News tagged with global ecosystem
Study shows experiments underestimate plant responses to climate change
Experiments may dramatically underestimate how plants will respond to climate change in the future. That's the conclusion of an analysis of 50 plant studies on four continents, published this week in an advance online issue ...
May 02, 2012 |
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Long-term research reveals causes and consequences of environmental change
As global temperatures rise, the most threatened ecosystems are those that depend on a season of snow and ice, scientists from the nation's Long Term Ecological Research (LTER) Network say."The vulnerability o ...
Apr 06, 2012 |
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Extreme weather threatens rich ecosystems
Extreme weather such as hurricanes, torrential downpours and droughts will become more frequent in pace with global warming. Consequently, this increases the risk for species extinction, especially in bio diverse ecosystems ...
Mar 30, 2012 |
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Global warming threat to coral reefs: Can some species adapt?
Coral reefs are among the ecosystems most severely threatened by global warming, but hopeful new evidence has emerged that some coral species may be able to adapt to warmer oceans.
Mar 10, 2012 |
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Modeling microbes to manage carbon dioxide
(PhysOrg.com) -- In the past decade, microbiologists began realizing that communities of microbes process energy and materials, which affects their environments. To understand how microbial communities function ...
Feb 07, 2012 |
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Scientists coax shy microorganisms to stand out in a crowd
The communities of marine microorganisms that make up half the biomass in the oceans and are responsible for half the photosynthesis the world over, mostly remain enigmatic. A few abundant groups have had ...
Feb 02, 2012 |
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Seagrass meadow found to be composed of extremely old, large organisms
Mediterranean seagrass meadows contain genetically identical clones up to 15 kilometers apart, suggesting that these organisms must be thousands to tens of thousands of years old, as reported in the Feb. 1 issue of the online ...
Feb 01, 2012 |
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Ecologists gain insight into the likely consequences of global warming
A new insight into the impact that warmer temperatures could have across the world has been uncovered by scientists at Queen Mary, University of London.
Jan 20, 2012 |
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The biodiversity crisis: Worse than climate change
Biodiversity is declining rapidly throughout the world. The challenges of conserving the world's species are perhaps even larger than mitigating the negative effects of global climate change. Dealing with the biodiversity ...
Jan 19, 2012 |
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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 ...
Dec 16, 2011 |
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Industrialization weakens important carbon sink
Australian scientists have reconstructed the past six thousand years in estuary sedimentation records to look for changes in plant and algae abundance. Their findings, published in Global Change Biology, show a ...
Nov 29, 2011 |
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Human activity pulling the plug on a vital carbon sink
(PhysOrg.com) -- Under better conditions coastal ecosystems might be the ace in the hole to mitigate climate change, but human activity is significantly weakening their ability to naturally dampen the impacts of rising CO2 ...
Nov 16, 2011 |
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Q&A: Paul Ehrlich fears the worst for a planet with 7 billion residents
The United Nations projects that world population will reach 7 billion this month and could top 10 billion by the end of the century.
Other Sciences / Social Sciences
Oct 27, 2011 |
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Crowded Earth: how many is too many?
Already straining to host seven billion souls, Earth is set to teem with billions more, and only a revolution in the use of resources can avert an environmental crunch, experts say.
Other Sciences / Social Sciences
Oct 23, 2011 |
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New photos reveal Taiwan shark fishing
A US-based environmental group on Wednesday expressed concern over new photos that seem to show the killing of large numbers of "biologically vulnerable" sharks by fishermen in Taiwan.
Oct 19, 2011 |
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