Ontologia

Commune · CHN

Dechang

China

CwbTemperate, dry winter, warm summer(73 %)

Species observed

786

Observations

3 105

Area

2 280,1km²

Ecological tissue

Sample of 10 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 Dechang : 10 espèces reliées par 7 interactions GloBI sur 2 types (connectance 15.6%, filtre Serrano α=0.2).

Espèces affichées
10
Interactions affichées
7
Connectance
0.156
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

786 distinct species · 3 105 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

3 105 obs · 26 cellules
Obs. / cellule
≥ 3 011
11–3 010
5–10
2–4
< 2

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

Climate

Mean T°

13,4°C

Annual rain

1 290mm

Warmest m°

21,8°C

Coldest m°

-0,5°C

Elevation: 2 225 m on average (min 1 201 m, max 4 010 m)

Bioclimatic detailsExpert
Annual mean temp.
13,4°C
Annual rain
1 290mm
Warmest month
21,8°C
Coldest month
-0,5°C
Mean alt.
2 225m
Min
1 201m
Max
4 010m
Std. dev.
589m
Köppen-Geiger (dominant)
CwbTemperate, dry winter, warm summer(73 %)Temperate

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

Soil & lithology

pH H₂O

5,9

Org. C

39,9g/kg

Clay

29,2%

Sand

27,7%

Silt

43,1%

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

Dominant lithology: smGLiMaggregated to Liangshan Yi

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,9
Org. C
57,2g/kg
Clay
28,2%
Sand
28,1%
Silt
43,7%
5–15 cm
pH H₂O
5,9
Org. C
35,6g/kg
Clay
28,8%
Sand
27,9%
Silt
43,3%
15–30 cm
pH H₂O
5,9
Org. C
26,9g/kg
Clay
30,4%
Sand
27,2%
Silt
42,4%

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

Land cover

Forest60.1%
Crops10.5%
Built-up0.2%
Bare soil1.2%
Other (grassland, water…)28.0%

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

Hydrology9 basins · 1 lakes · 6 rivers

Hydrology metrics for this exact territory

Stream length here

284,0km

Lake surface here

5,15km²

Basins crossed

9

Max stream order

7

Max drainage

113 517km²

Discharge in basins

794,2m³/s

Mean precip.

1 041mm/an

Mean T°

13,8°C

Moisture idx

-0,12

Max snow

4%

Mean runoff

576mm/an

Mean elev. (basins)

2 219m

Watersheds crossing here

Lakes (1, top by area)

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

Human pressure

Pop. density

1hab/km²

Night light

0,3nW

Built-up

21,2%

Pesticides

93,6kg/km²

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