Emerald Network · gbr
Pen Llŷn a`r Sarnau/ Lleyn Peninsula and the Sarnau
- Area
- 1 461 km²
- IUCN cat.
- Not Reported
Overview
- Designation
- Emerald Network 0
- Managing authority
- Natural Resources Wales
Source : WDPA (UNEP-WCMC, World Database on Protected Areas).
Species present
10 889 distinct species · 383 057 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 33 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 Pen Llŷn a`r Sarnau/ Lleyn Peninsula and the Sarnau : 27 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 50 interactions GloBI sur 3 types (connectance 9.5%, 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).
Hydrology3 basins · 0 lakes · 28 rivers
Hydrology metrics for this exact territory
Stream length here
14,7km
Basins crossed
3
Max stream order
4
Max drainage
3 557km²
Discharge in basins
0,2m³/s
Mean precip.
1 126mm/an
Mean T°
8,8°C
Moisture idx
0,48
Max snow
14%
Mean runoff
1 124mm/an
Mean elev. (basins)
196m
Watersheds crossing here
Rivers / streams (28, ord ≥ 4)
- Afon Mawddachord 4len here4.83 km13%total38 km
- Afon Cwrtord 4len here1.10 km33%total3 km
- Llyfnantord 2len here1.06 km16%total7 km
- Afon Dyfiord 4len here1.03 km4%total25 km
- Afon Dduord 1len here0.74 km12%total6 km
- Afon Einionord 2len here0.68 km10%total7 km
- Afon y Glynord 1len here0.66 km24%total3 km
- Afon Wnionord 3len here0.50 km3%total20 km
- Afon Cwm-lechanord 4len here0.50 km10%total5 km
- Afon Dwynantord 1len here0.50 km29%total2 km
- Afon Dyffryn-gwynord 1len here0.43 km5%total8 km
- Afon Cae-Faliord 1len here0.37 km32%total1 km
16 more river segmentssorted by Strahler order + length
- Afon Dwynantord 1len here0.37 km13%total3 km
- Afon Cletwrord 1len here0.32 km9%total4 km
- Afon Dwyrydord 2len here0.31 km7%total4 km
- Afon Glynord 1len here0.26 km4%total7 km
- Afon Prysorord 2len here0.25 km4%total6 km
- Afon Gwrilord 1len here0.23 km5%total4 km
- Afon Geirchord 2len here0.16 km4%total4 km
- Afon Dwyforord 3len here0.12 km1%total16 km
- Afon Dysynniord 3len here0.11 km0%total28 km
- Afon Cyllyfelinord 1len here0.06 km3%total2 km
- Afon Cwm-mynachord 2len here0.05 km1%total5 km
- Mill Raceord 2len here0.03 km1%total4 km
- Afon Wenord 2len here0.02 km0%total9 km
- Afon Leriord 2len here0.02 km0%total13 km
- Afon Wninord 1len here0.01 km1%total1 km
- Afon Clarachord 2len here0.00 km0%total3 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
- 52.68999, -4.44670
- 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.