HydroBASINS lev08 watershed · #7080049220
Bassin · #7080049220
A watershed (drainage basin) is not a body of water — it is the land area where rainfall converges towards a single river that eventually reaches the sea (or an endorheic basin). Boundaries follow ridgelines.
Crosses 1 administrative regions : Cameron
Sub-basin area
194km²
Upstream area
194km²
Discharge
0,34m³/s
Mean elev.
5m
Administrative coverage
1 dept-equivalent regions (GADM L2)
- Cameron160.1 km²82.7% of basin
6 intersecting protected areas
Laguna Atascosa
IUCN IVNational Wildlife Refuge
56.62 km² overlap
Marine Protected Area
48.77 km² overlap
Lower Rio Grande Valley
IUCN IVNational Wildlife Refuge
3.48 km² overlap
Marine Protected Area
2.94 km² overlap
Reserve Program
2.17 km² overlap
Three Islands
IUCN VAudubon Society Preserve or Sanctuary
0.88 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
2 505 distinct species · 770 082 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 29 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 Bassin · #7080049220 : 17 espèces reliées par 61 interactions GloBI sur 3 types (connectance 15.0%, 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).
Hydroclimate (BasinATLAS lev08)
Mean T°
22,8°C
Annual rain
685mm
Moisture idx (CMI)
-0,49
Runoff
68mm/an
PET
1 333mm
AET
580mm
Mean slope
0,2°
Water table
27cm
Forest
16%
Crops
37%
Urban
3%
Protected
45%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)