Ruisseau· 9 segments
L'Areuse
Crosses 4 administrative regions : Boudry, Jura-North Vaudois, Le Locle, Val-de-Travers
Total length
31km
Max discharge
5,6m³/s
Max Strahler
3
Segments matched
9
River geography4 admin regions · 0 communes
4 administrative regions crossed (GADM L2)
- Val-de-TraversNeuchâtel · Switzerland19.9 kmin this dpt
- BoudryNeuchâtel · Switzerland14.0 kmin this dpt
- Le LocleNeuchâtel · Switzerland0.0 kmin this dpt
- Jura-North VaudoisVaud · Switzerland0.0 kmin this dpt
30 intersecting protected areas
Creux-du-Van
IUCN IVFederal Hunting Reserves
La Grand-Vy
IUCN Not AssignedForest Reserves
Les Déracinées
IUCN Not AssignedForest Reserves
Champ-du-Moulin
IUCN Not AssignedForest Reserves
Rocher des Miroirs
IUCN Not AssignedForest Reserves
Champ-du-Moulin
IUCN Not AssignedForest Reserves
Bioley-Chanet
IUCN Not AssignedForest Reserves
Planeyse
IUCN IVFederal Inventory of Dry Grasslands and Pastures of National Importance
Dos-d'Ane
IUCN Not AssignedForest Reserves
21 more protected areassorted by area
Haut de la Montagne
IUCN Not AssignedForest Reserves
Treymont
IUCN Not AssignedForest Reserves
Merdasson
IUCN IVFederal Inventory of Amphibian Spawning Areas of National Importance
Marnière du Plan du Bois
IUCN IVFederal Inventory of Amphibian Spawning Areas of National Importance
Lanvouennes
IUCN Not AssignedForest Reserves
Îlot de sénéscence
IUCN Not AssignedForest Reserves
La Fabrique
IUCN IVFederal Inventory of Amphibian Spawning Areas of National Importance
Îlot de sénscence, La Corbière
IUCN Not AssignedForest Reserves
Rocher des Miroirs
IUCN Not AssignedForest Reserves
Côte Bertin
IUCN IVFederal Inventory of Dry Grasslands and Pastures of National Importance
La Gare
IUCN IVFederal Inventory of Amphibian Spawning Areas of National Importance
Planeyse
IUCN IVFederal Inventory of Amphibian Spawning Areas of National Importance
Ilot de sénescence
IUCN Not AssignedForest Reserves
La Prise
IUCN Not AssignedForest Reserves
Bellevue
IUCN IVFederal Inventory of Dry Grasslands and Pastures of National Importance
Lanvouennes
IUCN Not AssignedForest Reserves
Treymont
IUCN Not AssignedForest Reserves
Îlot de sénéscence
IUCN Not AssignedForest Reserves
Bois des Oeuillons
IUCN Not AssignedForest Reserves
Ilot de sénescence
IUCN Not AssignedForest Reserves
Ilot de sénescence
IUCN Not AssignedForest Reserves
1 page = 1 named river (aggregation of 9 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
2 972 distinct species · 76 005 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).
Indicateurs du tissu écologique
Tissu écologique de L'Areuse : 15 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 102 interactions GloBI sur 5 types (connectance 21.9%, filtre Serrano α=0.2). 16 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
31km
Max discharge
5,6m³/s
Max Strahler
3
Segments matched
9
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.