HydroBASINS lev08 watershed · #2080522460
Bassin de la Dive
A watershed (drainage basin) is not a body of water — it is the land area where rainfall converges towards a single river that eventually reaches the sea (or an endorheic basin). Boundaries follow ridgelines.
Crosses 2 administrative regions : Deux-Sèvres, Vienne
Sub-basin area
491,9km²
Upstream area
491,9km²
Discharge
7,7m³/s
Mean elev.
138m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
2 dept-equivalent regions (GADM L2)
- 275.5 km²55.9% of basin
- 217.7 km²44.1% of basin
41 communes (GADM L5)Available for FRA, RWA
- Saint-Sauvant57.33 km²96% commune
- Rom52.68 km²100% commune
- Lezay39.30 km²86% commune
- Chaunay29.71 km²75% commune
- Clussais-la-Pommeraie29.42 km²95% commune
- Brux29.07 km²81% commune
- Sainte-Soline25.66 km²100% commune
- Rouillé25.29 km²49% commune
- Payré24.20 km²91% commune
- Saint-Vincent-la-Châtre19.10 km²89% commune
- Vançais16.91 km²100% commune
- Caunay14.19 km²100% commune
- Messé12.38 km²100% commune
- Vaux12.24 km²48% commune
- Saint-Coutant11.90 km²100% commune
- Vanzay11.39 km²100% commune
- Pliboux10.67 km²69% commune
- Ceaux-en-Couhé9.81 km²61% commune
- Couhé9.38 km²100% commune
- Lusignan7.26 km²19% commune
- Mairé-Levescault6.22 km²36% commune
- Châtillon6.04 km²100% commune
- Chenay5.69 km²26% commune
- Pers5.12 km²100% commune
- Voulon4.66 km²56% commune
- Les Alleuds4.29 km²48% commune
- Chey3.08 km²15% commune
- Sauzé-Vaussais2.15 km²11% commune
- Saint-Léger-de-la-Martinière1.64 km²6% commune
- Melleran1.35 km²7% commune
- Anché1.23 km²8% commune
- Maisonnay1.03 km²20% commune
- Celle-Lévescault0.92 km²2% commune
- Sepvret0.92 km²5% commune
- Vivonne0.34 km²1% commune
- Chail0.25 km²2% commune
- Champagné-le-Sec0.16 km²2% commune
- La Chapelle-Pouilloux0.09 km²1% commune
- Avon0.02 km²0% commune
- Jazeneuil0.02 km²0% commune
- Gournay-Loizé0.00 km²0% commune
17 intersecting protected areas
Plaine de La Mothe-Saint-Héray-Lezay
IUCN Not ReportedSpecial Protection Area (Birds Directive)
167.77 km² overlap
marais de chaunay
IUCN IVLand acquired by a regional conservatory of natural areas
0.79 km² overlap
Land acquired by a regional conservatory of natural areas
0.64 km² overlap
Land acquired by a regional conservatory of natural areas
0.47 km² overlap
Land acquired by a regional conservatory of natural areas
0.39 km² overlap
plaine de rouille a lezay
IUCN IVLand acquired by a regional conservatory of natural areas
0.27 km² overlap
Land acquired by a regional conservatory of natural areas
0.21 km² overlap
Land acquired by a regional conservatory of natural areas
0.21 km² overlap
prairies de lezay
IUCN IVLand acquired by a regional conservatory of natural areas
0.17 km² overlap
8 more protected areassorted by overlap area
plaine de champ baudet
IUCN IVLand acquired by a regional conservatory of natural areas
0.14 km² overlap
Land acquired by a regional conservatory of natural areas
0.12 km² overlap
boucles de la dive du sud
IUCN IVLand acquired by a regional conservatory of natural areas
0.12 km² overlap
Land acquired by a regional conservatory of natural areas
0.11 km² overlap
garennes de chemerault
IUCN IVLand acquired by a regional conservatory of natural areas
0.09 km² overlap
Land acquired by a regional conservatory of natural areas
0.09 km² overlap
plaine de messe - vanzay
IUCN IVLand acquired by a regional conservatory of natural areas
0.06 km² overlap
vallee de la dive du sud
IUCN IVLand acquired by a regional conservatory of natural areas
0.01 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
3 485 distinct species · 198 598 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 42 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 Bassin de la Dive : 36 espèces + 6 bulles famille, 91 interactions GloBI documentées sur 5 types (connectance 10.6%, filtre Serrano α=0.2). Les 6 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydroclimate (BasinATLAS lev08)
Mean T°
11,5°C
Annual rain
813mm
Moisture idx (CMI)
-0,09
Runoff
468mm/an
PET
890mm
AET
621mm
Mean slope
0,8°
Water table
39cm
Forest
1%
Crops
71%
Urban
0%
Protected
1%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)