National Wildlife Refuge · USA
Lower Rio Grande Valley
- Area
- 94 km²
- IUCN cat.
- V
- Year
- 1997
Overview
- Designation
- National Wildlife Refuge
- IUCN category
- V · Paysage protégé
Paysage façonné par l'humain digne de conservation
- Established
- 1997
- Managing authority
- U.S. Fish and Wildlife Service ; Non-Governmental Organization
Source : WDPA (UNEP-WCMC, World Database on Protected Areas).
Species present
283 distinct species · 4 319 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 35 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 Lower Rio Grande Valley : 23 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 99 interactions GloBI sur 5 types (connectance 15.7%, filtre Serrano α=0.2). 13 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 · 0 lakes · 6 rivers
Hydrology metrics for this exact territory
Stream length here
20,8km
Basins crossed
7
Max stream order
6
Max drainage
40 953km²
Discharge in basins
132,6m³/s
Mean precip.
1 103mm/an
Mean T°
18,9°C
Moisture idx
-0,19
Max snow
1%
Mean runoff
324mm/an
Mean elev. (basins)
9m
Watersheds crossing here
- Bassin de West Main Drainsub-area3 143,5 km²overlap27.77 km²30%
- Bassin de Bull Creeksub-area124,5 km²overlap26.38 km²28%
- Bassin de Waccamaw Riversub-area1 347,8 km²overlap17.60 km²19%
- Bassin de Waccamaw Riversub-area370,7 km²overlap15.62 km²17%
- Bassin de Socastee Swampsub-area238,2 km²overlap2.50 km²3%
- Bassin de Waccamaw Riversub-area46,7 km²overlap2.32 km²2%
- Bassin de Great Pee Dee Riversub-area287,1 km²overlap1.83 km²2%
Rivers / streams (6, ord ≥ 4)
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
- 26.58419, -97.72060
- 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.