Ontologia

Commune · CHN

Handan shì

China

BSkArid, steppe, cold(62 %)

Species observed

9

Observations

10

Area

94,4km²

Partial data for this territory

Few observations recorded here. Real biodiversity is likely richer.

Ecological tissue

Sample of 3 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 Handan shì : 3 espèces reliées par 2 interactions GloBI sur 1 type (connectance 66.7%, filtre Serrano α=0.2).

Espèces affichées
3
Interactions affichées
2
Connectance
0.667
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

9 distinct species · 10 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

10 obs · 2 cellules
Obs. / cellule
≥ 9
9–8
9–8
9–8
< 9

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

Climate

Mean T°

14,6°C

Annual rain

526mm

Warmest m°

32,0°C

Coldest m°

-5,9°C

Elevation: 62 m on average (min 52 m, max 97 m)

Bioclimatic detailsExpert
Annual mean temp.
14,6°C
Annual rain
526mm
Warmest month
32,0°C
Coldest month
-5,9°C
Mean alt.
62m
Min
52m
Max
97m
Std. dev.
9m
Köppen-Geiger (dominant)
BSkArid, steppe, cold(62 %)Arid

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

9,7g/kg

Clay

28,0%

Sand

29,0%

Silt

43,0%

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
7,8
Org. C
11,1g/kg
Clay
26,6%
Sand
30,3%
Silt
43,2%
5–15 cm
pH H₂O
7,8
Org. C
9,9g/kg
Clay
28,0%
Sand
28,6%
Silt
43,4%
15–30 cm
pH H₂O
7,8
Org. C
8,1g/kg
Clay
29,4%
Sand
28,2%
Silt
42,4%

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

Land cover

Forest2.7%
Crops8.9%
Built-up22.4%
Bare soil2.5%
Other (grassland, water…)63.6%

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

Hydrology1 basins · 0 lakes · 1 rivers

Hydrology metrics for this exact territory

Stream length here

5,5km

Basins crossed

1

Max stream order

2

Max drainage

1 704km²

Discharge in basins

0,3m³/s

Mean precip.

545mm/an

Mean T°

13,6°C

Moisture idx

-0,54

Max snow

1%

Mean runoff

35mm/an

Mean elev. (basins)

89m

Watersheds crossing here

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

Human pressure

Pop. density

101hab/km²

Night light

21,2nW

Built-up

2 237,2%

Pesticides

75,1kg/km²

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