HydroBASINS lev08 watershed · #2080003770
Bassin de Çatalzeytin 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 13 administrative regions : Abana, Ayancık, Azdavay, Bozkurt, Cide +8
Sub-basin area
2 519,2km²
Upstream area
2 519,2km²
Discharge
0,55m³/s
Mean elev.
748m
Administrative coverage
13 dept-equivalent regions (GADM L2)
- 412.7 km²16.4% of basin
- 373.5 km²14.8% of basin
- 332.5 km²13.2% of basin
- 297.6 km²11.8% of basin
- 285.8 km²11.3% of basin
- 283.6 km²11.2% of basin
- 133.7 km²5.3% of basin
- 111.5 km²4.4% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
425 distinct species · 1 417 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 Çatalzeytin Çayı : 21 espèces reliées par 71 interactions GloBI sur 3 types (connectance 17.5%, filtre Serrano α=0.2). 8 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°
10,2°C
Annual rain
780mm
Moisture idx (CMI)
-0,09
Runoff
400mm/an
PET
857mm
AET
607mm
Mean slope
17,2°
Water table
594cm
Forest
82%
Crops
5%
Urban
1%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)