Ruisseau· 2 segments
La Rançonnière
Crosses 2 administrative regions : Doubs, Le Locle
Total length
3km
Max discharge
31,5m³/s
Max Strahler
3
Segments matched
2
River geography2 admin regions · 4 communes
2 administrative regions crossed (GADM L2)
- DoubsBourgogne-Franche-Comté · France7.6 kmin this dpt
- Le LocleNeuchâtel · Switzerland0.4 kmin this dpt
4 communes (L5)For countries with L5
- Villers-le-Lac5.70 km
- Les Fins1.10 km
- Morteau0.40 km
- Montlebon0.37 km
6 intersecting protected areas
Doubs Horloger
IUCN VRegional Nature Park
Les Goudebas
IUCN IVFederal Inventory of Amphibian Spawning Areas of National Importance
Les Goudebas
IUCN IVFederal Inventory of Fenlands of National Importance
L'Arvoux-Combe à l'Ours
IUCN Not AssignedForest Reserves
Les Goudebas
IUCN Not AssignedPrivate Nature Reserves
La Caroline
IUCN Not AssignedForest Reserves
1 page = 1 named river (aggregation of 2 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
736 distinct species · 5 447 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 39 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 Rançonnière : 28 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 80 interactions GloBI sur 3 types (connectance 10.8%, filtre Serrano α=0.2). 11 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydrology (HydroRIVERS v10)
Total length
3km
Max discharge
31,5m³/s
Max Strahler
3
Segments matched
2
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.