The relative contributions of habitat area, configuration, and vegetative diversity on snake and lizard presence in agricultural landscapes
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Abstract
Nearly one in five reptile species is at risk of extinction. Changes in habitat area, its configuration, and vegetation diversity could affect habitat use, but their relative importance is understudied. We assessed how these factors affected reptile presence in agricultural landscapes figure in Iowa, United States, using 695 cover boards visited 16,441 times in 2015–2020. Species-wise encounter rates ranged 0.0001–0.012. Eight of 11 species and 54.2% of individuals were species of greatest conservation need. Habitat area, configuration, and vegetation diversity influenced reptile presence similarly. Mean patch occupancy was 0.18 for common garter snake (CG, Thamnophis sirtalis) and 0.45 for all snakes (AS). Naïve presence was explained by effort (odds ratio [OR]AS = 1.83, ORCG = 1.79), vegetation diversity (ORAS = 1.28, ORCG = 1.28), woody cover (ORAS = 1.24, ORCG = 1.41), and patch size (ORAS = 1.30). Large patch prairies were more likely to contain snakes than other conservation practices (𝑟̂encounter = 0.291), and more likely to contain CG (0.098) than prairie contour strips (0.031), waterways (0.018), grass contour strips (0.016), or terraces (0.015). While we documented low overall reptile presence, their higher presence in large prairie patches underscores the importance of core nature reserves for reptile conservation.
Study Area
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | The relative contributions of habitat area, configuration, and vegetative diversity on snake and lizard presence in agricultural landscapes |
| Series title | Conservation Science and Practice |
| DOI | 10.1111/csp2.13100 |
| Volume | 6 |
| Issue | 4 |
| Year Published | 2024 |
| Language | English |
| Publisher | Society for Conservation Biology |
| Contributing office(s) | Coop Res Unit Leetown |
| Description | e13100, 16 p. |
| Country | United States |
| State | Iowa |
| Google Analytic Metrics | Metrics page |