Rivière· 2 segments
Kvillen
Crosses 2 administrative regions : Göteborg, Kungälv
Total length
16km
Max discharge
603,5m³/s
Max Strahler
6
Segments matched
2
River geography2 admin regions · 0 communes
2 administrative regions crossed (GADM L2)
10 intersecting protected areas
Nordre älvs estuarium
IUCN VWetland of International Importance (Ramsar Site)
Nordre älvs estuarium
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Nordre älvs estuarium
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Nordre älvs estuarium
IUCN VNatura 2000 SPA
Nordre älvs estuarium
IUCN VNatura 2000 SCI
Nordre älvs estuarium
IUCN Not ReportedMarine Protected Area (OSPAR)
Nature Reserve
2041711 Öxnäs
IUCN VNature Reserve
Öxnäs
IUCN VNatura 2000 SCI
1 more protected areassorted by area
Öxnäs
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
1 page = 1 named river (aggregation of 2 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
2 539 distinct species · 125 226 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 29 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 Kvillen : 20 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 67 interactions GloBI sur 3 types (connectance 15.4%, filtre Serrano α=0.2). 10 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
16km
Max discharge
603,5m³/s
Max Strahler
6
Segments matched
2
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.