HydroBASINS lev08 watershed · #4081157390
Bassin de Kimbulwana Oya
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 2 administrative regions : Ganewatta, Mahawa
Sub-basin area
1,3km²
Upstream area
1 165,1km²
Discharge
27,1m³/s
Mean elev.
69m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Deduru Oya616 km²
- Bassin de Kimbulwana Oya548 km²
2 dept-equivalent regions (GADM L2)
- 0.9 km²68.5% of basin
- 0.4 km²31.5% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
103 distinct species · 233 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 Kimbulwana Oya : 33 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 32 interactions GloBI sur 4 types (connectance 4.6%, filtre Serrano α=0.2). 5 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°
27,5°C
Annual rain
1 526mm
Moisture idx (CMI)
-0,05
Runoff
672mm/an
PET
1 611mm
AET
1 200mm
Mean slope
0,5°
Water table
2cm
Forest
0%
Crops
55%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)