Ontologia

Ruisseau· 10 segments

Jegrznia

Crosses 3 administrative regions : Augustów, Grajewo, Mońki

ruisseau

Total length

30km

Max discharge

5,2m³/s

Max Strahler

3

Segments matched

10

River geography3 admin regions · 0 communes

Parent watershed

hybas-20803394201180 km²

3 administrative regions crossed (GADM L2)

  • Grajewo
    Podlaskie · Poland
    27.9 km
    in this dpt
  • Augustów
    Podlaskie · Poland
    15.7 km
    in this dpt
  • Mońki
    Podlaskie · Poland
    8.1 km
    in this dpt

5 intersecting protected areas

1 page = 1 named river (aggregation of 10 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

432 distinct species · 1 060 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 42 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 Jegrznia : 32 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 87 interactions GloBI sur 4 types (connectance 9.6%, filtre Serrano α=0.2). 11 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
43
Interactions affichées
87
Connectance
0.096
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

30km

Max discharge

5,2m³/s

Max Strahler

3

Segments matched

10

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