News tagged with food webs

Hungry salmon a problem for restoration efforts

(Phys.org)—Food webs needed by young salmon in the Columbia River basin are likely compromised in places, something that should be considered when prioritizing expensive restoration activities aimed at ...

Nov 29, 2012
not rated yet 0 | with audio podcast

Droughts could cause collapse of food webs

(Phys.org)—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.

Sep 11, 2012
5 / 5 (1) 0

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 ...

Aug 27, 2012
5 / 5 (1) 0

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 ...

Aug 15, 2012
3.6 / 5 (7) 0 | with audio podcast

Marine scientist discusses cod colonization

New evidence suggests that Atlantic cod may have the ability to affect entire food webs in both benthic and pelagic marine ecosystems, according to a University of Maine marine scientist, writing in the Proceedings of ...

May 24, 2012
not rated yet 0