HydroBASINS lev08 watershed · #2080617710
Bassin de İstavloz 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 5 administrative regions : Alaçam, Gümüşhacıköy, Havza, Merzifon, Vezirköprü
Sub-basin area
1 188,7km²
Upstream area
1 188,7km²
Discharge
5,86m³/s
Mean elev.
832m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
5 dept-equivalent regions (GADM L2)
- 609.5 km²51.2% of basin
- 390.5 km²32.8% of basin
- 109.7 km²9.2% of basin
- 79.7 km²6.7% of basin
- 0.9 km²0.1% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
90 distinct species · 132 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 32 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 İstavloz Çayı : 28 espèces reliées par 64 interactions GloBI sur 5 types (connectance 12.1%, filtre Serrano α=0.2). 5 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°
10,6°C
Annual rain
500mm
Moisture idx (CMI)
-0,47
Runoff
158mm/an
PET
950mm
AET
429mm
Mean slope
9,4°
Water table
673cm
Forest
15%
Crops
64%
Urban
1%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)