Ontologia

Commune · CHN

Miquan

China

BSkArid, steppe, cold(63 %)

Species observed

178

Observations

402

Area

3 216,2km²

Ecological tissue

Sample of 31 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 Miquan : 29 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) + 2 bulles famille, 38 interactions GloBI documentées sur 4 types (connectance 8.2%, filtre Serrano α=0.2). Les 2 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).

Espèces affichées
31
Interactions affichées
38
Connectance
0.082
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

178 distinct species · 402 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

402 obs · 29 cellules
Obs. / cellule
≥ 105
43–104
11–42
7–10
< 7

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

Climate

Mean T°

8,0°C

Annual rain

201mm

Warmest m°

31,5°C

Coldest m°

-18,4°C

Elevation: 615 m on average (min 423 m, max 3 742 m)

Bioclimatic detailsExpert
Annual mean temp.
8,0°C
Annual rain
201mm
Warmest month
31,5°C
Coldest month
-18,4°C
Mean alt.
615m
Min
423m
Max
3 742m
Std. dev.
397m
Köppen-Geiger (dominant)
BSkArid, steppe, cold(63 %)Arid

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

Soil & lithology

pH H₂O

8,5

Org. C

15,3g/kg

Clay

26,3%

Sand

36,9%

Silt

36,8%

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

Dominant lithology: smGLiMaggregated to Changji Hui

3 soil depths detailedExpert
0–5 cm
pH H₂O
8,4
Org. C
22,4g/kg
Clay
26,0%
Sand
37,1%
Silt
37,0%
5–15 cm
pH H₂O
8,5
Org. C
14,2g/kg
Clay
26,4%
Sand
37,0%
Silt
36,6%
15–30 cm
pH H₂O
8,5
Org. C
9,4g/kg
Clay
26,6%
Sand
36,6%
Silt
36,8%

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

Land cover

Forest2.6%
Crops7.4%
Built-up1.1%
Bare soil25.9%
Other (grassland, water…)63.1%

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

Hydrology23 basins · 8 lakes · 9 rivers

Hydrology metrics for this exact territory

Stream length here

252,3km

Lake surface here

28,44km²

Basins crossed

23

Max stream order

6

Max drainage

20 449km²

Discharge in basins

17,1m³/s

Mean precip.

186mm/an

Mean T°

7,3°C

Moisture idx

-0,81

Max snow

31%

Mean runoff

10mm/an

Mean elev. (basins)

672m

Watersheds crossing here

14 more basins

Lakes (8, top by area)

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

Human pressure

Pop. density

1hab/km²

Night light

1,7nW

Built-up

107,4%

Pesticides

33,0kg/km²

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