HydroBASINS lev08 watershed · #1081653200
Bassin de Gcuwa River
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 : Amathole
Sub-basin area
73,3km²
Upstream area
20 195,2km²
Discharge
65,37m³/s
Mean elev.
324m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Gcuwa River1152 km²
- Bassin de Great Kei River159 km²
1 dept-equivalent regions (GADM L2)
- 73.3 km²100.0% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
45 distinct species · 76 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 15 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 Gcuwa River : 13 espèces reliées par 11 interactions GloBI sur 1 type (connectance 10.5%, 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°
18,0°C
Annual rain
850mm
Moisture idx (CMI)
-0,28
Runoff
233mm/an
PET
1 173mm
AET
722mm
Mean slope
10,3°
Water table
468cm
Forest
64%
Crops
9%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)