Site of Special Scientific Interest · gbr
Afon Cleddau Dwyreiniol/Eastern Cleddau River
- Area
- 4 km²
- IUCN cat.
- IV
- Year
- 2003
Overview
- Designation
- Site of Special Scientific Interest
- IUCN category
- IV · Aire d'habitats / espèces
Gestion active pour maintenir habitats / espèces particuliers
- Established
- 2003
- Managing authority
- Not Reported
Source : WDPA (UNEP-WCMC, World Database on Protected Areas).
Species present
1 657 distinct species · 12 627 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 45 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 Afon Cleddau Dwyreiniol/Eastern Cleddau River : 31 espèces dont 3 patrimoniales (LR IUCN CR/EN/VU) reliées par 95 interactions GloBI sur 5 types (connectance 9.2%, filtre Serrano α=0.2). 15 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 · 1 lakes · 8 rivers
Hydrology metrics for this exact territory
Stream length here
4,3km
Lake surface here
0,62km²
Basins crossed
1
Max stream order
4
Max drainage
660km²
Discharge in basins
0,1m³/s
Mean precip.
916mm/an
Mean T°
9,6°C
Moisture idx
0,39
Max snow
10%
Mean runoff
944mm/an
Mean elev. (basins)
98m
Watersheds crossing here
Lakes (1, top by area)
Rivers / streams (8, ord ≥ 4)
- Eastern Cleddau / Cleddau Dduord 4len here1.50 km4%total39 km
- Afon Syfniord 1len here1.10 km20%total6 km
- Afon Rhyd-afallenord 1len here0.98 km22%total4 km
- Afon Wernord 2len here0.29 km4%total7 km
- Tewgyll Fachord 1len here0.26 km8%total3 km
- Church Hill Brookord 1len here0.07 km3%total2 km
- Deepford Brookord 2len here0.05 km3%total2 km
- Afon Conynord 3len here0.01 km1%total2 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
- 51.87444, -4.84919
- 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.