Ontologia

County · USA

Somerset

United States

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

Species observed

3 370

Observations

292 441

Area

10 614,1km²

Ecological tissue

Sample of 38 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 Somerset : 28 espèces reliées par 72 interactions GloBI sur 4 types (connectance 10.2%, filtre Serrano α=0.2). 10 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
38
Interactions affichées
72
Connectance
0.102
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

3 370 distinct species · 292 441 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

292 441 obs · 270 cellules
Obs. / cellule
≥ 17 485
2 048–17 484
663–2 047
345–662
< 345

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

Climate

Mean T°

4,7°C

Annual rain

1 235mm

Warmest m°

23,3°C

Coldest m°

-15,4°C

Elevation: 357 m on average (min 35 m, max 914 m)

Bioclimatic detailsExpert
Annual mean temp.
4,7°C
Annual rain
1 235mm
Warmest month
23,3°C
Coldest month
-15,4°C
Mean alt.
357m
Min
35m
Max
914m
Std. dev.
154m
Köppen-Geiger (dominant)
DfbCold, no dry season, warm summer(100 %)Cold

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

Soil & lithology

pH H₂O

4,7

Org. C

116,4g/kg

Clay

13,1%

Sand

43,2%

Silt

43,7%

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

Dominant lithology: mtGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
4,6
Org. C
231,5g/kg
Clay
13,2%
Sand
42,2%
Silt
44,7%
5–15 cm
pH H₂O
4,7
Org. C
82,0g/kg
Clay
13,1%
Sand
42,7%
Silt
44,2%
15–30 cm
pH H₂O
4,9
Org. C
35,7g/kg
Clay
13,1%
Sand
44,6%
Silt
42,3%

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

Land cover

Forest77.9%
Crops3.4%
Built-up0.1%
Bare soil0.3%
Other (grassland, water…)18.3%

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

Hydrology26 basins · 50 lakes · 100 rivers

Hydrology metrics for this exact territory

Stream length here

2 232,6km

Lake surface here

306,55km²

Basins crossed

26

Max stream order

5

Max drainage

15 302km²

Discharge in basins

707,7m³/s

Mean precip.

1 034mm/an

Mean T°

3,9°C

Moisture idx

0,23

Max snow

47%

Mean runoff

723mm/an

Mean elev. (basins)

374m

Watersheds crossing here

17 more basins

Lakes (50, top by area)

41 more lakes

Rivers / streams (100, ord ≥ 4)

88 more river segments

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

Human pressure

Pop. density

0hab/km²

Night light

0,1nW

Built-up

8,0%

Pesticides

2,6kg/km²

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

Protected areas38

IUCN V · 30IUCN IV · 3IUCN Not Assigned · 2IUCN III · 2IUCN VI · 1

West Branch

IUCN Not Assigned

Conservation Easement · 2003

1 154 km²

Bigelow

IUCN V

Ecological Reserve · 1976

40 km²

Complete list

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