Rivière
La Vieille Loire
⚠ Partial coverage : only 1 named segment matched so far. The real rivière extends much further (Strahler order 5 indicates a major river). Cross-source ingest in progress — values below reflect only the matched segment.
Crosses 1 administrative regions : Nièvre
Max discharge
144,4m³/s
Max Strahler
5
Segments matched
1
River geography1 admin regions · 7 communes
1 administrative regions crossed (GADM L2)
- NièvreBourgogne-Franche-Comté · France12.5 kmin this dpt
7 communes (L5)For countries with L5
- Decize5.77 km
- Devay4.76 km
- Charrin2.00 km
- Champvert0.00 km
- Cossaye0.00 km
- Lamenay-sur-Loire0.00 km
- Saint-Léger-des-Vignes0.00 km
7 intersecting protected areas
Val de Loire nivernais
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Val de Loire nivernais
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Loire Bourguignonne
IUCN IVRegional Nature Reserve
rnr loire bourguignonne
IUCN IVLand acquired by a regional conservatory of natural areas
ile de brain
IUCN IVLand acquired by a regional conservatory of natural areas
ile hocquet
IUCN IVLand acquired by a regional conservatory of natural areas
ile de la crevee
IUCN IVLand acquired by a regional conservatory of natural areas
1 page = 1 named river (aggregation of 1 HydroRIVERS v10 segment). Spatial join cached after first hit.
Species present
671 distinct species · 3 007 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 24 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).
Indicateurs du tissu écologique
Tissu écologique de La Vieille Loire : 21 espèces + 3 bulles famille, 34 interactions GloBI documentées sur 3 types (connectance 12.3%, filtre Serrano α=0.2). Les 3 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydrology (HydroRIVERS v10)
Matched len.
2,0km
Max discharge
144,4m³/s
Max Strahler
5
Segments matched
1
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.