Special Areas of Conservation (Habitats Directive) · fra
Milieux alluviaux et aquatiques et gorges de la moyenne vallée de la Drôme et du Bez
- Area
- 12 km²
- IUCN cat.
- Not Reported
- Year
- 2016
Overview
- Designation
- Special Areas of Conservation (Habitats Directive)
- Established
- 2016
- 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
1 412 distinct species · 18 040 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 19 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 Milieux alluviaux et aquatiques et gorges de la moyenne vallée de la Drôme et du Bez : 15 espèces reliées par 30 interactions GloBI sur 3 types (connectance 17.5%, filtre Serrano α=0.2). 4 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydrology1 basins · 0 lakes · 12 rivers
Hydrology metrics for this exact territory
Stream length here
17,2km
Basins crossed
1
Max stream order
4
Max drainage
1 663km²
Discharge in basins
0,2m³/s
Mean precip.
957mm/an
Mean T°
8,9°C
Moisture idx
0,10
Max snow
14%
Mean runoff
420mm/an
Mean elev. (basins)
785m
Watersheds crossing here
Rivers / streams (12, ord ≥ 4)
- La Drômeord 4len here9.09 km21%total44 km
- Ruisseau des Boidansord 3len here2.15 km25%total9 km
- Ravin de Chabrianeord 3len here2.09 km50%total4 km
- Ruisseau de Bourdioleord 1len here1.88 km32%total6 km
- Le Bezord 3len here0.60 km4%total16 km
- Le Riford 2len here0.53 km4%total12 km
- Ruisseau des Combesord 3len here0.48 km4%total11 km
- Bial de l'Oursord 1len here0.17 km25%total1 km
- Ruisseau de l'Ayeord 1len here0.09 km3%total3 km
- Ruisseau de l'Esconavetteord 1len here0.09 km3%total3 km
- Torrent de Nière Gourzineord 3len here0.02 km0%total5 km
- Ruisseau de Valcroissantord 4len 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
- 44.60920, 5.46533
- 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.