Ontologia

Commune · CHN

Changwu

China

DwaCold, dry winter, hot summer(100 %)

Species observed

15

Observations

18

Area

561km²

Partial data for this territory

Few observations recorded here. Real biodiversity is likely richer.

Ecological tissue

Sample of 7 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 Changwu : 7 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 4 interactions GloBI sur 2 types (connectance 19.0%, filtre Serrano α=0.2).

Espèces affichées
7
Interactions affichées
4
Connectance
0.191
Patrimoniales
1
Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Species present

15 distinct species · 18 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

18 obs · 2 cellules
Obs. / cellule
≥ 11
11–10
11–10
11–10
< 11

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

Climate

Mean T°

11,8°C

Annual rain

602mm

Warmest m°

29,0°C

Coldest m°

-6,7°C

Elevation: 1 076 m on average (min 854 m, max 1 251 m)

Bioclimatic detailsExpert
Annual mean temp.
11,8°C
Annual rain
602mm
Warmest month
29,0°C
Coldest month
-6,7°C
Mean alt.
1 076m
Min
854m
Max
1 251m
Std. dev.
89m
Köppen-Geiger (dominant)
DwaCold, dry winter, hot summer(100 %)Cold

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

15,1g/kg

Clay

23,2%

Sand

30,5%

Silt

46,3%

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
8,0
Org. C
28,1g/kg
Clay
23,0%
Sand
30,6%
Silt
46,4%
5–15 cm
pH H₂O
8,0
Org. C
9,9g/kg
Clay
23,1%
Sand
30,6%
Silt
46,3%
15–30 cm
pH H₂O
8,0
Org. C
7,2g/kg
Clay
23,4%
Sand
30,3%
Silt
46,3%

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

Land cover

Forest17.6%
Crops29.7%
Built-up1.1%
Bare soil1.9%
Other (grassland, water…)49.7%

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

Hydrology7 basins · 0 lakes · 4 rivers

Hydrology metrics for this exact territory

Stream length here

107,2km

Basins crossed

7

Max stream order

6

Max drainage

39 189km²

Discharge in basins

35,5m³/s

Mean precip.

601mm/an

Mean T°

10,5°C

Moisture idx

-0,40

Mean runoff

79mm/an

Mean elev. (basins)

1 183m

Watersheds crossing here

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

Human pressure

Pop. density

2hab/km²

Night light

1,4nW

Built-up

110,8%

Pesticides

70,2kg/km²

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