Effects of land cover and regional climate variations on long-term spatiotemporal changes in sagebrush ecosystems
GIScience and Remote Sensing
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Abstract
This research investigated the effects of climate and land cover change on variation in sagebrush ecosystems. We combined information of multi-year sagebrush distribution derived from multitemporal remote sensing imagery and climate data to study the variation patterns of sagebrush ecosystems under different potential disturbances. We found that less than 40% of sagebrush ecosystem changes involved abrupt changes directly caused by landscape transformations and over 60% of the variations involved gradual changes directly related to climatic perturbations. The primary increases in bare ground and declines in sagebrush vegetation abundance were significantly correlated with the 1996-2006 decreasing trend in annual precipitation.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Effects of land cover and regional climate variations on long-term spatiotemporal changes in sagebrush ecosystems |
| Series title | GIScience and Remote Sensing |
| Volume | 49 |
| Issue | 3 |
| Year Published | 2012 |
| Language | English |
| Publisher | Taylor & Francis |
| Contributing office(s) | Earth Resources Observation and Science (EROS) Center |
| Description | 19 p. |
| First page | 378 |
| Last page | 396 |