Ontologia

Commune · CHN

Hengnan

China

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

Species observed

34

Observations

67

Area

2 653,8km²

Ecological tissue

Sample of 15 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 Hengnan : 15 espèces reliées par 10 interactions GloBI sur 3 types (connectance 9.5%, filtre Serrano α=0.2).

Espèces affichées
15
Interactions affichées
10
Connectance
0.095
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

34 distinct species · 67 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

67 obs · 14 cellules
Obs. / cellule
≥ 26
10–25
4–9
3–3
< 3

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

Climate

Mean T°

18,9°C

Annual rain

1 659mm

Warmest m°

33,6°C

Coldest m°

2,9°C

Elevation: 110 m on average (min 53 m, max 650 m)

Bioclimatic detailsExpert
Annual mean temp.
18,9°C
Annual rain
1 659mm
Warmest month
33,6°C
Coldest month
2,9°C
Mean alt.
110m
Min
53m
Max
650m
Std. dev.
63m
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

5,6

Org. C

21,1g/kg

Clay

30,2%

Sand

27,1%

Silt

42,7%

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

Dominant lithology: smGLiMaggregated to Hengyang

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,6
Org. C
35,4g/kg
Clay
29,6%
Sand
27,6%
Silt
42,8%
5–15 cm
pH H₂O
5,6
Org. C
15,5g/kg
Clay
30,2%
Sand
26,9%
Silt
42,8%
15–30 cm
pH H₂O
5,7
Org. C
12,4g/kg
Clay
30,7%
Sand
26,7%
Silt
42,6%

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

Land cover

Forest35.1%
Crops30.0%
Built-up1.2%
Bare soil1.9%
Other (grassland, water…)31.8%

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

Hydrology18 basins · 12 lakes · 13 rivers

Hydrology metrics for this exact territory

Stream length here

408,9km

Lake surface here

4,36km²

Basins crossed

18

Max stream order

7

Max drainage

54 734km²

Discharge in basins

2 602,9m³/s

Mean precip.

1 448mm/an

Mean T°

18,1°C

Moisture idx

0,18

Mean runoff

815mm/an

Mean elev. (basins)

114m

Watersheds crossing here

9 more basins

Lakes (12, top by area)

3 more lakes

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

Human pressure

Pop. density

3hab/km²

Night light

0,3nW

Built-up

122,0%

Pesticides

71,3kg/km²

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