Ontologia

Commune · CHN

Chengwu

China

CwaTemperate, dry winter, hot summer(100 %)

Species observed

38

Observations

39

Area

1 019,2km²

Ecological tissue

Sample of 17 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 Chengwu : 16 espèces reliées par 13 interactions GloBI sur 3 types (connectance 9.6%, filtre Serrano α=0.2). 1 bulle taxonomique (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
17
Interactions affichées
13
Connectance
0.096
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

38 distinct species · 39 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

39 obs · 7 cellules
Obs. / cellule
≥ 31
31–30
1–30
1–0
< 1

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

Climate

Mean T°

14,8°C

Annual rain

682mm

Warmest m°

31,2°C

Coldest m°

-4,5°C

Elevation: 43 m on average (min 37 m, max 46 m)

Bioclimatic detailsExpert
Annual mean temp.
14,8°C
Annual rain
682mm
Warmest month
31,2°C
Coldest month
-4,5°C
Mean alt.
43m
Min
37m
Max
46m
Std. dev.
2m
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

8,0

Org. C

5,5g/kg

Clay

19,9%

Sand

19,7%

Silt

60,4%

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

Dominant lithology: wbGLiMaggregated to Heze

3 soil depths detailedExpert
0–5 cm
pH H₂O
8,0
Org. C
7,1g/kg
Clay
19,4%
Sand
19,6%
Silt
60,9%
5–15 cm
pH H₂O
8,0
Org. C
4,8g/kg
Clay
19,0%
Sand
20,1%
Silt
61,0%
15–30 cm
pH H₂O
8,0
Org. C
4,8g/kg
Clay
21,3%
Sand
19,3%
Silt
59,5%

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

Land cover

Forest2.8%
Crops70.6%
Built-up3.8%
Bare soil1.7%
Other (grassland, water…)21.2%

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

Hydrology4 basins · 1 lakes · 11 rivers

Hydrology metrics for this exact territory

Stream length here

157,7km

Lake surface here

0,28km²

Basins crossed

4

Max stream order

4

Max drainage

3 227km²

Discharge in basins

3,5m³/s

Mean precip.

683mm/an

Mean T°

14,3°C

Moisture idx

-0,42

Max snow

1%

Mean runoff

84mm/an

Mean elev. (basins)

46m

Watersheds crossing here

Lakes (1, top by area)

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

Human pressure

Pop. density

4hab/km²

Night light

1,3nW

Built-up

377,1%

Pesticides

72,1kg/km²

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