Ontologia

Commune · CHN

Xuchang Xiàn

China

CwaTemperate, dry winter, hot summer(100 %)

Species observed

30

Observations

115

Area

981,7km²

Ecological tissue

Sample of 11 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 Xuchang Xiàn : 10 espèces reliées par 7 interactions GloBI sur 2 types (connectance 12.7%, filtre Serrano α=0.2). 1 bulle taxonomique (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
11
Interactions affichées
7
Connectance
0.127
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

30 distinct species · 115 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

115 obs · 8 cellules
Obs. / cellule
≥ 79
79–78
4–78
2–3
< 2

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

Climate

Mean T°

15,3°C

Annual rain

763mm

Warmest m°

31,5°C

Coldest m°

-3,8°C

Elevation: 78 m on average (min 59 m, max 161 m)

Bioclimatic detailsExpert
Annual mean temp.
15,3°C
Annual rain
763mm
Warmest month
31,5°C
Coldest month
-3,8°C
Mean alt.
78m
Min
59m
Max
161m
Std. dev.
17m
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

7,7

Org. C

10,2g/kg

Clay

23,6%

Sand

25,2%

Silt

51,2%

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

Dominant lithology: ssGLiMaggregated to Xuchang

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,6
Org. C
17,2g/kg
Clay
22,5%
Sand
26,0%
Silt
51,5%
5–15 cm
pH H₂O
7,7
Org. C
7,1g/kg
Clay
23,8%
Sand
25,2%
Silt
51,0%
15–30 cm
pH H₂O
7,8
Org. C
6,3g/kg
Clay
24,5%
Sand
24,6%
Silt
50,9%

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

Land cover

Forest3.6%
Crops69.2%
Built-up4.5%
Bare soil1.3%
Other (grassland, water…)21.4%

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

Hydrology4 basins · 1 lakes · 4 rivers

Hydrology metrics for this exact territory

Stream length here

68,1km

Lake surface here

0,19km²

Basins crossed

4

Max stream order

4

Max drainage

2 451km²

Discharge in basins

4,8m³/s

Mean precip.

712mm/an

Mean T°

14,4°C

Moisture idx

-0,40

Max snow

3%

Mean runoff

153mm/an

Mean elev. (basins)

121m

Watersheds crossing here

Lakes (1, top by area)

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

Human pressure

Pop. density

6hab/km²

Night light

2,2nW

Built-up

450,4%

Pesticides

70,8kg/km²

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