HydroBASINS lev08 watershed · #5080042060
Bassin de Oriomo 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 : South Fly
Sub-basin area
1 250,5km²
Upstream area
1 250,5km²
Discharge
46,81m³/s
Mean elev.
40m
Administrative coverage
1 dept-equivalent regions (GADM L2)
- 1243.6 km²99.9% of basin
1 intersecting protected areas
Maza
IUCN Not ReportedWildlife Management Area
0.01 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
465 distinct species · 2 118 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 23 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 Oriomo River : 16 espèces reliées par 35 interactions GloBI sur 3 types (connectance 10.8%, filtre Serrano α=0.2). 10 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°
26,5°C
Annual rain
2 081mm
Moisture idx (CMI)
0,28
Runoff
1 030mm/an
PET
1 499mm
AET
1 320mm
Mean slope
1,1°
Water table
30cm
Forest
63%
Crops
6%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)