Ontologia

Commune · CHN

Majiang

China

CfaTemperate, no dry season, hot summer(99 %)

Species observed

233

Observations

323

Area

1 234,1km²

Ecological tissue

Sample of 30 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 Majiang : 27 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 29 interactions GloBI sur 3 types (connectance 6.7%, filtre Serrano α=0.2). 3 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
30
Interactions affichées
29
Connectance
0.067
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

233 distinct species · 323 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

323 obs · 12 cellules
Obs. / cellule
≥ 222
43–221
10–42
9–9
< 9

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

Climate

Mean T°

15,7°C

Annual rain

1 406mm

Warmest m°

27,2°C

Coldest m°

1,0°C

Elevation: 942 m on average (min 635 m, max 1 580 m)

Bioclimatic detailsExpert
Annual mean temp.
15,7°C
Annual rain
1 406mm
Warmest month
27,2°C
Coldest month
1,0°C
Mean alt.
942m
Min
635m
Max
1 580m
Std. dev.
189m
Köppen-Geiger (dominant)
CfaTemperate, no dry season, hot summer(99 %)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

30,8g/kg

Clay

28,7%

Sand

26,7%

Silt

44,5%

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

Dominant lithology: scGLiMaggregated to Qiandongnan Miao and Dong

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,9
Org. C
43,8g/kg
Clay
28,0%
Sand
27,5%
Silt
44,5%
5–15 cm
pH H₂O
6,0
Org. C
29,0g/kg
Clay
28,4%
Sand
26,6%
Silt
45,0%
15–30 cm
pH H₂O
6,0
Org. C
19,5g/kg
Clay
29,9%
Sand
26,0%
Silt
44,1%

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

Land cover

Forest49.2%
Crops18.0%
Built-up0.6%
Bare soil1.5%
Other (grassland, water…)30.7%

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

Hydrology8 basins · 0 lakes · 13 rivers

Hydrology metrics for this exact territory

Stream length here

203,9km

Basins crossed

8

Max stream order

4

Max drainage

2 747km²

Discharge in basins

61,8m³/s

Mean precip.

1 221mm/an

Mean T°

15,8°C

Moisture idx

0,09

Max snow

1%

Mean runoff

573mm/an

Mean elev. (basins)

936m

Watersheds crossing here

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

Human pressure

Pop. density

1hab/km²

Night light

0,6nW

Built-up

58,2%

Pesticides

81,3kg/km²

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