Ontologia

Rivière· 4 segments

La Dranse

Crosses 1 administrative regions : Haute-Savoie

rivière

Total length

19km

Max discharge

16m³/s

Max Strahler

4

Segments matched

4

River geography1 admin regions · 12 communes

Parent watershed

hybas-2080520910573 km²

1 administrative regions crossed (GADM L2)

  • Haute-Savoie
    Auvergne-Rhône-Alpes · France
    21.9 km
    in this dpt
12 communes (L5)

9 intersecting protected areas

  • Impluvium d'Evian

    IUCN Not Reported

    Wetland of International Importance (Ramsar Site)

  • Rives du Lac Léman

    IUCN Not Reported

    Wetland of International Importance (Ramsar Site)

  • Lac Léman

    IUCN Not Reported

    Special Protection Area (Birds Directive)

  • Lac Léman

    IUCN Not Reported

    Special Areas of Conservation (Habitats Directive)

  • Delta de la Dranse

    IUCN Not Reported

    Special Protection Area (Birds Directive)

  • Delta de la Dranse

    IUCN Not Reported

    Special Areas of Conservation (Habitats Directive)

  • Delta De La Dranse

    IUCN IV

    National Nature Reserve

  • Le miroir

    IUCN IV

    Land acquired by Conservatoire du Littoral (national seaside and lakeside conservancy)

  • Estuaire de la dranse

    IUCN IV

    Land acquired by Conservatoire du Littoral (national seaside and lakeside conservancy)

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

Species present

1 828 distinct species · 45 674 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 33 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 La Dranse : 29 espèces reliées par 97 interactions GloBI sur 4 types (connectance 18.4%, filtre Serrano α=0.2). 4 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
33
Interactions affichées
97
Connectance
0.184
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

19km

Max discharge

16,0m³/s

Max Strahler

4

Segments matched

4

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