Ontologia

Commune · CHN

Huai'an

China

BSkArid, steppe, cold(69 %)

Species observed

33

Observations

37

Area

1 684,6km²

Ecological tissue

Sample of 6 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 Huai'an : 6 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 3 interactions GloBI sur 2 types (connectance 20.0%, filtre Serrano α=0.2).

Espèces affichées
6
Interactions affichées
3
Connectance
0.200
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

33 distinct species · 37 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

37 obs · 5 cellules
Obs. / cellule
≥ 32
32–31
2–31
1–1
< 1

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

Climate

Mean T°

7,2°C

Annual rain

440mm

Warmest m°

27,5°C

Coldest m°

-16,8°C

Elevation: 1 097 m on average (min 671 m, max 1 881 m)

Bioclimatic detailsExpert
Annual mean temp.
7,2°C
Annual rain
440mm
Warmest month
27,5°C
Coldest month
-16,8°C
Mean alt.
1 097m
Min
671m
Max
1 881m
Std. dev.
219m
Köppen-Geiger (dominant)
BSkArid, steppe, cold(69 %)Arid

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

Soil & lithology

pH H₂O

8,2

Org. C

12,9g/kg

Clay

21,7%

Sand

42,1%

Silt

36,2%

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

Dominant lithology: paGLiMaggregated to Zhangjiakou

3 soil depths detailedExpert
0–5 cm
pH H₂O
8,1
Org. C
16,9g/kg
Clay
20,6%
Sand
42,8%
Silt
36,7%
5–15 cm
pH H₂O
8,2
Org. C
11,6g/kg
Clay
21,3%
Sand
42,5%
Silt
36,2%
15–30 cm
pH H₂O
8,2
Org. C
10,3g/kg
Clay
23,2%
Sand
41,1%
Silt
35,7%

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

Land cover

Forest7.1%
Crops34.5%
Built-up0.8%
Bare soil4.0%
Other (grassland, water…)53.5%

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

Hydrology9 basins · 3 lakes · 9 rivers

Hydrology metrics for this exact territory

Stream length here

278,5km

Lake surface here

1,12km²

Basins crossed

9

Max stream order

5

Max drainage

25 502km²

Discharge in basins

4,5m³/s

Mean precip.

386mm/an

Mean T°

6,0°C

Moisture idx

-0,58

Max snow

2%

Mean runoff

15mm/an

Mean elev. (basins)

1 195m

Watersheds crossing here

Lakes (3, top by area)

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

Human pressure

Pop. density

1hab/km²

Night light

0,4nW

Built-up

85,1%

Pesticides

68,9kg/km²

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