Ruisseau· 8 segments
Gulczanka
Crosses 1 administrative regions : Czarnków-Trzcianka
Total length
27km
Max discharge
0,6m³/s
Max Strahler
2
Segments matched
8
River geography1 admin regions · 0 communes
1 administrative regions crossed (GADM L2)
- Czarnków-TrzciankaWielkopolskie · Poland27.8 kmin this dpt
6 intersecting protected areas
Puszcza Notecka
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Dolina Noteci
IUCN Not AssignedProtected Landscape Area
Puszcza Notecka
IUCN Not AssignedProtected Landscape Area
Dolina Noteci
IUCN Not ReportedSite of Community Importance (Habitats Directive)
Nadnoteckie Łęgi
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Wilcze Błoto
IUCN IVNature Reserve
1 page = 1 named river (aggregation of 8 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
148 distinct species · 240 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 Gulczanka : 17 espèces reliées par 102 interactions GloBI sur 6 types (connectance 19.3%, filtre Serrano α=0.2). 16 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
27km
Max discharge
0,6m³/s
Max Strahler
2
Segments matched
8
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.