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Management of Lake Fertő Fish population and fishing - page 3 / 12

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Fish population (2)

Significant effects on population:

- colonization: changed the population (not indigenous species), resulted in decrease of water plants, competition for food

- over-colonization of fish species for commercial fishing

- alien species

- new potential diseases by new species

Present state of population:

1.

Decrease of the number of fish species can be detected.

Moreover, some of the indigenous

species (tench, cruciancarp) population

decreased.

University of Debrecen

Centre for Environmental Management and Policy

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