News tagged with species numbers
Decline of carbon-dioxide-gobbling plankton coincided with ancient global cooling
(PhysOrg.com) -- The evolutionary history of diatoms -- abundant oceanic plankton that remove billions of tons of carbon dioxide from the air each year -- needs to be rewritten, according to a new Cornell ...
Biology /
Jan 08, 2009 |
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Accelerating climate change exerts strong pressure on Europe's mountain flora
A pan-European study published in Science shows that mountain plants across the continent are moving to higher altitudes. This often results in raised species numbers on mountain tops, when colonizers from l ...
Apr 19, 2012 |
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A classic model for ecological stability revised, 40 years later
A famous mathematical formula which shook the world of ecology 40 years ago has been revisited and refined by two University of Chicago researchers in the current issue of Nature.
Feb 19, 2012 |
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Who are we sharing the planet with? Millions less species than previously thought
(PhysOrg.com) -- New calculations reveal that the number of species on Earth is likely to be in the order of several million rather than 10's of millions. The findings, from a University of Melbourne-led study, are based ...
Jun 04, 2010 |
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Big cats, wild pigs and short-eared dogs -- oh, my!
The Wildlife Conservation Society (WCS) released photos today from the first large-scale census of jaguars in the Amazon region of Ecuador—one of the most biologically rich regions on the planet.
Biology /
Jan 27, 2009 |
4 / 5 (5) |
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Over the hump: Ecologists use power of network science to challenge long-held theory
For decades, ecologists have toiled to nail down principles explaining why some habitats have many more plant and animal species than others.
Sep 22, 2011 |
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Researchers participate in network science to challenge long-held ecological theory
(PhysOrg.com) -- For decades, ecologists have toiled to nail down general principles explaining why some habitats have so many more plant and animal species than others. Much of this debate is focused on the idea that the ...
Oct 07, 2011 |
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Fish placenta is unfavourable survival strategy
Fish with a placenta struggle to adapt to rapid changes in the food supply. They probably evolved in a stable, food-rich environment. As ecosystems change under the influence of humans, they are experiencing greater difficulty ...
Jul 11, 2011 |
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Bird disease spreads from UK to Europe
(PhysOrg.com) -- The deadly bird disease trichomonosis, which has been killing off large numbers of greenfinches and chaffinches in Britain since 2005, has spread to Europe according to a new study published ...
Sep 23, 2011 |
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DNA duplications may be responsible for genomic-based diseases
An important part of saving a species is often understanding its DNA. Through a collaborative effort including 14 scientists representing organizations across Europe and the United States, researchers have been able to analyze ...
Dec 28, 2011 |
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