Regional Nature Park · fra
Marais Poitevin
- Area
- 1 986 km²
- IUCN cat.
- V
- Year
- 2014
Overview
- Designation
- Regional Nature Park
- IUCN category
- V · Paysage protégé
Paysage façonné par l'humain digne de conservation
- Established
- 2014
- Managing authority
- French Ministry in charge of the environment. In march 2012, name, acronym and address as follows : Ministère de l'Écologie, du Développement durable, des Transports et du Logement (MEDDTL) 92055 La Défense Cedex France. For regional parks network,
Source : WDPA (UNEP-WCMC, World Database on Protected Areas).
Species present
8 061 distinct species · 1 048 565 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 29 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 Marais Poitevin : 23 espèces dont 3 patrimoniales (LR IUCN CR/EN/VU) reliées par 56 interactions GloBI sur 2 types (connectance 13.8%, filtre Serrano α=0.2). 6 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydrology15 basins · 3 lakes · 96 rivers
Hydrology metrics for this exact territory
Stream length here
582,4km
Lake surface here
0,79km²
Basins crossed
15
Max stream order
4
Max drainage
3 420km²
Discharge in basins
162,3m³/s
Mean precip.
776mm/an
Mean T°
12,2°C
Moisture idx
-0,07
Max snow
9%
Mean runoff
519mm/an
Mean elev. (basins)
37m
Watersheds crossing here
- Bassin du Laysub-area1 998,9 km²overlap331.85 km²17%
- Bassin de la Sèvre Niortaisesub-area370,2 km²overlap285.11 km²14%
- Bassin de Chenal Vieuxsub-area236,3 km²overlap214.27 km²11%
- Bassin du Curésub-area457,4 km²overlap189.75 km²10%
- Bassin du Mignonsub-area495,1 km²overlap181.98 km²9%
- Bassin de Fossé du Bois Billaudsub-area172,5 km²overlap172.93 km²9%
- Bassin de Fossé Centralsub-area134,3 km²overlap133.70 km²7%
- Bassin de l'Autisesub-area422,7 km²overlap112.22 km²6%
- Bassin de la Vendéesub-area594,8 km²overlap103.91 km²5%
6 more basinssorted by overlap
- Bassin de la Sèvre Niortaisesub-area982,9 km²overlap97.65 km²5%
- Bassin de la Rigole d'Azirésub-area73,4 km²overlap73.63 km²4%
- Bassin de la Guirandesub-area174 km²overlap59.04 km²3%
- Bassin du Jaunaysub-area893 km²overlap26.40 km²1%
- Bassin de Canal de la Moulinettesub-area450,4 km²overlap2.50 km²0%
- Basin #20780sub-area3,5 km²overlap0.68 km²0%
Lakes (3, top by area)
Rivers / streams (96, ord ≥ 4)
- Le Layord 4len here43.53 km65%total67 km
- La Sèvre Niortaiseord 4len here42.57 km34%total126 km
- Le Curéord 3len here18.75 km55%total34 km
- Chenal Vieuxord 2len here18.11 km91%total20 km
- Le Mignonord 3len here15.68 km61%total26 km
- La Vendéeord 3len here14.22 km21%total67 km
- Ceinture du Commandeurord 2len here13.24 km100%total13 km
- La Rigole d'Aziréord 1len here13.14 km100%total13 km
- Le Graonord 2len here12.40 km81%total15 km
- Le Bieford 2len here10.67 km86%total12 km
- La Couranceord 2len here10.30 km47%total22 km
- Le Lambonord 4len here10.07 km22%total46 km
84 more river segmentssorted by Strahler order + length
- Canal de la Vergneord 2len here10.03 km83%total12 km
- Canal de Vixord 3len here9.94 km100%total10 km
- Fossé Centralord 1len here9.73 km100%total10 km
- Le Vieux Mignonord 3len here9.34 km100%total9 km
- La Guirandeord 2len here9.30 km33%total28 km
- Canal de la Repentieord 4len here9.14 km100%total9 km
- Canal du Grand Portord 3len here8.97 km100%total9 km
- Canal des Bochesord 4len here8.66 km100%total9 km
- Fossé du Bois Billaudord 1len here7.71 km100%total8 km
- Canal de Bois Vilainord 1len here7.49 km100%total7 km
- La Ceinture Fosséord 4len here7.31 km100%total7 km
- La Vielle Autiseord 3len here7.30 km100%total7 km
- Canal de la Duneord 2len here7.08 km100%total7 km
- La Cordeord 2len here6.67 km90%total7 km
- Ceinture de la Levée du Bois Dieuord 3len here6.64 km100%total7 km
- Canal de la Brieord 3len here6.59 km100%total7 km
- Canal des Hollandaisord 2len here6.45 km100%total6 km
- Canal de Gravansord 1len here6.37 km100%total6 km
