Prey Dynamics and Predator Impact
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In the previous chapters (7 to 9), emphasis was put on the predators and their ability to obtain prey from the tidal flats. In this chapter more attention is given to the populations of the prey organisms. What is the role of predation in prey dynamics? Two contrasting populations will be compared. In Königshafen, the edible cockle Cerastoderma edule varies strongly in population size between years, while the population of the lugworm Arenicola marina remains relatively constant. Both species occur primarily on tidal flats and are prey to the same predators.
KeywordsTidal Flat Sand Flat Predator Impact Prey Dynamics Predation Hypothesis
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