Ruisseau
Rów B-13a
Crosses 2 administrative regions : Gdańsk, Gdańsk (City)
Total length
1km
Max discharge
1m³/s
Max Strahler
2
Segments matched
1
River geography2 admin regions · 0 communes
2 administrative regions crossed (GADM L2)
- Gdańsk (City)Pomorskie · Poland4.0 kmin this dpt
- GdańskPomorskie · Poland2.8 kmin this dpt
7 intersecting protected areas
Żuław Gdańskich
IUCN Not AssignedProtected Landscape Area
Wyspy Sobieszewskiej
IUCN Not AssignedProtected Landscape Area
Ujscie Wisly
IUCN Not ReportedBaltic Sea Protected Area (HELCOM)
Vistula River Mouth
IUCN IVWetland of International Importance (Ramsar Site)
Ujście Wisły
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Ostoja w Ujściu Wisły
IUCN Not ReportedSite of Community Importance (Habitats Directive)
Ptasi Raj
IUCN IVNature Reserve
1 page = 1 named river (aggregation of 1 HydroRIVERS v10 segment). Spatial join cached after first hit.
Species present
399 distinct species · 2 928 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 31 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 Rów B-13a : 24 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 81 interactions GloBI sur 4 types (connectance 16.3%, filtre Serrano α=0.2). 8 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydrology (HydroRIVERS v10)
Total length
1km
Max discharge
1,0m³/s
Max Strahler
2
Segments matched
1
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.