HydroBASINS lev08 watershed · #6080140320
Bassin de l'Approuague
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 : Camopi, Régina (-Kaw), Saint-Georges (de l'Oyapock)
Sub-basin area
953,7km²
Upstream area
3 114,5km²
Discharge
122,9m³/s
Mean elev.
132m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de l'Approuague1539 km²
- Bassin de Crique Sapokaye622 km²
3 dept-equivalent regions (GADM L2)
- 917.5 km²96.6% of basin
- 19.1 km²2.0% of basin
- 12.9 km²1.4% of basin
1 intersecting protected areas
Guyane (Parc Amazonien)
IUCN IINational Park - Core Area
19.72 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
223 distinct species · 901 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 23 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 l'Approuague : 17 espèces reliées par 29 interactions GloBI sur 2 types (connectance 7.7%, 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°
25,2°C
Annual rain
2 783mm
Moisture idx (CMI)
0,42
Runoff
1 398mm/an
PET
1 607mm
AET
1 421mm
Mean slope
4,0°
Water table
78cm
Forest
100%
Crops
0%
Urban
0%
Protected
2%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)