Regional Nature Park · fra
Normandie-Maine
- Area
- 2 571 km²
- IUCN cat.
- V
- Year
- 1975
Overview
- Designation
- Regional Nature Park
- IUCN category
- V · Paysage protégé
Paysage façonné par l'humain digne de conservation
- Established
- 1975
- 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
9 748 distinct species · 746 333 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 31 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 Normandie-Maine : 19 espèces reliées par 109 interactions GloBI sur 6 types (connectance 22.0%, filtre Serrano α=0.2). 13 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydrology11 basins · 8 lakes · 79 rivers
Hydrology metrics for this exact territory
Stream length here
606,8km
Lake surface here
1,30km²
Basins crossed
11
Max stream order
5
Max drainage
2 356km²
Discharge in basins
36,9m³/s
Mean precip.
749mm/an
Mean T°
10,1°C
Moisture idx
-0,06
Max snow
7%
Mean runoff
438mm/an
Mean elev. (basins)
186m
Watersheds crossing here
- Bassin de la Sarthesub-area2 151 km²overlap989.72 km²38%
- Bassin de la Mayennesub-area874,2 km²overlap633.35 km²25%
- Bassin de la Varennesub-area670,4 km²overlap451.86 km²18%
- Bassin de l'Ornesub-area1 182,4 km²overlap261.57 km²10%
- Bassin de la Sélunesub-area1 046 km²overlap92.59 km²4%
- Bassin de la Vègresub-area411,2 km²overlap59.24 km²2%
- Bassin de la Mayennesub-area811,4 km²overlap28.58 km²1%
- Bassin de Orne Saosnoisesub-area528,5 km²overlap20.70 km²1%
- Bassin de l'Ervesub-area420,9 km²overlap19.02 km²1%
2 more basinssorted by overlap
Lakes (8, top by area)
Rivers / streams (79, ord ≥ 4)
- La Mayenneord 5len here59.41 km27%total220 km
- La Sartheord 6len here55.65 km18%total303 km
- La Varenneord 4len here43.67 km53%total82 km
- L'Ortheord 3len here24.34 km80%total30 km
- L'Egrenneord 3len here22.74 km99%total23 km
- La Sonceord 2len here18.29 km100%total18 km
- La Véeord 4len here17.35 km100%total17 km
- La Maureord 3len here16.24 km100%total16 km
- La Vieille Sartheord 3len here13.65 km79%total17 km
- La Vandreord 2len here11.47 km100%total11 km
- La Doucelleord 2len here11.38 km64%total18 km
- L'Udonord 3len here11.29 km48%total24 km
67 more river segmentssorted by Strahler order + length
- La Bardelleord 2len here11.17 km91%total12 km
- La Pisseord 1len here11.02 km100%total11 km
- Le Merdereauord 2len here10.91 km45%total24 km
- L'Ornetteord 1len here10.57 km100%total11 km
- Ruisseau de Cuissaiord 2len here10.46 km60%total17 km
- La Séluneord 4len here10.45 km15%total72 km
- Le Sarthonord 2len here10.34 km73%total14 km
- Ruisseau du Vivierord 1len here9.34 km100%total9 km
- Ruisseau du Moulin de la Chauxord 1len here8.46 km100%total8 km
- La Canceord 2len here8.23 km34%total24 km
- La Meudeord 3len here8.12 km75%total11 km
- Ruisseau du Pont Barrabéord 1len here8.11 km100%total8 km
- Ruisseau de Subonord 2len here7.69 km100%total8 km
- La Vaudelleord 1len here7.64 km34%total23 km
- Ruisseau de Bazeilleord 2len here7.64 km100%total8 km
- Ruisseau de la Lavandièreord 1len here6.88 km100%total7 km
- Ruisseau de Martrezaord 1len here6.54 km100%total7 km
- L'Orneord 5len here6.35 km4%total152 km
- La Bienneord 2len here5.98 km30%total20 km
- La Gourbeord 4len here5.61 km100%total6 km
- Ruisseau de Roche-Elieord 1len here5.53 km100%total6 km
- La Thouaneord 1len here5.30 km38%total14 km
- Ruisseau d'Ortelord 1len here5.16 km100%total5 km
- Le Terrançonord 2len here4.99 km100%total5 km
- Les Defaysord 1len here4.70 km100%total5 km
- Ruisseau de Chérizéord 1len here4.69 km100%total5 km
- La Colmontord 3len here4.64 km10%total45 km
- Ruisseau du Moulin Richardord 1len here4.47 km100%total4 km
- Ruisseau de Choiselord 1len here4.34 km100%total4 km
- La Vézoneord 2len here4.08 km100%total4 km
- Ruisseau de la Plesseord 1len here4.03 km79%total5 km
- Ruisseau de Baizeord 1len here3.78 km35%total11 km
- Le Tilleulord 3len here3.77 km100%total4 km
- Le Chandonord 1len here3.67 km43%total9 km
- La Halouzeord 2len here3.66 km28%total13 km
- La Diveord 4len here3.65 km2%total169 km
- Ruisseau de la Francièreord 1len here3.60 km65%total6 km
- Ruisseau de Létrieord 1len here3.59 km100%total4 km
- L'Égrenneord 2len here3.35 km21%total16 km
- La Vègreord 2len here3.25 km6%total50 km
- Ruisseau de Mousseord 1len here3.12 km100%total3 km
- Ruisseau de Paillerotteord 3len here2.93 km100%total3 km
- La Semelleord 1len here2.90 km26%total11 km
- Ruisseau de Quincampoixord 1len here2.75 km100%total3 km
- La Sennevièreord 1len here2.60 km29%total9 km
- L'Erveord 3len here2.57 km5%total55 km
- Ruisseau de Saint-Ursinord 2len here2.50 km100%total2 km
- Vieille Villeord 1len here2.35 km100%total2 km
- Ruisseau de Chenillyord 1len here2.30 km98%total2 km
- Le Chédouetord 1len here2.18 km100%total2 km
- Ruisseau des Valléesord 1len here2.17 km37%total6 km
- Ruisseau des Livréesord 3len here2.04 km100%total2 km
- L'Aisneord 3len here1.83 km7%total25 km
- Le Rubanord 2len here1.74 km27%total6 km
- Ruisseau de la Prise Pontinord 1len here1.63 km100%total2 km
- La Morinièreord 5len here1.58 km19%total8 km
- La Pervencheord 1len here1.57 km21%total7 km
- La Longuèveord 3len here1.42 km4%total35 km
- La Bertheord 1len here1.30 km14%total9 km
- Ruisseau du Viverelord 1len here1.30 km100%total1 km
- La Canceord 1len here1.06 km7%total14 km
- Le Rosayord 1len here0.85 km11%total8 km
- La Rouvreord 3len here0.31 km1%total30 km
- L'Erineord 2len here0.30 km4%total7 km
- Ruisseau de Bel Usselord 1len here0.27 km6%total5 km
- L'Ourdeord 2len here≈ tangenttotal10 km
- Ruisseau de Bellayord 1len here≈ tangenttotal7 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
- 48.41564, -0.12283
- 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.