Guam, brown treesnake (Boiga irregularis) capture and removal probability data and eradication and suppression model, October 2016 - July 2024
Lack of population response forecasting methods can be especially challenging for eradication planning, because managers must infer eradication based on anticipated population changes and absence of detection, especially for snakes which tend not to fit conventional models. For the brown treesnake (Boiga irregularis), we used population responses to control, including fecundity and growth, to measure capture probability based on tool, season, forest type, survey structure, snake size, snake density, and prey counts. Using species and context dependent capture probabilities, we built a simple eradication and suppression planning tool in an Excel workbook that is customized to evaluate whether planned removal actions are likely to result in eradication or suppression sufficient to support native species recovery. We used standardized mathematical approaches for estimating eradication probability based on approach, application intensity, and coverage area. This data release consists of (1) a model application file in EXCEL (Eradication, Suppression, and Surveillance v1.xlsx), (2) a README file with instructions for model use (README_ Brown Treesnake ESS Model.txt), (3) three CSV data files (NWFN_Cap_TRAP.csv, NWFN_Cap_VIS.csv, and NWFN_VIS_TRAP_Cap_Prob.csv), and an appendix (Appendix 1. Brown treesnake ESS Model.txt).
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Complete Metadata
| accessLevel | public |
|---|---|
| bureauCode |
[ "010:12" ] |
| contactPoint |
{ "fn": "Melia G Nafus", "@type": "vcard:Contact", "hasEmail": "mailto:mnafus@usgs.gov" } |
| description | Lack of population response forecasting methods can be especially challenging for eradication planning, because managers must infer eradication based on anticipated population changes and absence of detection, especially for snakes which tend not to fit conventional models. For the brown treesnake (Boiga irregularis), we used population responses to control, including fecundity and growth, to measure capture probability based on tool, season, forest type, survey structure, snake size, snake density, and prey counts. Using species and context dependent capture probabilities, we built a simple eradication and suppression planning tool in an Excel workbook that is customized to evaluate whether planned removal actions are likely to result in eradication or suppression sufficient to support native species recovery. We used standardized mathematical approaches for estimating eradication probability based on approach, application intensity, and coverage area. This data release consists of (1) a model application file in EXCEL (Eradication, Suppression, and Surveillance v1.xlsx), (2) a README file with instructions for model use (README_ Brown Treesnake ESS Model.txt), (3) three CSV data files (NWFN_Cap_TRAP.csv, NWFN_Cap_VIS.csv, and NWFN_VIS_TRAP_Cap_Prob.csv), and an appendix (Appendix 1. Brown treesnake ESS Model.txt). |
| distribution |
[ { "@type": "dcat:Distribution", "title": "Digital Data", "format": "XML", "accessURL": "https://doi.org/10.5066/P1RMFUK3", "mediaType": "application/http", "description": "Landing page for access to the data" }, { "@type": "dcat:Distribution", "title": "Original Metadata", "format": "XML", "mediaType": "text/xml", "description": "The metadata original format", "downloadURL": "https://data.usgs.gov/datacatalog/metadata/USGS.6a5e72c21ba49b0907937edb.xml" } ] |
| identifier | http://datainventory.doi.gov/id/dataset/USGS_6a5e72c21ba49b0907937edb |
| keyword |
[ "Eradication", "Guam", "Mariana Islands", "Suppression", "Surveillance", "USGS:6a5e72c21ba49b0907937edb", "biota" ] |
| modified | 2026-09-16T00:00:00Z |
| publisher |
{ "name": "U.S. Geological Survey", "@type": "org:Organization" } |
| spatial | 144.6103, 13.2212, 144.9934, 13.6593 |
| theme |
[ "geospatial" ] |
| title | Guam, brown treesnake (Boiga irregularis) capture and removal probability data and eradication and suppression model, October 2016 - July 2024 |
