Ontologia

Commune · CHN

Mei

China

CwaTemperate, dry winter, hot summer(55 %)

Species observed

2 248

Observations

16 695

Area

838,6km²

Ecological tissue

Sample of 5 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 Mei : 4 espèces reliées par 3 interactions GloBI sur 1 type (connectance 30.0%, filtre Serrano α=0.2). 1 bulle taxonomique (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
5
Interactions affichées
3
Connectance
0.300
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

2 248 distinct species · 16 695 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

16 695 obs · 22 cellules
Obs. / cellule
≥ 14 689
291–14 688
90–290
34–89
< 34

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

Climate

Mean T°

11,2°C

Annual rain

923mm

Warmest m°

26,1°C

Coldest m°

-6,4°C

Elevation: 1 103 m on average (min 444 m, max 3 384 m)

Bioclimatic detailsExpert
Annual mean temp.
11,2°C
Annual rain
923mm
Warmest month
26,1°C
Coldest month
-6,4°C
Mean alt.
1 103m
Min
444m
Max
3 384m
Std. dev.
688m
Köppen-Geiger (dominant)
CwaTemperate, dry winter, hot summer(55 %)Temperate

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

Soil & lithology

pH H₂O

7,1

Org. C

19,1g/kg

Clay

24,1%

Sand

28,1%

Silt

47,8%

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

Dominant lithology: ssGLiMaggregated to Baoji

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,1
Org. C
31,7g/kg
Clay
22,9%
Sand
28,9%
Silt
48,2%
5–15 cm
pH H₂O
7,1
Org. C
15,5g/kg
Clay
24,0%
Sand
27,9%
Silt
48,0%
15–30 cm
pH H₂O
7,1
Org. C
10,3g/kg
Clay
25,4%
Sand
27,4%
Silt
47,3%

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

Land cover

Forest42.1%
Crops27.1%
Built-up1.9%
Bare soil0.9%
Other (grassland, water…)28.1%

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

Hydrology7 basins · 0 lakes · 10 rivers

Hydrology metrics for this exact territory

Stream length here

182,0km

Basins crossed

7

Max stream order

6

Max drainage

38 300km²

Discharge in basins

189,4m³/s

Mean precip.

728mm/an

Mean T°

11,5°C

Moisture idx

-0,25

Max snow

6%

Mean runoff

226mm/an

Mean elev. (basins)

1 060m

Watersheds crossing here

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

Human pressure

Pop. density

3hab/km²

Night light

0,8nW

Built-up

189,3%

Pesticides

77,9kg/km²

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