Ontologia

Ruisseau· 12 segments

Toczna

Crosses 3 administrative regions : Siedlce, Siemiatycze, Łosice

ruisseau

Total length

50km

Max discharge

1,3m³/s

Max Strahler

3

Segments matched

12

River geography3 admin regions · 0 communes

Parent watershed

hybas-2080368010329 km²

3 administrative regions crossed (GADM L2)

  • Łosice
    Mazowieckie · Poland
    34.3 km
    in this dpt
  • Siedlce
    Mazowieckie · Poland
    8.9 km
    in this dpt
  • Siemiatycze
    Podlaskie · Poland
    0.2 km
    in this dpt

7 intersecting protected areas

1 page = 1 named river (aggregation of 12 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

226 distinct species · 337 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 38 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 Toczna : 27 espèces reliées par 130 interactions GloBI sur 5 types (connectance 16.7%, filtre Serrano α=0.2). 13 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
40
Interactions affichées
130
Connectance
0.167
Patrimoniales
0
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

50km

Max discharge

1,3m³/s

Max Strahler

3

Segments matched

12

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