Ontologia

Commune · CHN

Mianchi

China

DwaCold, dry winter, hot summer(89 %)

Species observed

60

Observations

80

Area

1 347,1km²

Ecological tissue

Sample of 21 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 Mianchi : 21 espèces reliées par 17 interactions GloBI sur 5 types (connectance 8.1%, filtre Serrano α=0.2).

Espèces affichées
21
Interactions affichées
17
Connectance
0.081
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

60 distinct species · 80 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

80 obs · 15 cellules
Obs. / cellule
≥ 38
19–37
2–18
1–1
< 1

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

Climate

Mean T°

12,6°C

Annual rain

644mm

Warmest m°

28,9°C

Coldest m°

-6,3°C

Elevation: 621 m on average (min 257 m, max 1 260 m)

Bioclimatic detailsExpert
Annual mean temp.
12,6°C
Annual rain
644mm
Warmest month
28,9°C
Coldest month
-6,3°C
Mean alt.
621m
Min
257m
Max
1 260m
Std. dev.
168m
Köppen-Geiger (dominant)
DwaCold, dry winter, hot summer(89 %)Cold

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

Soil & lithology

pH H₂O

7,7

Org. C

18,6g/kg

Clay

22,8%

Sand

28,1%

Silt

49,1%

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

Dominant lithology: suGLiMaggregated to Sanmenxia

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,6
Org. C
31,6g/kg
Clay
21,9%
Sand
28,8%
Silt
49,3%
5–15 cm
pH H₂O
7,7
Org. C
14,2g/kg
Clay
22,7%
Sand
28,1%
Silt
49,2%
15–30 cm
pH H₂O
7,7
Org. C
9,9g/kg
Clay
23,8%
Sand
27,5%
Silt
48,7%

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

Land cover

Forest22.9%
Crops30.0%
Built-up0.9%
Bare soil2.9%
Other (grassland, water…)43.3%

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

Hydrology9 basins · 1 lakes · 2 rivers

Hydrology metrics for this exact territory

Stream length here

147,5km

Lake surface here

5,19km²

Basins crossed

9

Max stream order

8

Max drainage

697 282km²

Discharge in basins

3 189,7m³/s

Mean precip.

592mm/an

Mean T°

12,6°C

Moisture idx

-0,48

Max snow

2%

Mean runoff

89mm/an

Mean elev. (basins)

536m

Watersheds crossing here

Lakes (1, top by area)

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

Human pressure

Pop. density

2hab/km²

Night light

0,7nW

Built-up

87,3%

Pesticides

72,6kg/km²

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