Commune · CHN
Meishan
China
Species observed
201
Observations
493
Area
1 345,4km²
Ecological tissue
Sample of 29 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).
Indicateurs du tissu écologique
Tissu écologique de Meishan : 21 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 33 interactions GloBI sur 4 types (connectance 8.1%, filtre Serrano α=0.2). 8 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
201 distinct species · 493 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
17,4°C
Annual rain
1 242mm
Warmest m°
29,5°C
Coldest m°
2,9°C
Elevation: 468 m on average (min 392 m, max 847 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
6,7
Org. C
23,8g/kg
Clay
30,9%
Sand
26,2%
Silt
42,9%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: smGLiMaggregated to Meishan
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology8 basins · 10 lakes · 11 rivers
Hydrology metrics for this exact territory
Stream length here
228,4km
Lake surface here
2,67km²
Basins crossed
8
Max stream order
6
Max drainage
33 947km²
Discharge in basins
861,0m³/s
Mean precip.
1 383mm/an
Mean T°
16,9°C
Moisture idx
0,23
Max snow
1%
Mean runoff
740mm/an
Mean elev. (basins)
479m
Watersheds crossing here
- Bassin de 思蒙河sub-area680,4 km²overlap473.00 km²35%
- Bassin de 通济埝sub-area369 km²overlap323.82 km²24%
- Bassin de 岷江sub-area455,7 km²overlap161.97 km²12%
- Bassin de 鲫江河sub-area504,1 km²overlap157.36 km²12%
- Bassin de 岷江sub-area139,1 km²overlap126.92 km²9%
- Bassin de 岷江sub-area937,3 km²overlap61.69 km²5%
- Bassin de 沙溪河sub-area215,8 km²overlap21.12 km²2%
- Bassin de 临溪河sub-area818,7 km²overlap19.53 km²1%
Lakes (10, top by area)
- Lac 1378533area0,4 km²avg depth6.4 m
- Lac 1378931area0,4 km²avg depth4.7 m
- Lac 1378742area0,4 km²avg depth2.2 m
- Lac 1378666area0,2 km²avg depth4.0 m
- Lac 1378568area0,2 km²avg depth6.1 m
- Lac 1378870area0,2 km²avg depth4.3 m
- Lac 1378605area0,2 km²avg depth6.3 m
- Lac 1378618area0,2 km²avg depth2.0 m
- Lac 1378756area0,2 km²avg depth4.0 m
1 more lakes
Rivers / streams (11, ord ≥ 4)
- 思蒙河ord 4len here50.84 km77%total66 km
- 岷江ord 7len here49.42 km4%total1281 km
- 通济埝ord 2len here45.14 km100%total45 km
- 醴泉河ord 3len here33.09 km100%total33 km
- 鲫江河ord 3len here17.76 km32%total55 km
- 蟆颐堰ord 6len here14.83 km86%total17 km
- 穆家沟ord 2len here6.97 km100%total7 km
- 金花支渠ord 3len here6.26 km62%total10 km
- 檬子河ord 1len here3.26 km34%total10 km
- 蒲江ord 3len here0.67 km1%total60 km
- 沙溪河ord 6len here0.16 km0%total105 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
6hab/km²
Night light
1,7nW
Built-up
238,7%
Pesticides
72,7kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)