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Mark-recapture vs. Simulated Removal Trapping for Assessing Temporal Patterns in Ecological Communities: An Example Using Coccidian Parasites of Two Species of Rodents

P. G. Wilber and M. J. Patrick
The American Midland Naturalist
Vol. 137, No. 1 (Jan., 1997), pp. 112-123
DOI: 10.2307/2426760
Stable URL: http://www.jstor.org/stable/2426760
Page Count: 12
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Since scans are not currently available to screen readers, please contact JSTOR User Support for access. We'll provide a PDF copy for your screen reader.
Mark-recapture vs. Simulated Removal Trapping for Assessing Temporal Patterns in Ecological Communities: An Example Using Coccidian Parasites of Two Species of Rodents
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Abstract

Most studies which discuss temporal patterns of parasite infections are based on information from hosts killed at different times. Using data from 202 Merriam's kangaroo rats (Dipodomys merriami) in a mark-recapture study at the Sevilleta National Wildlife Refuge, New Mexico, and 308 adult Townsend's ground squirrels (Spermophilus townsendii) from a mark-recapture study at the Snake River Birds of Prey Area, Idaho, we show that (1) repeated removals may result in sample sizes that are too small to address questions about temporal patterns in prevalence of infection or parasite community size; (2) repeated removals may cause immigration rates high enough to mask or alter the patterns of interest, and (3) mark-recapture trapping can circumvent these problems.

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