Ontologia

Rivière· 9 segments

Ätran

Crosses 1 administrative regions : Svenljunga

rivière

Total length

29km

Max discharge

44,3m³/s

Max Strahler

5

Segments matched

9

River geography1 admin regions · 0 communes

Parent watershed

hybas-208027295067 km²

1 administrative regions crossed (GADM L2)

  • Svenljunga
    Västra Götaland · Sweden
    26.6 km
    in this dpt

3 intersecting protected areas

1 page = 1 named river (aggregation of 9 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

1 006 distinct species · 9 927 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 30 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 Ätran : 20 espèces reliées par 87 interactions GloBI sur 5 types (connectance 15.5%, filtre Serrano α=0.2). 14 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
34
Interactions affichées
87
Connectance
0.155
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

29km

Max discharge

44,3m³/s

Max Strahler

5

Segments matched

9

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