Ontologia

Commune · CHN

Yanchi

China

BSkArid, steppe, cold(100 %)

Species observed

524

Observations

2 580

Area

6 766,4km²

Ecological tissue

Sample of 14 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 Yanchi : 12 espèces reliées par 12 interactions GloBI sur 2 types (connectance 13.2%, filtre Serrano α=0.2). 2 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
14
Interactions affichées
12
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

524 distinct species · 2 580 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

2 580 obs · 26 cellules
Obs. / cellule
≥ 2 441
23–2 440
6–22
3–5
< 3

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

Climate

Mean T°

8,8°C

Annual rain

312mm

Warmest m°

27,6°C

Coldest m°

-12,2°C

Elevation: 1 487 m on average (min 1 292 m, max 1 898 m)

Bioclimatic detailsExpert
Annual mean temp.
8,8°C
Annual rain
312mm
Warmest month
27,6°C
Coldest month
-12,2°C
Mean alt.
1 487m
Min
1 292m
Max
1 898m
Std. dev.
105m
Köppen-Geiger (dominant)
BSkArid, steppe, cold(100 %)Arid

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

Soil & lithology

pH H₂O

8,3

Org. C

7,3g/kg

Clay

15,1%

Sand

55,5%

Silt

29,4%

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

Dominant lithology: suGLiMaggregated to Wuzhong

3 soil depths detailedExpert
0–5 cm
pH H₂O
8,2
Org. C
9,2g/kg
Clay
14,4%
Sand
56,6%
Silt
29,0%
5–15 cm
pH H₂O
8,3
Org. C
5,4g/kg
Clay
14,5%
Sand
56,0%
Silt
29,5%
15–30 cm
pH H₂O
8,3
Org. C
7,3g/kg
Clay
16,5%
Sand
53,9%
Silt
29,6%

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

Land cover

Forest0.1%
Crops21.3%
Built-up0.1%
Bare soil13.3%
Other (grassland, water…)65.2%

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

Hydrology14 basins · 4 lakes · 4 rivers

Hydrology metrics for this exact territory

Stream length here

155,0km

Lake surface here

2,84km²

Basins crossed

14

Max stream order

4

Max drainage

4 291km²

Discharge in basins

1,4m³/s

Mean precip.

298mm/an

Mean T°

7,8°C

Moisture idx

-0,71

Max snow

3%

Mean runoff

6mm/an

Mean elev. (basins)

1 454m

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

Human pressure

Pop. density

0hab/km²

Night light

0,5nW

Built-up

14,9%

Pesticides

57,7kg/km²

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