Special Areas of Conservation (Habitats Directive) · fra
Complexe du Changeon et de la Roumer
- Area
- 46 km²
- IUCN cat.
- Not Reported
- Year
- 2014
Overview
- Designation
- Special Areas of Conservation (Habitats Directive)
- Established
- 2014
- Managing authority
- See European Environment Agency Geospatial Data Catalogue for more information - https://sdi.eea.europa.eu/catalogue/srv/api/records/be2142b0-7dc4-42e3-afac-f7cc5f1a9ac6
Source : WDPA (UNEP-WCMC, World Database on Protected Areas).
Species present
1 932 distinct species · 25 015 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 Complexe du Changeon et de la Roumer : 35 espèces + 5 bulles famille, 98 interactions GloBI documentées sur 5 types (connectance 12.6%, filtre Serrano α=0.2). Les 5 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).
Hydrology6 basins · 2 lakes · 7 rivers
Hydrology metrics for this exact territory
Stream length here
26,2km
Lake surface here
0,33km²
Basins crossed
6
Max stream order
2
Max drainage
59 951km²
Discharge in basins
9,3m³/s
Mean precip.
681mm/an
Mean T°
11,3°C
Moisture idx
-0,22
Max snow
9%
Mean runoff
199mm/an
Mean elev. (basins)
82m
Watersheds crossing here
- Bassin de l'Authionsub-area1 311,5 km²overlap16.26 km²36%
- Bassin de la Roumersub-area122,2 km²overlap15.45 km²34%
- Bassin de la Loiresub-area1 528,3 km²overlap9.76 km²21%
- Bassin du Loirsub-area2 710,9 km²overlap2.33 km²5%
- Bassin de la Loiresub-area199,4 km²overlap1.03 km²2%
- Bassin de Ruisseau du Breuilsub-area104,6 km²overlap0.82 km²2%
Lakes (2, top by area)
Rivers / streams (7, ord ≥ 4)
- Le Changeonord 2len here11.91 km42%total28 km
- La Roumerord 6len here8.31 km50%total17 km
- Ruisseau d'Avrilléord 2len here3.94 km55%total7 km
- Ruisseau du Breuilord 5len here1.22 km7%total18 km
- Ruisseau de l'Étang de Crémilleord 1len here0.46 km15%total3 km
- Ruisseau de Saint-Gillesord 1len here0.20 km4%total5 km
- Ancien bief du moulin de la Basse Soudrièreord 1len here0.14 km4%total4 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
- 47.47969, 0.48313
- 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.