Ruisseau
Afon Gamlan
Crosses 1 administrative regions : NA
Total length
9km
Max discharge
0,6m³/s
Max Strahler
1
Segments matched
1
River geography1 admin regions · 0 communes
1 administrative regions crossed (GADM L2)
- NAWales · United Kingdom4.9 kmin this dpt
9 intersecting protected areas
Eryri
IUCN VNational Park
Rhinog
IUCN IVSite of Special Scientific Interest
Rhinog
IUCN Not ReportedEmerald Network
Emerald Network
Dolmelynllyn Estate
IUCN VNature Reserve
Site of Special Scientific Interest
Afon Eden - Cors Goch Trawsfynydd
IUCN Not ReportedEmerald Network
Ganllwyd
IUCN IVSite of Special Scientific Interest
Coed Ganllwyd
IUCN IVNational Nature Reserve
1 page = 1 named river (aggregation of 1 HydroRIVERS v10 segment). Spatial join cached after first hit.
Species present
1 277 distinct species · 5 800 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 46 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 Gamlan : 38 espèces dont 3 patrimoniales (LR IUCN CR/EN/VU) reliées par 83 interactions GloBI sur 6 types (connectance 8.0%, filtre Serrano α=0.2). 8 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
9km
Max discharge
0,6m³/s
Max Strahler
1
Segments matched
1
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.