Ontologia

Ruisseau· 4 segments

Silån

Crosses 1 administrative regions : Götene

ruisseau

Total length

11km

Max discharge

1,8m³/s

Max Strahler

3

Segments matched

4

River geography1 admin regions · 0 communes

Parent watershed

hybas-20802517603214 km²

1 administrative regions crossed (GADM L2)

  • Götene
    Västra Götaland · Sweden
    16.5 km
    in this dpt

12 intersecting protected areas

3 more protected areas

  • Hälledal

    IUCN Not Reported

    Special Areas of Conservation (Habitats Directive)

  • Hälledal

    IUCN Not Assigned

    Natura 2000 SCI

  • SK 573-2003

    IUCN IV

    Nature conservation agreement, Swedish Forest Agency

1 page = 1 named river (aggregation of 4 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

5 072 distinct species · 53 097 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 42 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 Silån : 31 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 93 interactions GloBI sur 5 types (connectance 10.8%, filtre Serrano α=0.2). 11 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
42
Interactions affichées
93
Connectance
0.108
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

11km

Max discharge

1,8m³/s

Max Strahler

3

Segments matched

4

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