Ruisseau· 10 segments
Sidra
Crosses 2 administrative regions : Augustów, Sokółka
Total length
32km
Max discharge
1,5m³/s
Max Strahler
3
Segments matched
10
River geography2 admin regions · 0 communes
2 administrative regions crossed (GADM L2)
- SokółkaPodlaskie · Poland30.5 kmin this dpt
- AugustówPodlaskie · Poland0.0 kmin this dpt
5 intersecting protected areas
Ostoja Biebrzańska
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Dolina Biebrzy
IUCN Not ReportedSite of Community Importance (Habitats Directive)
Biebrzanski National Park
IUCN IIWetland of International Importance (Ramsar Site)
Biebrzański Park Narodowy
IUCN Not AssignedNational Park
Dolina Biebrzy
IUCN Not AssignedProtected Landscape Area
1 page = 1 named river (aggregation of 10 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
31 distinct species · 51 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 20 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).
Indicateurs du tissu écologique
Tissu écologique de Sidra : 19 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 19 interactions GloBI sur 4 types (connectance 10.0%, filtre Serrano α=0.2). 1 bulle taxonomique (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydrology (HydroRIVERS v10)
Total length
32km
Max discharge
1,5m³/s
Max Strahler
3
Segments matched
10
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.