Ontologia

Commune · CHN

Meitan

China

CfaTemperate, no dry season, hot summer(100 %)

Species observed

817

Observations

1 815

Area

1 839,9km²

Ecological tissue

Sample of 28 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 Meitan : 25 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 26 interactions GloBI sur 4 types (connectance 6.9%, filtre Serrano α=0.2). 3 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
28
Interactions affichées
26
Connectance
0.069
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

817 distinct species · 1 815 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

1 815 obs · 20 cellules
Obs. / cellule
≥ 1 642
31–1 641
20–30
4–19
< 4

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

Climate

Mean T°

15,1°C

Annual rain

1 219mm

Warmest m°

27,8°C

Coldest m°

0,4°C

Elevation: 947 m on average (min 632 m, max 1 429 m)

Bioclimatic detailsExpert
Annual mean temp.
15,1°C
Annual rain
1 219mm
Warmest month
27,8°C
Coldest month
0,4°C
Mean alt.
947m
Min
632m
Max
1 429m
Std. dev.
136m
Köppen-Geiger (dominant)
CfaTemperate, no dry season, hot summer(100 %)Temperate

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

Soil & lithology

pH H₂O

5,9

Org. C

27,6g/kg

Clay

32,9%

Sand

23,6%

Silt

43,4%

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

Dominant lithology: scGLiMaggregated to Zunyi

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,9
Org. C
44,0g/kg
Clay
31,7%
Sand
24,8%
Silt
43,5%
5–15 cm
pH H₂O
5,9
Org. C
23,4g/kg
Clay
32,5%
Sand
23,6%
Silt
43,9%
15–30 cm
pH H₂O
5,9
Org. C
15,5g/kg
Clay
34,7%
Sand
22,5%
Silt
42,8%

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

Land cover

Forest58.2%
Crops14.5%
Built-up0.4%
Bare soil0.7%
Other (grassland, water…)26.2%

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

Hydrology12 basins · 4 lakes · 10 rivers

Hydrology metrics for this exact territory

Stream length here

218,5km

Lake surface here

1,19km²

Basins crossed

12

Max stream order

6

Max drainage

45 797km²

Discharge in basins

231,4m³/s

Mean precip.

1 158mm/an

Mean T°

15,2°C

Moisture idx

0,07

Max snow

1%

Mean runoff

604mm/an

Mean elev. (basins)

958m

Watersheds crossing here

3 more basins

Lakes (4, top by area)

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

Human pressure

Pop. density

1hab/km²

Night light

0,3nW

Built-up

37,3%

Pesticides

81,5kg/km²

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