News tagged with food webs

Mass extinction study provides lessons for modern world

The Cretaceous Period of Earth history ended with a mass extinction that wiped out numerous species, most famously the dinosaurs. A new study now finds that the structure of North American ecosystems made the extinction worse ...

dateOct 29, 2012 in Ecology
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Droughts could cause collapse of food webs

(—Critically low water levels in many rivers could lead to the partial collapse of food webs that support aquatic life, according to a study co-authored by a University of Leeds researcher.

dateSep 11, 2012 in Environment
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How methane becomes fish food

Methane is an organic carbon compound containing the fundamental building block of nearly all living material: carbon. It provides an important source of energy and nutrients for bacteria. Methane is produced in oxygen-free ...

dateAug 27, 2012 in Earth Sciences
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Study proves that one extinction leads to another

When a carnivore becomes extinct, other predatory species could soon follow, according to new research. Scientists have previously put forward this theory, but a University of Exeter team has now carried out the first experiment ...

dateAug 15, 2012 in Ecology
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