Ontologia

Subdivision · GBR

Cwm-twrch

United Kingdom

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

Species observed

2 291

Observations

25 472

Area

13,1km²

Ecological tissue

Sample of 34 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 Cwm-twrch : 24 espèces reliées par 83 interactions GloBI sur 5 types (connectance 13.2%, filtre Serrano α=0.2). 12 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
36
Interactions affichées
83
Connectance
0.132
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

2 291 distinct species · 25 472 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

25 472 obs · 1 cellules
Obs. / cellule
≥ 25 472
25 472–25 471
25 472–25 471
25 472–25 471
< 25 472

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

Climate

Mean T°

9,3°C

Annual rain

1 876mm

Warmest m°

18,5°C

Coldest m°

1,0°C

Elevation: 216 m on average (min 96 m, max 447 m)

Bioclimatic detailsExpert
Annual mean temp.
9,3°C
Annual rain
1 876mm
Warmest month
18,5°C
Coldest month
1,0°C
Mean alt.
216m
Min
96m
Max
447m
Std. dev.
80m
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

5,4

Org. C

80,9g/kg

Clay

22,8%

Sand

31,2%

Silt

46,0%

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

Dominant lithology: ssGLiMaggregated to Powys

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,4
Org. C
96,6g/kg
Clay
22,4%
Sand
31,2%
Silt
46,4%
5–15 cm
pH H₂O
5,3
Org. C
91,8g/kg
Clay
23,0%
Sand
30,7%
Silt
46,3%
15–30 cm
pH H₂O
5,4
Org. C
54,2g/kg
Clay
23,0%
Sand
31,7%
Silt
45,3%

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

Land cover

Forest12.2%
Crops34.2%
Built-up0.9%
Bare soil0.5%
Other (grassland, water…)52.1%

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

Hydrology1 basins · 0 lakes · 3 rivers

Hydrology metrics for this exact territory

Stream length here

12,5km

Basins crossed

1

Max stream order

2

Max drainage

489km²

Discharge in basins

0,0m³/s

Mean precip.

1 248mm/an

Mean T°

9,7°C

Moisture idx

0,51

Max snow

8%

Mean runoff

1 060mm/an

Mean elev. (basins)

161m

Watersheds crossing here

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

Human pressure

Pop. density

1hab/km²

Night light

0,5nW

Built-up

92,2%

Pesticides

27,4kg/km²

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

Protected areas3

IUCN IV · 2IUCN V · 1

Cwm Twrch

IUCN IV

Site of Special Scientific Interest · 1988

0 km²

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