Ontologia

Commune · CHN

Bijie

China

CwbTemperate, dry winter, warm summer(53 %)

Species observed

309

Observations

509

Area

3 391km²

Ecological tissue

Sample of 41 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 Bijie : 29 espèces reliées par 41 interactions GloBI sur 6 types (connectance 5.0%, filtre Serrano α=0.2). 12 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
41
Interactions affichées
41
Connectance
0.050
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

309 distinct species · 509 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

509 obs · 30 cellules
Obs. / cellule
≥ 240
75–239
7–74
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°

13,1°C

Annual rain

1 033mm

Warmest m°

25,1°C

Coldest m°

-0,6°C

Elevation: 1 519 m on average (min 638 m, max 2 064 m)

Bioclimatic detailsExpert
Annual mean temp.
13,1°C
Annual rain
1 033mm
Warmest month
25,1°C
Coldest month
-0,6°C
Mean alt.
1 519m
Min
638m
Max
2 064m
Std. dev.
264m
Köppen-Geiger (dominant)
CwbTemperate, dry winter, warm summer(53 %)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

32,3g/kg

Clay

30,1%

Sand

27,5%

Silt

42,4%

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

Dominant lithology: scGLiMaggregated to Bijie

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,9
Org. C
46,2g/kg
Clay
29,2%
Sand
28,3%
Silt
42,5%
5–15 cm
pH H₂O
5,9
Org. C
26,2g/kg
Clay
29,6%
Sand
27,7%
Silt
42,7%
15–30 cm
pH H₂O
5,9
Org. C
24,4g/kg
Clay
31,5%
Sand
26,6%
Silt
41,9%

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

Land cover

Forest48.2%
Crops15.1%
Built-up0.3%
Bare soil0.7%
Other (grassland, water…)35.6%

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

Hydrology12 basins · 4 lakes · 8 rivers

Hydrology metrics for this exact territory

Stream length here

233,8km

Lake surface here

0,79km²

Basins crossed

12

Max stream order

5

Max drainage

8 554km²

Discharge in basins

112,3m³/s

Mean precip.

1 011mm/an

Mean T°

13,3°C

Moisture idx

-0,01

Max snow

1%

Mean runoff

501mm/an

Mean elev. (basins)

1 525m

Watersheds crossing here

3 more basins

Lakes (4, top by area)

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

Human pressure

Pop. density

3hab/km²

Night light

0,4nW

Built-up

34,6%

Pesticides

81,4kg/km²

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