Special Protection Area (Birds Directive) · ita
Alta Valsesia e Valli Otro, Vogna, Gronda, Artogna e Sorba
- Area
- 189 km²
- IUCN cat.
- Not Reported
- Year
- 2006
Overview
- Designation
- Special Protection Area (Birds Directive)
- Established
- 2006
- 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
489 distinct species · 1 169 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 29 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 Alta Valsesia e Valli Otro, Vogna, Gronda, Artogna e Sorba : 24 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 45 interactions GloBI sur 6 types (connectance 10.3%, filtre Serrano α=0.2). 6 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydrology6 basins · 0 lakes · 13 rivers
Hydrology metrics for this exact territory
Stream length here
46,0km
Basins crossed
6
Max stream order
2
Max drainage
1 883km²
Discharge in basins
6,1m³/s
Mean precip.
1 437mm/an
Mean T°
3,3°C
Moisture idx
0,59
Max snow
38%
Mean runoff
1 019mm/an
Mean elev. (basins)
1 803m
Watersheds crossing here
- Bassin de Sesiasub-area295,6 km²overlap163.21 km²86%
- Bassin de Torrente Eguasub-area129,6 km²overlap23.33 km²12%
- Bassin de Torrente Lyssub-area274,9 km²overlap1.37 km²1%
- Bassin de Tocesub-area1 883 km²overlap1.08 km²1%
- Bassin de Torrente Elvosub-area1 080 km²overlap0.26 km²0%
- Bassin de Fosso del Braigalesub-area189,3 km²overlap0.23 km²0%
Rivers / streams (13, ord ≥ 4)
- Sesiaord 3len here9.52 km35%total28 km
- Cros dal Pacàord 1len here7.89 km93%total8 km
- Rio del Giuràord 1len here6.69 km100%total7 km
- Crosaccio Cigarelloord 1len here5.66 km100%total6 km
- Torrente Otroord 1len here3.88 km81%total5 km
- Torrente Vognaord 1len here3.63 km100%total4 km
- Rio Borsord 1len here2.91 km100%total3 km
- Rio Rousis Grobeord 2len here2.69 km58%total5 km
- Rio dell'Alpeord 2len here1.52 km54%total3 km
- Rio Rissuoloord 1len here1.05 km100%total1 km
- Croso della Brusàord 1len here0.54 km13%total4 km
- Rio Ronco dei Secciord 2len here≈ tangenttotal2 km
1 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
- 45.82718, 7.91082
- 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.