Snaring to control feral pigs sus scrofa in a remote Hawaiian rain forest
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Abstract
Feral pig Sus scrofa control in Kipahulu Valley, a remote rain forest in Haleakala National Park, Maui, Hawaiian Islands, has been achieved with snares over a 45-month period. Initial pig densities in fenced management units of 6·2 km2 and 7·8 km2were estimated at 6 animals/km2 and 14·3 animals/km2 for the two units, based on population reconstruction from animals killed and aged. During the 45 months of the study, 1978 snares were set, and 1·6 million snare nights were logged. Snare density reached 96/km2 and 200/km2 for the two management units by the end of the study. A mean effort of 43 worker hours/pig was used to remove 53 pigs from the upper management unit, and a mean of 7 worker hours/pig to remove 175 animals from the more densely populated lower unit. Pig activity monitoring along transects provided a good measure of control effectiveness until densities of about 1 pig/km2 were achieved, after which transects became less useful than scouting for determining pig activity.
Study Area
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Snaring to control feral pigs sus scrofa in a remote Hawaiian rain forest |
| Series title | Biological Conservation |
| DOI | 10.1016/0006-3207(93)90712-A |
| Volume | 63 |
| Issue | 3 |
| Year Published | 1993 |
| Language | English |
| Publisher | Elsevier |
| Publisher location | Kidlington, Oxford |
| Contributing office(s) | Pacific Island Ecosystems Research Center |
| Description | 7 p. |
| First page | 195 |
| Last page | 201 |
| Country | United States |
| State | Hawai'i |
| County | Maui |
| Other Geospatial | Kipahulu Valley |
| Google Analytic Metrics | Metrics page |