Ontologia

Ruisseau· 6 segments

Okrzejka

Crosses 4 administrative regions : Garwolin, Kozienice, Ryki, Łuków

ruisseau

Total length

74km

Max discharge

2m³/s

Max Strahler

3

Segments matched

6

River geography4 admin regions · 0 communes

Parent watershed

hybas-2080383990457 km²

4 administrative regions crossed (GADM L2)

  • Garwolin
    Mazowieckie · Poland
    31.2 km
    in this dpt
  • Ryki
    Lubelskie · Poland
    22.4 km
    in this dpt
  • Łuków
    Lubelskie · Poland
    5.1 km
    in this dpt
  • Kozienice
    Mazowieckie · Poland
    0.3 km
    in this dpt

2 intersecting protected areas

1 page = 1 named river (aggregation of 6 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

110 distinct species · 182 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 15 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 Okrzejka : 11 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 27 interactions GloBI sur 2 types (connectance 22.5%, filtre Serrano α=0.2). 5 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
16
Interactions affichées
27
Connectance
0.225
Patrimoniales
1
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

74km

Max discharge

2,0m³/s

Max Strahler

3

Segments matched

6

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