HydroBASINS lev08 watershed · #1080018130
Bassin · #1080018130
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 : Tombwa
Sub-basin area
515,1km²
Upstream area
515,1km²
Discharge
0m³/s
Mean elev.
156m
Administrative coverage
1 intersecting protected areas
Iona National Park
IUCN IINational Park
492.60 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
54 distinct species · 98 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 · #1080018130 : 14 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) + 1 bulle famille, 9 interactions GloBI documentées sur 2 types (connectance 8.6%, filtre Serrano α=0.2). Les 1 bulle regroupe des espèces visuellement absorbées par famille (≥3 espèces visibles).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydroclimate (BasinATLAS lev08)
Mean T°
19,2°C
Annual rain
39mm
Moisture idx (CMI)
-0,97
Runoff
8mm/an
PET
1 159mm
AET
40mm
Mean slope
1,8°
Water table
1 231cm
Forest
0%
Crops
0%
Urban
0%
Protected
89%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)