Ontologia

Rivière· 6 segments

La Colâtre

Crosses 1 administrative regions : Nièvre

rivière

Total length

34km

Max discharge

171m³/s

Max Strahler

5

Segments matched

6

River geography1 admin regions · 10 communes

Parent watershed

hybas-20805090901838 km²

1 administrative regions crossed (GADM L2)

  • Nièvre
    Bourgogne-Franche-Comté · France
    24.1 km
    in this dpt
10 communes (L5)

4 intersecting protected areas

1 page = 1 named river (aggregation of 6 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

953 distinct species · 8 032 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 La Colâtre : 26 espèces + 2 bulles famille, 73 interactions GloBI documentées sur 3 types (connectance 19.3%, filtre Serrano α=0.2). Les 2 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).

Espèces affichées
28
Interactions affichées
73
Connectance
0.193
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

34km

Max discharge

171,0m³/s

Max Strahler

5

Segments matched

6

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