FISH_NON_NATIVE_POLY is a geospatial dataset from the Department of the Interior indicating the presence or absence of non-native fish within National Hydrography Dataset (NHD) waterbody features. The dataset was last updated on 2026-04-14 and is available via an ArcGIS REST API and multiple file formats. It is published under a US public domain (us-pd) license.
Use Cases
- Mapping the distribution of non-native fish species based on presence/absence data.
- Modeling habitat suitability for invasive aquatic species based on waterbody features.
- Assessing the potential ecological impact of non-native fish on native biodiversity.
- Supporting conservation planning and invasive species management strategies.
Strengths
- Dataset is published by the authoritative Department of the Interior.
- Data is available in multiple formats including GeoJSON, CSV, and via an ArcGIS REST API.
- Last update timestamp is precisely recorded as 2026-04-14 16:47:10.912778.
Limitations
- Description metadata is limited; actual data quality requires manual inspection after download.
- Column-level documentation is absent; field semantics must be inferred after download.
- Row count and spatial/temporal coverage details are unknown, which may limit suitability assessment.
Provenance
- Source
- Department of the Interior
- Collection Method
- Likely compiled from field surveys or agency monitoring programs.
- Time Range
- null
- Freshness
- Last updated 2026-04-14 16:47:10.912778; freshness should be verified.
- Geography
- Likely focuses on Oregon (OR) based on the dataset title abbreviation.