparatus, but asked Attenborough to narrate the films. The same team reunited for ''Planet Earth'' (2006), the biggest nature documentary ever made for television, and the first BBC wildlife series to be shot in high definition. In 2009, Attenborough wrote and narrated ''Life'', a ten-part series focussing on extraordinary animal behaviour, and narrated ''Nature's Great Events'', which showed how seasonal changes trigger major natural spectacles.
By the turn of the millennium, Attenborough's authored documentaries were adopting a more overtly environmentalist stance. In ''State of the Planet'' (2000), he used the latest scientific evidence and interviews with leading scientists and conservationists to assess the impact of man's activities on the natural world. He later turned to the issues of global warming (''The Truth about Climate Change'', 2006) and human population growth (''How Many People Can Live on Planet Earth?'', 2009). He also contributed a programme which highlighted the plight of endangered species to the BBC's ''Saving Planet Earth'' project in 2007, the 50th anniversary of the Natural History Unit.
Interestingly, although Attenborough's documentaries have attained immense popularity in the United States, several have never been made available on DVD in NTSC format, most notably those that cast doubt upon conservative religious or political positions. These include:
He is writing and presenting ''Frozen Planet'', a major new series for BBC One which examines the impact of a warming climate on the people and wildlife of the polar regions. He has also recently completed two projects for BBC Two. ''Madagascar'' (which first aired weekly between the 9 to 23 February 2011) a three-part series giving an overview of Madagascar's unique wildlife. The accompanying documentary ''Attenborough and the Giant Egg'' (which first aired on the 2nd of March 2011) features the elephant bird egg which Attenborough discovered on his first filming expedition to the island in the 1960s.
Attenborough is also forging a new partnership with Sky, working on documentaries for the broadcaster's new 3D network, Sky 3D. Their first collaboration is ''Flying Monsters 3D'', a film about pterosaurs which debuted on Christmas Day 2010. A second film, ''Penguin Island 3D'', has also been announced. Both are produced by Atlantic Productions, the company behind Attenborough's 2010 series ''First Life''.
In 1990, he highlighted the case of Mahjoub Sharif as part of the BBC's ''Prisoners of Conscience'' series.
In January 2009, the BBC commissioned Attenborough to provide a series of 20 ten-minute monologues covering the history of nature. Entitled ''David Attenborough's Life Stories'', they are broadcast on Radio 4 in the Friday night slot vacated by Alistair Cooke's ''Letter from America''. Part of Radio 4's ''A Point of View'' strand, the talks are also available as podcasts.
He appeared in the 2009 Children's Prom at the BBC Promenade Concerts and in the Last Night of the Proms on 12 September 2009, playing a floor polisher in Sir Malcolm Arnold's "A Grand, Grand Overture" (after which he was "shot" by Rory Bremner, who was playing the gun).
Attenborough also serves on the advisory board of ''BBC Wildlife'' magazine.
Attenborough's contribution to broadcasting and wildlife film-making has brought him international recognition. He has been called "the great communicator, the peerless educator" and "the greatest broadcaster of our time". His programmes are often cited as an example of what public service broadcasting should be, even by critics of the BBC, and has influenced a generation of wildlife film-makers.
Attenborough has received the title Honorary Fellow from Clare College, Cambridge (1980), the Zoological Society of London (1998), the Linnean Society (1999), the Institute of Biology (2000) and the Society of Antiquaries (2007).
Attenborough was named as the most trusted celebrity in Britain in a 2006 Reader's Digest poll,. and the following year he won ''The Culture Show'''s Living Icon Award. He has also been named among the 100 Greatest Britons in a 2002 BBC poll and is one of the top ten "Heroes of Our Time" according to ''New Statesman'' magazine.
