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Change strategy to save diversity of species
Date:4/18/2011

ating in. In the worst case, even individuals of the other population are unable to cope in the environment of the extinct population.

"That's how it is with the cod populations in Bohusln. Despite tough restrictions on catches and despite North Sea cod visiting the Bohusln fjords every year, we are not getting the cod populations back. A similar example is the cod off the coast of Newfoundland in Canada, which have not returned despite a complete halt to fishing for nearly 20 years."

Focusing on the species in order to preserve species diversity in the seas is therefore an incorrect approach that may instead lead to greater losses. Despite this, there is a lack of legislation and recommendations today on how genetic variation within species should to be managed.


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Contact: Kerstin Johannesson
Kerstin.Johannesson@marecol.gu.se
465-266-8611
University of Gothenburg
Source:Eurekalert  

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