Ontologia

Commune · CHN

Changge

China

CwaTemperate, dry winter, hot summer(100 %)

Species observed

12

Observations

24

Area

645,8km²

Partial data for this territory

Few observations recorded here. Real biodiversity is likely richer.

Ecological tissue

Sample of 6 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 Changge : 6 espèces reliées par 4 interactions GloBI sur 3 types (connectance 26.7%, filtre Serrano α=0.2).

Espèces affichées
6
Interactions affichées
4
Connectance
0.267
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

12 distinct species · 24 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

24 obs · 5 cellules
Obs. / cellule
≥ 10
10–9
5–9
4–4
< 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

717mm

Warmest m°

31,5°C

Coldest m°

-3,9°C

Elevation: 90 m on average (min 65 m, max 176 m)

Bioclimatic detailsExpert
Annual mean temp.
15,1°C
Annual rain
717mm
Warmest month
31,5°C
Coldest month
-3,9°C
Mean alt.
90m
Min
65m
Max
176m
Std. dev.
17m
Köppen-Geiger (dominant)
CwaTemperate, dry winter, 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

7,9

Org. C

9,7g/kg

Clay

23,3%

Sand

27,0%

Silt

49,7%

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

Dominant lithology: ssGLiMaggregated to Xuchang

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,8
Org. C
15,5g/kg
Clay
21,9%
Sand
27,7%
Silt
50,3%
5–15 cm
pH H₂O
7,9
Org. C
7,4g/kg
Clay
23,0%
Sand
27,0%
Silt
50,0%
15–30 cm
pH H₂O
8,0
Org. C
6,2g/kg
Clay
24,9%
Sand
26,2%
Silt
48,9%

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

Land cover

Forest2.9%
Crops63.2%
Built-up6.3%
Bare soil1.5%
Other (grassland, water…)26.1%

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

Hydrology4 basins · 1 lakes · 5 rivers

Hydrology metrics for this exact territory

Stream length here

80,3km

Lake surface here

1,56km²

Basins crossed

4

Max stream order

3

Max drainage

3 487km²

Discharge in basins

3,4m³/s

Mean precip.

700mm/an

Mean T°

14,3°C

Moisture idx

-0,41

Max snow

3%

Mean runoff

136mm/an

Mean elev. (basins)

132m

Watersheds crossing here

Lakes (1, top by area)

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

Human pressure

Pop. density

10hab/km²

Night light

2,7nW

Built-up

625,8%

Pesticides

70,3kg/km²

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