Ontologia

Commune · CHN

Hechuan

China

CwaTemperate, dry winter, hot summer(94 %)

Species observed

114

Observations

330

Area

2 326,5km²

Ecological tissue

Sample of 23 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 Hechuan : 20 espèces reliées par 17 interactions GloBI sur 3 types (connectance 6.7%, filtre Serrano α=0.2). 3 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
23
Interactions affichées
17
Connectance
0.067
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

114 distinct species · 330 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

330 obs · 20 cellules
Obs. / cellule
≥ 72
49–71
21–48
8–20
< 8

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

Climate

Mean T°

18,3°C

Annual rain

1 244mm

Warmest m°

31,0°C

Coldest m°

4,1°C

Elevation: 314 m on average (min 213 m, max 1 128 m)

Bioclimatic detailsExpert
Annual mean temp.
18,3°C
Annual rain
1 244mm
Warmest month
31,0°C
Coldest month
4,1°C
Mean alt.
314m
Min
213m
Max
1 128m
Std. dev.
85m
Köppen-Geiger (dominant)
CwaTemperate, dry winter, hot summer(94 %)Temperate

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

Soil & lithology

pH H₂O

6,3

Org. C

21,8g/kg

Clay

29,4%

Sand

29,7%

Silt

40,9%

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

Dominant lithology: scGLiMaggregated to Chongqing

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,3
Org. C
36,6g/kg
Clay
29,1%
Sand
29,6%
Silt
41,3%
5–15 cm
pH H₂O
6,3
Org. C
15,2g/kg
Clay
29,0%
Sand
30,0%
Silt
41,0%
15–30 cm
pH H₂O
6,3
Org. C
13,6g/kg
Clay
29,9%
Sand
29,7%
Silt
40,3%

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

Land cover

Forest23.8%
Crops52.7%
Built-up1.0%
Bare soil0.9%
Other (grassland, water…)21.5%

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

Hydrology11 basins · 7 lakes · 30 rivers

Hydrology metrics for this exact territory

Stream length here

547,2km

Lake surface here

6,36km²

Basins crossed

11

Max stream order

8

Max drainage

159 180km²

Discharge in basins

4 246,0m³/s

Mean precip.

1 075mm/an

Mean T°

17,9°C

Moisture idx

0,00

Max snow

2%

Mean runoff

569mm/an

Mean elev. (basins)

337m

Watersheds crossing here

2 more basins

Lakes (7, top by area)

Rivers / streams (30, ord ≥ 4)

18 more river segments

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

Human pressure

Pop. density

4hab/km²

Night light

0,9nW

Built-up

101,7%

Pesticides

76,2kg/km²

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