HydroBASINS lev08 watershed · #6080005880
Bassin de Rivière Kourouaï
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 : Ouanary, Régina (-Kaw), Saint-Georges (de l'Oyapock)
Sub-basin area
2 361,3km²
Upstream area
2 361,3km²
Discharge
0,38m³/s
Mean elev.
40m
Administrative coverage
3 dept-equivalent regions (GADM L2)
- 1342.9 km²57.1% of basin
- 957.1 km²40.7% of basin
- 24.8 km²1.1% of basin
6 intersecting protected areas
Guyane
IUCN VRegional Nature Park
960.28 km² overlap
Montagne D\'Argent
IUCN IVLand acquired by Conservatoire du Littoral (national seaside and lakeside conservancy)
7.14 km² overlap
Marais De Kaw-Roura
IUCN IVNational Nature Reserve
5.64 km² overlap
Marais De Kaw
IUCN IVWetland of International Importance (Ramsar Site)
0.32 km² overlap
Ile Du Grand-Connétable
IUCN IVNational Nature Reserve
0.31 km² overlap
Île du Grand Connétable
IUCN Not ReportedSpecially Protected Area (Cartagena Convention)
0.31 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
2 048 distinct species · 9 215 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 30 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 Rivière Kourouaï : 28 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 27 interactions GloBI sur 2 types (connectance 6.2%, filtre Serrano α=0.2). 2 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°
25,8°C
Annual rain
3 636mm
Moisture idx (CMI)
0,56
Runoff
2 129mm/an
PET
1 585mm
AET
1 441mm
Mean slope
2,9°
Water table
84cm
Forest
97%
Crops
0%
Urban
0%
Protected
41%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)