Ontologia

Commune · CHN

Pianguan

China

DwbCold, dry winter, warm summer(56 %)

Species observed

288

Observations

903

Area

1 676,5km²

Ecological tissue

Sample of 16 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 Pianguan : 13 espèces reliées par 14 interactions GloBI sur 2 types (connectance 11.7%, filtre Serrano α=0.2). 3 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
16
Interactions affichées
14
Connectance
0.117
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

288 distinct species · 903 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

903 obs · 6 cellules
Obs. / cellule
≥ 891
891–890
7–890
2–6
< 2

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

Climate

Mean T°

6,5°C

Annual rain

460mm

Warmest m°

26,4°C

Coldest m°

-17,1°C

Elevation: 1 381 m on average (min 931 m, max 1 747 m)

Bioclimatic detailsExpert
Annual mean temp.
6,5°C
Annual rain
460mm
Warmest month
26,4°C
Coldest month
-17,1°C
Mean alt.
1 381m
Min
931m
Max
1 747m
Std. dev.
158m
Köppen-Geiger (dominant)
DwbCold, dry winter, warm summer(56 %)Cold

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

Soil & lithology

pH H₂O

8,2

Org. C

16,8g/kg

Clay

14,1%

Sand

51,9%

Silt

34,0%

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

Dominant lithology: scGLiMaggregated to Xinzhou

3 soil depths detailedExpert
0–5 cm
pH H₂O
8,1
Org. C
26,7g/kg
Clay
13,9%
Sand
52,4%
Silt
33,7%
5–15 cm
pH H₂O
8,2
Org. C
11,9g/kg
Clay
13,8%
Sand
52,2%
Silt
34,0%
15–30 cm
pH H₂O
8,2
Org. C
11,9g/kg
Clay
14,7%
Sand
51,0%
Silt
34,3%

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

Land cover

Forest11.2%
Crops26.0%
Built-up0.1%
Bare soil4.2%
Other (grassland, water…)58.5%

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

Hydrology4 basins · 1 lakes · 9 rivers

Hydrology metrics for this exact territory

Stream length here

179,8km

Lake surface here

3,06km²

Basins crossed

4

Max stream order

7

Max drainage

398 639km²

Discharge in basins

111,3m³/s

Mean precip.

464mm/an

Mean T°

5,0°C

Moisture idx

-0,50

Max snow

2%

Mean runoff

37mm/an

Mean elev. (basins)

1 446m

Watersheds crossing here

Lakes (1, top by area)

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

Human pressure

Pop. density

0hab/km²

Night light

0,1nW

Built-up

9,6%

Pesticides

65,4kg/km²

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