News tagged with food chains

UN warns of jellyfish 'vicious circle' in Med

The United Nations on Thursday warned overfishing in the Mediterranean was boosting jellyfish, which reduce stocks further and it called for jellyfish to be used in food, medicine and cosmetics.

May 30, 2013
4.3 / 5 (3) 0

Australia pushes for ocean 'fertilisation' ban

Australia said it was pushing for a ban Thursday of any commercial use of a pioneering technique to reduce the impacts of climate change by "fertilising" the world's oceans with iron, warning of significant ...

May 16, 2013
5 / 5 (3) 1

How much protection is enough?

Protection of marine areas from fishing increases density and biomass of fish and invertebrates (such as lobster and scallops) finds a systematic review published in BioMed Central's open access journal Environmental Evidence. The su ...

Feb 27, 2013
not rated yet 0

As predators decline, carbon emissions rise

(Phys.org)—University of British Columbia researchers have found that when the animals at the top of the food chain are removed, freshwater ecosystems emit a lot more carbon dioxide into the atmosphere.

Feb 18, 2013
4.2 / 5 (5) 1 | with audio podcast