Ontologia

Commune · CHN

Pu'an

China

CwbTemperate, dry winter, warm summer(59 %)

Species observed

381

Observations

670

Area

1 443,5km²

Ecological tissue

Sample of 13 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 Pu'an : 12 espèces reliées par 12 interactions GloBI sur 3 types (connectance 15.4%, filtre Serrano α=0.2). 1 bulle taxonomique (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
13
Interactions affichées
12
Connectance
0.154
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

381 distinct species · 670 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

670 obs · 11 cellules
Obs. / cellule
≥ 553
86–552
6–85
3–5
< 3

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

Climate

Mean T°

15,3°C

Annual rain

1 368mm

Warmest m°

24,8°C

Coldest m°

1,9°C

Elevation: 1 537 m on average (min 878 m, max 1 902 m)

Bioclimatic detailsExpert
Annual mean temp.
15,3°C
Annual rain
1 368mm
Warmest month
24,8°C
Coldest month
1,9°C
Mean alt.
1 537m
Min
878m
Max
1 902m
Std. dev.
202m
Köppen-Geiger (dominant)
CwbTemperate, dry winter, warm summer(59 %)Temperate

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

Soil & lithology

pH H₂O

6,0

Org. C

34,2g/kg

Clay

38,2%

Sand

19,6%

Silt

42,3%

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

Dominant lithology: scGLiMaggregated to Qianxinan Buyei and Miao

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,0
Org. C
47,6g/kg
Clay
37,7%
Sand
20,0%
Silt
42,3%
5–15 cm
pH H₂O
6,0
Org. C
31,6g/kg
Clay
38,0%
Sand
19,6%
Silt
42,5%
15–30 cm
pH H₂O
6,0
Org. C
23,3g/kg
Clay
38,8%
Sand
19,2%
Silt
42,0%

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

Land cover

Forest42.7%
Crops20.4%
Built-up0.3%
Bare soil0.8%
Other (grassland, water…)35.8%

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

Hydrology12 basins · 1 lakes · 4 rivers

Hydrology metrics for this exact territory

Stream length here

163,7km

Lake surface here

0,23km²

Basins crossed

12

Max stream order

5

Max drainage

13 426km²

Discharge in basins

274,6m³/s

Mean precip.

1 298mm/an

Mean T°

15,3°C

Moisture idx

0,13

Mean runoff

733mm/an

Mean elev. (basins)

1 539m

Watersheds crossing here

3 more basins

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

0,2nW

Built-up

25,7%

Pesticides

77,9kg/km²

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