Special Protection Area (Birds Directive) · fra
Vallées et côtes de la Bienne, du Tacon et du Flumen
- Area
- 176 km²
- IUCN cat.
- Not Reported
- Year
- 2018
Overview
- Designation
- Special Protection Area (Birds Directive)
- Established
- 2018
- 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
1 785 distinct species · 11 833 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 24 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 Vallées et côtes de la Bienne, du Tacon et du Flumen : 15 espèces reliées par 72 interactions GloBI sur 5 types (connectance 20.5%, filtre Serrano α=0.2). 12 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydrology5 basins · 1 lakes · 14 rivers
Hydrology metrics for this exact territory
Stream length here
86,5km
Lake surface here
0,53km²
Basins crossed
5
Max stream order
4
Max drainage
11 297km²
Discharge in basins
7,8m³/s
Mean precip.
1 240mm/an
Mean T°
7,5°C
Moisture idx
0,38
Max snow
28%
Mean runoff
1 056mm/an
Mean elev. (basins)
894m
Watersheds crossing here
Lakes (1, top by area)
Rivers / streams (14, ord ≥ 4)
- La Bienneord 4len here38.00 km57%total67 km
- Le Taconord 3len here11.87 km75%total16 km
- L‘Abîmeord 1len here9.11 km80%total11 km
- L'Ainord 5len here7.02 km3%total224 km
- La Blénièreord 1len here5.12 km62%total8 km
- Bief des Parresord 2len here4.76 km69%total7 km
- La Douveraineord 1len here3.06 km59%total5 km
- Le Flumenord 2len here2.95 km51%total6 km
- Ruisseau de l'Abîmeord 1len here2.39 km73%total3 km
- Le Chonord 1len here1.12 km11%total10 km
- Ruisseau du Loutreord 1len here0.65 km28%total2 km
- Ruisseau du Bancord 4len here0.43 km18%total2 km
2 more river segmentssorted by Strahler order + length
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
- 46.35493, 5.65808
- 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.