Miller, F L; Russell, R H; Gunn, A (1975): Caribou observations on Queen Elizabeth Islands (Tab. 1 + 2) [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.743321, Supplement to: Miller, FL et al. (1975): The recent decline of peary caribou on western Queen Elizabeth Islands of Arctic Canada. Polarforschung, 45(1), 17-21, hdl:10013/epic.29418.d001
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Abstract:
The numbers and distributions of Peary caribou (Rangiier tarandus pearyi) on western Queen Elizabeth Islands, Northwest Territories were determined by aerial surveys based on a standard census strip method. Surveys were flown in March-April and July-August periods in 1972, 1973, and 1974. Comparison of the 1973 and 1974 survevs with those results of a comparable survey in 1961 showed an overall decline of 89% in numbers of caribou between 1961 and 1974. Percentage reduction of caribou numbers from 1961 to 1874 followed a west-cast gradient on the three major islands: Prince Patrick 72%, Melville 87% , and Bathurst 92%. The marked decrease in numbers of caribou is attributed to a combination of high winter mortality in some years and an overall low rate of births and recruitment from 1961 to 1974.
Coverage:
Median Latitude: 76.649085 * Median Longitude: -109.019223 * South-bound Latitude: 75.313400 * West-bound Longitude: -118.762500 * North-bound Latitude: 78.576400 * East-bound Longitude: -99.746100
Date/Time Start: 1961-01-01T00:00:00 * Date/Time End: 1974-01-01T00:00:00
Event(s):
Alexander * Latitude: 75.851500 * Longitude: -102.769500 * Date/Time Start: 1961-12-31T00:00:00 * Date/Time End: 1974-12-31T00:00:00 * Location: Western Queen Elizabeth Islands, Northwest Territories * Method/Device: Observation (OBSE)
Parameter(s):
| # | Name | Short Name | Unit | Principal Investigator | Method/Device | Comment |
|---|---|---|---|---|---|---|
| 1 | Event label | Event | ||||
| 2 | DATE/TIME | Date/Time | Geocode | |||
| 3 | Individuals | Ind | # | Miller, F L | Counting | |
| 4 | Individuals | Ind | # | Miller, F L | Estimated | |
| 5 | Percentage | Perc | % | Miller, F L | of total estimated caribou | |
| 6 | Individuals | Ind | # | Miller, F L | Estimated | caribou/100 km**2 |
| 7 | Percentage | Perc | % | Miller, F L | of total survey area |
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
166 data points