Ecology news
Hunters, not climate change, killed giant beasts 40,000 years ago
The first Australians hunted giant kangaroos, rhinoceros-sized marsupials, huge goannas and other megafauna to extinction shortly after arriving in the country more than 40,000 years ago, new research claims.
Mar 22, 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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Jellyfish replacing fish in over-exploited areas
(PhysOrg.com) -- Over-fished commercial stocks of plankton-eating fish have been replaced in several locations by jellyfish species. This appears to be something of a paradox because fish move quickly and ...
Harvesting of small fish species should be cut: study
(PhysOrg.com) -- New research on the fishing of small fish species near the bottom of their food chains suggests harvesting at levels previously thought to be sustainable could have devastating effects on ...
Most of 'missing species' live in known hotspots, study finds
Most of the world's "missing" or undiscovered species live in regions already identified by scientists as conservation priorities, according to a new study published this week in the journal Proceedings of the National Ac ...
Jul 04, 2011 |
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Closing recreational fishing areas for shorter times could benefit fish and fishermen
(PhysOrg.com) -- A new model that analyzes the complex factors involved in recreational fishing has shown that modeling can lead to some unforeseen results. Among the models surprising conclusions is ...
Has the Earth's sixth mass extinction already arrived?
With the steep decline in populations of many animal species, from frogs and fish to tigers, some scientists have warned that Earth is on the brink of a mass extinction like those that occurred only five times ...
Mar 02, 2011 |
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Disappearance of New Zealand birds 100 years ago makes life tough for plants: study
(PhysOrg.com) -- A team of scientists in New Zealand has found the local disappearance of pollinating birds over a hundred years ago is having a detrimental effect on the species they pollinated.
Delayed legacy of invasive species
(PhysOrg.com) -- A team of researchers in Europe has urged governments to introduce tougher controls of all international trade that could result in the introduction of non-native species. They say the full ...
Dutch study suggests Wi-Fi possibly harmful to trees
(PhysOrg.com) -- A new study carried out in the Netherlands suggests radiation from Wi-Fi networks may be damaging trees and affecting the growth of other plants near routers.
'Swindon Honeybee' could save Britain's bees
(PhysOrg.com) -- Honey bee numbers have been declining almost everywhere due to a pesticide-resistant mite called Varroa. Now a beekeeper in Britain claims to have discovered a strain of bee that destroys ...
Study challenges long-held assumption about competition in disturbed ecosystems
Hurricanes, wildfires and influxes of pollutants create disturbances that can put ecological systems under extreme stress. Ecologists had believed that at times like these, competition between species becomes ...
Jun 28, 2010 |
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Are invasives bad? Not always, researchers say
In 1988, a mysterious invader washed upon the New Jersey shore. The Asian shore crab likely arrived in ballast from commercial ships, and it found its new home to be quite agreeable. More than two decades ...
May 17, 2010 |
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Epidemic this year? Check the lake's shape
Of all the things that might control the onset of disease epidemics in Michigan lakes, the shape of the lakes' bottoms might seem unlikely. But that is precisely the case, and a new BioScience report by sci ...
May 05, 2010 |
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Fishing fleet working 17 times harder than in 1880s to make same catch
The UK trawl fishing fleet has to work 17 times harder to catch the same amount of fish today as it did when most of its boats were powered by sail, according to new research.
May 04, 2010 |
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