Rivière· 11 segments

Sanna

Crosses 6 administrative regions : Janów Lubelski, Kraśnik, Opatów, Sandomierz, Stalowa Wola +1

rivière

Total length

78km

Max discharge

412,9m³/s

Max Strahler

Segments matched

River geography6 admin regions · 0 communes

Parent watershed

hybas-2080409410622 km²

6 administrative regions crossed (GADM L2)

Janów Lubelski
Lubelskie · Poland
32.9 km
in this dpt
Stalowa Wola
Podkarpackie · Poland
20.0 km
in this dpt
Kraśnik
Lubelskie · Poland
18.4 km
in this dpt
Tarnobrzeg
Podkarpackie · Poland
4.4 km
in this dpt
Opatów
Świętokrzyskie · Poland
0.0 km
in this dpt
Sandomierz
Świętokrzyskie · Poland
0.0 km
in this dpt

10 intersecting protected areas

Lasy Janowskie
IUCN Not Reported
Special Protection Area (Birds Directive)
Park Krajobrazowy Lasy Janowskie
IUCN V
Landscape Park
Uroczyska Lasów Janowskich
IUCN Not Reported
Special Areas of Conservation (Habitats Directive)
Roztoczański (woj.lubelskie)
IUCN Not Assigned
Protected Landscape Area
Przełom Wisły w Małopolsce
IUCN Not Reported
Site of Community Importance (Habitats Directive)
Dolina Dolnego Sanu
IUCN Not Reported
Site of Community Importance (Habitats Directive)
Małopolski Przełom Wisły
IUCN Not Reported
Special Protection Area (Birds Directive)
Gościeradów
IUCN Not Reported
Site of Community Importance (Habitats Directive)
Wisła pod Zawichostem
IUCN Not Assigned
Nature Reserve

1 more protected areassorted by area

Dąbrowa koło Zaklikowa
IUCN Not Reported
Site of Community Importance (Habitats Directive)

1 page = 1 named river (aggregation of 11 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

137 distinct species · 234 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 32 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).

RègnesAnimalPlanteChampignonBacterie

RelationsPredationParasitismeSymbiosePollinisation

StatutEn dangerVulnérableProtégéeEndémique

RègnesAnimalPlanteChampignonBacterie

RelationsPredationParasitismeSymbiosePollinisation

StatutEn dangerVulnérableProtégéeEndémique

Indicateurs du tissu écologique

Tissu écologique de Sanna : 28 espèces reliées par 36 interactions GloBI sur 6 types (connectance 6.8%, filtre Serrano α=0.2). 5 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées

Interactions affichées

Connectance

0.068

Patrimoniales

Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Hydrology (HydroRIVERS v10)