News tagged with ecosystems

A sea change for ocean resource management

Ocean ecosystems around the world are threatened by overfishing, extensive shipping routes, energy exploration, pollution and other consequences of ocean-based industry. Data exist that could help protect ...

Mar 11, 2015
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Blue whales 'switch on' Antarctic song

A team of Australian and New Zealand researchers has tracked scores of blue whales off Antarctica, eavesdropping as the world's largest animals began their rumbling song, which can be detected 750 kilometres ...

Mar 11, 2015
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The green lungs of our planet are changing

Are leaves and buds developing earlier in the spring? And do leaves stay on the trees longer in autumn? Do steppe ecosystems remaining green longer and are the savannas becoming drier and drier? In fact, over recent decades, ...

Mar 06, 2015
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Coral reefs' physical conditions set biological rules of nature

Much ecological literature focuses on the effects that human actions have on species, habitats or ecosystems. Unfortunately, human effects on the natural world are often negative. Whether it's deforestation, carbon emissions, plastic pollution or industrialized fishing to na ...

Mar 05, 2015
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Salish Sea seagull populations halved since 1980s

The number of seagulls in the Strait of Georgia is down by 50 per cent from the 1980s and University of British Columbia researchers say the decline reflects changes in the availability of food.

Feb 27, 2015
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