He has the distinction of having a number of newly-discovered species and fossils being named in his honour. In 1993, after discovering that the Mesozoic reptile ''Plesiosaurus conybeari'' had not, in fact, been a true plesiosaur, the paleontologist Robert Bakker renamed the species ''Attenborosaurus conybeari''. A fossilised armoured fish discovered at the Gogo Formation, Western Australia in 2008 was given the name ''Materpiscis attenboroughi'', after Attenborough had filmed at the site and highlighted its scientific importance in ''Life on Earth''. The ''Materpiscis'' fossil is believed to be the earliest organism capable of internal fertilisation.
He has also lent his name to a species of Ecuadorian flowering tree, ''Blakea attenboroughi'', one of the world's largest carnivorous plants, ''Nepenthes attenboroughii'', and one of only four species of long-beaked echidna, the critically endangered ''Zaglossus attenboroughi'', discovered by explorer and zoologist Tim Flannery in the Cyclops Mountains of New Guinea in 1998.
In September 2009, London's Natural History Museum opened the Attenborough Studio, part of its Darwin Centre development.
However, his closing message from ''State of the Planet'' was forthright:
The future of life on earth depends on our ability to take action. Many individuals are doing what they can, but real success can only come if there's a change in our societies and our economics and in our politics. I've been lucky in my lifetime to see some of the greatest spectacles that the natural world has to offer. Surely we have a responsibility to leave for future generations a planet that is healthy, inhabitable by all species.
Attenborough has subsequently become more vocal in his support of environmental causes. In 2005 and 2006, he backed a BirdLife International project to stop the killing of albatross by longline fishing boats. He gave public support to WWF's campaign to have 220,000 square kilometres of Borneo's rainforest designated a protected area. He also serves as a vice-president of BTCV, vice-president of Fauna and Flora International, president of Butterfly Conservation and president of Leicestershire and Rutland Wildlife Trust. In 2003 he launched an appeal to create a rainforest reserve in Ecuador in memory of Christopher Parsons, the producer of ''Life on Earth'' and a personal friend, who had died the previous year. The same year, he helped to launch ARKive, a global project instigated by Parsons to gather together natural history media into a digital library. ARKive is an initiative of Wildscreen, of which Attenborough is a patron. He later became patron of the World Land Trust, and an active supporter. He supported Glyndebourne in their successful application to obtain planning permission for a wind turbine in an Area of Outstanding Natural Beauty, and gave evidence at the planning inquiry arguing in favour of the proposal.
Attenborough has repeatedly said that he considers human overpopulation to be the root cause of many environmental problems. In ''The Life of Mammals'', he made a plea for humans to curb population growth so that other species will not be crowded out. In 2009, he became a patron of Population Matters, (formerly known as the Optimum Population Trust), a UK charity advocating sustainable human populations.
He has written and spoken publicly about the fact that, despite past scepticism, he believes the Earth's climate is warming in a way that is cause for concern, and that this can likely be attributed to human activity. He summed up his thoughts at the end of his 2006 documentary "Can We Save Planet Earth?" as follows:
In the past, we didn't understand the effect of our actions. Unknowingly, we sowed the wind and now, literally, we are reaping the whirlwind. But we no longer have that excuse: now we do recognise the consequences of our behaviour. Now surely, we must act to reform it — individually and collectively, nationally and internationally — or we doom future generations to catastrophe.
In a 2005 interview with ''BBC Wildlife'' magazine, Attenborough said he considered George W. Bush to be the era's top "environmental villain". In 2007, he further elaborated on the USA's consumption of energy in relation to its population. When asked if he thought America to be "the villain of the piece", he responded:
I don't think whole populations are villainous, but Americans are just extraordinarily unaware of all kinds of things. If you live in the middle of that vast continent, with apparently everything your heart could wish for just because you were born there, then why worry? [...] If people lose knowledge, sympathy and understanding of the natural world, they're going to mistreat it and will not ask their politicians to care for it.
