First records distribution models to guide biosurveillance for non-native species
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Abstract
Quickly locating new populations of non-native species can reduce the ecological and economic costs of species invasions. However, the difficulty of predicting which new non-native species will establish, and where, has limited active post-border biosurveillance efforts. Because pathways of introduction underlie spatial patterns of establishment risk, an intuitive approach is to search for new non-native species in areas where many non-native species have first been detected in the past. We formalize this intuition via first records distribution models (FRDMs), which apply species distribution modeling methods to the collection of first occurrence records across species (i.e. one record per species). We define FRDMs as statistical models that quantify environmental conditions associated with species' first naturalized records to predict spatial patterns of establishment risk. We model the first records of non-native plants in the conterminous USA as a proof-of-concept. The novelty of FRDMs is that their inferences apply not just to the species that contributed data; they provide a rigorous framework for predicting hotspots of invasion for new non-native taxa that share a pathway of introduction with the modeled species. FRDMs can guide survey efforts for new non-native taxa at multiple scales and across ecosystems.
Study Area
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | First records distribution models to guide biosurveillance for non-native species |
| Series title | Ecography |
| DOI | 10.1111/ecog.07522 |
| Volume | 2025 |
| Issue | 4 |
| Publication Date | December 16, 2024 |
| Year Published | 2025 |
| Language | English |
| Publisher | Nordic Society Oikos |
| Contributing office(s) | Fort Collins Science Center, Pacific Island Ecosystems Research Center |
| Description | e07522, 10 p. |
| Country | United States |
| Other Geospatial | conterminous United States |