Ontologia

Commune · CHN

Yichun

China

DwbCold, dry winter, warm summer(94 %)

Species observed

459

Observations

1 794

Area

16 041,3km²

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 Yichun : 30 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 75 interactions GloBI sur 5 types (connectance 8.7%, filtre Serrano α=0.2). 12 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
42
Interactions affichées
75
Connectance
0.087
Patrimoniales
1
Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Species present

459 distinct species · 1 794 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

1 794 obs · 136 cellules
Obs. / cellule
≥ 162
34–161
8–33
3–7
< 3

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

Climate

Mean T°

0,8°C

Annual rain

651mm

Warmest m°

23,9°C

Coldest m°

-28,2°C

Elevation: 439 m on average (min 106 m, max 1 107 m)

Bioclimatic detailsExpert
Annual mean temp.
0,8°C
Annual rain
651mm
Warmest month
23,9°C
Coldest month
-28,2°C
Mean alt.
439m
Min
106m
Max
1 107m
Std. dev.
146m
Köppen-Geiger (dominant)
DwbCold, dry winter, warm summer(94 %)Cold

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

64,1g/kg

Clay

23,4%

Sand

35,4%

Silt

41,2%

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

Dominant lithology: paGLiMaggregated to Yichun

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,0
Org. C
107,9g/kg
Clay
23,1%
Sand
35,5%
Silt
41,5%
5–15 cm
pH H₂O
6,0
Org. C
54,6g/kg
Clay
22,9%
Sand
35,7%
Silt
41,3%
15–30 cm
pH H₂O
6,0
Org. C
29,7g/kg
Clay
24,2%
Sand
35,1%
Silt
40,7%

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

Land cover

Forest88.8%
Crops4.0%
Built-up0.1%
Bare soil0.1%
Other (grassland, water…)7.0%

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

Hydrology46 basins · 3 lakes · 10 rivers

Hydrology metrics for this exact territory

Stream length here

1 095,5km

Lake surface here

0,49km²

Basins crossed

46

Max stream order

5

Max drainage

513 851km²

Discharge in basins

705,8m³/s

Mean precip.

656mm/an

Mean T°

-0,1°C

Moisture idx

-0,12

Max snow

43%

Mean runoff

173mm/an

Mean elev. (basins)

435m

Watersheds crossing here

37 more basins

Lakes (3, 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

10,4%

Pesticides

45,8kg/km²

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

Protected areas1

IUCN Ib · 1

WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN