Ontologia

Commune · CHN

Dangchang

China

DwbCold, dry winter, warm summer(74 %)

Species observed

406

Observations

688

Area

3 319,4km²

Ecological tissue

Sample of 34 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 Dangchang : 29 espèces reliées par 32 interactions GloBI sur 5 types (connectance 5.7%, filtre Serrano α=0.2). 5 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
34
Interactions affichées
32
Connectance
0.057
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

406 distinct species · 688 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

688 obs · 25 cellules
Obs. / cellule
≥ 500
16–499
6–15
2–5
< 2

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

Climate

Mean T°

5,5°C

Annual rain

664mm

Warmest m°

19,9°C

Coldest m°

-14,8°C

Elevation: 2 461 m on average (min 1 190 m, max 3 783 m)

Bioclimatic detailsExpert
Annual mean temp.
5,5°C
Annual rain
664mm
Warmest month
19,9°C
Coldest month
-14,8°C
Mean alt.
2 461m
Min
1 190m
Max
3 783m
Std. dev.
397m
Köppen-Geiger (dominant)
DwbCold, dry winter, warm summer(74 %)Cold

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

Soil & lithology

pH H₂O

6,9

Org. C

39,3g/kg

Clay

22,4%

Sand

30,0%

Silt

47,6%

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

Dominant lithology: smGLiMaggregated to Longnan

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,9
Org. C
62,1g/kg
Clay
21,2%
Sand
30,4%
Silt
48,4%
5–15 cm
pH H₂O
6,9
Org. C
31,2g/kg
Clay
22,6%
Sand
29,8%
Silt
47,5%
15–30 cm
pH H₂O
6,9
Org. C
24,7g/kg
Clay
23,3%
Sand
29,7%
Silt
47,0%

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

Land cover

Forest29.1%
Crops15.0%
Built-up0.1%
Bare soil1.5%
Other (grassland, water…)54.3%

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

Hydrology11 basins · 0 lakes · 4 rivers

Hydrology metrics for this exact territory

Stream length here

266,7km

Basins crossed

11

Max stream order

5

Max drainage

17 334km²

Discharge in basins

81,3m³/s

Mean precip.

634mm/an

Mean T°

7,0°C

Moisture idx

-0,30

Max snow

5%

Mean runoff

258mm/an

Mean elev. (basins)

2 415m

Watersheds crossing here

2 more basins

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

Human pressure

Pop. density

1hab/km²

Night light

0,1nW

Built-up

6,9%

Pesticides

72,7kg/km²

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