HydroBASINS lev08 watershed · #8080020490
Bassin de Seknak River
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 1 administrative regions : Nome
Sub-basin area
899,7km²
Upstream area
899,7km²
Discharge
2,75m³/s
Mean elev.
21m
Administrative coverage
1 dept-equivalent regions (GADM L2)
- 730.1 km²80.6% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
30 distinct species · 182 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 17 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 Seknak River : 14 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 18 interactions GloBI sur 2 types (connectance 13.2%, filtre Serrano α=0.2). 3 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°
-3,6°C
Annual rain
431mm
Moisture idx (CMI)
0,35
Runoff
390mm/an
PET
279mm
AET
239mm
Mean slope
1,9°
Water table
24cm
Forest
0%
Crops
0%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)