My response is that when Creationists talk about God creating every individual species as a separate act, they always instance hummingbirds, or orchids, sunflowers and beautiful things. But I tend to think instead of a parasitic worm that is boring through the eye of a boy sitting on the bank of a river in West Africa, [a worm] that's going to make him blind. And [I ask them], 'Are you telling me that the God you believe in, who you also say is an all-merciful God, who cares for each one of us individually, are you saying that God created this worm that can live in no other way than in an innocent child's eyeball? Because that doesn't seem to me to coincide with a God who's full of mercy'.
He has explained that he feels the evidence all over the planet clearly shows evolution to be the best way to explain the diversity of life, and that "as far as I'm concerned, if there is a supreme being then he chose organic evolution as a way of bringing into existence the natural world."
In a BBC Four interview with Mark Lawson, Attenborough was asked if he at any time had any religious faith. He replied simply, "No." He has also said "It never really occurred to me to believe in God".
In 2002, Attenborough joined an effort by leading clerics and scientists to oppose the inclusion of creationism in the curriculum of UK state-funded independent schools which receive private sponsorship, such as the Emmanuel Schools Foundation. In 2009, Attenborough stated that the Book of Genesis, by saying that the world was there for people to dominate, had taught generations that they can "dominate" the environment, and that this has resulted in the devastation of vast areas of the environment. Attenborough further explained to the science journal ''Nature'', "That's why Darwinism, and the fact of evolution, is of great importance, because it is that attitude which has led to the devastation of so much, and we are in the situation that we are in."
Also in early 2009, the BBC broadcast an Attenborough one-hour special, ''Charles Darwin and the Tree of Life''. In reference to the programme, Attenborough stated that "People write to me that evolution is only a theory. Well, it is not a theory. Evolution is as solid a historical fact as you could conceive. Evidence from every quarter. What is a theory is whether natural selection is the mechanism and the only mechanism. That is a theory. But the historical reality that dinosaurs led to birds and mammals produced whales, that's not theory." He strongly opposes creationism and its offshoot "intelligent design", saying that a survey that found a quarter of science teachers in state schools believe that creationism should be taught alongside evolution in science lessons was "really terrible".
In March 2009, Attenborough appeared on ''Friday Night with Jonathan Ross''. Attenborough stated that he felt evolution did not rule out the existence of a God and accepted the title of agnostic saying, "My view is: I don't know one way or the other but I don't think that evolution is against a belief in God."
PSB, to me, is not about selecting individual programme strands here or there, financing them from some outside source and then foisting them upon commercial networks. Public Service Broadcasting, watched by a healthy number of viewers, with programmes financed in proportion to their intrinsic needs and not the size of the audience, can only effectively operate as a network — a network whose aim is to cater for the broadest possible range of interests, popular as well as less popular, a network that measures its success not only by its audience size but by the range of its schedule.
Public service broadcasting is one of the things that distinguishes this country and makes me want to live here. I have spent all my life in it. I would be very distressed if public service broadcasting was weakened. I have been at the BBC since 1952, and know the BBC is constantly being battered. It is today.
If you could demonstrate that the BBC was grossly extravagant there might be a case for saying OK take it away. But in fact the BBC per minute in almost every category is as cheap as you can find anywhere in the world and produces the best quality. If you take the money away, which part of the BBC will you remove? The BBC has gone through swingeing staff cuts. It has been cut to the bone, if you divert licence fee money elsewhere, you cut quality and services. There is always that threat from politicians who will say your licence fee is up for grabs. We will take it. There is a lot of people who want to see the BBC weakened. They talk of this terrible tax of the licence fee. Yet it is the best bargain that is going. Four radio channels and god knows how many TV channels. It is piffling.
There have always been politicians or business people who have wanted to cut the BBC back or stop it saying the sort of things it says. There's always been trouble about the licence and if you dropped your guard you could bet our bottom dollar there'd be plenty of people who'd want to take it away. The licence fee is the basis on which the BBC is based and if you destroy it, broadcasting... becomes a wasteland.
