Partial exclusion of spawning Cyprinus carpio to improve coastal marsh habitat may come at the cost of increased carp population growth

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The invasive Common carp can have disastrous affects on coastal marsh habitats when the large carp enter the marsh from the connected lakes to spawn and forage. Some managers have tried to tackle this issue by putting up barriers to movement into the marshes. This tends to improve the marsh, but it can also improve spawning habitat for the carp. If you are not able to keep all the carp out, then the increase in the quality of the carp spawning habitat will actually increase the population growth rate of the carp population.



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