HydroBASINS lev08 watershed · #2080633470
Bassin de Berçin 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 : Gerede, Kızılcahamam, Çamlıdere, Çerkeş
Sub-basin area
407,7km²
Upstream area
407,7km²
Discharge
2,92m³/s
Mean elev.
1 448m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
4 dept-equivalent regions (GADM L2)
- 230.6 km²56.5% of basin
- 92.8 km²22.7% of basin
- 46.4 km²11.4% of basin
- 38.4 km²9.4% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
466 distinct species · 3 460 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 31 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 Berçin Çayı : 23 espèces reliées par 74 interactions GloBI sur 4 types (connectance 15.9%, 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°
7,7°C
Annual rain
713mm
Moisture idx (CMI)
-0,18
Runoff
226mm/an
PET
880mm
AET
574mm
Mean slope
10,8°
Water table
582cm
Forest
55%
Crops
19%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)