HydroBASINS lev08 watershed · #1080665040
Bassin de Nianija Bolon
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 : Koungheul
Sub-basin area
335,8km²
Upstream area
335,8km²
Discharge
0,29m³/s
Mean elev.
44m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
2 intersecting protected areas
Foret de Maka Yop-ouest
IUCN Not ReportedForest Reserve
127.53 km² overlap
Foret de Maka Yop-est
IUCN Not ReportedForest Reserve
23.99 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
149 distinct species · 1 442 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 29 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 Nianija Bolon : 23 espèces reliées par 34 interactions GloBI sur 4 types (connectance 7.8%, filtre Serrano α=0.2). 7 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°
27,4°C
Annual rain
665mm
Moisture idx (CMI)
-0,68
Runoff
28mm/an
PET
2 086mm
AET
560mm
Mean slope
0,4°
Water table
93cm
Forest
0%
Crops
12%
Urban
0%
Protected
45%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)