Ruisseau· 7 segments
La Courance
Crosses 1 administrative regions : Deux-Sèvres
Total length
57km
Max discharge
2,6m³/s
Max Strahler
2
Segments matched
7
River geography1 admin regions · 16 communes
1 administrative regions crossed (GADM L2)
- Deux-SèvresNouvelle-Aquitaine · France21.9 kmin this dpt
16 communes (L5)For countries with L5
- Granzay-Gript3.95 km
- Juscorps3.45 km
- Le Bourdet2.98 km
- Frontenay-Rohan-Rohan2.55 km
- Vallans2.12 km
- Marigny2.09 km
- Épannes1.93 km
- Beauvoir-sur-Niort1.47 km
- Prin-Deyrançon0.90 km
- Saint-Martin-de-Bernegoue0.41 km
- Saint-Romans-des-Champs0.00 km
- La Foye-Monjault0.00 km
- Amuré0.00 km
- La Rochénard0.00 km
- Mauzé-sur-le-Mignon0.00 km
- Fors0.00 km
8 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)
Plaine de Niort Sud-Est
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)
Tourbière Du Bourdet
IUCN IVBiotope Protection Order
tourbiere du bourdet - amure
IUCN IVLand acquired by a regional conservatory of natural areas
1 page = 1 named river (aggregation of 7 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
864 distinct species · 8 653 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 La Courance : 28 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 95 interactions GloBI sur 6 types (connectance 12.2%, 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
57km
Max discharge
2,6m³/s
Max Strahler
2
Segments matched
7
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.