Ontologia

Commune · CHN

Xihua

China

CwaTemperate, dry winter, hot summer(100 %)

Species observed

27

Observations

42

Area

1 219,9km²

Ecological tissue

Sample of 2 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 Xihua : 2 espèces reliées par 1 interaction GloBI sur 1 type (connectance 33.3%, filtre Serrano α=0.2). 1 bulle taxonomique (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
3
Interactions affichées
1
Connectance
0.333
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

27 distinct species · 42 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

42 obs · 2 cellules
Obs. / cellule
≥ 41
41–40
41–40
41–40
< 41

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

837mm

Warmest m°

31,2°C

Coldest m°

-3,6°C

Elevation: 53 m on average (min 49 m, max 57 m)

Bioclimatic detailsExpert
Annual mean temp.
15,3°C
Annual rain
837mm
Warmest month
31,2°C
Coldest month
-3,6°C
Mean alt.
53m
Min
49m
Max
57m
Std. dev.
2m
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

7,9

Org. C

9,7g/kg

Clay

25,1%

Sand

26,4%

Silt

48,5%

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

Dominant lithology: suGLiMaggregated to Zhoukou

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,8
Org. C
15,9g/kg
Clay
24,7%
Sand
27,8%
Silt
47,5%
5–15 cm
pH H₂O
7,9
Org. C
6,7g/kg
Clay
24,4%
Sand
26,4%
Silt
49,2%
15–30 cm
pH H₂O
8,0
Org. C
6,5g/kg
Clay
26,1%
Sand
24,9%
Silt
48,9%

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

Land cover

Forest3.5%
Crops73.2%
Built-up3.0%
Bare soil1.4%
Other (grassland, water…)19.0%

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

Hydrology13 basins · 1 lakes · 9 rivers

Hydrology metrics for this exact territory

Stream length here

238,5km

Lake surface here

0,27km²

Basins crossed

13

Max stream order

5

Max drainage

12 715km²

Discharge in basins

188,4m³/s

Mean precip.

724mm/an

Mean T°

14,6°C

Moisture idx

-0,39

Max snow

4%

Mean runoff

171mm/an

Mean elev. (basins)

56m

Watersheds crossing here

4 more basins

Lakes (1, top by area)

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

Human pressure

Pop. density

5hab/km²

Night light

1,7nW

Built-up

295,5%

Pesticides

69,1kg/km²

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