Ontologia

Commune · CHN

Wu'an

China

DwaCold, dry winter, hot summer(95 %)

Species observed

277

Observations

376

Area

1 843,5km²

Ecological tissue

Sample of 32 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 Wu'an : 24 espèces reliées par 37 interactions GloBI sur 4 types (connectance 7.5%, filtre Serrano α=0.2). 8 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
32
Interactions affichées
37
Connectance
0.075
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

277 distinct species · 376 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

376 obs · 22 cellules
Obs. / cellule
≥ 131
30–130
8–29
4–7
< 4

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

Climate

Mean T°

12,2°C

Annual rain

648mm

Warmest m°

29,0°C

Coldest m°

-7,7°C

Elevation: 496 m on average (min 81 m, max 1 569 m)

Bioclimatic detailsExpert
Annual mean temp.
12,2°C
Annual rain
648mm
Warmest month
29,0°C
Coldest month
-7,7°C
Mean alt.
496m
Min
81m
Max
1 569m
Std. dev.
300m
Köppen-Geiger (dominant)
DwaCold, dry winter, hot summer(95 %)Cold

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

Soil & lithology

pH H₂O

7,3

Org. C

19,0g/kg

Clay

23,3%

Sand

33,5%

Silt

43,2%

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

Dominant lithology: scGLiMaggregated to Handan

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,3
Org. C
29,3g/kg
Clay
21,5%
Sand
34,6%
Silt
43,9%
5–15 cm
pH H₂O
7,3
Org. C
16,1g/kg
Clay
23,3%
Sand
33,5%
Silt
43,3%
15–30 cm
pH H₂O
7,3
Org. C
11,6g/kg
Clay
25,2%
Sand
32,3%
Silt
42,4%

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

Land cover

Forest16.1%
Crops29.9%
Built-up3.4%
Bare soil4.1%
Other (grassland, water…)46.5%

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

Hydrology14 basins · 4 lakes · 7 rivers

Hydrology metrics for this exact territory

Stream length here

334,4km

Lake surface here

1,17km²

Basins crossed

14

Max stream order

4

Max drainage

19 912km²

Discharge in basins

7,0m³/s

Mean precip.

596mm/an

Mean T°

11,7°C

Moisture idx

-0,47

Max snow

2%

Mean runoff

56mm/an

Mean elev. (basins)

517m

Watersheds crossing here

5 more basins

Lakes (4, top by area)

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

Human pressure

Pop. density

3hab/km²

Night light

1,8nW

Built-up

342,6%

Pesticides

71,9kg/km²

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