HydroBASINS lev08 watershed · #2080711050
Bassin de Seyhan
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 : Karataş, Seyhan, Tarsus, Yüreğir
Sub-basin area
626,6km²
Upstream area
19 984,8km²
Discharge
124,61m³/s
Mean elev.
49m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Seyhan2429 km²
- Bassin de Körkün Çayı58 km²
4 dept-equivalent regions (GADM L2)
- 348.5 km²55.6% of basin
- 216.3 km²34.5% of basin
- 52.9 km²8.4% of basin
- 9.2 km²1.5% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
673 distinct species · 16 031 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 Seyhan : 24 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 76 interactions GloBI sur 3 types (connectance 14.4%, filtre Serrano α=0.2). 9 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°
19,0°C
Annual rain
696mm
Moisture idx (CMI)
-0,46
Runoff
295mm/an
PET
1 291mm
AET
586mm
Mean slope
0,9°
Water table
70cm
Forest
4%
Crops
58%
Urban
19%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)