HydroBASINS lev08 watershed · #2080398030
Bassin de Iłżanka
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 7 administrative regions : Lipsko, Ostrowiec, Radom, Skarżysko, Starachowice +2
Sub-basin area
1 126,9km²
Upstream area
1 126,9km²
Discharge
5,01m³/s
Mean elev.
185m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
7 dept-equivalent regions (GADM L2)
- 502.1 km²44.4% of basin
- Lipsko256.2 km²22.6% of basin
- Zwoleń169.4 km²15.0% of basin
- Starachowice141.0 km²12.5% of basin
- Szydłowiec47.0 km²4.2% of basin
- 12.5 km²1.1% of basin
- 2.9 km²0.3% of basin
18 intersecting protected areas
Iłża-Makowiec
IUCN Not AssignedProtected Landscape Area
174.76 km² overlap
Doliny Kamiennej
IUCN Not AssignedProtected Landscape Area
144.39 km² overlap
Lasy Przysusko – Szydłowieckie
IUCN Not AssignedProtected Landscape Area
33.93 km² overlap
Uroczyska Lasów Starachowickich
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
20.46 km² overlap
Solec nad Wisłą
IUCN Not AssignedProtected Landscape Area
9.96 km² overlap
Pakosław
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
6.69 km² overlap
Ostoja Kozienicka
IUCN Not ReportedSpecial Protection Area (Birds Directive)
6.51 km² overlap
Puszcza Kozienicka
IUCN Not ReportedSite of Community Importance (Habitats Directive)
4.40 km² overlap
Landscape Park
4.15 km² overlap
9 more protected areassorted by overlap area
Zapadnie Doły
IUCN Not AssignedNature Reserve
1.21 km² overlap
Ługi Helenowskie
IUCN IVNature Reserve
0.42 km² overlap
Przełom Wisły w Małopolsce
IUCN Not ReportedSite of Community Importance (Habitats Directive)
0.40 km² overlap
Małopolski Przełom Wisły
IUCN Not ReportedSpecial Protection Area (Birds Directive)
0.40 km² overlap
Dąbrowa Polańska
IUCN IVNature Reserve
0.29 km² overlap
Miodne
IUCN IVNature Reserve
0.20 km² overlap
Sieradowicki
IUCN Not AssignedProtected Landscape Area
0.09 km² overlap
Dolina rzeki Zwolenki
IUCN Not AssignedProtected Landscape Area
0.09 km² overlap
Piotrowe Pole
IUCN IVNature Reserve
0.02 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
1 413 distinct species · 5 960 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 43 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 Iłżanka : 36 espèces reliées par 99 interactions GloBI sur 4 types (connectance 11.0%, filtre Serrano α=0.2). 7 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°
7,6°C
Annual rain
560mm
Moisture idx (CMI)
-0,24
Runoff
139mm/an
PET
740mm
AET
478mm
Mean slope
0,9°
Water table
107cm
Forest
21%
Crops
50%
Urban
2%
Protected
17%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)