Ruisseau
Hältorpsån
Crosses 2 administrative regions : Ale, Göteborg
Total length
5km
Max discharge
0,5m³/s
Max Strahler
1
Segments matched
1
River geography2 admin regions · 0 communes
2 administrative regions crossed (GADM L2)
7 intersecting protected areas
2000406 Vättlefjäll
IUCN VNature Reserve
Vättlefjäll
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Vättlefjäll
IUCN VNatura 2000 SPA
2005516 Rished
IUCN IaNature Reserve
SK 23-2011
IUCN IaHabitat Protection Area
SK 224-2010
IUCN IaHabitat Protection Area
SK 214-2010
IUCN IaHabitat Protection Area
1 page = 1 named river (aggregation of 1 HydroRIVERS v10 segment). Spatial join cached after first hit.
Species present
1 074 distinct species · 8 785 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 36 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 Hältorpsån : 26 espèces reliées par 81 interactions GloBI sur 6 types (connectance 12.9%, 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
5km
Max discharge
0,5m³/s
Max Strahler
1
Segments matched
1
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.