Ruisseau· 3 segments
Kvassheimsåna
Crosses 1 administrative regions : Hå
Total length
7km
Max discharge
1m³/s
Max Strahler
2
Segments matched
3
River geography1 admin regions · 0 communes
1 administrative regions crossed (GADM L2)
- HåRogaland · Norway10.2 kmin this dpt
10 intersecting protected areas
Jærstrendene
IUCN Not ReportedEmerald Network
Jærkysten
IUCN IaMarine Protected Area (OSPAR)
Jærkysten
IUCN Not ReportedMarine Protected Area
Jærstrendene
IUCN VProtected Landscape
Jaeren wetland system
IUCN IaWetland of International Importance (Ramsar Site)
Synesvarden
IUCN Not ReportedEmerald Network
Synesvarden
IUCN IVProtected Landscape
Jærstrendene
IUCN IVBotanical Conservation Area
Bjårvatnet
IUCN IaNature Reserve
1 more protected areassorted by area
Bjårvatnet
IUCN Not ReportedEmerald Network
1 page = 1 named river (aggregation of 3 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
2 687 distinct species · 124 937 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 32 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 Kvassheimsåna : 23 espèces dont 3 patrimoniales (LR IUCN CR/EN/VU) reliées par 73 interactions GloBI sur 4 types (connectance 14.7%, 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
7km
Max discharge
1,0m³/s
Max Strahler
2
Segments matched
3
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.