Ontologia

Rivière· 4 segments

Gavleån

Crosses 2 administrative regions : Gävle, Sandviken

rivière

Total length

26km

Max discharge

18,2m³/s

Max Strahler

4

Segments matched

4

River geography2 admin regions · 0 communes

Parent watershed

hybas-20800314702011 km²

2 administrative regions crossed (GADM L2)

  • Gävle
    Gävleborg · Sweden
    22.3 km
    in this dpt
  • Sandviken
    Gävleborg · Sweden
    0.0 km
    in this dpt

8 intersecting protected areas

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

Species present

338 distinct species · 941 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 Gavleån : 28 espèces reliées par 91 interactions GloBI sur 6 types (connectance 10.6%, filtre Serrano α=0.2). 14 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
42
Interactions affichées
91
Connectance
0.106
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

26km

Max discharge

18,2m³/s

Max Strahler

4

Segments matched

4

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