fish populations

First-ever estimate of worldwide fish biomass, impact on climate change

harminka — Fri, 16 Jan 2009 10:37:05 -0600

Are there really plenty of fish in the sea? University of British Columbia fisheries researcher Villy Christensen gives the first-ever estimate of total fish biomass in our oceans: Two billion tonnes.

Spookfish uses mirrors for eyes

harminka — Thu, 08 Jan 2009 03:49:35 -0600

A remarkable new discovery shows the four-eyed spookfish to be the first vertebrate ever found to use mirrors, rather than lenses, to focus light in its eyes.

Historians detail collapse of bluefin tuna population off northern Europe

harminka — Mon, 06 Aug 2007 01:38:31 -0500

Ocean historians affiliated with the Census of Marine Life have painted the first detailed portrait of a burst of fishing from 1900 to 1950 that preceded the collapse of once abundant bluefin tuna populations off the coast of northern Europe.

Killing few animals won't do any harm?

harminka — Tue, 24 Jul 2007 03:36:32 -0500

Using advanced mathematical modeling, researchers from Sweden and The Netherlands show in an article in the August issue of the American Naturalist that this statement is sometimes true.