Ontologia

Prefecture City · CHN

Huai'an

China

CfaTemperate, no dry season, hot summer(74 %)

Species observed

748

Observations

2 497

Area

9 986,8km²

Ecological tissue

Sample of 39 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 : 27 espèces reliées par 74 interactions GloBI sur 6 types (connectance 9.0%, filtre Serrano α=0.2). 14 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
41
Interactions affichées
74
Connectance
0.090
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

748 distinct species · 2 497 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

2 497 obs · 127 cellules
Obs. / cellule
≥ 298
30–297
7–29
2–6
< 2

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

Climate

Mean T°

15,2°C

Annual rain

1 021mm

Warmest m°

30,7°C

Coldest m°

-2,6°C

Elevation: 15 m on average (min -0 m, max 178 m)

Bioclimatic detailsExpert
Annual mean temp.
15,2°C
Annual rain
1 021mm
Warmest month
30,7°C
Coldest month
-2,6°C
Mean alt.
15m
Min
-0m
Max
178m
Std. dev.
19m
Köppen-Geiger (dominant)
CfaTemperate, no dry season, hot summer(74 %)Temperate

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

12,5g/kg

Clay

31,6%

Sand

21,9%

Silt

46,5%

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

Dominant lithology: suGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,7
Org. C
19,8g/kg
Clay
30,5%
Sand
22,5%
Silt
47,0%
5–15 cm
pH H₂O
7,8
Org. C
10,3g/kg
Clay
31,4%
Sand
22,1%
Silt
46,5%
15–30 cm
pH H₂O
7,9
Org. C
7,4g/kg
Clay
32,8%
Sand
21,1%
Silt
46,1%

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

Land cover

Forest4.7%
Crops59.5%
Built-up2.3%
Bare soil2.3%
Other (grassland, water…)31.2%

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

Hydrology22 basins · 50 lakes · 50 rivers

Hydrology metrics for this exact territory

Stream length here

933,7km

Lake surface here

1 013,43km²

Basins crossed

22

Max stream order

7

Max drainage

167 109km²

Discharge in basins

5 750,8m³/s

Mean precip.

858mm/an

Mean T°

14,7°C

Moisture idx

-0,19

Max snow

5%

Mean runoff

268mm/an

Mean elev. (basins)

13m

Watersheds crossing here

13 more basins

Lakes (50, top by area)

41 more lakes

Rivers / streams (50, ord ≥ 4)

38 more river segments

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

Human pressure

Pop. density

4hab/km²

Night light

2,1nW

Built-up

230,8%

Pesticides

75,4kg/km²

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

Protected areas1

IUCN II · 1

WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN

Sub-administrations6