Ontologia

Prefecture City · CHN

Yibin

China

CwaTemperate, dry winter, hot summer(78 %)

Species observed

2 899

Observations

17 187

Area

13 279,1km²

Ecological tissue

Sample of 32 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 Yibin : 28 espèces reliées par 33 interactions GloBI sur 5 types (connectance 6.7%, filtre Serrano α=0.2). 4 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
32
Interactions affichées
33
Connectance
0.067
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

2 899 distinct species · 17 187 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

17 187 obs · 138 cellules
Obs. / cellule
≥ 2 162
270–2 161
6–269
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°

17,1°C

Annual rain

1 217mm

Warmest m°

29,2°C

Coldest m°

3,6°C

Elevation: 571 m on average (min 250 m, max 1 727 m)

Bioclimatic detailsExpert
Annual mean temp.
17,1°C
Annual rain
1 217mm
Warmest month
29,2°C
Coldest month
3,6°C
Mean alt.
571m
Min
250m
Max
1 727m
Std. dev.
270m
Köppen-Geiger (dominant)
CwaTemperate, dry winter, hot summer(78 %)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

23,5g/kg

Clay

29,5%

Sand

28,3%

Silt

42,2%

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

Dominant lithology: ssGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,0
Org. C
38,2g/kg
Clay
28,9%
Sand
28,8%
Silt
42,3%
5–15 cm
pH H₂O
6,0
Org. C
18,3g/kg
Clay
29,1%
Sand
28,4%
Silt
42,5%
15–30 cm
pH H₂O
6,0
Org. C
13,9g/kg
Clay
30,5%
Sand
27,6%
Silt
41,9%

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

Land cover

Forest45.7%
Crops31.2%
Built-up0.5%
Bare soil0.7%
Other (grassland, water…)22.0%

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

Hydrology32 basins · 20 lakes · 58 rivers

Hydrology metrics for this exact territory

Stream length here

1 908,9km

Lake surface here

6,12km²

Basins crossed

32

Max stream order

8

Max drainage

615 343km²

Discharge in basins

40 395,6m³/s

Mean precip.

1 087mm/an

Mean T°

16,8°C

Moisture idx

-0,01

Max snow

4%

Mean runoff

553mm/an

Mean elev. (basins)

612m

Watersheds crossing here

23 more basins

Lakes (20, top by area)

11 more lakes

Rivers / streams (58, ord ≥ 4)

46 more river segments

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

Human pressure

Pop. density

2hab/km²

Night light

0,7nW

Built-up

45,1%

Pesticides

77,7kg/km²

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

Sub-administrations7