Attenborough expressed regret at some of the changes made to the BBC in the 1990s by Director-General John Birt, who introduced an internal market at the corporation, slimmed and even closed some departments and outsourced much of the corporation’s output to private production companies, in line with the Broadcasting Act 1990. He has said:
There is no question but that Birtism . . . has had some terrible results. On the other hand, the BBC had to change. Now it has to produce programmes no one else can do. Otherwise, forget the licence fee.
The Bristol Unit has suffered along with the rest of the BBC from recent staff cuts. Yet it remains confident in the belief that the BBC will maintain it, in spite of the vagaries of fashion, because the Corporation believes that such programmes deserve a place in the schedules of any broadcaster with pretensions of providing a Public Service. In due course, similar specialist Units were also established in London, in order to produce programmes on archaeology and history, on the arts, on music and on science. They too, at one time, had their successes. But they have not survived as well as the Unit in Bristol. The statutory requirement that a certain percentage of programmes must come from independent producers has reduced in-house production and the Units necessarily shrank proportionately in size. As they dwindled, so the critical mass of their production expertise has diminished. The continuity of their archives has been broken, they have lost the close touch they once had worldwide with their subjects and they are no longer regarded internationally as the centres of innovation and expertise that they once were.
When Birt gets up and says the whole of the BBC was a creative mess and it was wasteful, I never saw any evidence of that. I absolutely know it wasn’t so in my time. Producers now spend all their time worrying about money, and the thing has suffered for it.
In 2008, he criticised the BBC’s television schedules:
I have to say that there are moments when I wonder — moments when its two senior networks, first set up as a partnership, schedule simultaneously programmes of identical character, thereby contradicting the very reason that the BBC was given a second network. Then there are times when both BBC One and BBC Two, intoxicated by the sudden popularity of a programme genre, allow that genre to proliferate and run rampant through the schedules. The result is that other kinds of programmes are not placed, simply because of a lack of space. Do we really require so many gardening programmes, make-over programmes or celebrity chefs? Is it not a scandal in this day and age, that there seems to be no place for continuing series of programmes about science or serious music or thoughtful in-depth interviews with people other than politicians?
In 2009, Attenborough commented on the general state of British television, describing the newly introduced product placement on commercial television as something he considered an "appalling" idea 20 years earlier:
I think it's in great trouble. The whole system on which it was built — a limited number of networks, with adequate funding — is under threat. That funding is no longer there. As stations proliferate, so audiences are reduced. The struggle for audiences becomes ever greater, while money diminishes. I think that's a fair recipe for trouble. Inevitably, this has an impact on the BBC … Fortunately, the BBC doesn't think natural history programmes must compete with ''Strictly Come Dancing'' in terms of audience. The BBC says, 'Make proper, responsible natural history programmes.'
Attenborough is also an honorary member of BSES Expeditions, a youth development charity that operates challenging scientific research expeditions to remote wilderness environments.
"Time Flies", a sketch by David Ives, features a pair of anthropomorphic mayflies engaging in a courtship ritual, while watching themselves on television in a documentary narrated by David Attenborough.
The character of Nigel Thornberry, a nature documentarian on Nickelodeon's The Wild Thornberrys is strongly influenced by Attenborough.
He has also been parodied by the Australia 1980s sketch show The Comedy Company where Ian McFadyen portrays a character called David Rabbitborough.
The video game ''Discworld'', based on the series of books by Terry Pratchett, parodies his unique delivery to explain different aspects of the Discworld Universe, such as L-Space.
Mythbusters host Adam Savage often imitates Attenborough when speaking about his co-host Jamie Hyneman, which Jamie verified in the YouTube Special Episode.
Attenborough is known foremost for writing and presenting the ten ''Life'' series, which are presented in chronological order below:
His voice is synonymous with wildlife documentaries for British audiences, and the principal series with which his narration is associated include:
In addition, Attenborough has recorded some of his own works in audiobook form, including ''Life on Earth'', ''Zoo Quest for a Dragon'' and his autobiography ''Life on Air: Memoirs of a Broadcaster''.
