HydroBASINS lev08 watershed · #7080047780
Bassin de Calcasieu Pass
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
118,6km²
Upstream area
118,6km²
Discharge
1,14m³/s
Mean elev.
3m
Administrative coverage
1 dept-equivalent regions (GADM L2)
- 110.9 km²93.7% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
816 distinct species · 152 016 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 Bassin de Calcasieu Pass : 24 espèces reliées par 48 interactions GloBI sur 3 types (connectance 9.7%, filtre Serrano α=0.2). 8 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°
20,1°C
Annual rain
1 451mm
Moisture idx (CMI)
0,11
Runoff
666mm/an
PET
1 285mm
AET
1 132mm
Mean slope
0,1°
Water table
5cm
Forest
30%
Crops
10%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)