News tagged with nutrient cycle

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 ...

Sep 09, 2012
4.1 / 5 (10) 0 | with audio podcast

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 ...

Jul 29, 2009
5 / 5 (5) 0

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
4 / 5 (5) 12

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 ...

Feb 02, 2011
4.5 / 5 (4) 2

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
4 / 5 (4) 1

Surprising predictor of ecosystem chemistry

Carnegie scientists have found that the plant species making up an ecosystem are better predictors of ecosystem chemistry than environmental conditions such as terrain, geology, or altitude. This is the first ...

Apr 08, 2013
4 / 5 (4) 0 | with audio podcast

Nutrient-rich forests absorb more carbon

The ability of forests to sequester carbon from the atmosphere depends on nutrients available in the forest soils, shows new research from an international team of researchers including the International ...

Apr 14, 2014
4 / 5 (4) 0