Ontologia

Commune · CHN

Yidu

China

CfaTemperate, no dry season, hot summer(82 %)

Species observed

114

Observations

274

Area

1 359,4km²

Ecological tissue

Sample of 33 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 Yidu : 31 espèces reliées par 34 interactions GloBI sur 5 types (connectance 6.4%, filtre Serrano α=0.2). 2 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
33
Interactions affichées
34
Connectance
0.064
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

114 distinct species · 274 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

274 obs · 13 cellules
Obs. / cellule
≥ 128
53–127
12–52
5–11
< 5

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

Climate

Mean T°

16,6°C

Annual rain

1 517mm

Warmest m°

30,6°C

Coldest m°

0,1°C

Elevation: 254 m on average (min 35 m, max 970 m)

Bioclimatic detailsExpert
Annual mean temp.
16,6°C
Annual rain
1 517mm
Warmest month
30,6°C
Coldest month
0,1°C
Mean alt.
254m
Min
35m
Max
970m
Std. dev.
188m
Köppen-Geiger (dominant)
CfaTemperate, no dry season, hot summer(82 %)Temperate

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

Soil & lithology

pH H₂O

6,1

Org. C

20,3g/kg

Clay

26,4%

Sand

32,7%

Silt

40,9%

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

Dominant lithology: smGLiMaggregated to Yichang

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,1
Org. C
31,7g/kg
Clay
25,7%
Sand
33,1%
Silt
41,2%
5–15 cm
pH H₂O
6,1
Org. C
17,3g/kg
Clay
26,3%
Sand
32,8%
Silt
40,9%
15–30 cm
pH H₂O
6,2
Org. C
12,1g/kg
Clay
27,3%
Sand
32,1%
Silt
40,6%

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

Land cover

Forest51.5%
Crops15.3%
Built-up1.4%
Bare soil1.2%
Other (grassland, water…)30.7%

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

Hydrology7 basins · 7 lakes · 5 rivers

Hydrology metrics for this exact territory

Stream length here

194,9km

Lake surface here

4,60km²

Basins crossed

7

Max stream order

9

Max drainage

999 965km²

Discharge in basins

4 636,3m³/s

Mean precip.

1 221mm/an

Mean T°

15,8°C

Moisture idx

0,10

Max snow

2%

Mean runoff

560mm/an

Mean elev. (basins)

364m

Watersheds crossing here

Lakes (7, top by area)

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

Human pressure

Pop. density

2hab/km²

Night light

1,0nW

Built-up

136,1%

Pesticides

79,1kg/km²

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