Ontologia

Ruisseau· 2 segments

Kolån

Crosses 1 administrative regions : Mellerud

ruisseau

Total length

9km

Max discharge

3,2m³/s

Max Strahler

2

Segments matched

2

River geography1 admin regions · 0 communes

Parent watershed

hybas-2080255070863 km²

1 administrative regions crossed (GADM L2)

  • Mellerud
    Västra Götaland · Sweden
    24.5 km
    in this dpt

11 intersecting protected areas

2 more protected areas

  • SK 141-2006

    IUCN Ia

    Habitat Protection Area

  • SK 325-2001

    IUCN IV

    Nature conservation agreement, Swedish Forest Agency

1 page = 1 named river (aggregation of 2 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

1 263 distinct species · 8 104 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 34 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 Kolån : 27 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 90 interactions GloBI sur 6 types (connectance 14.3%, filtre Serrano α=0.2). 9 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
36
Interactions affichées
90
Connectance
0.143
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

9km

Max discharge

3,2m³/s

Max Strahler

2

Segments matched

2

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