Ontologia

Subdivision · GBR

Llansteffan

United Kingdom

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

Species observed

2 204

Observations

7 101

Area

60,3km²

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 Llansteffan : 25 espèces reliées par 63 interactions GloBI sur 5 types (connectance 10.6%, filtre Serrano α=0.2). 10 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
35
Interactions affichées
63
Connectance
0.106
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

2 204 distinct species · 7 101 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

7 101 obs · 1 cellules
Obs. / cellule
≥ 7 101
7 101–7 100
7 101–7 100
7 101–7 100
< 7 101

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

Climate

Mean T°

10,4°C

Annual rain

1 369mm

Warmest m°

18,2°C

Coldest m°

3,1°C

Elevation: 64 m on average (min -3 m, max 130 m)

Bioclimatic detailsExpert
Annual mean temp.
10,4°C
Annual rain
1 369mm
Warmest month
18,2°C
Coldest month
3,1°C
Mean alt.
64m
Min
-3m
Max
130m
Std. dev.
30m
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

5,9

Org. C

50,3g/kg

Clay

24,9%

Sand

31,5%

Silt

43,6%

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

Dominant lithology: smGLiMaggregated to Carmarthenshire

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,9
Org. C
72,4g/kg
Clay
24,0%
Sand
31,5%
Silt
44,5%
5–15 cm
pH H₂O
5,9
Org. C
51,2g/kg
Clay
25,5%
Sand
31,5%
Silt
43,1%
15–30 cm
pH H₂O
5,8
Org. C
27,4g/kg
Clay
25,3%
Sand
31,5%
Silt
43,3%

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

Land cover

Forest11.0%
Crops33.3%
Built-up0.4%
Bare soil0.7%
Other (grassland, water…)54.6%

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

Hydrology3 basins · 0 lakes · 4 rivers

Hydrology metrics for this exact territory

Stream length here

9,2km

Basins crossed

3

Max stream order

4

Max drainage

1 320km²

Discharge in basins

0,4m³/s

Mean precip.

1 013mm/an

Mean T°

9,7°C

Moisture idx

0,43

Max snow

13%

Mean runoff

1 015mm/an

Mean elev. (basins)

110m

Watersheds crossing here

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

Human pressure

Pop. density

0hab/km²

Night light

0,3nW

Built-up

40,4%

Pesticides

29,6kg/km²

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

Protected areas13

IUCN IV · 10IUCN Not Reported · 2IUCN V · 1🌊 Marine · 7

Afon Tywi

IUCN IV

Site of Special Scientific Interest · 1998

13 km²

Complete list

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