News tagged with species composition
Forest diversity from Canada to the sub-tropics influenced by family proximity
How species diversity is maintained is a fundamental question in biology. In a new study, a team of Indiana University biologists has shown for the first time that diversity is influenced on a spatial scale ...
May 17, 2012 |
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Palms reveal the significance of climate change for tropical biodiversity
Scientists at Aarhus University have spearheaded research results that shed new light on the processes forming the composition of species assemblages in the tropics.
Apr 23, 2012 |
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Glass sponge as a living climate archive
(PhysOrg.com) -- Climate scientists have discovered a new archive of historical sea temperatures. With the help of the skeleton of a sponge that belongs to the Monorhaphis chuni species and that lived in the ...
Space & Earth / Earth Sciences
Apr 05, 2012 |
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Scientists document aquatic species decline at dams and weirs
Dams and weirs have a stronger impact on the ecosystem of watercourses than was previously realized. Species diversity in the dammed area upstream of weirs shows a significant decline: the diversity of fish species is one-quarter ...
Sep 14, 2011 |
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Algae and bacteria hogged oxygen after ancient mass extinction, researchers say
(PhysOrg.com) -- After the biggest mass extinction in Earth's history -- 250 million years ago -- ocean algae and bacteria rebounded so fast that they consumed virtually all the oxygen in the sea, slowing ...
Space & Earth / Earth Sciences
Mar 25, 2011 |
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Study predicts an uncertain future for forests
The composition of some of our nation's forests may be quite different 200 to 400 years from today according to a recent study at the University of Illinois. The study found that temperature and photosynthetic active radiation ...
Sep 15, 2009 |
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