Ontologia

Ruisseau· 4 segments

Prądzona

Crosses 2 administrative regions : Bytów, Chojnice

ruisseau

Total length

15km

Max discharge

1,8m³/s

Max Strahler

2

Segments matched

4

River geography2 admin regions · 0 communes

Parent watershed

hybas-2080332660266 km²

2 administrative regions crossed (GADM L2)

  • Bytów
    Pomorskie · Poland
    26.7 km
    in this dpt
  • Chojnice
    Pomorskie · Poland
    0.6 km
    in this dpt

6 intersecting protected areas

1 page = 1 named river (aggregation of 4 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

310 distinct species · 4 145 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 40 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

Indicateurs du tissu écologique

Tissu écologique de Prądzona : 32 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 70 interactions GloBI sur 7 types (connectance 8.5%, filtre Serrano α=0.2). 9 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
41
Interactions affichées
70
Connectance
0.085
Patrimoniales
2
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)

Total length

15km

Max discharge

1,8m³/s

Max Strahler

2

Segments matched

4

HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.