Ruisseau· 2 segments
Askerelva
Crosses 2 administrative regions : Asker, Bærum
Total length
5km
Max discharge
0,8m³/s
Max Strahler
2
Segments matched
2
River geography2 admin regions · 0 communes
2 administrative regions crossed (GADM L2)
13 intersecting protected areas
Skaugumåsen, Semsvannet og Hagahogget
IUCN Not ReportedEmerald Network
Semsvannet
IUCN VProtected Landscape
Furuåsen og Hagahogget
IUCN IaNature Reserve
Nordre Skaugumsåsen
IUCN IaNature Reserve
Skaugumsåsen og Åstad
IUCN IaNature Reserve
Løkeneshalvøya
IUCN VProtected Landscape
Vassmyråsen
IUCN IaNature Reserve
Løkenesskogen
IUCN IaNature Reserve
Spirodden
IUCN IaNature Reserve
4 more protected areassorted by area
Tuemyr
IUCN IaNature Reserve
Rogneskjær
IUCN IVWildlife Conservation Area
Kråkholmen
IUCN IVWildlife Conservation Area
Asker prestegård
IUCN Not ReportedNatural Monument
1 page = 1 named river (aggregation of 2 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
6 056 distinct species · 60 006 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 41 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 Askerelva : 29 espèces reliées par 116 interactions GloBI sur 7 types (connectance 12.8%, filtre Serrano α=0.2). 14 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
5km
Max discharge
0,8m³/s
Max Strahler
2
Segments matched
2
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.