News tagged with population size

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Cod has a key role in the whole Baltic Sea

A new investigation put in evidence the key role of cod as regulator of the whole Baltic Sea ecosystem. The study shows that when the cod population in the central Baltic increases, it spreads into larger ...

Apr 18, 2012 4 / 5 (1) 0

Bats keep separate households

(PhysOrg.com) -- The use of different resources by males and females exacerbates the estimation of population sizes. However, the monitoring of population sizes, particularly for rare and threatened species, ...

Mar 24, 2011 5 / 5 (1) 0 | with audio podcast