Marine Protected Area · usa
San Bernard National Wildlife Refuge
- Area
- 251 km²
- IUCN cat.
- IV
- Year
- 1968
Overview
- Designation
- Marine Protected Area
- IUCN category
- IV · Aire d'habitats / espèces
Gestion active pour maintenir habitats / espèces particuliers
- Established
- 1968
- Managing authority
- U.S. Fish and Wildlife Service ; Natural Resources Conservation Service
Source : WDPA (UNEP-WCMC, World Database on Protected Areas).
Species present
956 distinct species · 158 985 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 32 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 San Bernard National Wildlife Refuge : 20 espèces reliées par 63 interactions GloBI sur 3 types (connectance 12.7%, filtre Serrano α=0.2). 12 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydrology7 basins · 15 lakes · 17 rivers
Hydrology metrics for this exact territory
Stream length here
37,8km
Lake surface here
13,93km²
Basins crossed
7
Max stream order
6
Max drainage
109 493km²
Discharge in basins
14,8m³/s
Mean precip.
1 231mm/an
Mean T°
20,6°C
Moisture idx
-0,11
Mean runoff
457mm/an
Mean elev. (basins)
15m
Watersheds crossing here
- Bassin de Gulf Intracoastal Waterwaysub-area190,5 km²overlap107.62 km²43%
- Bassin de San Bernard Riversub-area2 584,8 km²overlap53.62 km²21%
- Bassin de Brazos Riversub-area758,7 km²overlap42.33 km²17%
- Bassin de Caney Creeksub-area861,6 km²overlap37.19 km²15%
- Bassin de Live Oak Bayousub-area436,8 km²overlap7.12 km²3%
- Bassin de Chocolate Bayousub-area2 549,7 km²overlap2.41 km²1%
- Bassin de Oyster Creeksub-area253,8 km²overlap1.01 km²0%
Lakes (15, top by area)
- Cedar Lakesarea9,9 km²avg depth0.8 m
- Eagle Nest Lakearea8,2 km²avg depth2.4 m
- Lac 1067819area1 km²avg depth1.4 m
- Lac 1067813area0,9 km²avg depth1.5 m
- Lac 1067808area0,8 km²avg depth1.4 m
- Lac 1067785area0,3 km²avg depth1.9 m
- Lac 1067815area0,3 km²avg depth1.5 m
- Lac 1067829area0,3 km²avg depth0.5 m
- Lac 1067844area0,3 km²avg depth1.1 m
Rivers / streams (17, ord ≥ 4)
- Gulf Intracoastal Waterwayord 2len here11.63 km81%total14 km
- San Bernard Riverord 4len here5.30 km3%total189 km
- Gulf Intracoastal Waterwayord 1len here4.42 km33%total13 km
- Gulf Intracoastal Waterwayord 1len here2.89 km87%total3 km
- Brazos Riverord 6len here2.75 km0%total1942 km
- Cedar Creekord 2len here2.57 km34%total8 km
- Live Oak Bayouord 2len here1.99 km5%total39 km
- Varner Creekord 2len here1.98 km11%total17 km
- Briscoe Canalord 1len here1.02 km7%total14 km
- Gulf Intracoastal Waterwayord 4len here0.77 km15%total5 km
- Buffalo Creekord 1len here0.72 km13%total6 km
- Snake Creekord 4len here0.61 km1%total42 km
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
- 28.89020, -95.55280
- 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.