Ontologia

Ruisseau

Ruisseau de l'Observatoire

Crosses 3 administrative regions : Ain, Genève, Nyon

ruisseau

Total length

1km

Max discharge

2,2m³/s

Max Strahler

2

Segments matched

1

River geography3 admin regions · 3 communes

Parent watershed

hybas-20805259201005 km²

3 administrative regions crossed (GADM L2)

  • Genève
    Genève · Switzerland
    4.0 km
    in this dpt
  • Nyon
    Vaud · Switzerland
    1.4 km
    in this dpt
  • Ain
    Auvergne-Rhône-Alpes · France
    0.0 km
    in this dpt
3 communes (L5)

13 intersecting protected areas

  • Bois de Porte, Les Dailles

    IUCN IV

    Federal Inventory of Amphibian Spawning Areas of National Importance

  • Douves

    IUCN IV

    Federal Inventory of Amphibian Spawning Areas of National Importance

  • Combes Chappuis

    IUCN IV

    Federal Inventory of Amphibian Spawning Areas of National Importance

  • Pré-Béroux

    IUCN IV

    Federal Inventory of Amphibian Spawning Areas of National Importance

  • Les Gravines

    IUCN IV

    Federal Inventory of Alluvial Zones of National Importance

  • Les Douves

    IUCN Not Assigned

    Forest Reserves

  • Les Gravines

    IUCN Not Assigned

    Forest Reserves

  • Combes Chapuis

    IUCN Not Assigned

    Forest Reserves

  • Pré-Béroux

    IUCN Not Assigned

    Forest Reserves

4 more protected areas

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

Species present

3 803 distinct species · 59 936 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 45 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 Ruisseau de l'Observatoire : 31 espèces reliées par 139 interactions GloBI sur 6 types (connectance 13.4%, filtre Serrano α=0.2). 15 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
46
Interactions affichées
139
Connectance
0.134
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

1km

Max discharge

2,2m³/s

Max Strahler

2

Segments matched

1

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