Procedures and rationale for marking sea otters captured and treated during the T/V Exxon Valdez oil spill
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Abstract
Four methods were used for marking sea otters (Enhydra lutris) captured and treated during the response to the T/V Exxon Valdez oil spill. Colored and numbered flipper tags were placed on each sea otter that was brought to the otter treatment centers. These tags allowed individual recognition and permitted the tracking of individuals through the treatment and holding processes. Recovery of tagged carcasses may provide a crude measure of the fates of rehabilitated otters. Seven sea otters were instrumented with radio transmitters attached to flipper tags as part of a pilot release program. The results of that study were inconclusive. Forty-five sea otters were implanted with radio transmitters as part of a study to assess the fate of rehabilitated sea otters. Specific objectives of the study include estimating survived rates and monitoring the reproductive success of the sample of rehabilitated sea otters and comparing the results with similar variables in a control population. Transponder chips were injected in the perianal region of all but seven of the instrumented sea otters, and all were tagged with red flipper tags. The advantages and disadvantages of each type of tag are discussed.
Study Area
| Publication type | Conference Paper |
|---|---|
| Publication Subtype | Conference Paper |
| Title | Procedures and rationale for marking sea otters captured and treated during the T/V Exxon Valdez oil spill |
| Series title | Biological Report |
| Series number | 90(12) |
| DOI | 10.5962/bhl.title.45854 |
| Year Published | 1990 |
| Language | English |
| Publisher | U.S. Fish and Wildlife Service |
| Publisher location | Anchorage, AK |
| Contributing office(s) | Alaska Science Center |
| Description | 6 p. |
| Larger Work Type | Report |
| Larger Work Subtype | Federal Government Series |
| Larger Work Title | Sea otter symposium: Proceedings of a symposium to evaluate the response effort on behalf of sea otters after the T/V Exxon Valdez oil spill into Prince William Sound (Biological Reports 90[12]) |
| First page | 394 |
| Last page | 399 |
| Conference Title | Sea Otter Symposium: Symposium to evaluate the response effort on behalf of sea otters after the T/V Exxon Valdez oil spill into Prince William Sound |
| Conference Location | Anchorage, AK |
| Conference Date | April 17-19, 1990 |
| Country | United States |
| State | Alaska |
| Other Geospatial | Exxon Valdez |
| Google Analytic Metrics | Metrics page |