Ontologia

Rivière· 8 segments

Le Vrin

Crosses 1 administrative regions : Yonne

rivière

Total length

42km

Max discharge

68,7m³/s

Max Strahler

5

Segments matched

8

River geography1 admin regions · 14 communes

Parent watershed

hybas-2080476950973 km²

1 administrative regions crossed (GADM L2)

  • Yonne
    Bourgogne-Franche-Comté · France
    30.9 km
    in this dpt
14 communes (L5)

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

Species present

600 distinct species · 1 794 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 32 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 Vrin : 27 espèces reliées par 62 interactions GloBI sur 5 types (connectance 12.5%, filtre Serrano α=0.2). 5 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
32
Interactions affichées
62
Connectance
0.125
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

42km

Max discharge

68,7m³/s

Max Strahler

5

Segments matched

8

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