Growth and reproduction of some Diaptomus spp. in Saskatchewan ponds

Publisher Website
Google Scholar
Abstract
Field studies on the life cycles of seven species of Diaptomus were undertaken in some ponds in southern and central Saskatchewan. D. sanguineus, D. arcticus, D. stagnalis, and D. kiseri have one generation per year, beginning early in the spring and disappearing by early summer. D. leptopus, D. forbesi, and D. nudus appear somewhat later, have two or three generations per year, and persist throughout the rest of the ice-free period. Correlations were found between water temperature and egg clutch size of Diaptomus females. Variations in size of individuals of different generations were related to temperature. Attempts to associate changes in chemical conditions of the ponds with growth and reproduction of Diaptomus spp. were unsuccessful.