Ontologia

Commune · CHN

Chenggu

China

CwaTemperate, dry winter, hot summer(78 %)

Species observed

767

Observations

2 002

Area

2 199,6km²

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 Chenggu : 21 espèces reliées par 17 interactions GloBI sur 3 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

767 distinct species · 2 002 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

2 002 obs · 23 cellules
Obs. / cellule
≥ 1 889
17–1 888
5–16
3–4
< 3

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

Climate

Mean T°

13,2°C

Annual rain

1 129mm

Warmest m°

26,9°C

Coldest m°

-3,2°C

Elevation: 931 m on average (min 470 m, max 2 290 m)

Bioclimatic detailsExpert
Annual mean temp.
13,2°C
Annual rain
1 129mm
Warmest month
26,9°C
Coldest month
-3,2°C
Mean alt.
931m
Min
470m
Max
2 290m
Std. dev.
392m
Köppen-Geiger (dominant)
CwaTemperate, dry winter, hot summer(78 %)Temperate

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

Soil & lithology

pH H₂O

6,5

Org. C

23,3g/kg

Clay

22,7%

Sand

32,6%

Silt

44,7%

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

Dominant lithology: scGLiMaggregated to Hanzhong

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,5
Org. C
41,1g/kg
Clay
22,5%
Sand
32,9%
Silt
44,7%
5–15 cm
pH H₂O
6,5
Org. C
17,9g/kg
Clay
22,7%
Sand
32,3%
Silt
45,0%
15–30 cm
pH H₂O
6,6
Org. C
11,0g/kg
Clay
22,9%
Sand
32,6%
Silt
44,6%

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

Land cover

Forest57.7%
Crops15.1%
Built-up0.7%
Bare soil0.8%
Other (grassland, water…)25.7%

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

Hydrology16 basins · 7 lakes · 5 rivers

Hydrology metrics for this exact territory

Stream length here

273,9km

Lake surface here

2,81km²

Basins crossed

16

Max stream order

5

Max drainage

13 887km²

Discharge in basins

261,4m³/s

Mean precip.

860mm/an

Mean T°

11,8°C

Moisture idx

-0,10

Max snow

5%

Mean runoff

441mm/an

Mean elev. (basins)

1 113m

Watersheds crossing here

7 more basins

Lakes (7, top by area)

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

Human pressure

Pop. density

1hab/km²

Night light

0,5nW

Built-up

65,5%

Pesticides

76,2kg/km²

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