Campbell, L.M., K. MacLeod, V. Fugère, G. Cabana, L. Witty & O. Morissette. (2024). First records of non-indigenous cyclopoid copepod Thermocyclops crassus (Fischer, 1853) in Eastern Canada. BioInvasions Records. 13(1):161-170.

483497

10.3391/bir.2024.13.1.14 [view]

Campbell, L.M., K. MacLeod, V. Fugère, G. Cabana, L. Witty & O. Morissette

2024

13(1):161-170.

Publication

Available for editors   [request]

We report the first records for the Eurasian zooplankton species Thermocyclops crassus (Fischer, 1853) (Copepoda, Cyclopoida) from two freshwater sites in eastern Canada collected between 2020 and 2022. Thermocyclops crassus were found at high densities (between 8 × 10 3 and 2 × 10 5 adults/m3 ) in Lake St. Pierre on the St. Lawrence River, Québec, but at very low densities (between 0.3 and 0.7 adults/m3 ) in Wentzell’s Lake on the LaHave River system, Nova Scotia. We discuss possible introduction pathways for both sites as well as the need for enhanced biosurveillance and increased public education in eastern Canada.

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