Rivière· 3 segments
Gårdaån
Crosses 3 administrative regions : Ale, Kungälv, Lilla Edet
Total length
6km
Max discharge
598,5m³/s
Max Strahler
6
Segments matched
3
River geography3 admin regions · 0 communes
3 administrative regions crossed (GADM L2)
- Lilla EdetVästra Götaland · Sweden8.8 kmin this dpt
- KungälvVästra Götaland · Sweden4.1 kmin this dpt
- AleVästra Götaland · Sweden0.2 kmin this dpt
1 page = 1 named river (aggregation of 3 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
1 238 distinct species · 12 056 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).
Indicateurs du tissu écologique
Tissu écologique de Gårdaån : 25 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 116 interactions GloBI sur 4 types (connectance 18.4%, filtre Serrano α=0.2). 11 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydrology (HydroRIVERS v10)
Total length
6km
Max discharge
598,5m³/s
Max Strahler
6
Segments matched
3
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.