Special Areas of Conservation (Habitats Directive) · fra
Vallées de la Grande et de la Petite Leyre
- Area
- 56 km²
- IUCN cat.
- Not Reported
- Year
- 2015
Overview
- Designation
- Special Areas of Conservation (Habitats Directive)
- Established
- 2015
- 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
0 distinct species · 0 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 39 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 de la Grande et de la Petite Leyre : 27 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 100 interactions GloBI sur 5 types (connectance 13.5%, 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).
Hydrology1 basins · 0 lakes · 45 rivers
Hydrology metrics for this exact territory
Stream length here
83,9km
Basins crossed
1
Max stream order
4
Max drainage
2 315km²
Discharge in basins
0,8m³/s
Mean precip.
1 038mm/an
Mean T°
12,6°C
Moisture idx
0,07
Max snow
7%
Mean runoff
477mm/an
Mean elev. (basins)
71m
Watersheds crossing here
Rivers / streams (45, ord ≥ 4)
- L'Eyreord 4len here13.73 km58%total24 km
- La Grande Leyreord 3len here9.93 km14%total69 km
- La Petite Leyreord 3len here9.71 km23%total41 km
- Leyreord 4len here6.57 km52%total13 km
- Ruisseau de Paillasseord 2len here6.52 km39%total17 km
- Ruisseau du Syndicord 4len here4.02 km84%total5 km
- Ruisseau de la Canauord 3len here3.41 km39%total9 km
- Ruisseau de l'Îleord 1len here3.06 km31%total10 km
- Craste de Vitracord 1len here2.45 km15%total16 km
- Ruisseau du Moulin de Lugosord 4len here2.01 km94%total2 km
- Arriu de L'olhèraord 4len here1.70 km55%total3 km
- Craste de la Mounardeord 1len here1.64 km16%total11 km
33 more river segmentssorted by Strahler order + length
- Le Lacanauord 2len here1.58 km13%total12 km
- Ruisseau de la Forgeord 2len here1.35 km13%total11 km
- Ruisseau de l'Escamatord 2len here1.31 km7%total19 km
- Craste de Toulouseord 3len here1.24 km34%total4 km
- Crasta de la Monardaord 2len here1.17 km37%total3 km
- Ruisseau de la Hountineord 1len here1.17 km18%total6 km
- Le Silleyord 1len here1.14 km16%total7 km
- Le Bras de l'Eyreord 4len here1.08 km25%total4 km
- Ruisseau de Largillaireord 1len here0.89 km8%total12 km
- Ruisseau du Moulin de Daugnagueord 2len here0.83 km23%total4 km
- Le Naouord 3len here0.78 km4%total18 km
- Ruisseau de Lafonord 1len here0.70 km16%total4 km
- Crasta de Perricord 4len here0.67 km65%total1 km
- Ruisseau de Biardord 2len here0.65 km13%total5 km
- Barade de Chinanord 3len here0.65 km18%total4 km
- Ruisseau de Casteraord 2len here0.63 km4%total18 km
- Ruisseau de Mougnocqord 1len here0.62 km8%total8 km
- Ruisseau de Calèdeord 1len here0.53 km10%total5 km
- Barade de Raouzetord 2len here0.41 km2%total25 km
- Ruisseau de Richetord 1len here0.40 km9%total5 km
- Ruisseau de Bouronord 1len here0.26 km11%total2 km
- Ruisseau de Pinceord 2len here0.25 km3%total9 km
- Ruisseau de Pépainsord 1len here0.23 km1%total16 km
- Ruisseau du Getord 1len here0.17 km3%total6 km
- Ruisseau de Lagarailleord 1len here0.16 km2%total9 km
- Craste Baneyreord 1len here0.14 km11%total1 km
- Barade de la Bareyreord 1len here0.09 km1%total8 km
- Ruisseau de la Sourdouilleord 3len here0.03 km3%total1 km
- La Planquetteord 1len here0.03 km1%total4 km
- Craste de la Régasseord 1len here0.01 km0%total4 km
- Le Peyronnetord 1len here0.01 km0%total10 km
- Craste de Montespiouord 1len here≈ tangenttotal4 km
- Ruisseau de la Caletteord 1len here≈ tangenttotal4 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
- 44.34785, -0.74309
- 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.