Conservation decisions based on population counts may fail to protect large, slow-breeding animals from irrevocable decline, according to new research coinciding with Endangered Species Day.
Ecology
May 17, 2019
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451
The ancient genomes of the Tsimshian indigenous people left tell-tale markers on the trail of their past, revealing that at least 6,000 years ago their population size was on a slow but steady decline.
Archaeology
Apr 30, 2018
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381
(Phys.org)—A team of researchers with members from the U.S., Chile and New Zealand has uncovered evidence that contradicts the conventional view of the demographic collapse of the Rapa Nui people living on Easter Island, ...
Scientists will have to find alternative explanations for a huge population collapse in Europe at the end of the Bronze Age as researchers prove definitively that climate change - commonly assumed to be responsible - could ...
Earth Sciences
Nov 17, 2014
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1
Parasites, lack of food, cold snaps, pesticides, and poor management all can stress honeybee colonies, making it difficult to pin their collapse on a single source. However, in controlled field tests, honeybee colonies show ...
Plants & Animals
May 16, 2014
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0
(Phys.org) —A trio of researchers working at Flinders University in Adelaide, Australia, has found that bee populations in tropical climates may hold the key to assuring food for humans as the population grows in the future. ...
A new study shows that although certain bumble bees are at risk, other bee species in the northeastern United States persisted across a 140-year period despite expanding human populations and changing land use. Led by Rutgers ...
Plants & Animals
Mar 4, 2013
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The impact of crop pesticides on honeybee colonies is unlikely to cause colony collapse, according to a paper in the journal Science today. More research is now needed to predict the impact of widely-used agricultural insecticides, ...
Plants & Animals
Sep 20, 2012
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In the years after Columbus' voyage, burning of New World forests and fields diminished significantly – a phenomenon some have attributed to decimation of native populations by European diseases. But a new University ...
Earth Sciences
Jul 30, 2012
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0
The population of honeybees remains endangered, threatening the world's food supply, and scientists have decided that the best way to save the insects may be to breed a better bee.
Plants & Animals
Jul 11, 2011
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