Ontologia

County · USA

Yancey

United States

CfbTemperate, no dry season, warm summer(62 %)

Species observed

4 287

Observations

203 198

Area

807,3km²

Ecological tissue

Sample of 39 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 Yancey : 30 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 79 interactions GloBI sur 4 types (connectance 9.6%, filtre Serrano α=0.2). 11 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
41
Interactions affichées
79
Connectance
0.096
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

4 287 distinct species · 203 198 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

203 198 obs · 22 cellules
Obs. / cellule
≥ 42 724
22 232–42 723
9 636–22 231
5 182–9 635
< 5 182

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

Climate

Mean T°

10,5°C

Annual rain

1 502mm

Warmest m°

24,9°C

Coldest m°

-4,2°C

Elevation: 1 021 m on average (min 689 m, max 1 803 m)

Bioclimatic detailsExpert
Annual mean temp.
10,5°C
Annual rain
1 502mm
Warmest month
24,9°C
Coldest month
-4,2°C
Mean alt.
1 021m
Min
689m
Max
1 803m
Std. dev.
238m
Köppen-Geiger (dominant)
CfbTemperate, no dry season, warm summer(62 %)Temperate

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

Soil & lithology

pH H₂O

4,9

Org. C

49,4g/kg

Clay

21,5%

Sand

45,7%

Silt

32,8%

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

Dominant lithology: mtGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
4,8
Org. C
78,6g/kg
Clay
20,2%
Sand
46,1%
Silt
33,6%
5–15 cm
pH H₂O
4,9
Org. C
45,4g/kg
Clay
21,7%
Sand
45,6%
Silt
32,7%
15–30 cm
pH H₂O
5,0
Org. C
24,2g/kg
Clay
22,5%
Sand
45,3%
Silt
32,2%

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

Land cover

Forest81.3%
Crops1.1%
Built-up0.4%
Bare soil0.1%
Other (grassland, water…)17.0%

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

Hydrology7 basins · 0 lakes · 48 rivers

Hydrology metrics for this exact territory

Stream length here

234,0km

Basins crossed

7

Max stream order

4

Max drainage

3 514km²

Discharge in basins

20,9m³/s

Mean precip.

1 395mm/an

Mean T°

10,3°C

Moisture idx

0,21

Max snow

4%

Mean runoff

701mm/an

Mean elev. (basins)

1 030m

Watersheds crossing here

Rivers / streams (48, ord ≥ 4)

36 more river segments

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

Human pressure

Pop. density

0hab/km²

Night light

0,2nW

Built-up

40,5%

Pesticides

2,3kg/km²

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

Protected areas5

IUCN V · 4IUCN Ia · 1

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