Ontologia

Rivière· 8 segments

Dora di Valgrisenche

Crosses 2 administrative regions : Aosta, Savoie

rivière

Total length

23km

Max discharge

17,8m³/s

Max Strahler

4

Segments matched

8

River geography2 admin regions · 1 communes

Parent watershed

hybas-20805368301024 km²

2 administrative regions crossed (GADM L2)

  • Aosta
    Valle d'Aosta · Italy
    28.4 km
    in this dpt
  • Savoie
    Auvergne-Rhône-Alpes · France
    0.0 km
    in this dpt
1 communes (L5)

3 intersecting protected areas

1 page = 1 named river (aggregation of 8 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

461 distinct species · 1 307 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 26 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 Dora di Valgrisenche : 13 espèces reliées par 79 interactions GloBI sur 5 types (connectance 14.1%, filtre Serrano α=0.2). 21 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
34
Interactions affichées
79
Connectance
0.141
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

23km

Max discharge

17,8m³/s

Max Strahler

4

Segments matched

8

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