HydroBASINS lev08 watershed · #7080759100
Bassin de Chicot 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 4 administrative regions : Iberia, Iberville, Saint Martin, Saint Mary
Sub-basin area
499,5km²
Upstream area
2 638km²
Discharge
57,97m³/s
Mean elev.
9m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Big Island Chute223 km²
- Bassin de Atchafalaya River140 km²
4 dept-equivalent regions (GADM L2)
- 289.8 km²58.1% of basin
- 161.7 km²32.4% of basin
- 33.0 km²6.6% of basin
- 14.4 km²2.9% of basin
1 intersecting protected areas
Private Conservation Land
9.26 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
421 distinct species · 4 609 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 42 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 Chicot Pass : 31 espèces reliées par 73 interactions GloBI sur 4 types (connectance 8.5%, filtre Serrano α=0.2). 11 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°
19,6°C
Annual rain
1 519mm
Moisture idx (CMI)
0,08
Runoff
739mm/an
PET
1 395mm
AET
1 188mm
Mean slope
0,3°
Water table
14cm
Forest
95%
Crops
2%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)