HydroBASINS lev08 watershed · #2080426900
Bassin de San
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 2 administrative regions : Jarosław, Przemyśl
Sub-basin area
382,2km²
Upstream area
7 058,4km²
Discharge
53,41m³/s
Mean elev.
205m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Шкло808 km²
- Bassin de San113 km²
2 dept-equivalent regions (GADM L2)
- Jarosław380.8 km²99.3% of basin
- 2.7 km²0.7% of basin
6 intersecting protected areas
Sieniawski Obszar Chronionego Krajobrazu
IUCN Not AssignedProtected Landscape Area
30.16 km² overlap
Ostoja Przemyska
IUCN Not ReportedSite of Community Importance (Habitats Directive)
5.54 km² overlap
Pogórze Przemyskie
IUCN Not ReportedSpecial Protection Area (Birds Directive)
5.54 km² overlap
Przemysko-Dynowski Obszar Chronionego Krajobrazu
IUCN Not AssignedProtected Landscape Area
5.43 km² overlap
Dolina Dolnego Sanu
IUCN Not ReportedSite of Community Importance (Habitats Directive)
2.20 km² overlap
Rzeka San
IUCN Not ReportedSite of Community Importance (Habitats Directive)
0.70 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
735 distinct species · 2 726 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 30 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 San : 19 espèces reliées par 126 interactions GloBI sur 6 types (connectance 23.9%, filtre Serrano α=0.2). 14 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°
7,9°C
Annual rain
615mm
Moisture idx (CMI)
-0,18
Runoff
189mm/an
PET
750mm
AET
522mm
Mean slope
1,2°
Water table
93cm
Forest
6%
Crops
56%
Urban
12%
Protected
9%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)