Ruisseau· 5 segments
Les Alleuds
Crosses 2 administrative regions : Charente-Maritime, Deux-Sèvres
Total length
13km
Max discharge
1,3m³/s
Max Strahler
2
Segments matched
5
River geography2 admin regions · 9 communes
2 administrative regions crossed (GADM L2)
- Deux-SèvresNouvelle-Aquitaine · France15.2 kmin this dpt
- Charente-MaritimeNouvelle-Aquitaine · France0.6 kmin this dpt
9 communes (L5)For countries with L5
- Prissé-la-Charrière11.31 km
- Thorigny-sur-le-Mignon2.07 km
- Villiers-en-Bois1.82 km
- Dœuil-sur-le-Mignon0.55 km
- Marigny0.00 km
- Usseau0.00 km
- Beauvoir-sur-Niort0.00 km
- Belleville0.00 km
- La Foye-Monjault0.00 km
6 intersecting protected areas
Marais Poitevin
IUCN VRegional Nature Park
Marais poitevin
IUCN IIIWetland of International Importance (Ramsar Site)
Marais poitevin
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Marais Poitevin
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Massif forestier de Chizé-Aulnay
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Sylve D\'Argenson
IUCN IaForest Integral Biological Reserve
1 page = 1 named river (aggregation of 5 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
1 015 distinct species · 11 273 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 40 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 Les Alleuds : 29 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 93 interactions GloBI sur 4 types (connectance 11.3%, filtre Serrano α=0.2). 12 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
13km
Max discharge
1,3m³/s
Max Strahler
2
Segments matched
5
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.