Ontologia

Commune · CHN

Hefei

China

CfaTemperate, no dry season, hot summer(100 %)

Species observed

898

Observations

9 889

Area

517,1km²

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 Hefei : 31 espèces reliées par 48 interactions GloBI sur 5 types (connectance 6.5%, filtre Serrano α=0.2). 8 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
39
Interactions affichées
48
Connectance
0.065
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

898 distinct species · 9 889 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

9 889 obs · 18 cellules
Obs. / cellule
≥ 3 318
1 753–3 317
664–1 752
261–663
< 261

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

Climate

Mean T°

16,4°C

Annual rain

1 126mm

Warmest m°

31,5°C

Coldest m°

-1,1°C

Elevation: 25 m on average (min 6 m, max 102 m)

Bioclimatic detailsExpert
Annual mean temp.
16,4°C
Annual rain
1 126mm
Warmest month
31,5°C
Coldest month
-1,1°C
Mean alt.
25m
Min
6m
Max
102m
Std. dev.
14m
Köppen-Geiger (dominant)
CfaTemperate, no dry season, hot summer(100 %)Temperate

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

Soil & lithology

pH H₂O

6,8

Org. C

11,3g/kg

Clay

37,1%

Sand

9,8%

Silt

53,0%

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

Dominant lithology: suGLiMaggregated to Hefei

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,7
Org. C
16,4g/kg
Clay
35,3%
Sand
10,0%
Silt
54,7%
5–15 cm
pH H₂O
6,8
Org. C
10,1g/kg
Clay
36,5%
Sand
9,9%
Silt
53,6%
15–30 cm
pH H₂O
6,9
Org. C
7,4g/kg
Clay
39,6%
Sand
9,6%
Silt
50,8%

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

Land cover

Forest8.4%
Crops17.0%
Built-up11.6%
Bare soil2.5%
Other (grassland, water…)60.5%

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

Hydrology8 basins · 6 lakes · 15 rivers

Hydrology metrics for this exact territory

Stream length here

129,1km

Lake surface here

64,61km²

Basins crossed

8

Max stream order

4

Max drainage

2 874km²

Discharge in basins

19,0m³/s

Mean precip.

944mm/an

Mean T°

16,0°C

Moisture idx

-0,14

Max snow

2%

Mean runoff

334mm/an

Mean elev. (basins)

31m

Watersheds crossing here

Lakes (6, top by area)

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

Human pressure

Pop. density

58hab/km²

Night light

26,2nW

Built-up

1 156,9%

Pesticides

75,9kg/km²

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