Ruisseau· 7 segments
Szkwa
Crosses 3 administrative regions : Ostrołęka, Szczytno, Łomża
Total length
55km
Max discharge
2,7m³/s
Max Strahler
3
Segments matched
7
River geography3 admin regions · 0 communes
3 administrative regions crossed (GADM L2)
5 intersecting protected areas
Puszcza Piska
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Równiny Kurpiowskiej i Doliny Dolnej Narwi
IUCN Not AssignedProtected Landscape Area
Dolina Dolnej Narwi
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Ostoja Narwiańska
IUCN Not ReportedSite of Community Importance (Habitats Directive)
Myszynieckie Bory Sasankowe
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
1 page = 1 named river (aggregation of 7 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
77 distinct species · 104 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 26 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 Szkwa : 20 espèces reliées par 63 interactions GloBI sur 5 types (connectance 19.4%, filtre Serrano α=0.2). 6 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
55km
Max discharge
2,7m³/s
Max Strahler
3
Segments matched
7
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.