HydroBASINS lev08 watershed · #1080803030
Bassin de ዓባይ ወንዝ / Abay
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 3 administrative regions : Horo Guduru, Mirab Gojjam, Misraq Gojjam
Sub-basin area
525,1km²
Upstream area
95 794,8km²
Discharge
991,75m³/s
Mean elev.
1 484m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de ዓባይ ወንዝ / Abay1399 km²
- Bassin de Birr105 km²
3 dept-equivalent regions (GADM L2)
- 432.6 km²82.7% of basin
- 90.3 km²17.3% of basin
- 0.1 km²0.0% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
124 distinct species · 273 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 16 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 ዓባይ ወንዝ / Abay : 12 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 13 interactions GloBI sur 3 types (connectance 10.8%, filtre Serrano α=0.2). 4 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°
20,7°C
Annual rain
1 393mm
Moisture idx (CMI)
-0,21
Runoff
395mm/an
PET
1 784mm
AET
957mm
Mean slope
12,4°
Water table
589cm
Forest
5%
Crops
5%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)