HydroBASINS lev08 watershed · #2080003990
Bassin de Sarmısak Çayı
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 4 administrative regions : Boyabat, Dikmen, Gerze, Merkez
Sub-basin area
355,9km²
Upstream area
355,9km²
Discharge
0,07m³/s
Mean elev.
665m
Species present
111 distinct species · 277 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 28 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 Sarmısak Çayı : 22 espèces reliées par 45 interactions GloBI sur 4 types (connectance 11.9%, filtre Serrano α=0.2). 6 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°
11,0°C
Annual rain
633mm
Moisture idx (CMI)
-0,25
Runoff
298mm/an
PET
840mm
AET
533mm
Mean slope
14,1°
Water table
540cm
Forest
42%
Crops
28%
Urban
3%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)