Ontologia

Ruisseau· 3 segments

Le Donneau

Crosses 1 administrative regions : Loire-Atlantique

ruisseau

Total length

26km

Max discharge

1,4m³/s

Max Strahler

2

Segments matched

3

River geography1 admin regions · 4 communes

Parent watershed

hybas-20805031202003 km²

1 administrative regions crossed (GADM L2)

4 communes (L5)

1 intersecting protected areas

1 page = 1 named river (aggregation of 3 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

746 distinct species · 8 651 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Graphe en cours d’indexation

Calcul du tissu écologique de cette entité.

Le graphe apparaîtra automatiquement dès que le calcul est terminé (rafraîchissement toutes les 2s).

Hydrology (HydroRIVERS v10)

Total length

26km

Max discharge

1,4m³/s

Max Strahler

2

Segments matched

3

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