Ontologia

Rivière· 64 segments

L'Yonne

Crosses 4 administrative regions : Nièvre, Saône-et-Loire, Seine-et-Marne, Yonne

rivière

Total length

296km

Max discharge

82,3m³/s

Max Strahler

5

Segments matched

64

River geography4 admin regions · 134 communes

Parent watershed

hybas-20804830305208 km²

4 administrative regions crossed (GADM L2)

  • Yonne
    Bourgogne-Franche-Comté · France
    161.1 km
    in this dpt
  • Nièvre
    Bourgogne-Franche-Comté · France
    83.8 km
    in this dpt
  • Seine-et-Marne
    Île-de-France · France
    10.8 km
    in this dpt
  • Saône-et-Loire
    Bourgogne-Franche-Comté · France
    0.0 km
    in this dpt
134 communes (L5)

24 intersecting protected areas

15 more protected areas

1 page = 1 named river (aggregation of 64 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

828 distinct species · 6 991 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 28 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 L'Yonne : 23 espèces + 5 bulles famille, 52 interactions GloBI documentées sur 5 types (connectance 13.8%, filtre Serrano α=0.2). Les 5 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).

Espèces affichées
28
Interactions affichées
52
Connectance
0.138
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

296km

Max discharge

82,3m³/s

Max Strahler

5

Segments matched

64

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