Rivière· 14 segments
L'Allaine
Crosses 2 administrative regions : Porrentruy, Territoire de Belfort
Total length
47km
Max discharge
8m³/s
Max Strahler
4
Segments matched
14
River geography2 admin regions · 8 communes
2 administrative regions crossed (GADM L2)
- PorrentruyJura · Switzerland29.2 kmin this dpt
- Territoire de BelfortBourgogne-Franche-Comté · France10.9 kmin this dpt
8 communes (L5)For countries with L5
- Grandvillars3.35 km
- Delle2.89 km
- Morvillars2.36 km
- Thiancourt1.35 km
- Bourogne0.94 km
- Froidefontaine0.00 km
- Méziré0.00 km
- Joncherey0.00 km
23 intersecting protected areas
Étangs et vallées du Territoire de Belfort
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Étangs et Vallées du Territoire de Belfort
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Les Hâts Rotchet - Côte St-Jean
IUCN Not AssignedForest Reserves
Cras d'Airmont
IUCN Not AssignedForest Reserves
Le Banné
IUCN Not AssignedPrivate Nature Reserves
Etang Corbat
IUCN IVFederal Inventory of Amphibian Spawning Areas of National Importance
Le Banné
IUCN IVFederal Inventory of Dry Grasslands and Pastures of National Importance
Connai Derrière
IUCN Not AssignedForest Reserves
Côte Champ Françon
IUCN Not AssignedForest Reserves
14 more protected areassorted by area
En Craye
IUCN Not AssignedForest Reserves
Mont Miserez
IUCN Not AssignedForest Reserves
Etang Corbat
IUCN Not AssignedPrivate Nature Reserves
Sous la Pâle
IUCN Not AssignedForest Reserves
Le Banné
IUCN Not AssignedForest Reserves
Les Hauts Sapins
IUCN Not AssignedForest Reserves
Le Banné
IUCN Not AssignedForest Reserves
Treuche Patat
IUCN Not AssignedForest Reserves
Beaupré
IUCN Not AssignedPrivate Nature Reserves
Rière de Moulin
IUCN Not AssignedPrivate Nature Reserves
Sur les Roches
IUCN Not AssignedForest Reserves
Essert Angelin
IUCN Not AssignedForest Reserves
Porte en Fer
IUCN Not AssignedForest Reserves
Le Petit Fahy
IUCN Not AssignedForest Reserves
1 page = 1 named river (aggregation of 14 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
2 011 distinct species · 22 631 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 47 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'Allaine : 37 espèces reliées par 84 interactions GloBI sur 6 types (connectance 7.4%, 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
47km
Max discharge
8,0m³/s
Max Strahler
4
Segments matched
14
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.