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The influence of temperature on the functional response of the dragonfly Celithemis fasciata (Odonata: Libellulidae) by Susan E. Gresens; Marian L. Cothran; James H. Thorp is a Environmental Science article available to read on EtoBox.

What is The influence of temperature on the functional response of the dragonfly Celithemis fasciata (Odonata: Libellulidae) about?

1) Functional response curves were constructed for Celithemis fasciata larvae feeding on 6 different densities of midge larvae at 10, 15, 20, and 25°C. Values for attack rate and handling time were estimated with Rogers's random predator equation. 2) Polynomial regression revealed that the functional response curves were linear although a tendency toward decreasing consumption rates at higher densities was shown. 3) The mean number of prey eaten increased with temperature; however, temperature did not alter the fundamental shape of the functional response curve. 4) The attack rate and handling time were linearly related to temperature in general, but changed relatively little between 15 and 20° C.

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Author

Susan E. Gresens; Marian L. Cothran; James H. Thorp

Publisher

Springer-Verlag; Springer Verlag; Springer Science and Business Media LLC (ISSN 0029-8549)

Published

1982

Language

EN

Field

Environmental Science (Physical Sciences)