Sky island

Sky islands are isolated mountains surrounded by radically different lowland environments. This has significant implications for natural habitats. Endemism, altitudinal migration, and relict populations are some of the natural phenomena to be found on sky islands.

The complex dynamics of species richness on sky islands draws attention from the discipline of biogeography, and likewise the biodiversity is of concern to conservation biology. One of the key elements of a sky island is separation by physical distance from the other mountain ranges, resulting in a habitat island, such as a forest surrounded by desert.

Some sky islands serve as refugia for boreal species stranded by warming climates since the last ice age. In other cases, localized populations of plants and animals tend towards speciation, similar to oceanic islands such as the Galápagos Islands.

Origin of the term

The sky island concept originated in 1943 when Natt N. Dodge, in an article in Arizona Highways magazine, referred to the Chiricahua Mountains in southeastern Arizona as a "mountain island in a desert sea".

Dark Skies (disambiguation)

Dark Sky may also refer to:

Dark-sky preserve, areas protected for naturally dark night skies

Dark-sky movement, a campaign to reduce light pollution

Dark Skies, a 1990s television series

Dark Skies (film), a 2013 science fiction horror film

"Dark Sky", a song by Jimmy Somerville

Olbers' paradox, the "dark sky at night" paradox

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Lyrics list:

lyrics

Dark Island

text lyrics
Dark Island

text lyrics

Dark Island

Only the night can touch me and I'll feel it anymore
Only the night can kiss me and I'll feel it anymore
When the night whispers to me, I long for the day
When daylight bleaches my dreams, I long for the night
No one teaches you how to say goodbye
You could react to it as calmly as you would
Watch an aeroplane crossing the blue summer sky
No one teaches you how to say goodbye
No one teaches you how to say goodbye
In my dreams the grave robbers fill their pockets up with
goods
Credit cards, the dead mens numbers, and their watches,
their lost time
When the night whispers to me, I long for the day
When daylight bleaches my dreams, I long for the night
No one teaches you how to say goodbye
You could react to it as calmly as you would
Watch an aeroplane crossing the blue summer sky
No one teaches you how to say goodbye
No one teaches you how to say goodbye

photo: NASA/JPL-Calech/University of Arizona

2007/07/30 Powered Landing of Phoenix (Artist Concept) - This artist´s concept depicts NASA´s Phoenix Mars Lander a moment before its 2008 touchdown on the arctic plains of Mars. Pulsed rocket engines control the spacecraft´s speed dur

American Satellite Finds Likely Landing Spot Of Europe's Schiaparelli Probe

Edit WorldNews.com 21 Oct 2016

The Mars Reconnaissance Orbiter (MRO) has identified a large dark patch in the robot's targeted landing zone consistent with a high-velocity impact ... Its context is persuasive, however.The roughly 15m by 40m dark patch, which is probably dust and rock fragments thrown out from the impact, is sited some 5.5km west of Schiaparelli's expected touchdown ......

photo: AP / AP Photo/FILE

FILE - In this June 28, 1960, file photo, U.S. President Dwight Eisenhower, center, is seated between Thailand's King Bhumibol Adulyadej, left, and Queen Sirikit for a motorcade drive from National Airport to the White House in Washington.

Is Reckless Liberalism Forcing Americans to Reconsider Conservatism?

Edit WorldNews.com 21 Oct 2016

Article by WN.com Correspondent Dallas DarlingIt appears Chris Wallace wasn’t the only clear winner in Wednesday night’s long national nightmare between the “nasty woman” and “puppet,” two slurs Hillary Clinton and Donald Trump used against each other during their debate ... Another driving force behind conservatism is the failure of a Democratic and Republican Coalition ... Reflections on Faith, Politics, Spirituality, History, and Peace....

photo: AP / Mark Lennihan

Social Media (Social Networking) Icons for Twitter, Instagram, Facebook and Pinterest are displayed on a window, Wednesday, Jan. 13, 2016, in New York

US Internet Repeatedly Disrupted By Cyberattacks

Edit CBS News 21 Oct 2016

LONDON (AP) — Cyberattacks on a key internet firm repeatedly disrupted the availability of popular websites across the United States Friday, including in Colorado, according to analysts and company officials. Manchester, New Hampshire-based Dyn, Inc. said its server infrastructure was being hit by a distributed denial-of-service attacks, which work by overwhelming targeted machines with junk traffic ... (credit. Thinkstock) ... ....

photo: Creative Commons / William Saturn

The homemade political advertising on a bicycle outside the Los Angeles Central Library three days before the 2008 presidential primary.

New Bicycle Lock Fights Thieves By Making Them Sick

Edit WorldNews.com 21 Oct 2016

Every year, 1.5 million bicycles are stolen, and it appears that no matter how strong a bike's lock is, a determined thief can break it. But now there might be a new sheriff in town ... entrepreneur Daniel Idzkowski and Swiss-born engineer Yves Perrenoud are behind the project ... So, we turned to chemical compounds that seem like the only real way to disable the thieves without causing anyone permanent harm."...

photo: AP / Shizuo Kambayashi

File: A woman prays in front of the historic Aso Shrine collapsed by powerful earthquakes in Aso, Kumamoto prefecture, Japan, Sunday, April 17, 2016.

Magnitude 6.6 earthquake shakes western Japan, no tsunami

Edit The Roanoke Times 21 Oct 2016

There was no risk of a tsunami ... ....

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How and when to spot Halley's Comet debris

Edit Penn Live 22 Oct 2016

And, cloudy skies are forecast for tonight, presenting another obstacle to favorable viewing of anything in our skies. Still want to give it a try? The dark hours before dawn will be your best chance ... Orion is currently ascending in our eastern night-sky in the predawn hours....

Wounded warrior attending Sky Ball a week before he walks his daughter down the aisle

Edit The Dallas Morning News 22 Oct 2016

To some, the American Airlines Sky Ball in support of the Airpower Foundation might just be a nice gala at an airport hangar at DFW International Airport to raise money for ill, wounded and injured service members, veterans and their families. But for me and my family, Sky Ball is personal. Eight years ago, I attended my very first Sky Ball gala ... And because of Sky Ball, a third milestone will take place next Saturday....