Based on studies in:
England, River Cam (River)
This list may not be complete but is based on published studies.
- P. H. T. Hartley, Food and feeding relationships in a community of fresh-water fishes, J. Anim. Ecol. 17(1):1-14, from p. 12 (1948).
- Huxham M, Beany S, Raffaelli D (1996) Do parasites reduce the chances of triangulation in a real food web? Oikos 76:284300
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