Ontologia

Commune · CHN

Chunhua

China

DwaCold, dry winter, hot summer(83 %)

Species observed

117

Observations

180

Area

970,2km²

Ecological tissue

Sample of 33 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 Chunhua : 28 espèces reliées par 32 interactions GloBI sur 5 types (connectance 6.1%, filtre Serrano α=0.2). 5 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
33
Interactions affichées
32
Connectance
0.061
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

117 distinct species · 180 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

180 obs · 8 cellules
Obs. / cellule
≥ 110
110–109
16–109
4–15
< 4

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

Climate

Mean T°

11,9°C

Annual rain

583mm

Warmest m°

28,2°C

Coldest m°

-6,3°C

Elevation: 1 065 m on average (min 697 m, max 1 690 m)

Bioclimatic detailsExpert
Annual mean temp.
11,9°C
Annual rain
583mm
Warmest month
28,2°C
Coldest month
-6,3°C
Mean alt.
1 065m
Min
697m
Max
1 690m
Std. dev.
189m
Köppen-Geiger (dominant)
DwaCold, dry winter, hot summer(83 %)Cold

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

Soil & lithology

pH H₂O

7,8

Org. C

16,8g/kg

Clay

24,3%

Sand

24,5%

Silt

51,1%

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

Dominant lithology: ssGLiMaggregated to Xianyang

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,7
Org. C
29,6g/kg
Clay
23,5%
Sand
25,1%
Silt
51,4%
5–15 cm
pH H₂O
7,8
Org. C
12,3g/kg
Clay
24,0%
Sand
24,5%
Silt
51,4%
15–30 cm
pH H₂O
7,8
Org. C
8,5g/kg
Clay
25,4%
Sand
23,9%
Silt
50,7%

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

Land cover

Forest20.4%
Crops35.4%
Built-up0.6%
Bare soil2.2%
Other (grassland, water…)41.4%

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

Hydrology3 basins · 1 lakes · 4 rivers

Hydrology metrics for this exact territory

Stream length here

148,8km

Lake surface here

0,22km²

Basins crossed

3

Max stream order

6

Max drainage

43 310km²

Discharge in basins

21,9m³/s

Mean precip.

599mm/an

Mean T°

11,7°C

Moisture idx

-0,42

Max snow

1%

Mean runoff

92mm/an

Mean elev. (basins)

1 009m

Watersheds crossing here

Lakes (1, 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

58,9%

Pesticides

69,2kg/km²

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