COSEWIC assessment and status report on the Lake chubsucker Erimyzon sucetta in Canada. : CW69-14/68-2021E-PDF

"This small sucker species is restricted in Canada to wetlands in southwestern Ontario. It has very specific and narrow habitat preferences, making it extremely susceptible to habitat changes driven by invasive species, climate change, and agricultural practices. These interacting threats result in increased turbidity and ongoing fragmentation and loss of habitat. In particular, it is suspected that, unless managed effectively, the invasive European Common Reed will rapidly expand and substantially reduce the species' habitat in a short period of time. Three historical subpopulations have been lost and, of the remaining 10, the relative population status is poor for nine and fair for one. If the threats to these extant subpopulations are not managed effectively, loss of individuals and subpopulations will continue"--Reason for designation, page iii.

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publications.gc.ca/pub?id=9.901494&sl=1

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