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ABoVE: Dall Sheep Lamb Recruitment and Climate Data, Alaska and NW Canada, 2000-2015
This dataset contains estimated annual average Dall sheep (Ovis dalli dalli) lamb-to-ewe ratios for each year from 2000-2015 across the full species range in Alaska and Northwestern Canada. Sheep population data are from surveys conducted over the 14 major mountain ranges encompassing the range of Dall sheep. For this study, the mountain ranges were divided into 24 mountain units due to differing climate gradients. Estimated covariate environmental and climate data used to examine the relationship between environmental conditions and Dall sheep population performance (per mountain unit) are also provided and include precipitation, temperature, snow cover, elevation, and distance to the center of the range.
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Complete Metadata
| @type | dcat:Dataset |
|---|---|
| accessLevel | public |
| bureauCode |
[ "026:00" ] |
| contactPoint |
{ "fn": "Earthdata Forum", "@type": "vcard:Contact", "hasEmail": "mailto:earthdata-support@nasa.gov" } |
| description | This dataset contains estimated annual average Dall sheep (Ovis dalli dalli) lamb-to-ewe ratios for each year from 2000-2015 across the full species range in Alaska and Northwestern Canada. Sheep population data are from surveys conducted over the 14 major mountain ranges encompassing the range of Dall sheep. For this study, the mountain ranges were divided into 24 mountain units due to differing climate gradients. Estimated covariate environmental and climate data used to examine the relationship between environmental conditions and Dall sheep population performance (per mountain unit) are also provided and include precipitation, temperature, snow cover, elevation, and distance to the center of the range. |
| distribution |
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| identifier | 10.3334/ORNLDAAC/1640 |
| keyword |
[ "earth-science-animals-vertebrates-biological-classification-mammals", "earth-science-atmospheric-temperature-atmosphere-surface-temperature", "earth-science-biospheric-indicators-climate-indicators-range-changes", "earth-science-ecological-dynamics-biosphere-community-dynamics", "earth-science-ecological-dynamics-biosphere-species-population-interactions", "earth-science-precipitation-atmosphere-precipitation-amount", "earth-science-precipitation-atmosphere-solid-precipitation", "earth-science-snow-ice-terrestrial-hydrosphere-snow-cover" ] |
| license | https://www.usa.gov/government-works |
| modified | 2026-08-18 |
| programCode |
[ "026:000" ] |
| publisher |
{ "name": "ORNL_DAAC", "@type": "org:Organization" } |
| spatial |
"["CARTESIAN", [{"WestBoundingCoordinate": -163.281, "NorthBoundingCoordinate": 69.7074, "EastBoundingCoordinate": -123.547, "SouthBoundingCoordinate": 59.5978}]]"
|
| temporal | 2000-01-01/2015-12-31 |
| theme |
[ "Earth Science" ] |
| title | ABoVE: Dall Sheep Lamb Recruitment and Climate Data, Alaska and NW Canada, 2000-2015 |
