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Sustainable Ecosystems and Community News - ENN





 



World's biggest tropical carbon sink found in Congo rainforest

Mon, 16 Jan 2017 14:04:00 EST

A 145,000 sq km area of peatland swamp forest has been discovered in the Congo Basin, writes Tim Radford, and it holds a record 30 Gt of carbon, equivalent to 20 years of US fossil fuel emissions. Now the race is on to protect it from damaging development that would emit that carbon over coming decades.(image)



Genome sequence of a polar alga explains adaptation to extreme climates

Mon, 16 Jan 2017 10:00:00 EST

An international team of researchers has identified the genetic mutations which allowed microalgae (phytoplankton) from the Southern Ocean to adapt to extreme and highly variable climates – a step towards understanding how polar organisms are impacted by climate change.(image)



Scientists highlight the critical role of birds in forest regeneration

Mon, 16 Jan 2017 08:32:00 EST

The loss of birds could significantly impact efforts to combat deforestation, according to research from scientists looking at species across the Brazilian Amazon. (image)



'Shrew'-d advice: Study of Arctic shrews, parasites indicates how climate change may affect ecosystems and communities

Thu, 12 Jan 2017 16:43:00 EST

MANHATTAN — The shrew and its parasites — even 40-year-old preserved ones — are the new indicators of environmental change, according to a Kansas State University researcher. (image)



PRESSURE FROM GRAZERS HASTENS ECOSYSTEM COLLAPSE FROM DROUGHT

Wed, 11 Jan 2017 16:39:00 EST

Extreme droughts, intensified by a warming climate, are increasingly causing ecosystem collapse in many regions worldwide. But models used by scientists to predict the tipping points at which drought stress leads to ecosystem collapse have proven unreliable and too optimistic.A new study by scientists at Duke University and Beijing Normal University may hold the answer why.   The researchers found that these tipping points can happen much sooner than current models predict because of the added pressures placed on drought-weakened plants by grazing animals and fungal pathogens.(image)



Changing climate changes soils

Wed, 11 Jan 2017 14:29:00 EST

The hottest months. The snowiest winters. Catastrophic floods and droughts.Climate change impacts lives across the world in drastic and unpredictable ways. This unpredictability also extends to the more subtle – yet still important – effects of climate change.For example, it is uncertain how climate change will affect soils and their ability to support productive farms or healthy natural ecosystems.(image)



World's largest tropical peatland discovered in Congo swamps

Wed, 11 Jan 2017 13:51:00 EST

Avast peatland in the Congo Basin has been mapped for the first time, revealing it to be the largest in the tropics.The new study found that the Cuvette Centrale peatlands in the central Congo Basin, which were unknown to exist five years ago, cover 145,500 square kilometres – an area larger than England. They lock in 30 billion tonnes of carbon making the region one of the most carbon-rich ecosystems on Earth. (image)