Several fish species threaten Norwegian fishing waters

Norwegian fishing watersNorwegian fishing waters.Photo: Terje Bendiksby / SCANPIX

Several foreign species have spread in Norwegian lakes, according to a report from the Norwegian Institute for Nature Research (NINA). – This is bad news, says researcher.

There has been proven 25 new cases of spread of eleven foreign fish species in Norwegian lakes in 2015, according to a report by NINA.
– This spread has major consequences, for both the biological diversity and the area used for outdoor activities, says research director of NINA to Nationen.

Minnows, carp and pike are species that last year were registered as most frequently spreading to new lakes. Minnows are the dominant species which has spread to seven new fishing lakes, while for carp and pike there were three new cases of each species.

– Previously, acid rain was the main threat for the Norwegian inland. Today it is reckless and illegal spread of foreign species we fear most, says Sandlund.
Over 400 new occurrences of foreign fish species have been detected in Norwegian rivers outside their natural habitats over the past five years.
Today it is prohibited to release a species where it previously did not exist, and the use of live fish as bait has been banned for decades.

Source: NTB scanpix / Norway Today

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