News tagged with grasslands
Multiplying like bunnies? Not this jackrabbit
Jul 22, 2009 |
4 / 5 (1) |
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(AP) -- Rabbits are certainly known for their propensity to multiply, but one species of jackrabbit is having trouble keeping up. There are an estimated 150 white-sided jackrabbits left in the United States, and federal ...
Fertilization intensifies competition for light and endangers plant diversity
Apr 30, 2009 |
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When grasslands are fertilized their productivity is increased but their plant diversity is diminished. In the last 50 years levels of plant-available nitrogen and phosphorous have doubled worldwide. This additional supply ...
Invasions by alien plants have been mapped in Europe
Biology /
Jan 22, 2009 |
3.7 / 5 (3) |
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Biological invasions are one of the major threats to biodiversity and in many cases they have considerable impact on economy and human health. For their effective management it is important to understand which areas and ecosystems ...
Biodiversity passes the taste test and is healthier too
Jan 14, 2009 |
3 / 5 (1) |
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Cattle and sheep grazed on natural grasslands help maintain biodiversity and produce tastier, healthier meat, according to a study funded by the Economic and Social Research Council (ESRC). The research, part of the Rural ...
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Nitrogen mysteries in urban grasslands
Oct 13, 2009 |
3 / 5 (1) |
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Urban grasslands are an extremely common, but poorly studied ecosystem type. Many receive high rates of fertilizer, creating concerns about nutrient runoff and greenhouse gas emissions. Recent research has been focused on ...
Study shows housing development on the rise near national forests
Oct 25, 2007 |
3.7 / 5 (3) |
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America’s national forests and grasslands provide the largest single source of freshwater in the United States, habitat for a third of all federally listed threatened or endangered species, and recreation opportunities for ...
Decline of carbon-dioxide-gobbling plankton coincided with ancient global cooling
Biology /
Jan 08, 2009 |
4.6 / 5 (12) |
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(PhysOrg.com) -- The evolutionary history of diatoms -- abundant oceanic plankton that remove billions of tons of carbon dioxide from the air each year -- needs to be rewritten, according to a new Cornell ...
Biodiversity passes the taste test and is healthier too
Biology /
Jan 30, 2009 |
3.3 / 5 (3) |
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(PhysOrg.com) -- Cattle and sheep grazed on natural grasslands help maintain biodiversity and produce tastier, healthier meat, according to a study by the University of Exeter. The research concludes that ...
Nitrogen -- the silent species eliminator
Oct 12, 2007 |
4.3 / 5 (7) |
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Nitrogen pollution from agriculture and fossil fuels is known to be seriously damaging grasslands in the UK. A new European study is starting to show that the effect is Europe-wide, confirming that current policies to protect ...
New study finds that some plants can adapt to widespread climate change
Biology /
Jul 08, 2008 |
3.9 / 5 (9) |
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While many plant species move to a new location or go extinct as a result of climate change, grasslands clinging to a steep, rocky dale-side in Northern England seem to defy the odds and adapt to long-term changes in temperature ...
Illinois counting its chickens
Jul 14, 2006 |
2.5 / 5 (2) |
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A research scientist in Illinois wants to bring the state's prairie chicken population back to the level it was when Abraham Lincoln was alive.
In search of wildlife-friendly biofuels
Oct 01, 2009 |
1 / 5 (1) |
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When society jumps on a bandwagon, even for a good cause, there may be unintended consequences. The unintended consequence of crop-based biofuels may be the loss of wildlife habitat, particularly that of ...
Plague of kangaroos threatens one of Australia's last remaining original native grasslands
May 21, 2008 |
4.7 / 5 (3) |
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Australian Department of Defence is currently culling hundreds of kangaroos on the outskirts of the capital Canberra that have produced heated discussions and hit international headlines. Australia's iconic ...
Intensive land management leaves Europe without carbon sinks
Space & Earth / Earth Sciences
Nov 23, 2009 |
3.5 / 5 (8) |
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A new calculation of Europe's greenhouse gas balance shows that emissions of methane and nitrous oxide tip the balance and eliminate Europe's terrestrial sink of greenhouse gases.
List of search results for grasslands
