Modelling spread and assessing movement of grass carp, Ctenopharyngodon idella, in the Great Lakes Basin / Warren J.S. Currie ... [et al].: Fs70-5/2016-114E-PDF

"An earlier risk assessment of Asian carps, which included Grass Carp, identified broad potential risks to Canada, including the Great Lakes. While this assessment provided insight into the risk faced by broad areas of Canada, knowledge gaps were identified. Given this, and the recent discovery of Grass Carp recruitment in Lake Erie, a binational ecological risk assessment of Grass Carp was proposed by Fisheries and Oceans Canada (DFO) and the Great Lakes Fishery Commission (GLFC) to the Asian Carp Regional Coordinating Committee (ACRCC) and was endorsed. A non-native species risk assessment involves addressing the key concerns of a biological invasion, which includes assessment of the probability of introduction. The likelihood of spread within or between the Great Lakes is one element included in the probability of introduction. The purpose of this research document is to support the risk assessment by providing a modelling approach (using information available up to 2014) and an in situ assessment of fish movement between lakes through locks and canals to understand the likelihood of spread in the Great Lakes basin"--Intro., p. 1.

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