2011-07-28 21:24:02Not enough adult Cod to protect the young
Paul D

chillcast@googlemail...
82.18.130.183

This is interesting:

http://www.sciencedaily.com/releases/2011/07/110727151438.htm

The idea is an hypothesis at this stage, but sounds plausible:

eg. Over fishing cod resulted in smaller forage fish preying on young Cod, because the adult cod weren't preying on the smaller forage fish! Hence collapse in Cod numbers.