Category:1926 births Category:Living people Category:Alumni of Clare College, Cambridge Category:Alumni of University College London Category:BBC Two controllers Category:Commanders of the Order of the British Empire Category:Commanders of the Royal Victorian Order Category:English agnostics Category:English conservationists Category:English environmentalists Category:English television personalities Category:Fellows of the American Academy of Arts and Sciences Category:Fellows of the Royal Society Category:Fellows of the Society of Antiquaries of London Category:Fellows of the Zoological Society of London Category:Kalinga Prize recipients Category:Knights Bachelor Category:Members of the Linnean Society of London Category:Members of the Order of the Companions of Honour Category:Members of the Order of Merit Category:People associated with the University of Leicester Category:People from Leicester Category:People from London Category:Presenters of the Royal Institution Christmas Lectures Category:British Book Award winners
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Coordinates | 34°03′″N118°15′″N |
---|---|
{{infobox uk place | official name | Dorchester | static_image | static_image_caption |static_image_2 |static_image_2_caption | country England | region South West England | shire_county Dorset | shire_district West Dorset | constituency_westminster West Dorset |
population | 16,171 |
population ref | (2001 Census) | population_density | os_grid_reference SY690906 | map_type Dorset | latitude 50.7 | longitude -2.433333 | post_town DORCHESTER | postcode_area DT | postcode_district DT1 | dial_code 01305 | london_distance | website http://www.dorchester-tc.gov.uk }} |
Dorchester ( ) is the county town of Dorset, England. An historic market town, Dorchester lies on the banks of the River Frome, in the Frome Valley, just south of the Dorset Downs and north of the South Dorset Ridgeway, that separates the area from Weymouth, south. In 2001, the town had a population of 16,171 and 7,386 dwellings. In 1991 there were 205 shops in the town.
It is noted as being home and inspiration to the author Thomas Hardy, whose novels ''Tess of the d'Urbervilles'' and ''The Mayor of Casterbridge'' were both based on the town.
The Romans defeated the local tribes by 70 AD. After possibly being converted from a garrison to a town, the Romans named the settlement Durnovaria. This was a Brythonic name meaning 'place with fist-sized pebbles' and appears to have taken part of its name from the local Durotriges tribe who inhabited the area. Durnovaria was first recorded in the 4th century Antonine Itinerary and became a market centre for the surrounding countryside, and an important road junction and staging post, and eventually one of the twin capitals of the Celtic Durotriges tribe.
The Romans walled the town and the remains can still be seen today. The walls were largely replaced with walks that form a square inside modern Dorchester. Known as 'The Walks' a small segment of the original Roman wall still exists today near the Top 'o Town roundabout. The town still has some Roman features, including part of the town walls and the foundations of a Roman town house, which are freely accessible near the County Hall. There are many Roman finds in the County Museum. The Romans built an aqueduct to supply the town with water, lengths of the terrace on which it was constructed still remain in parts. Near the town centre is Maumbury Rings, an ancient British henge earthwork converted by the Romans for use as an amphitheatre, and to the north west is Poundbury Hill, another pre-Roman fortification.
Little evidence exists to suggest continued occupation after the withdrawal of the Roman administration from Britain. Historians have suggested that the town became known as Caer Durnac, mistakenly recorded by Nennius as ''Caer Urnac''. The area remained in British hands until the mid-7th century and there was certainly continuity of use of the Roman cemetery at nearby Poundbury. Dorchester has therefore been suggested as the centre of a sub-kingdom of Dumnonia or other regional power base.
In 1613 and 1725 great fires destroyed large parts of the town, but some of the mediaeval buildings, including Judge Jeffreys' lodgings, and the Tudor almshouse survive in the town centre, amongst the replacement Georgian buildings, many of which are built in Portland limestone.
