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Latest Biogeography Stories

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2010-07-08 14:09:37

TAU biologist refutes conventional thinking on evolution Long before TV's campy Fantasy Island, the isolation of island communities has touched an exotic and magical core in us. Darwin's fascination with the Galapagos island chain and the evolution of its plant and animal life is just one example. Think of the extensive lore surrounding island-bred creatures like Komodo dragons, dwarf elephants, and Hobbit-sized humans. Conventional wisdom has it that they "” and a horde of...

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2010-06-15 07:48:18

Will Help Determine Places with Habitat to Support Wildlife The most detailed national vegetation U.S. land-cover map to date was released yesterday by the U.S. Geological Survey (USGS). The map will enable conservation professionals to identify places in the country with sufficient habitat to support wildlife. The map, produced by the USGS Gap Analysis Program (GAP), can be viewed online and downloaded for free. "These data are critical for determining the status of biodiversity, as...

2010-06-11 13:43:11

North America's nearly 2,000 marine protected areas represent an unprecedented effort to protect the continent's fragile marine environments and are found throughout the marine ecoregions that encircle our continent. The latest map from the North American Environmental Atlas"”coordinated by the Commission for Environmental Cooperation (CEC)"”for the first time brings together information about all types of marine protected areas in Canada, Mexico and the United States, offering...

2010-06-06 07:23:08

Vegetation around the world is on the move, and climate change is the culprit, according to a new analysis of global vegetation shifts led by a University of California, Berkeley, ecologist in collaboration with researchers from the U.S. Department of Agriculture Forest Service. In a paper published today in the journal Global Ecology and Biogeography, researchers present evidence that over the past century, vegetation has been gradually moving toward the poles and up mountain slopes, where...

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2010-06-03 08:36:36

Michigan State University scientists have developed a pioneering, comprehensive approach that makes conserving and managing freshwater lakes, streams and wetlands more integrated and effective. "We call our approach landscape limnology," said Patricia Soranno, MSU associate professor of fisheries and wildlife. "It's a new way to study freshwater that considers all freshwaters together "“ lakes, rivers and wetlands "“ as they interact with one another and with natural and human...

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2010-03-31 08:36:48

"Blindsnakes are not very pretty, are rarely noticed, and are often mistaken for earthworms," admits Blair Hedges, professor of biology at Penn State University. "Nonetheless, they tell a very interesting evolutionary story." Hedges and Nicolas Vidal, of the Mus©um National d'Histoire Naturelle in Paris, are co-leaders of the team that discovered that blindsnakes are one of the few groups of organisms that inhabited Madagascar when it broke from India about 100 million years ago and are...

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2010-02-19 13:05:00

Leaders of the Census of Marine Life said on Thursday at the annual meeting of the American Association for the Advancement of Science that in a decade-long search for new ocean life, thousands of new species have been discovered across the globe. The research has involved thousands of scientists from every corner of the world. As of last fall, the census reported having added 5,600 new ocean species to those already known. Professor Ron O'Dor of Dalhousie University in Halifax, Nova...

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2010-02-08 07:45:00

Rugged, hilly landscapes with a range of different habitat types can help maintain more stable butterfly populations and thus aid their conservation, according to new findings published February 8 in the journal Ecology Letters. The research, carried out by scientists from the Centre for Ecology & Hydrology, Butterfly Conservation and the University of York, has implications for how we might design landscapes better to help conserve species. The scientists used UK Land Cover Map data...

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2009-12-10 09:04:33

Despite their ability to fly, tropical birds waited until the formation of the land bridge between North and South America to move northward, according to a University of British Columbia study published this week in the Proceedings of the National Academy of Sciences Early Edition. "While many North American birds simply flew across the marine barriers that once separated the continents, tropical birds, especially those in Amazon forest regions, began colonization of North America almost...

2009-11-11 17:13:27

Geochemical analysis of rare ancient soil produces new paleoclimate data The Congo Basin "” with its massive, lush tropical rain forest "” was far different 150 million to 200 million years ago. At that time Africa and South America were part of the single continent Gondwana. The Congo Basin was arid, with a small amount of seasonal rainfall, and few bushes or trees populated the landscape, according to a new geochemical analysis of rare ancient soils. The geochemical analysis...


Latest Biogeography Reference Libraries

Hispaniolan Pine, Pinus occidentalis
2014-02-26 08:30:03

Hispaniolan pine (Pinus occidentalis) is found largely on the Caribbean island Hispaniola growing on the slopes. Hispaniolan pine forests can be found on the island of Haiti and the Dominican Republic in the mountain range. The Hispaniolan pine can grow in mixed stands of trees with other broadleaf trees at elevations between 2789 and 6890 feet and in pure stands from 6890 feet up to 10,420 feet. These trees are also found in the lowlands growing in acidic soil that is rich in iron and...

Avocado Tree, Persea americana
2014-02-14 16:17:00

Persea americana is a flowering plant that belongs to the Lauraceae family. It is widely known as the Avocado tree. P. americana is a tree that grows up to 66 feet tall. It has alternately arranged leaves that measure about 5 to 10 inches long. Its flowers are tiny and greenish-yellow, measuring .2 to .4 inches in diameter. The tree’s popular, pear shaped green fruit measures 2.8 to 7.9 inches long and weighs between 3.5 and 35 ounces. It contains a single large seed, measuring 2 to 2.5...

Micro Frog, Microbatrachella Capensis
2013-07-16 12:33:22

The Micro Frog (Microbatrachella capensis) is a minute species of frog belonging to the Pyxicephalidae family, in the monotypic genus Microbatrachella. At about .71 inches long, it is one of the smallest regional species. Its color varies from rufous brown with dark mottling, to tan or green, depending on the population. It is native to the south-western Cape area of South Africa, with a single population located on the Cape Flats of Cape Town and a series of populations on the eastern...

Great Basin Shrub Steppe
2013-04-19 20:40:07

The Great Basin shrub steppe ecoregion, located within the Deserts and xeric shrublands Biome, incorporates a variety of xeric shrub-steppe sub-ecoregions in the area of the Great Basin in the Western United States. It’s within the North American Desert area, and includes a great deal of Nevada, northeastern and eastern California east of the Sierra Nevada and Cascade Range rain shadows, and some parts of Utah and Idaho. The Great Basin Desert and semi-arid non-desert xeric shrubland...

Mulga Lands
2013-04-19 20:34:07

The Mulga Lands are an interim Australian bioregion out of eastern Australia made up of dry and sandy plains that are scattered with mulga trees. Located in inland New South Wales and Queensland these are level plains with some low hills and infertile sandy soil with a cover of shrubs and grasses with mulga and eucalyptus trees. The region incorporates regions of wetland, the majority of which are only seasonally flooded, these include Lake Numalla and Lake Wyara, the Currawinya Lakes,...

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Word of the Day
drawcansir
  • A blustering, bullying fellow; a pot-valiant braggart; a bully.
This word is named for Draw-Can-Sir, a character in George Villiers' 17th century play The Rehearsal.
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