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Interspecific Interactions among Gastrointestinal Helminths in Pikas of North America
1980
The American midland naturalist
Two helminth communities, comprising seven species in Ochotona princeps and five in O. collaris, were studied for site specificity and interspecific interactions. There were no cases of competitive exclusion, but four species pairs were found concurrently more often than by chance, possibly due to similarities in life cycles. One case of interactive site segregation was demonstrated. There was a high degree of selective site segregation. The pinworm species superficially appeared to overlap,
doi:10.2307/2425034
fatcat:hnqkyvrtnrdrxnejxfwfidn3jm