HydroBASINS lev08 watershed · #7080568030
Bassin de Big Creek
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 : Lincoln, Saint Charles, Warren
Sub-basin area
456,2km²
Upstream area
456,2km²
Discharge
3,23m³/s
Mean elev.
205m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
3 dept-equivalent regions (GADM L2)
- Warren203.3 km²44.5% of basin
- Lincoln144.6 km²31.7% of basin
- Saint Charles108.7 km²23.8% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
919 distinct species · 20 634 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 41 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 Big Creek : 30 espèces reliées par 97 interactions GloBI sur 4 types (connectance 11.8%, 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°
12,3°C
Annual rain
962mm
Moisture idx (CMI)
-0,18
Runoff
223mm/an
PET
1 173mm
AET
813mm
Mean slope
1,6°
Water table
102cm
Forest
37%
Crops
44%
Urban
8%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)