HydroBASINS lev08 watershed · #2080003410
Bassin de Kurbağalı Dere
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 : Adalar, Atasehir, Beykoz, Gebze, Kadıköy +8
Sub-basin area
554,5km²
Upstream area
554,5km²
Discharge
6,72m³/s
Mean elev.
97m
Administrative coverage
13 dept-equivalent regions (GADM L2)
- 156.2 km²28.1% of basin
- 51.2 km²9.2% of basin
- 47.9 km²8.6% of basin
- 44.8 km²8.1% of basin
- 41.6 km²7.5% of basin
- 38.7 km²7.0% of basin
- 32.9 km²5.9% of basin
- 29.8 km²5.4% of basin
5 moreFull L2 list
- Atasehir23.1 km² · 4.2%
- Üsküdar21.5 km² · 3.9%
- Çekmekoy17.6 km² · 3.2%
- Adalar12.8 km² · 2.3%
- Sancaktepe4.8 km² · 0.9%
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
1 775 distinct species · 108 775 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 27 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 Kurbağalı Dere : 17 espèces reliées par 67 interactions GloBI sur 2 types (connectance 16.5%, filtre Serrano α=0.2). 12 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°
14,0°C
Annual rain
774mm
Moisture idx (CMI)
-0,19
Runoff
432mm/an
PET
958mm
AET
582mm
Mean slope
4,3°
Water table
251cm
Forest
8%
Crops
5%
Urban
91%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)