News tagged with nutrient cycle
Trace element plays major role in tropical forest nitrogen cycle
A new paper by researchers from the University of Georgia and Princeton University sheds light on the critical part played by a little-studied element, molybdenum, in the nutrient cycles of tropical forests. Understanding ...
Mar 22, 2012 |
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The oldest evidence of bioturbation on Earth
The Ediacaran Period, an interval in Earth's history after the Snowball Earth glaciations but before the Cambrian radiations, marks the introduction of complex macroscopic organisms synchronously in unrelated groups. It has ...
Space & Earth / Earth Sciences
Mar 20, 2012 |
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Restored wetlands rarely equal condition of original wetlands
Wetland restoration is a billion-dollar-a-year industry in the United States that aims to create ecosystems similar to those that disappeared over the past century. But a new analysis of restoration projects ...
Jan 24, 2012 |
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Team finds natural reasons behind nitrogen-rich forests
(PhysOrg.com) -- Many tropical forests are extremely rich in nitrogen even when there are no farms or industries nearby, says Montana State University researcher Jack Brookshire.
Space & Earth / Earth Sciences
Jan 16, 2012 |
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Diverse ecosystems are crucial climate change buffer
Preserving diverse plant life will be crucial to buffer the negative effects of climate change and desertification in in the world's drylands, according to a new landmark study.
Jan 12, 2012 |
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How ammonia affects city's air
(PhysOrg.com) -- Motor vehicles and industry are primary producers of ammonia in Houston's atmosphere, and cars and trucks appear to boost their output during the winter, according to a new study by researchers at Rice University ...
Space & Earth / Earth Sciences
Oct 11, 2011 |
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Are all alien encounters bad?
The pages of ecological history are filled with woeful tales of destruction from non-native species -- organisms that originated elsewhere.
Aug 30, 2011 |
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Researchers link oceanic land crab extinction to colonization of Hawaii
University of Florida researchers have described a new species of land crab that documents the first crab extinction during the human era.
May 16, 2011 |
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Drought-exposed leaves adversely affect soil nutrients, study shows
Chemical changes in tree leaves subjected to warmer, drier conditions that could result from climate change may reduce the availability of soil nutrients, according to a Purdue University study.
Apr 05, 2011 |
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Earth's life support systems discussed
In the search for life on Mars or any planet, there is much more than the presence of carbon and oxygen to consider. Using Earth's biogeochemical cycles as a reference point, elements like nitrogen, iron and sulfur are just ...
Space & Earth / Earth Sciences
Feb 02, 2011 |
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Seeing the hidden services of nature
Following an intense study of agricultural ecosystems near Montreal, a new tool that enables the simultaneous analysis and management of a wide range of ecological services has been developed by Ciara Raudsepp-Hearne of McGill ...
Mar 02, 2010 |
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Your old sofa - and much more - could be composted, say scientists
(PhysOrg.com) -- Polyurethane plastics used to make a host of products from furniture fillings to shoe soles, cable insulation and paints - and which can be difficult to recycle - could soon be degraded in compost heaps, ...
Feb 22, 2010 |
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In Organic Cover Crops, More Seeds Means Fewer Weeds
(PhysOrg.com) -- Farmers cultivating organic produce often use winter cover crops to add soil organic matter, improve nutrient cycling and suppress weeds. Now these producers can optimize cover crop use by ...
Jan 26, 2010 |
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Climate change turns up heat on mushrooms
(PhysOrg.com) -- Scientists have discovered that spring-fruiting fungi, including the morel and St George’s mushroom are fruiting nearly three weeks earlier than they did 50 years ago.
Dec 09, 2009 |
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Mapping nutrient distributions over the Atlantic Ocean
Large-scale distributions of two important nutrient pools - dissolved organic nitrogen and dissolved organic phosphorus (DON and DOP) have been systematically mapped for the first time over the Atlantic Ocean in a study led ...
Space & Earth / Earth Sciences
Nov 03, 2009 |
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