HydroBASINS lev08 watershed · #2080373690
Bassin de Ner
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 : Koło
Sub-basin area
2,8km²
Upstream area
11 819,3km²
Discharge
50,17m³/s
Mean elev.
91m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Ner2203 km²
- Bassin de Warta1766 km²
1 dept-equivalent regions (GADM L2)
- Koło2.8 km²100.0% of basin
1 intersecting protected areas
Dolina Środkowej Warty
IUCN Not ReportedSpecial Protection Area (Birds Directive)
2.35 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
431 distinct species · 3 293 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 26 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 Ner : 18 espèces reliées par 55 interactions GloBI sur 6 types (connectance 15.7%, 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°
8,6°C
Annual rain
516mm
Moisture idx (CMI)
-0,33
Runoff
114mm/an
PET
772mm
AET
442mm
Mean slope
0,4°
Water table
21cm
Forest
0%
Crops
54%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)