HydroBASINS lev08 watershed · #2080004280
Bassin de Yeşilırmak
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 13 administrative regions : Akkuş, Asarcik, Aybastı, Ayvacık, Erbaa +8
Sub-basin area
2 302,8km²
Upstream area
36 321,9km²
Discharge
184,4m³/s
Mean elev.
792m
Administrative coverage
Hydrographic chain
▼ Drains into
Outlet (drains to ocean / endorheic)
▲ Receives from 2 basins
- Bassin de Kelkit Çayı1486 km²
- Bassin de Yeşilırmak1147 km²
13 dept-equivalent regions (GADM L2)
- 411.4 km²17.8% of basin
- 363.7 km²15.8% of basin
- 355.8 km²15.4% of basin
- 295.2 km²12.8% of basin
- 280.7 km²12.2% of basin
- 251.5 km²10.9% of basin
- 166.5 km²7.2% of basin
- 68.1 km²3.0% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
422 distinct species · 1 910 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 33 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 Yeşilırmak : 24 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 80 interactions GloBI sur 4 types (connectance 15.2%, filtre Serrano α=0.2). 9 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°
10,7°C
Annual rain
615mm
Moisture idx (CMI)
-0,33
Runoff
288mm/an
PET
930mm
AET
514mm
Mean slope
14,0°
Water table
605cm
Forest
33%
Crops
32%
Urban
3%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)