Ontologia

Prefecture City · CHN

Xuchang

China

CwaTemperate, dry winter, hot summer(97 %)

Species observed

281

Observations

703

Area

4 997,2km²

Ecological tissue

Sample of 38 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 : 30 espèces reliées par 54 interactions GloBI sur 5 types (connectance 7.7%, filtre Serrano α=0.2). 8 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
38
Interactions affichées
54
Connectance
0.077
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

281 distinct species · 703 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

703 obs · 42 cellules
Obs. / cellule
≥ 174
44–173
10–43
4–9
< 4

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

Climate

Mean T°

15,1°C

Annual rain

764mm

Warmest m°

31,2°C

Coldest m°

-3,9°C

Elevation: 121 m on average (min 51 m, max 754 m)

Bioclimatic detailsExpert
Annual mean temp.
15,1°C
Annual rain
764mm
Warmest month
31,2°C
Coldest month
-3,9°C
Mean alt.
121m
Min
51m
Max
754m
Std. dev.
97m
Köppen-Geiger (dominant)
CwaTemperate, dry winter, hot summer(97 %)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

11,1g/kg

Clay

24,5%

Sand

26,0%

Silt

49,5%

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

Dominant lithology: ssGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,6
Org. C
18,4g/kg
Clay
23,6%
Sand
26,7%
Silt
49,7%
5–15 cm
pH H₂O
7,6
Org. C
8,4g/kg
Clay
24,5%
Sand
26,0%
Silt
49,5%
15–30 cm
pH H₂O
7,8
Org. C
6,6g/kg
Clay
25,5%
Sand
25,3%
Silt
49,2%

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

Land cover

Forest5.6%
Crops63.3%
Built-up4.4%
Bare soil1.4%
Other (grassland, water…)25.3%

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

Hydrology12 basins · 6 lakes · 18 rivers

Hydrology metrics for this exact territory

Stream length here

660,7km

Lake surface here

3,18km²

Basins crossed

12

Max stream order

5

Max drainage

8 922km²

Discharge in basins

66,0m³/s

Mean precip.

711mm/an

Mean T°

14,3°C

Moisture idx

-0,40

Max snow

4%

Mean runoff

155mm/an

Mean elev. (basins)

153m

Watersheds crossing here

3 more basins

Lakes (6, top by area)

Rivers / streams (18, ord ≥ 4)

6 more river segments

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

Human pressure

Pop. density

7hab/km²

Night light

2,0nW

Built-up

444,2%

Pesticides

71,0kg/km²

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

Sub-administrations5