Ontologia

Ruisseau

Le Pichu

Crosses 2 administrative regions : Isère, Savoie

ruisseau

Total length

2km

Max discharge

0,7m³/s

Max Strahler

1

Segments matched

1

River geography2 admin regions · 11 communes

Parent watershed

hybas-2080542080306 km²

2 administrative regions crossed (GADM L2)

  • Savoie
    Auvergne-Rhône-Alpes · France
    14.4 km
    in this dpt
  • Isère
    Auvergne-Rhône-Alpes · France
    0.0 km
    in this dpt
11 communes (L5)

9 intersecting protected areas

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

Species present

2 499 distinct species · 24 118 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 40 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 Le Pichu : 25 espèces reliées par 151 interactions GloBI sur 6 types (connectance 17.5%, filtre Serrano α=0.2). 17 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
42
Interactions affichées
151
Connectance
0.175
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

2km

Max discharge

0,7m³/s

Max Strahler

1

Segments matched

1

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