HydroBASINS lev08 watershed · #7080047030
Bassin de Pass a Loutre
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 : Plaquemines
Sub-basin area
777,3km²
Upstream area
777,3km²
Discharge
5,75m³/s
Mean elev.
0m
Administrative coverage
1 dept-equivalent regions (GADM L2)
- 566.3 km²72.9% of basin
4 intersecting protected areas
Marine Protected Area
193.89 km² overlap
Marine Protected Area
2.30 km² overlap
Breton
IUCN IVNational Wildlife Refuge
1.22 km² overlap
National Wildlife Refuge
0.94 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
586 distinct species · 13 297 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 Pass a Loutre : 29 espèces reliées par 72 interactions GloBI sur 4 types (connectance 8.4%, 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°
20,6°C
Annual rain
1 469mm
Moisture idx (CMI)
0,18
Runoff
685mm/an
PET
1 210mm
AET
1 091mm
Mean slope
0,0°
Water table
2cm
Forest
23%
Crops
2%
Urban
0%
Protected
57%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)