Ontologia

Commune · CHN

Yuan'an

China

CwaTemperate, dry winter, hot summer(100 %)

Species observed

90

Observations

121

Area

1 743,4km²

Ecological tissue

Sample of 23 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 Yuan'an : 22 espèces reliées par 20 interactions GloBI sur 3 types (connectance 7.2%, filtre Serrano α=0.2). 2 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
24
Interactions affichées
20
Connectance
0.072
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

90 distinct species · 121 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

121 obs · 11 cellules
Obs. / cellule
≥ 26
24–25
19–23
9–18
< 9

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

Climate

Mean T°

15,4°C

Annual rain

1 390mm

Warmest m°

29,3°C

Coldest m°

-1,4°C

Elevation: 456 m on average (min 101 m, max 1 167 m)

Bioclimatic detailsExpert
Annual mean temp.
15,4°C
Annual rain
1 390mm
Warmest month
29,3°C
Coldest month
-1,4°C
Mean alt.
456m
Min
101m
Max
1 167m
Std. dev.
235m
Köppen-Geiger (dominant)
CwaTemperate, dry winter, hot summer(100 %)Temperate

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

Soil & lithology

pH H₂O

6,2

Org. C

22,8g/kg

Clay

25,5%

Sand

39,7%

Silt

34,8%

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
6,2
Org. C
39,1g/kg
Clay
23,9%
Sand
40,2%
Silt
35,9%
5–15 cm
pH H₂O
6,2
Org. C
18,0g/kg
Clay
25,1%
Sand
40,1%
Silt
34,8%
15–30 cm
pH H₂O
6,2
Org. C
11,3g/kg
Clay
27,5%
Sand
38,8%
Silt
33,7%

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

Land cover

Forest68.8%
Crops9.0%
Built-up0.3%
Bare soil0.5%
Other (grassland, water…)21.3%

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

Hydrology6 basins · 7 lakes · 6 rivers

Hydrology metrics for this exact territory

Stream length here

275,4km

Lake surface here

3,47km²

Basins crossed

6

Max stream order

4

Max drainage

981 191km²

Discharge in basins

28,4m³/s

Mean precip.

1 062mm/an

Mean T°

14,6°C

Moisture idx

-0,01

Max snow

2%

Mean runoff

420mm/an

Mean elev. (basins)

529m

Watersheds crossing here

Lakes (7, top by area)

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

Human pressure

Pop. density

1hab/km²

Night light

0,2nW

Built-up

35,0%

Pesticides

78,7kg/km²

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