Ontologia

Ruisseau

Hålldammsbäcken

Crosses 3 administrative regions : Ale, Göteborg, Kungälv

ruisseau

Total length

6km

Max discharge

0,4m³/s

Max Strahler

1

Segments matched

1

River geography3 admin regions · 0 communes

Parent watershed

hybas-2080033320949 km²

3 administrative regions crossed (GADM L2)

  • Ale
    Västra Götaland · Sweden
    7.0 km
    in this dpt
  • Kungälv
    Västra Götaland · Sweden
    0.4 km
    in this dpt
  • Göteborg
    Västra Götaland · Sweden
    0.0 km
    in this dpt

13 intersecting protected areas

4 more protected areas

  • SK 24-2011

    IUCN Ia

    Habitat Protection Area

  • SK 224-2010

    IUCN Ia

    Habitat Protection Area

  • SK 204-2010

    IUCN IV

    Nature conservation agreement, Swedish Forest Agency

  • SK 205-2010

    IUCN IV

    Nature conservation agreement, Swedish Forest Agency

1 page = 1 named river (aggregation of 1 HydroRIVERS v10 segment). Spatial join cached after first hit.

Species present

2 359 distinct species · 81 329 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).

RègnesAnimalPlanteChampignonBacterie
RelationsPredationParasitismeSymbiosePollinisation
StatutEn dangerVulnérableProtégéeEndémique

Indicateurs du tissu écologique

Tissu écologique de Hålldammsbäcken : 28 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 86 interactions GloBI sur 6 types (connectance 12.2%, filtre Serrano α=0.2). 10 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
38
Interactions affichées
86
Connectance
0.122
Patrimoniales
1
Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Hydrology (HydroRIVERS v10)

Total length

6km

Max discharge

0,4m³/s

Max Strahler

1

Segments matched

1

HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.