Ruisseau
Afon Cyllyfelin
Crosses 1 administrative regions : NA
Total length
8km
Max discharge
0,1m³/s
Max Strahler
1
Segments matched
1
River geography1 admin regions · 0 communes
1 administrative regions crossed (GADM L2)
- NAWales · United Kingdom1.6 kmin this dpt
11 intersecting protected areas
West Wales Marine / Gorllewin Cymru Forol
IUCN Not ReportedEmerald Network
West Wales Marine / Gorllewin Cymru Forol
IUCN Not AssignedMarine Protected Area (OSPAR)
Pen Llŷn a`r Sarnau/ Lleyn Peninsula and the Sarnau
IUCN Not ReportedEmerald Network
Pen Llyn a`r Sarnau / Lleyn Peninsula and the Sarnau
IUCN Not ReportedMarine Protected Area (OSPAR)
Glannau Aberdaron ac Ynys Enlli/ Aberdaron Coast and Bardsey Island
IUCN Not ReportedEmerald Network
Marine Protected Area (OSPAR)
Llyn
IUCN VArea Of Outstanding Natural Beauty
Clogwyni Pen Llŷn/ Seacliffs of Lleyn
IUCN Not ReportedEmerald Network
Glannau Aberdaron
IUCN IVSite of Special Scientific Interest
2 more protected areassorted by area
Llyn Coast
IUCN Not AssignedHeritage Coast
Nature Reserve
1 page = 1 named river (aggregation of 1 HydroRIVERS v10 segment). Spatial join cached after first hit.
Species present
3 711 distinct species · 22 457 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 36 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 Cyllyfelin : 27 espèces reliées par 72 interactions GloBI sur 4 types (connectance 10.8%, filtre Serrano α=0.2). 10 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydrology (HydroRIVERS v10)
Total length
8km
Max discharge
0,1m³/s
Max Strahler
1
Segments matched
1
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.