Wildfire immediately reduces nest and adult survival of greater sage-grouse
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- More information: Publisher Index Page (via DOI)
- Data Release: USGS data release - Greater Sage-Grouse Adult and Nest Observations Before and After Wildfire in Northwest Nevada (2008-2019)
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Abstract
Wildfire events are becoming more frequent and severe on a global scale. Rising temperatures, prolonged drought, and the presence of pyrophytic invasive grasses are contributing to the degradation of native vegetation communities. Within the Great Basin region of the western U.S., increasing wildfire frequency is transforming the ecosystem toward a higher degree of homogeneity, one dominated by invasive annual grasses and declining landscape productivity. Greater sage-grouse (Centrocercus urophasianus; hereafter sage-grouse) are a species of conservation concern that rely on large tracts of structurally and functionally diverse sagebrush (Artemisia spp.) communities. Using a 12-year (2008–2019) telemetry dataset, we documented immediate impacts of wildfire on demographic rates of a population of sage-grouse that were exposed to two large wildfire events (Virginia Mountains Fire Complex—2016; Long Valley Fire—2017) near the border of California and Nevada. Spatiotemporal heterogeneity in demographic rates were accounted for using a Before-After Control-Impact Paired Series (BACIPS) study design. Results revealed a 40% reduction in adult survival and a 79% reduction in nest survival within areas impacted by wildfires. Our results indicate that wildfire has strong and immediate impacts to two key life stages of a sagebrush indicator species and underscores the importance of fire suppression and immediate restoration following wildfire events.
Study Area
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Wildfire immediately reduces nest and adult survival of greater sage-grouse |
| Series title | Scientific Reports |
| DOI | 10.1038/s41598-023-32937-2 |
| Volume | 13 |
| Year Published | 2023 |
| Language | English |
| Publisher | Nature |
| Contributing office(s) | Western Ecological Research Center |
| Description | 10970, 12 p. |
| Country | United States |
| State | California, Nevada |
| Google Analytic Metrics | Metrics page |