Ontologia

Subdivision · GBR

Trefriw

United Kingdom

CfbTemperate, no dry season, warm summer(100 %)

Species observed

4 603

Observations

29 429

Area

52,9km²

Ecological tissue

Sample of 32 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).

RègnesAnimalPlanteChampignonBacterie
RelationsPredationParasitismeSymbiosePollinisation
StatutEn dangerVulnérableProtégéeEndémique

Indicateurs du tissu écologique

Tissu écologique de Trefriw : 25 espèces reliées par 67 interactions GloBI sur 5 types (connectance 11.3%, filtre Serrano α=0.2). 10 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
35
Interactions affichées
67
Connectance
0.113
Patrimoniales
0
Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Species present

4 603 distinct species · 29 429 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

29 429 obs · 2 cellules
Obs. / cellule
≥ 15 041
15 041–15 040
15 041–15 040
15 041–15 040
< 15 041

Source : GBIF — observations agrégées par hexagones 0.027° × 0.027° (~22km), filtre précision coordonnée < 10 km. Fond carte : OpenFreeMap · © OpenStreetMap.

Climate

Mean T°

8,6°C

Annual rain

1 497mm

Warmest m°

17,7°C

Coldest m°

0,5°C

Elevation: 293 m on average (min 11 m, max 580 m)

Bioclimatic detailsExpert
Annual mean temp.
8,6°C
Annual rain
1 497mm
Warmest month
17,7°C
Coldest month
0,5°C
Mean alt.
293m
Min
11m
Max
580m
Std. dev.
143m
Köppen-Geiger (dominant)
CfbTemperate, no dry season, warm summer(100 %)Temperate

CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)

Soil & lithology

pH H₂O

5,0

Org. C

171,0g/kg

Clay

18,5%

Sand

37,2%

Silt

44,3%

Average over 0-30 cm. Per-depth details in expert panel.

Dominant lithology: vaGLiMaggregated to Conwy

3 soil depths detailedExpert
0–5 cm
pH H₂O
4,9
Org. C
198,3g/kg
Clay
18,1%
Sand
37,2%
Silt
44,6%
5–15 cm
pH H₂O
5,0
Org. C
199,7g/kg
Clay
18,3%
Sand
37,1%
Silt
44,6%
15–30 cm
pH H₂O
5,0
Org. C
115,1g/kg
Clay
19,0%
Sand
37,4%
Silt
43,6%

SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)

Land cover

Forest24.3%
Crops27.1%
Built-up0.1%
Bare soil0.8%
Other (grassland, water…)47.8%

Copernicus Global Land Cover 100m (Buchhorn et al. 2020)

Hydrology1 basins · 3 lakes · 5 rivers

Hydrology metrics for this exact territory

Stream length here

24,8km

Lake surface here

1,42km²

Basins crossed

1

Max stream order

3

Max drainage

3 557km²

Discharge in basins

0,0m³/s

Mean precip.

1 086mm/an

Mean T°

8,8°C

Moisture idx

0,46

Max snow

12%

Mean runoff

1 100mm/an

Mean elev. (basins)

189m

Watersheds crossing here

Lakes (3, top by area)

Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10

Human pressure

Pop. density

0hab/km²

Night light

0,2nW

Built-up

13,9%

Pesticides

6,4kg/km²

GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)

Protected areas14

IUCN IV · 10IUCN V · 2IUCN Not Reported · 2🌊 Marine · 1

Eryri

IUCN V

National Park · 1951

2 140 km²

Eryri

IUCN IV

Site of Special Scientific Interest · 1971

204 km²

Complete list

WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN