Site of Special Scientific Interest · gbr
River Wye (Upper Wye) / Afon Gwy (Gwy Uchaf)
- Area
- 5 km²
- IUCN cat.
- IV
- Year
- 1978
Overview
- Designation
- Site of Special Scientific Interest
- IUCN category
- IV · Aire d'habitats / espèces
Gestion active pour maintenir habitats / espèces particuliers
- Established
- 1978
- Managing authority
- Not Reported
Source : WDPA (UNEP-WCMC, World Database on Protected Areas).
Species present
3 795 distinct species · 44 296 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 28 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 River Wye (Upper Wye) / Afon Gwy (Gwy Uchaf) : 12 espèces reliées par 113 interactions GloBI sur 5 types (connectance 22.8%, filtre Serrano α=0.2). 20 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 · 0 lakes · 14 rivers
Hydrology metrics for this exact territory
Stream length here
14,0km
Basins crossed
5
Max stream order
5
Max drainage
2 000km²
Discharge in basins
0,8m³/s
Mean precip.
1 253mm/an
Mean T°
8,4°C
Moisture idx
0,49
Max snow
12%
Mean runoff
968mm/an
Mean elev. (basins)
273m
Watersheds crossing here
Rivers / streams (14, ord ≥ 4)
- River Wyeord 5len here12.45 km5%total276 km
- Nant Henllanord 5len here0.55 km10%total5 km
- Bachawyord 5len here0.26 km2%total14 km
- Sgithwen Brookord 1len here0.15 km2%total8 km
- Dulas Brookord 5len here0.12 km2%total7 km
- Cletwr Brookord 2len here0.08 km2%total5 km
- Nant Ysgallenord 1len here0.08 km3%total3 km
- Afon Llynfiord 5len here0.07 km1%total8 km
- Cnithio Brookord 1len here0.06 km3%total2 km
- Estyn Brookord 1len here0.05 km3%total2 km
- Chwefriord 3len here0.03 km0%total9 km
- Nant Troedyresgairord 1len here0.02 km1%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
- 52.24720, -3.46506
- 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.