Ontologia

Rivière· 63 segments

Le Cher

Crosses 7 administrative regions : Allier, Cher, Creuse, Indre, Indre-et-Loire +2

rivière

Total length

393km

Max discharge

97,3m³/s

Max Strahler

5

Segments matched

63

River geography7 admin regions · 122 communes

Parent watershed

hybas-2080503140616 km²

7 administrative regions crossed (GADM L2)

  • Cher
    Centre-Val de Loire · France
    121.0 km
    in this dpt
  • Allier
    Auvergne-Rhône-Alpes · France
    54.1 km
    in this dpt
  • Loir-et-Cher
    Centre-Val de Loire · France
    31.9 km
    in this dpt
  • Creuse
    Nouvelle-Aquitaine · France
    27.6 km
    in this dpt
  • Indre-et-Loire
    Centre-Val de Loire · France
    10.3 km
    in this dpt
  • Puy-de-Dôme
    Auvergne-Rhône-Alpes · France
    8.9 km
    in this dpt
  • Indre
    Centre-Val de Loire · France
    6.7 km
    in this dpt
122 communes (L5)

30 intersecting protected areas

21 more protected areas

1 page = 1 named river (aggregation of 63 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

6 205 distinct species · 272 335 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 41 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 Cher : 38 espèces + 3 bulles famille, 66 interactions GloBI documentées sur 7 types (connectance 8.0%, filtre Serrano α=0.2). Les 3 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).

Espèces affichées
41
Interactions affichées
66
Connectance
0.081
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

393km

Max discharge

97,3m³/s

Max Strahler

5

Segments matched

63

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