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. ^â £^MMWJH<fflfr«<BhâBp^ X 5 JFMAMJJASOND Month W Figure 10. Seasonal abundance of Daphnia longiremis in 1972 (open symbols) and 1988 (closed symbols) at the Mid-Lake Deep station in Flathead Lake. Densities were calculated by summing up incremental 10m hauls from 50m to the surface. No D. longiremis were collected in 1988. ^j
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Keywords: ., bhlco, bookcentury1900, bookcollectionamericana, bookleafnumber33