In the 17th century the town was at the centre of the Puritan emigration to America, and the local rector, John White, organised the settlement of Dorchester, Massachusetts. For his efforts on behalf of Puritan dissenters, White has been called the unheralded founder of the Massachusetts Bay Colony. (Some observers have attributed the oversight to the fact that White, unlike John Winthrop, never came to America.)
In 1642, just prior to the English Civil War, Hugh Green, a Catholic chaplain was executed here. After his execution, Puritans played football with his head. The town was heavily defended against the Royalists in the Civil War. In 1651 Prince Charles, the future King Charles II, on his hasty escape to France via Bridport, narrowly escaped capture by hiding in Lee Lane. A plaque erected on the spot in 1991 commemorates the event.
In 1685 the Duke of Monmouth failed in his invasion attempt, the Monmouth Rebellion, and almost 300 of his men were condemned to death or transportation in the "Bloody Assizes", held in the Oak Room of the Antelope Hotel, Dorchester and presided over by Judge Jeffreys.
Dorchester remained a compact town within the boundaries of the old town walls until the latter part of the 19th century due to the ownership of all land immediately adjacent to the west, south and east by the Duchy of Cornwall. This land composed the Manor of Fordington, and a select few developments had encroached onto it:
This remaining Duchy land was farmed under the open field system until 1874 when the land was enclosed - or consolidated - into three large farms by the landowners and residents. Soon afterwards followed a series of key developments for the town: the enclosing of Poundbury hillfort for public enjoyment in 1876, the 'Fair Field' (new site for the market, off Weymouth Avenue) in 1877, the Recreation Ground (also off Weymouth Avenue) opening in 1880, and the imposing Eldridge Pope Brewery of 1881, adjacent to the railway line to Southampton. Salisbury Field was retained for public use in 1892, with land being purchased in 1895 for the formal Borough Gardens, between West Walks and Cornwall Road. The clock and bandstand were added in 1898.
Meanwhile, land had begun to be developed for housing outside the walls. This included the Cornwall Estate, between the Borough Gardens and the Great Western Railway, from 1876 and the Prince of Wales Estate, centred on Prince of Wales Road, from 1880. Land for the Victoria Park Estate was bought in 1896 and building began in 1897, Queen Victoria's Diamond Jubilee year. The lime trees in Queen's Avenue were planted in February 1897.
Dorchester became Dorset's first Official Transition Initiative in 2008 as part of the Transition Towns concept. Transition Town Dorchester is a Dorchester community response to the challenges, and opportunities, of Peak Oil and Climate Change.
The town's Woolworths shop closed in January 2009 after the high-street retail chain entered administration. The store manager, however, secured investment to re-open the store in March 2009, under the name Wellworths. In May 2009, a skatepark was opened in Dorchester after 12 years of planning and construction.
A new four-star, 48-bed, Conran designed hotel, will be created from the conversion of the listed Brewhouse, originally designed by Crickmay & Sons. G.R. Crickmay (1830–1907) of Weymouth was the architect who employed Thomas Hardy until 1872, when he became a full time writer. The architects are CZWG for most of the new buildings and Conran & Partners for all the conversion buildings and two new buildings. It is one of the largest regeneration projects in the South West, with over of development on the site situated between the main shopping area on South Street, the historic market site and Dorchester South railway station.
The Maltings, one of the original 1880s listed buildings, is, subject to funding, to become a new arts centre for Dorchester. It would replace the existing and cramped premises on School Lane. Oliver Letwin MP, initiated the demolition of the 20th century industrial buildings in early-2006. Construction work on Phase 1, the conversion of the Italianate 1880s Eldridge Pope Offices, started on site in August 2007 and was completed in August 2008. The Sales & Marketing Suite for the development opened in August 2008 and in early September was hailed in the Dorset Echo as the fastest selling new homes development in the country. In June 2007 the Environment Agency granted a license to enable enough water for the scheme to be abstracted so that all the buildings will self sufficient in water from its own well; the same one used by the brewery since 1880.
