Rivière· 38 segments
Biebrza
Crosses 6 administrative regions : Augustów, Grajewo, Hrodna, Mońki, Sokółka +1
Total length
185km
Max discharge
37,5m³/s
Max Strahler
5
Segments matched
38
River geography6 admin regions · 0 communes
6 administrative regions crossed (GADM L2)
8 intersecting protected areas
Ostoja Biebrzańska
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Puszcza Augustowska
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Dolina Biebrzy
IUCN Not ReportedSite of Community Importance (Habitats Directive)
Ostoja Augustowska
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
Źródliska Wzgórz Sokólskich
IUCN Not ReportedSite of Community Importance (Habitats Directive)
1 page = 1 named river (aggregation of 38 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
192 distinct species · 397 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 39 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 Biebrza : 32 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 74 interactions GloBI sur 4 types (connectance 9.0%, filtre Serrano α=0.2). 9 bulles taxonomiques (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
185km
Max discharge
37,5m³/s
Max Strahler
5
Segments matched
38
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.