Rivière· 2 segments
La Merlaude
Crosses 2 administrative regions : Allier, Puy-de-Dôme
Total length
4km
Max discharge
87,9m³/s
Max Strahler
5
Segments matched
2
River geography2 admin regions · 5 communes
2 administrative regions crossed (GADM L2)
- AllierAuvergne-Rhône-Alpes · France5.1 kmin this dpt
- Puy-de-DômeAuvergne-Rhône-Alpes · France0.9 kmin this dpt
5 communes (L5)For countries with L5
- Hauterive4.25 km
- Saint-Sylvestre-Pragoulin0.95 km
- Brugheas0.57 km
- Saint-Yorre0.32 km
- Abrest0.00 km
3 intersecting protected areas
Rivière Allier
IUCN IVBiotope Protection Order
Vallée de l'Allier sud
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Biotope Protection Order
1 page = 1 named river (aggregation of 2 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
1 576 distinct species · 21 753 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 23 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 Merlaude : 19 espèces + 4 bulles famille, 28 interactions GloBI documentées sur 2 types (connectance 11.1%, filtre Serrano α=0.2). Les 4 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)
Total length
4km
Max discharge
87,9m³/s
Max Strahler
5
Segments matched
2
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.