Ontologia

Commune · CHN

Chaotian

China

CwaTemperate, dry winter, hot summer(77 %)

Species observed

266

Observations

955

Area

1 615,4km²

Ecological tissue

Sample of 29 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 Chaotian : 24 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 30 interactions GloBI sur 4 types (connectance 7.4%, filtre Serrano α=0.2). 5 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
29
Interactions affichées
30
Connectance
0.074
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

266 distinct species · 955 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

955 obs · 17 cellules
Obs. / cellule
≥ 704
58–703
20–57
16–19
< 16

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

Climate

Mean T°

13,0°C

Annual rain

1 182mm

Warmest m°

26,2°C

Coldest m°

-2,8°C

Elevation: 1 061 m on average (min 533 m, max 1 830 m)

Bioclimatic detailsExpert
Annual mean temp.
13,0°C
Annual rain
1 182mm
Warmest month
26,2°C
Coldest month
-2,8°C
Mean alt.
1 061m
Min
533m
Max
1 830m
Std. dev.
295m
Köppen-Geiger (dominant)
CwaTemperate, dry winter, hot summer(77 %)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

22,1g/kg

Clay

25,5%

Sand

26,7%

Silt

47,8%

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

Dominant lithology: smGLiMaggregated to Guangyuan

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,3
Org. C
37,9g/kg
Clay
25,1%
Sand
26,9%
Silt
48,1%
5–15 cm
pH H₂O
6,3
Org. C
16,7g/kg
Clay
25,8%
Sand
26,8%
Silt
47,4%
15–30 cm
pH H₂O
6,3
Org. C
11,6g/kg
Clay
25,7%
Sand
26,6%
Silt
47,8%

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

Land cover

Forest65.2%
Crops8.7%
Built-up0.1%
Bare soil0.6%
Other (grassland, water…)25.5%

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

Hydrology7 basins · 0 lakes · 6 rivers

Hydrology metrics for this exact territory

Stream length here

236,9km

Basins crossed

7

Max stream order

6

Max drainage

29 370km²

Discharge in basins

249,8m³/s

Mean precip.

855mm/an

Mean T°

14,0°C

Moisture idx

-0,20

Max snow

4%

Mean runoff

459mm/an

Mean elev. (basins)

1 099m

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

Human pressure

Pop. density

1hab/km²

Night light

0,1nW

Built-up

12,0%

Pesticides

77,0kg/km²

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