HydroBASINS lev08 watershed · #7080731450
Bassin de Pecan Bayou
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 2 administrative regions : Brown, Mills
Sub-basin area
820,2km²
Upstream area
4 849,3km²
Discharge
5,78m³/s
Mean elev.
449m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Pecan Bayou2006 km²
- Bassin de Jim Ned Creek495 km²
2 dept-equivalent regions (GADM L2)
- Brown722.4 km²88.1% of basin
- Mills97.2 km²11.9% of basin
1 intersecting protected areas
Wildlife Management Area
7.87 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
1 575 distinct species · 21 275 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 37 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 Pecan Bayou : 28 espèces reliées par 77 interactions GloBI sur 3 types (connectance 11.6%, filtre Serrano α=0.2). 9 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°
18,0°C
Annual rain
705mm
Moisture idx (CMI)
-0,53
Runoff
52mm/an
PET
1 493mm
AET
597mm
Mean slope
1,5°
Water table
280cm
Forest
5%
Crops
23%
Urban
3%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)