National Wildlife Refuge · usa
Breton
- Area
- 49 km²
- IUCN cat.
- IV
- Year
- 1904
Overview
- Designation
- National Wildlife Refuge
- IUCN category
- IV · Aire d'habitats / espèces
Gestion active pour maintenir habitats / espèces particuliers
- Established
- 1904
- Managing authority
- U.S. Fish and Wildlife Service
Source : WDPA (UNEP-WCMC, World Database on Protected Areas).
Species present
156 distinct species · 1 025 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 33 species (selected proportionally per kingdom among those with at least one documented interaction here) to keep the graph readable. Hover for details, click to explore the full ecosystem of a species.
ℹ️ The territory contains many more species than displayed and all their documented interactions: the graph is intentionally the structural skeleton (top-N species by composite local score, edges filtered by Serrano 2009 disparity filter α=0.2).
Indicateurs du tissu écologique
Tissu écologique de Breton : 28 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 49 interactions GloBI sur 2 types (connectance 9.3%, filtre Serrano α=0.2). 5 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydrology2 basins · 0 lakes · 0 rivers
Hydrology metrics for this exact territory
Basins crossed
2
Max drainage
777km²
Discharge in basins
0,2m³/s
Mean precip.
1 532mm/an
Mean T°
20,0°C
Moisture idx
0,15
Max snow
1%
Mean runoff
686mm/an
Mean elev. (basins)
1m
Watersheds crossing here
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Location
Fond cartographique : OpenFreeMap · © OpenStreetMap contributors · Géométrie : nos sources (GADM/HydroBASINS/HydroLAKES/HydroRIVERS/WDPA)
- Centroid
- 29.49600, -89.17211
- Open in maps
- OpenStreetMap → · Satellite →
Species observed (Phase 2)
Listing species observed within this protected area requires the GBIF v2 partition × WDPA spatial overlay matview. Computing infrastructure pending.