Ontologia

Commune · CHN

Yiyuan

China

DwaCold, dry winter, hot summer(100 %)

Species observed

79

Observations

459

Area

1 734,3km²

Ecological tissue

Sample of 30 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 Yiyuan : 24 espèces reliées par 35 interactions GloBI sur 6 types (connectance 8.0%, filtre Serrano α=0.2). 6 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
30
Interactions affichées
35
Connectance
0.081
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

79 distinct species · 459 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

459 obs · 20 cellules
Obs. / cellule
≥ 337
36–336
6–35
2–5
< 2

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

Climate

Mean T°

11,7°C

Annual rain

713mm

Warmest m°

28,7°C

Coldest m°

-7,7°C

Elevation: 399 m on average (min 184 m, max 856 m)

Bioclimatic detailsExpert
Annual mean temp.
11,7°C
Annual rain
713mm
Warmest month
28,7°C
Coldest month
-7,7°C
Mean alt.
399m
Min
184m
Max
856m
Std. dev.
92m
Köppen-Geiger (dominant)
DwaCold, dry winter, hot summer(100 %)Cold

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

Soil & lithology

pH H₂O

6,9

Org. C

16,0g/kg

Clay

23,3%

Sand

35,7%

Silt

41,0%

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

Dominant lithology: scGLiMaggregated to Zibo

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,9
Org. C
25,1g/kg
Clay
21,3%
Sand
37,0%
Silt
41,7%
5–15 cm
pH H₂O
6,9
Org. C
14,0g/kg
Clay
22,3%
Sand
36,4%
Silt
41,3%
15–30 cm
pH H₂O
7,0
Org. C
8,9g/kg
Clay
26,3%
Sand
33,8%
Silt
39,9%

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

Land cover

Forest13.9%
Crops34.4%
Built-up1.8%
Bare soil1.6%
Other (grassland, water…)48.3%

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

Hydrology9 basins · 16 lakes · 5 rivers

Hydrology metrics for this exact territory

Stream length here

165,3km

Lake surface here

11,35km²

Basins crossed

9

Max stream order

3

Max drainage

4 668km²

Discharge in basins

10,8m³/s

Mean precip.

749mm/an

Mean T°

12,0°C

Moisture idx

-0,31

Max snow

1%

Mean runoff

167mm/an

Mean elev. (basins)

350m

Watersheds crossing here

Lakes (16, top by area)

7 more lakes

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

Human pressure

Pop. density

2hab/km²

Night light

0,8nW

Built-up

177,2%

Pesticides

73,4kg/km²

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