News tagged with nutrient cycling

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.

dateAug 30, 2011 in Ecology
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Life Underground Critical to Earth's Ecosystems

(PhysOrg.com) -- "I wonder if I shall fall right through the Earth!" mused Alice-in-Wonderland as she tumbled down the rabbit-hole." How funny it'll seem to come out among people that walk with their heads ...

dateJul 29, 2009 in Environment
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Forest mortality and climate change: The big picture

Over the past two decades, extensive forest death triggered by hot and dry climatic conditions has been documented on every continent except Antarctica. Forest mortality due to drought and heat stress is expected to increase ...

dateSep 09, 2012 in Environment
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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 ...

dateFeb 02, 2011 in Earth Sciences
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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.

dateDec 09, 2009 in Ecology
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