Overfishing threatens the survival of seabirds
Tuesday, February 28, 2012 - 14:20
in Biology & Nature
From gannets to seagulls, puffins to penguins, all seabirds suffer the same drop in birth rates when the supply of fish drops to less than a third of maximum capacity. Below the critical level of one third of the fish biomass, the birds — and the stability of the entire ecosystem —- come under threat.