Biotope Protection Order · fra
Marais Poitevin (Secteur Ouest)
- Area
- 38 km²
- IUCN cat.
- IV
- Year
- 1997
Overview
- Designation
- Biotope Protection Order
- IUCN category
- IV · Aire d'habitats / espèces
Gestion active pour maintenir habitats / espèces particuliers
- Established
- 1997
- Managing authority
- Préfets de département (local State ; will not be listed here as there are 100 of them). Also French Ministry in charge of the environment. In march 2012, name, acronym and address as follows : Ministère de l'Écologie, du Développement durable, des
Source : WDPA (UNEP-WCMC, World Database on Protected Areas).
Species present
2 051 distinct species · 121 641 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 35 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 (Secteur Ouest) : 27 espèces dont 3 patrimoniales (LR IUCN CR/EN/VU) reliées par 72 interactions GloBI sur 4 types (connectance 12.1%, filtre Serrano α=0.2). 8 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydrology3 basins · 0 lakes · 8 rivers
Hydrology metrics for this exact territory
Stream length here
17,3km
Basins crossed
3
Max stream order
4
Max drainage
3 420km²
Discharge in basins
3,4m³/s
Mean precip.
764mm/an
Mean T°
12,4°C
Moisture idx
-0,08
Max snow
9%
Mean runoff
522mm/an
Mean elev. (basins)
14m
Watersheds crossing here
Rivers / streams (8, ord ≥ 4)
- Canal des Bochesord 4len here5.36 km62%total9 km
- Canal de Gravansord 1len here2.53 km40%total6 km
- Petit Canal d'Andillyord 1len here2.23 km100%total2 km
- Canal de la Chaudièreord 3len here1.98 km70%total3 km
- Canal du Curéord 3len here1.71 km61%total3 km
- La Sèvre Niortaiseord 4len here1.33 km1%total126 km
- Canal de la Brieord 3len here1.08 km16%total7 km
- Canal Ratéord 2len here1.06 km32%total3 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
- 46.28929, -1.11270
- 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.