Rivière· 26 segments
Salaca
Crosses 2 administrative regions : Limbaži, Valmiera
Total length
98km
Max discharge
37,9m³/s
Max Strahler
4
Segments matched
26
River geography2 admin regions · 0 communes
2 administrative regions crossed (GADM L2)
28 intersecting protected areas
Biosphere Reserve
Northern Bogs
IUCN VIWetland of International Importance (Ramsar Site)
Ziemeļu purvi
IUCN IVNature Reserve
Ziemeļu purvi
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Ziemeļu purvi
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Salacas ieleja
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Salacas ieleja
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Salacas ieleja
IUCN IINature Park
Lielpurvs
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
19 more protected areassorted by area
Lielpurvs
IUCN IVNature Reserve
Dzērves purvs
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Dzērves purvs
IUCN IVNature Reserve
Salacas upes meži
IUCN IVNature Reserve
Ungurpils meži
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Ungurpils meži
IUCN IVNature Reserve
Karateri
IUCN IVNature Reserve
Dauģēnu klintis un alas
IUCN IIINature Monument
Pietraga Sarkanās klintis
IUCN IIINature Monument
Nature Monument
Dzelveskalna atsegumi un alas
IUCN IIINature Monument
Neļķu klintis un alas
IUCN IIINature Monument
Skaņaiskalns
IUCN IIINature Monument
Govs ala un avots
IUCN IIINature Monument
Staiceles dzelzsavoti
IUCN IIINature Monument
Silmaču iezis un alas
IUCN IIINature Monument
Mazsalacas Parka ielas aleja
IUCN IIINature Monument
Mērnieku bērzu aleja
IUCN IIINature Monument
Vīksnu alas
IUCN IIINature Monument
1 page = 1 named river (aggregation of 26 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
171 distinct species · 1 170 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 27 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 Salaca : 20 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 47 interactions GloBI sur 4 types (connectance 12.4%, filtre Serrano α=0.2). 8 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
98km
Max discharge
37,9m³/s
Max Strahler
4
Segments matched
26
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.