Ontologia

Commune · CHN

Yiwu

China

BWkArid, desert, cold(92 %)

Species observed

287

Observations

596

Area

19 617km²

Ecological tissue

Sample of 19 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 Yiwu : 16 espèces reliées par 15 interactions GloBI sur 2 types (connectance 8.8%, filtre Serrano α=0.2). 3 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
19
Interactions affichées
15
Connectance
0.088
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

287 distinct species · 596 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

596 obs · 11 cellules
Obs. / cellule
≥ 548
22–547
4–21
1–3
< 1

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

100mm

Warmest m°

29,9°C

Coldest m°

-14,9°C

Elevation: 1 179 m on average (min 290 m, max 4 541 m)

Bioclimatic detailsExpert
Annual mean temp.
8,2°C
Annual rain
100mm
Warmest month
29,9°C
Coldest month
-14,9°C
Mean alt.
1 179m
Min
290m
Max
4 541m
Std. dev.
765m
Köppen-Geiger (dominant)
BWkArid, desert, cold(92 %)Arid

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

Soil & lithology

pH H₂O

8,0

Org. C

9,8g/kg

Clay

25,2%

Sand

43,4%

Silt

31,5%

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

Dominant lithology: paGLiMaggregated to Hami

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,9
Org. C
12,4g/kg
Clay
25,4%
Sand
43,1%
Silt
31,5%
5–15 cm
pH H₂O
8,0
Org. C
9,4g/kg
Clay
25,6%
Sand
43,1%
Silt
31,3%
15–30 cm
pH H₂O
8,0
Org. C
7,6g/kg
Clay
24,5%
Sand
44,0%
Silt
31,6%

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

Land cover

Forest0.1%
Crops0.6%
Built-up0.0%
Bare soil85.9%
Other (grassland, water…)13.4%

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

Hydrology66 basins · 3 lakes · 5 rivers

Hydrology metrics for this exact territory

Stream length here

200,3km

Lake surface here

30,01km²

Basins crossed

66

Max stream order

4

Max drainage

21 093km²

Discharge in basins

61,7m³/s

Mean precip.

72mm/an

Mean T°

6,2°C

Moisture idx

-0,91

Max snow

38%

Mean runoff

14mm/an

Mean elev. (basins)

1 251m

Watersheds crossing here

57 more basins

Lakes (3, top by area)

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

Human pressure

Pop. density

0hab/km²

Night light

0,1nW

Built-up

1,1%

Pesticides

1,2kg/km²

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

Protected areas2

IUCN Not Applicable · 1IUCN Ib · 1

Great Gobi

IUCN Not Applicable

UNESCO-MAB Biosphere Reserve · 1975

54 996 km²

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