HydroBASINS lev08 watershed · #7080047490
Bassin de Cross 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 1 administrative regions : Saint Mary
Sub-basin area
245,8km²
Upstream area
245,8km²
Discharge
5,72m³/s
Mean elev.
2m
Administrative coverage
1 dept-equivalent regions (GADM L2)
- 219.8 km²89.5% of basin
1 intersecting protected areas
Marine Protected Area
58.81 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
362 distinct species · 7 920 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 38 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 Cross Bayou : 24 espèces reliées par 80 interactions GloBI sur 3 types (connectance 10.8%, filtre Serrano α=0.2). 15 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°
20,2°C
Annual rain
1 605mm
Moisture idx (CMI)
0,16
Runoff
749mm/an
PET
1 348mm
AET
1 243mm
Mean slope
0,1°
Water table
3cm
Forest
98%
Crops
6%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)