HydroBASINS lev08 watershed · #7080047460
Bassin de Bayou Penchant
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 3 administrative regions : Assumption, Saint Mary, Terrebonne
Sub-basin area
547,3km²
Upstream area
547,3km²
Discharge
11,91m³/s
Mean elev.
3m
Administrative coverage
3 dept-equivalent regions (GADM L2)
- 457.1 km²83.6% of basin
- 64.0 km²11.7% of basin
- 25.6 km²4.7% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
447 distinct species · 8 156 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 39 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 Bayou Penchant : 26 espèces reliées par 78 interactions GloBI sur 3 types (connectance 10.5%, 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).
Hydroclimate (BasinATLAS lev08)
Mean T°
20,3°C
Annual rain
1 623mm
Moisture idx (CMI)
0,16
Runoff
755mm/an
PET
1 368mm
AET
1 256mm
Mean slope
0,1°
Water table
6cm
Forest
71%
Crops
7%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)