HydroBASINS lev08 watershed · #2080409410
Bassin de Sanna
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 : Janów Lubelski, Kraśnik, Sandomierz, Stalowa Wola
Sub-basin area
621,9km²
Upstream area
621,9km²
Discharge
2,67m³/s
Mean elev.
221m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
4 dept-equivalent regions (GADM L2)
- 337.1 km²54.0% of basin
- 189.3 km²30.3% of basin
- Stalowa Wola97.8 km²15.7% of basin
- Sandomierz0.0 km²0.0% of basin
14 intersecting protected areas
Lasy Janowskie
IUCN Not ReportedSpecial Protection Area (Birds Directive)
47.70 km² overlap
Roztoczański (woj.lubelskie)
IUCN Not AssignedProtected Landscape Area
41.68 km² overlap
Kraśnicki Obszar Chronionego Krajobrazu
IUCN Not AssignedProtected Landscape Area
33.44 km² overlap
Uroczyska Lasów Janowskich
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
15.69 km² overlap
Landscape Park
14.41 km² overlap
Gościeradów
IUCN Not ReportedSite of Community Importance (Habitats Directive)
11.24 km² overlap
Szczecyn
IUCN Not ReportedSite of Community Importance (Habitats Directive)
9.33 km² overlap
Polichna
IUCN Not ReportedSite of Community Importance (Habitats Directive)
3.37 km² overlap
Przełom Wisły w Małopolsce
IUCN Not ReportedSite of Community Importance (Habitats Directive)
2.16 km² overlap
5 more protected areassorted by overlap area
Doły Szczeckie
IUCN IVNature Reserve
2.03 km² overlap
Marynopole
IUCN IVNature Reserve
1.57 km² overlap
Dąbrowa koło Zaklikowa
IUCN Not ReportedSite of Community Importance (Habitats Directive)
0.05 km² overlap
Wisła pod Zawichostem
IUCN Not AssignedNature Reserve
0.05 km² overlap
Wisła pod Zawichostem
IUCN Not AssignedNature Reserve
0.00 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
1 818 distinct species · 13 412 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 37 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 Sanna : 29 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 84 interactions GloBI sur 6 types (connectance 11.9%, 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°
7,6°C
Annual rain
565mm
Moisture idx (CMI)
-0,24
Runoff
133mm/an
PET
745mm
AET
481mm
Mean slope
1,5°
Water table
243cm
Forest
16%
Crops
62%
Urban
1%
Protected
3%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)