- Canal de l'Angle Giraudord 1len here6.34 km100%total6 km
- La Roulièreord 1len here6.22 km100%total6 km
- Le Troussepoilord 2len here6.14 km32%total19 km
- Ruisseau de Chantegrosord 3len here6.12 km30%total20 km
- La Vieille Sèvre dite Bras de Sevreauord 2len here6.01 km100%total6 km
- Canal du Mignonord 3len here5.87 km100%total6 km
- Ecours du Pont Rousseauord 1len here5.73 km100%total6 km
- Canal de la Boissièreord 2len here5.70 km100%total6 km
- L'Yonord 3len here5.61 km14%total40 km
- Canal de Ladressoirord 1len here5.59 km100%total6 km
- Ruisseau du Fossé Châlonord 2len here5.58 km100%total6 km
- Canal du Chailord 1len here5.53 km100%total6 km
- Canal du Petit Maraisord 2len here5.23 km100%total5 km
- Ruisseau des Fontainesord 1len here5.17 km100%total5 km
- L'Abbayeord 2len here5.15 km100%total5 km
- Canal des Cinq Abbésord 1len here5.02 km100%total5 km
- Bot Bourdinord 1len here4.98 km100%total5 km
- Ceinture de la Levée Neuveord 1len here4.74 km100%total5 km
- La Charreord 1len here4.50 km100%total4 km
- Conche de la Bequetterieord 4len here4.50 km100%total4 km
- Le Romagnéord 1len here4.46 km100%total4 km
- Bief du Roseauord 1len here4.39 km100%total4 km
- Ceinture des Fenêtres Rougesord 1len here4.29 km92%total5 km
- La Douveord 1len here4.28 km100%total4 km
- Le Vivierord 2len here3.86 km100%total4 km
- Chenal de la Raqueord 1len here3.82 km100%total4 km
- Fossé de la Dispartieord 2len here3.74 km100%total4 km
- Canal de Ceinture du Marais de Boëreord 4len here3.69 km100%total4 km
- Canal du Pont aux Chèvresord 1len here3.64 km100%total4 km
- Petit Canal de Vixord 1len here3.62 km100%total4 km
- Bief de Glandeord 4len here3.48 km100%total3 km
- Canal du Milieuord 4len here3.46 km100%total3 km
- Le Fossé Noirord 1len here3.38 km67%total5 km
- Canal de Pomèreord 4len here3.13 km100%total3 km
- Canal Ratéord 2len here3.00 km90%total3 km
- Canal de la Chevrotièreord 2len here2.98 km100%total3 km
- Canal du Curéord 3len here2.81 km100%total3 km
- Canal du Sablonord 4len here2.73 km100%total3 km
- L'Acheneauord 3len here2.73 km100%total3 km
- Le Saint-Bibienord 1len here2.66 km49%total5 km
- Canal Anticharord 2len here2.64 km41%total6 km
- L'Autiseord 3len here2.57 km10%total26 km
- Le Nantoletord 1len here2.57 km54%total5 km
- Canal des Trois Fossésord 1len here2.33 km100%total2 km
- Le Contre-Botord 2len here2.27 km100%total2 km
- Petit Canal d'Andillyord 1len here2.23 km100%total2 km
- Canal de la Chaudièreord 3len here1.98 km70%total3 km
- Canal du Grand Coinord 4len here1.85 km100%total2 km
- Canal de la Baronneord 3len here1.77 km100%total2 km
- Fossé du Corps de Gardeord 4len here1.69 km100%total2 km
- Canal de Ceintureord 1len here1.63 km100%total2 km
- La Smagneord 2len here1.21 km3%total35 km
- Le Traquenardord 2len here1.18 km21%total6 km
- Fossé de Bazoinord 4len here1.13 km100%total1 km
- Bief Communal de Bourneauord 3len here1.13 km100%total1 km
- La Marzelleord 1len here1.12 km100%total1 km
- Le Marilletord 3len here0.95 km4%total21 km
- Canal des Hollandaisord 1len here0.91 km72%total1 km
- La Longèvesord 2len here0.86 km7%total12 km
- Le Maupasord 2len here0.80 km8%total10 km
- Bief Chabotord 1len here0.69 km101%total1 km
- Bief d'Ambreuilord 4len here0.64 km100%total1 km
- Le Riveauord 1len here0.58 km39%total1 km
- Le Virsonord 2len here0.32 km2%total15 km
- Rivière du Gouletord 2len here0.10 km2%total6 km
- La Grignonnièreord 1len here≈ tangenttotal5 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Location
Fond cartographique : OpenFreeMap · © OpenStreetMap contributors · Géométrie : nos sources (GADM/HydroBASINS/HydroLAKES/HydroRIVERS/WDPA)
- Centroid
- 46.35565, -1.00668
- Open in maps
- OpenStreetMap → · Satellite →
Species observed (Phase 2)
Listing species observed within this protected area requires the GBIF v2 partition × WDPA spatial overlay matview. Computing infrastructure pending.