Does moving up a food chain increase aggregation in parasites?

  title={Does moving up a food chain increase aggregation in parasites?},
  author={Robert J. G. Lester and Ross McVinish},
  journal={Journal of the Royal Society, Interface},
  volume={13 118}
General laws in ecological parasitology are scarce. Here, we evaluate data on numbers of fish parasites published by over 200 authors to determine whether acquiring parasites via prey is associated with an increase in parasite aggregation. Parasite species were grouped taxonomically to produce 20 or more data points per group as far as possible. Most parasites that remained at one trophic level were less aggregated than those that had passed up a food chain. We use a stochastic model to show… CONTINUE READING
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