HydroBASINS lev08 watershed · #2080628420
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 5 administrative regions : Erbaa, Ladik, Merkez, Suluova, Taşova
Sub-basin area
1 146,9km²
Upstream area
22 638km²
Discharge
84,49m³/s
Mean elev.
858m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Tersakan Çayı2664 km²
- Bassin de Yeşilırmak523 km²
5 dept-equivalent regions (GADM L2)
- 668.1 km²58.2% of basin
- 433.1 km²37.7% of basin
- 21.0 km²1.8% of basin
- 13.1 km²1.1% of basin
- 13.0 km²1.1% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
358 distinct species · 753 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 29 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 : 21 espèces reliées par 72 interactions GloBI sur 6 types (connectance 15.5%, 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°
10,7°C
Annual rain
508mm
Moisture idx (CMI)
-0,49
Runoff
159mm/an
PET
1 005mm
AET
435mm
Mean slope
13,8°
Water table
671cm
Forest
25%
Crops
30%
Urban
1%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)