News tagged with terrestrial ecosystems

Heavy metal movers

Juvenile wood frogs emigrating from their birthplaces in vernal pools into the terrestrial ecosystem may transfer mercury they accumulated during larval development into the food web, according to a team of University of ...

dateFeb 12, 2013 in Environment
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River salinisation an urgent ecological issue

(—A just published review by Australian and European researchers has highlighted the growing global environmental problem of increasing salt levels in the world's rivers. Co-author, Dr Ben Kefford from the University ...

dateJan 31, 2013 in Environment
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A new global warming culprit: Dam drawdowns

Washington State University researchers have documented an underappreciated suite of players in global warming: dams, the water reservoirs behind them, and surges of greenhouse gases as water levels go up and down.

dateAug 08, 2012 in Environment
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Rapid rise in wildfires in large parts of Canada?

Large forest regions in Canada are apparently about to experience rapid change. Based on models, scientists can now show that there are threshold values for wildfires just like there are for epidemics. Large areas of Canada ...

dateDec 16, 2011 in Environment
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Why are orchids so successful?

In terms of diversity, orchids are one of the most successful groups of flowering plants, with over 22,000 species. Both pollinating animals and mycorrhizal fungi are believed to have been important in the diversification ...

dateSep 13, 2011 in Plants & Animals
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