HydroBASINS lev08 watershed · #2080635360
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 3 administrative regions : Almus, Niksar, Reşadiye
Sub-basin area
420km²
Upstream area
1 918km²
Discharge
11,97m³/s
Mean elev.
1 203m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de HES Kanalı847 km²
- Bassin de Tozanlı Çayı650 km²
3 dept-equivalent regions (GADM L2)
- 312.8 km²74.4% of basin
- 73.2 km²17.4% of basin
- 34.5 km²8.2% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
82 distinct species · 251 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 24 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 : 14 espèces reliées par 55 interactions GloBI sur 4 types (connectance 19.9%, 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°
9,0°C
Annual rain
499mm
Moisture idx (CMI)
-0,49
Runoff
186mm/an
PET
987mm
AET
428mm
Mean slope
14,3°
Water table
718cm
Forest
43%
Crops
17%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)