Ontologia

Ruisseau· 3 segments

Lerdalsälven

Crosses 3 administrative regions : Dals-Ed, Färgelanda, Munkedal

ruisseau

Total length

24km

Max discharge

0,9m³/s

Max Strahler

2

Segments matched

3

River geography3 admin regions · 0 communes

Parent watershed

hybas-20800334001352 km²

3 administrative regions crossed (GADM L2)

  • Färgelanda
    Västra Götaland · Sweden
    10.6 km
    in this dpt
  • Munkedal
    Västra Götaland · Sweden
    4.2 km
    in this dpt
  • Dals-Ed
    Västra Götaland · Sweden
    0.0 km
    in this dpt

2 intersecting protected areas

  • Nature conservation agreement, Swedish Forest Agency

  • Nature conservation agreement, Swedish Forest Agency

1 page = 1 named river (aggregation of 3 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

533 distinct species · 1 108 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).

RègnesAnimalPlanteChampignonBacterie
RelationsPredationParasitismeSymbiosePollinisation
StatutEn dangerVulnérableProtégéeEndémique

Indicateurs du tissu écologique

Tissu écologique de Lerdalsälven : 29 espèces reliées par 99 interactions GloBI sur 6 types (connectance 11.5%, filtre Serrano α=0.2). 13 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
42
Interactions affichées
99
Connectance
0.115
Patrimoniales
0
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

24km

Max discharge

0,9m³/s

Max Strahler

2

Segments matched

3

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