Ontologia

Commune · CHN

Dazhu

China

CwaTemperate, dry winter, hot summer(79 %)

Species observed

112

Observations

187

Area

2 097,3km²

Ecological tissue

Sample of 20 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 Dazhu : 15 espèces reliées par 22 interactions GloBI sur 4 types (connectance 11.6%, filtre Serrano α=0.2). 5 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
20
Interactions affichées
22
Connectance
0.116
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

112 distinct species · 187 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

187 obs · 7 cellules
Obs. / cellule
≥ 180
180–179
1–179
1–0
< 1

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

Climate

Mean T°

17,4°C

Annual rain

1 482mm

Warmest m°

30,2°C

Coldest m°

2,8°C

Elevation: 497 m on average (min 303 m, max 1 009 m)

Bioclimatic detailsExpert
Annual mean temp.
17,4°C
Annual rain
1 482mm
Warmest month
30,2°C
Coldest month
2,8°C
Mean alt.
497m
Min
303m
Max
1 009m
Std. dev.
175m
Köppen-Geiger (dominant)
CwaTemperate, dry winter, hot summer(79 %)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

23,4g/kg

Clay

27,2%

Sand

30,5%

Silt

42,3%

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

Dominant lithology: ssGLiMaggregated to Dazhou

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,3
Org. C
39,9g/kg
Clay
27,0%
Sand
30,7%
Silt
42,4%
5–15 cm
pH H₂O
6,4
Org. C
16,9g/kg
Clay
26,8%
Sand
30,7%
Silt
42,5%
15–30 cm
pH H₂O
6,4
Org. C
13,4g/kg
Clay
27,9%
Sand
30,1%
Silt
42,0%

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

Land cover

Forest41.2%
Crops37.4%
Built-up0.5%
Bare soil0.3%
Other (grassland, water…)20.5%

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

Hydrology14 basins · 6 lakes · 6 rivers

Hydrology metrics for this exact territory

Stream length here

292,1km

Lake surface here

11,94km²

Basins crossed

14

Max stream order

4

Max drainage

38 030km²

Discharge in basins

88,4m³/s

Mean precip.

1 172mm/an

Mean T°

17,0°C

Moisture idx

0,07

Max snow

3%

Mean runoff

678mm/an

Mean elev. (basins)

476m

Watersheds crossing here

5 more basins

Lakes (6, top by area)

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

Human pressure

Pop. density

3hab/km²

Night light

0,6nW

Built-up

52,9%

Pesticides

75,2kg/km²

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