Biological invasions in Lake Ontario : past , present and future

  title={Biological invasions in Lake Ontario : past , present and future},
  author={Ian C. Duggan and Sarah A Bailey and Robert I Colautti and Derek K. Gray and Joseph and Cheryl A Makarewicz and Hugh J MacIsaac},
Lake Ontario has an extensive history of biological invasions, extending more than 170 years. The rate of invasion began to increase during the 1870s, and accelerated after the opening of the St. Lawrence Seaway in the 1950s. Currently, there exist approximately 60 nonindigenous species (NIS) of vertebrate and invertebrate animals, protozoans, algae and aquatic macrophytes established in the lake. Fish are the most widely represented taxon (15 species), followed by algae (14 species), molluscs… CONTINUE READING


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