. The Canadian field-naturalist. Natural history. 2002 Andersen: Redside Dace in Lynde and Pringle Creek Watersheds 77 Lynde Creek Watershed. Legend - PWentidl Habiuil based nn inirared PJiotogr^jby Jnierpretatiori J^ ^ ilistortcal and Conlcnqjoraiy Csipturo â - Histork^l Capture 0«ify **â ⢠= Watershed Boundaries = Roads Map Not to Scale / Pringle Creek Watershed Figure 1. Historical (â ) and contemporary (*) Redside Dace, Clinostomus elongatus, collection sites and potential habitat on Lynde and Pringle creeks. impact on the Redside Dace population would appear inevitable. The purpose of t
. The Canadian field-naturalist. Natural history. 2002 Andersen: Redside Dace in Lynde and Pringle Creek Watersheds 77 Lynde Creek Watershed. Legend - PWentidl Habiuil based nn inirared PJiotogr^jby Jnierpretatiori J^ ^ ilistortcal and Conlcnqjoraiy Csipturo â - Histork^l Capture 0«ify **â ⢠= Watershed Boundaries = Roads Map Not to Scale / Pringle Creek Watershed Figure 1. Historical (â ) and contemporary (*) Redside Dace, Clinostomus elongatus, collection sites and potential habitat on Lynde and Pringle creeks. impact on the Redside Dace population would appear inevitable. The purpose of this study would be an attempt to summarize historical capture data, resurvey all known capture sites, identify the current status and range of known Redside Dace habitat and predict potential Redside Dace habitat within the Lynde and Pringle creek watersheds. Methods Historical Capture Mapping All historic collection sites from 1959 to 1999 were taken from the CLOCA Fisheries Database and mapped on a 1:10000 Ontario Base Map (Figure 1). Exact locations were difficult to assess due to location reporting in previous studies which were given in gen- eral or relative terms. Survey locations were, there- fore, derived from a combination of the above infor- mation, landmarks denoted in field records as well as conversations with individuals who conducted the studies (E. Holm, personal communication 1999). Collection Sample collections for the historical studies on the Lynde and Pringle were conducted with seine nets and dip nets only (Archives of Ontario 1959* and Tumey 1984*) or a combination of seine and elec- trofishing (Holm and Crossman 1986*), and were qualitative in nature. For the current study, qualita- tive fish samples were obtained using the single-pass electrofishing method described in Stanfield et al. (1997). Sampling areas coincided with areas of his- toric Redside Dace occurrence. This method was effective and least harmful to the fish compared to netting meth
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