Parasite invasion following host reintroduction: a case of Yellowstone’s wolves
Philosophical Transactions of the Royal Society B: Biological Sciences
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Abstract
Wildlife reintroductions select or treat individuals for good health with the expectation that these individuals will fare better than infected animals. However, these individuals, new to their environment, may also be particularly susceptible to circulating infections and this may result in high morbidity and mortality, potentially jeopardizing the goals of recovery. Here, using the reintroduction of the grey wolf (Canis lupus) into Yellowstone National Park as a case study, we address the question of how parasites invade a reintroduced population and consider the impact of these invasions on population performance. We find that several viral parasites rapidly invaded the population inside the park, likely via spillover from resident canid species, and we contrast these with the slower invasion of sarcoptic mange, caused by the mite Sarcoptes scabiei. The spatio-temporal patterns of mange invasion were largely consistent with patterns of host connectivity and density, and we demonstrate that the area of highest resource quality, supporting the greatest density of wolves, is also the region that appears most susceptible to repeated disease invasion and parasite-induced declines. The success of wolf reintroduction appears not to have been jeopardized by infectious disease, but now shows signs of regulation or limitation modulated by parasites.
Suggested Citation
Cross, P.C., Almberg, E., Dobson, A.P., Smith, D.W., Hudson, P., 2012, Parasite invasion following host reintroduction: a case of Yellowstone’s wolves: Philosophical Transactions of the Royal Society B: Biological Sciences, v. 367, no. 1604, p. 2840-2851, https://doi.org/10.1098/rstb.2011.0369.
Study Area
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Parasite invasion following host reintroduction: a case of Yellowstone’s wolves |
| Series title | Philosophical Transactions of the Royal Society B: Biological Sciences |
| DOI | 10.1098/rstb.2011.0369 |
| Volume | 367 |
| Issue | 1604 |
| Publication Date | October 19, 2012 |
| Year Published | 2012 |
| Language | English |
| Publisher | Royal Society Publishing |
| Publisher location | London, UK |
| Contributing office(s) | Northern Rocky Mountain Science Center |
| Description | 12 p. |
| Larger Work Type | Article |
| Larger Work Subtype | Journal Article |
| Larger Work Title | Philosophical Transactions of the Royal Society B: Biological Sciences |
| First page | 2840 |
| Last page | 2851 |
| Country | United States |
| State | Wyoming |
| Other Geospatial | Yellowstone National Park |
| Additional Online Files (Y/N) | N |