Rivière· 33 segments

Wierzyca

Crosses 4 administrative regions : Kościerzyna, Kwidzyn, Starogard, Tczew

rivière

Total length

179km

Max discharge

27m³/s

Max Strahler

Segments matched

River geography4 admin regions · 0 communes

Parent watershed

hybas-20803301501166 km²

4 administrative regions crossed (GADM L2)

Kościerzyna
Pomorskie · Poland
69.1 km
in this dpt
Starogard
Pomorskie · Poland
53.8 km
in this dpt
Tczew
Pomorskie · Poland
37.1 km
in this dpt
Kwidzyn
Pomorskie · Poland
0.1 km
in this dpt

18 intersecting protected areas

Bory Tucholskie
IUCN Not Reported
Special Protection Area (Birds Directive)
Borów Tucholskich
IUCN Not Assigned
Protected Landscape Area
Dolina Dolnej Wisły
IUCN Not Reported
Special Protection Area (Birds Directive)
Wdzydzki Park Krajobrazowy
IUCN V
Landscape Park
Jeziora Wdzydzkie
IUCN Not Reported
Site of Community Importance (Habitats Directive)
Doliny Wierzycy
IUCN Not Assigned
Protected Landscape Area
Dolna Wisła
IUCN Not Reported
Site of Community Importance (Habitats Directive)
Nadwiślański (woj. pomorskie)
IUCN Not Assigned
Protected Landscape Area
Dolina Wierzycy
IUCN Not Reported
Site of Community Importance (Habitats Directive)

9 more protected areassorted by area

Polaszkowski
IUCN Not Assigned
Protected Landscape Area
Gniewski
IUCN Not Assigned
Protected Landscape Area
Doliny Kwidzyńskiej
IUCN Not Assigned
Protected Landscape Area
Dąbrówka
IUCN Not Reported
Site of Community Importance (Habitats Directive)
Jezioro Krąg
IUCN Not Reported
Special Areas of Conservation (Habitats Directive)
Grądy nad Jeziorami Zduńskim i Szpęgawskim
IUCN Not Reported
Site of Community Importance (Habitats Directive)
Brzęczek
IUCN IV
Nature Reserve
Leniec nad Wierzycą
IUCN Not Reported
Special Areas of Conservation (Habitats Directive)
Mechowisko Krąg
IUCN Not Assigned
Nature Reserve

1 page = 1 named river (aggregation of 33 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

41 distinct species · 102 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 18 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 Wierzyca : 15 espèces reliées par 21 interactions GloBI sur 5 types (connectance 13.7%, filtre Serrano α=0.2). 3 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées

Interactions affichées

Connectance

0.137

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)