Ontologia

Subdivision · GBR

Caerhun

United Kingdom

CfbTemperate, no dry season, warm summer(94 %)

Species observed

5 790

Observations

89 985

Area

77,2km²

Ecological tissue

Sample of 31 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 Caerhun : 25 espèces reliées par 50 interactions GloBI sur 5 types (connectance 10.8%, filtre Serrano α=0.2). 6 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
31
Interactions affichées
50
Connectance
0.107
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

5 790 distinct species · 89 985 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

89 985 obs · 3 cellules
Obs. / cellule
≥ 63 297
63 297–63 296
63 297–63 296
15 507–63 296
< 15 507

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 383mm

Warmest m°

17,6°C

Coldest m°

0,6°C

Elevation: 319 m on average (min -12 m, max 882 m)

Bioclimatic detailsExpert
Annual mean temp.
8,6°C
Annual rain
1 383mm
Warmest month
17,6°C
Coldest month
0,6°C
Mean alt.
319m
Min
-12m
Max
882m
Std. dev.
234m
Köppen-Geiger (dominant)
CfbTemperate, no dry season, warm summer(94 %)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

153,6g/kg

Clay

20,8%

Sand

37,8%

Silt

41,4%

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
5,0
Org. C
177,8g/kg
Clay
20,3%
Sand
37,8%
Silt
41,9%
5–15 cm
pH H₂O
5,0
Org. C
187,7g/kg
Clay
20,5%
Sand
37,9%
Silt
41,5%
15–30 cm
pH H₂O
5,1
Org. C
95,3g/kg
Clay
21,6%
Sand
37,6%
Silt
40,8%

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

Land cover

Forest9.4%
Crops30.1%
Built-up0.2%
Bare soil0.7%
Other (grassland, water…)59.6%

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

Hydrology1 basins · 1 lakes · 5 rivers

Hydrology metrics for this exact territory

Stream length here

28,7km

Lake surface here

0,31km²

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 (1, 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

23,7%

Pesticides

12,3kg/km²

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

Protected areas13

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

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