Ontologia

Subdivision · GBR

Blaen Hafren

United Kingdom

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

Species observed

3 863

Observations

66 760

Area

269,1km²

Ecological tissue

Sample of 45 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 Blaen Hafren : 40 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 86 interactions GloBI sur 5 types (connectance 8.7%, filtre Serrano α=0.2). 5 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
45
Interactions affichées
86
Connectance
0.087
Patrimoniales
1
Plus dense que (national)0 %(top 100%)

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

Species present

3 863 distinct species · 66 760 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

66 760 obs · 7 cellules
Obs. / cellule
≥ 30 642
30 642–30 641
6 774–30 641
4 635–6 773
< 4 635

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

Climate

Mean T°

8,2°C

Annual rain

1 949mm

Warmest m°

17,4°C

Coldest m°

0,1°C

Elevation: 350 m on average (min 145 m, max 652 m)

Bioclimatic detailsExpert
Annual mean temp.
8,2°C
Annual rain
1 949mm
Warmest month
17,4°C
Coldest month
0,1°C
Mean alt.
350m
Min
145m
Max
652m
Std. dev.
93m
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

5,1

Org. C

117,4g/kg

Clay

19,4%

Sand

30,2%

Silt

50,3%

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
5,0
Org. C
143,9g/kg
Clay
19,1%
Sand
29,7%
Silt
51,2%
5–15 cm
pH H₂O
5,1
Org. C
134,8g/kg
Clay
19,3%
Sand
29,7%
Silt
51,0%
15–30 cm
pH H₂O
5,1
Org. C
73,5g/kg
Clay
19,9%
Sand
31,2%
Silt
48,8%

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

Land cover

Forest17.7%
Crops29.1%
Built-up0.2%
Bare soil0.5%
Other (grassland, water…)52.6%

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

Hydrology4 basins · 1 lakes · 21 rivers

Hydrology metrics for this exact territory

Stream length here

111,1km

Lake surface here

1,77km²

Basins crossed

4

Max stream order

3

Max drainage

1 047km²

Discharge in basins

9,1m³/s

Mean precip.

1 265mm/an

Mean T°

8,1°C

Moisture idx

0,51

Max snow

14%

Mean runoff

1 046mm/an

Mean elev. (basins)

282m

Watersheds crossing here

Lakes (1, top by area)

Rivers / streams (21, ord ≥ 4)

9 more river segments

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

Human pressure

Pop. density

0hab/km²

Night light

0,0nW

Built-up

16,3%

Pesticides

26,5kg/km²

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

Protected areas16

IUCN IV · 13IUCN Not Reported · 3🌊 Marine · 1

Elenydd

IUCN IV

Site of Special Scientific Interest · 1954

227 km²

Complete list

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