HydroBASINS lev08 watershed · #1080975120
Bassin de Menchum
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 : Mezam, Momo
Sub-basin area
817,6km²
Upstream area
817,7km²
Discharge
30,52m³/s
Mean elev.
1 377m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
2 dept-equivalent regions (GADM L2)
- 568.1 km²69.8% of basin
- 246.0 km²30.2% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
1 370 distinct species · 6 389 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 27 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 Menchum : 25 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 26 interactions GloBI sur 2 types (connectance 7.4%, 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°
20,8°C
Annual rain
2 175mm
Moisture idx (CMI)
0,30
Runoff
1 142mm/an
PET
1 519mm
AET
1 139mm
Mean slope
8,4°
Water table
281cm
Forest
68%
Crops
50%
Urban
18%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)