Estimates of whale population size based on genetics versus historical records diverge greatly, making it difficult to fully understand the ecological implications of the large-scale commercial whaling of the 19th and early ...
Plants & Animals
May 9, 2012
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(PhysOrg.com) -- Most history books report that Native American populations in North America declined significantly after European colonizers appeared, subsequent to the “discovery” of the new world by Christopher ...
(PhysOrg.com) -- A team comprised of geological and environmental science researchers from Stanford University has been studying the impact that early European exploration had on the New World and have found evidence that ...
Researchers at Oregon State University have shown for the first time that loss of biodiversity may be contributing to a fungal infection that is killing amphibians around the world, and provides more evidence for why biodiversity ...
Ecology
Sep 19, 2011
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One in 10 species could face extinction by the year 2100 if current climate change impacts continue. This is the result of University of Exeter research, examining studies on the effects of recent climate change on plant ...
Ecology
Jul 11, 2011
14
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A new genetic study by a team of Cuban and American researchers confirms that American crocodiles are hybridizing with wild populations of critically endangered Cuban crocodiles, which may cause a population decline of this ...
Plants & Animals
Jun 22, 2011
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(PhysOrg.com) -- According to a new report published in the Proceedings of the National Academy of Sciences, human development and habitat loss are not the main contributor to the population decline of many amphibian species. ...
Analysis of a 440-year-old document reveals new details about native population decline in the heartland of the Inca Empire following Spanish conquest in the 16th century.
Archaeology
May 19, 2011
2
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The decline in the US bee population, first observed in 2006, is continuing, a phenomenon that still baffles researchers and beekeepers.
Plants & Animals
Mar 29, 2010
25
1
giants of the fish world that strike terror only among tiny creatures like the plankton and krill they eat -- are imperiled by over-fishing of the species in parts of its ocean range.
Plants & Animals
Apr 7, 2009
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