Limnetic Zooplankton Dynamics in Beaver Reservoir including an Inventory of Copepod Species and an Evaluation of Vertical Sampling Methods
copepod diversity, Cladocera, phytoplankton pulses, reservoirs
There can be little doubt that the development of primary food sources (i.e. plankton) is an important factor contributing to fish production. Applegate and Mullan (1968) report that an exceptional sport fish harvest is generally associated with the development of new reservoirs, although the precise reasons for such interrelations are not known. Kramer and Smith (1962) demonstrated the tendency of bass fingerlings to feed on Cladocera in proportion to the latter's abundance, and Hodson (1966) reported the same basic pattern for largemouth and spotted bass fingerlings in Beaver Reservoir. Applegate and Mullan (1969) analyzed the digestive tract contents of larval and fish fry (mostly threadfin shad) to determine when these fish became daphnid predators, and to compare predation with Daphnia mortality. Subsequently, Baker and Schmitz (1970) reported the planktivorous roles of adult gizzard and threadfin shad in Beaver and Bull Shoals Reservoirs, and Ball (1972) demonstrated extensive zooplankton utilization by young black and white crappie in Beaver Reservoir.
Schmitz, Eugene H.. 1974. Limnetic Zooplankton Dynamics in Beaver Reservoir including an Inventory of Copepod Species and an Evaluation of Vertical Sampling Methods. Arkansas Water Resource Center, Fayetteville, AR. PUB020. 53
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