West Dorset District Council approved planning permission for a £60m regeneration of the Charles Street Car Park site in the town centre. The new development will include new shops and housing, hotel, new library and adult education, and controversially, a new £10m office for West Dorset District Council. The old headquarters, Stratton House and the old Crown Court will be sold to a hotel chain and the national trust respectively.
The town's coat of arms depicts the old castle that used to stand where the prison now does. The royal purple background signifies Dorchester's status as part of the private estates of the king since before Domesday. The shield within the castle depicts lions, copied from the shields of Dorset men who fought at the Battle of Agincourt on 25 October 1415, and fleur-de-lys. The fleur-de-lys on the shield are scattered (or "semée") rather than the more traditional triangular arrangement. Doing so, shows that the town had the right to bear the arms of France before 1405, when they were altered by King Henry VI. Dorchester's seal is the only one in the UK to use the fleur-de-lys in this way. The inscription 'Sigillum Bailivorum Dorcestre' means 'The Seal of the Bailiffs of Dorchester'.
A bypass road was completed in 1988 by construction company Mowlem to the south and west of the town, diverting through traffic using the A35 and A37 from the town.
Kingston Maurward College is a land-based studies college based on the outskirts of the town.
On the hills to the south west of the town, stands Hardy's Monument, a memorial to the other local Thomas Hardy, Sir Thomas Masterman Hardy, who served with Lord Nelson, which overlooks the town with views of Weymouth, the Isle of Portland and Chesil Beach. Tom Roberts, Australian painter, was born in Dorchester in 1856.
Dorchester Arts, a regularly funded arts organisation based in a former school building runs a seasonal programme of music, dance and theatre events in the town as well as a range of participatory arts projects for socially excluded groups and the biannual Dorchester Festival. In 2011, Dorchester Arts became an Arts Council 'National Portfolio organisation' with enhanced funding until 2015.
Museums in Dorchester inclue the Roman Town House, The Dinosaur Museum, the Terracotta Warriors Museum, the Dorset Teddy Bear Museum, The Keep Military Museum, Dorset County Museum and the Tutankhamun Exhibition. All of these museums took part in the "Museums at Night" event in May 2011 where museums across the UK opened after hours.
On 15 December 2004, Dorchester was granted Fairtrade Town status.
Harry Redknapp and former England players Graham Roberts and Martin Chivers represented 'The Magpies' during the late 1970s and early 1980s. The club have historically been based along Weymouth Avenue in the south of the town. Having previously played at the old Avenue Ground since their inception, the club moved to a new purpose built 5,000 capacity Avenue Stadium in the early 1990's - designed and owned by the Duchy of Cornwall. The site of the old Avenue ground is now home to Dorchester Cricket Club.
Dorchester RFC are an amateur rugby union team who currently play in the Southern Counties South league.
Dorchester CC, are a cricket club, who play in the Dorset Premier League, being last crowned champions in 2009.
Aaron Cook, a taekwondo athlete who competed in the 2008 Olympic Games finishing in fifth place, was born in Dorchester.
Category:Market towns in Dorset Category:County towns in England Category:70 establishments Category:Towns in Dorset
ang:Dornƿaraceaster de:Dorchester (Dorset) et:Dorchester es:Dorchester (Dorset) eo:Dorchester fr:Dorchester (Dorset) it:Dorchester (Dorset) kw:Dorchester la:Durnovaria nl:Dorchester (Dorset) ja:ドーチェスター no:Dorchester (Dorset) nn:Dorchester i Dorset pl:Dorchester (Anglia) ro:Dorchester ru:Дорчестер fi:Dorchester sv:Dorchester vo:Dorchester (Dorset)This text is licensed under the Creative Commons CC-BY-SA License. This text was originally published on Wikipedia and was developed by the Wikipedia community.
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