Ontologia

Commune · CHN

Xuanhua

China

BSkArid, steppe, cold(64 %)

Species observed

340

Observations

609

Area

2 506,6km²

Ecological tissue

Sample of 40 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 Xuanhua : 27 espèces reliées par 62 interactions GloBI sur 4 types (connectance 7.9%, filtre Serrano α=0.2). 13 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
40
Interactions affichées
62
Connectance
0.080
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

340 distinct species · 609 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

609 obs · 33 cellules
Obs. / cellule
≥ 252
46–251
5–45
2–4
< 2

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

Climate

Mean T°

7,8°C

Annual rain

419mm

Warmest m°

27,8°C

Coldest m°

-15,5°C

Elevation: 974 m on average (min 533 m, max 1 785 m)

Bioclimatic detailsExpert
Annual mean temp.
7,8°C
Annual rain
419mm
Warmest month
27,8°C
Coldest month
-15,5°C
Mean alt.
974m
Min
533m
Max
1 785m
Std. dev.
244m
Köppen-Geiger (dominant)
BSkArid, steppe, cold(64 %)Arid

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

Soil & lithology

pH H₂O

8,0

Org. C

16,0g/kg

Clay

22,9%

Sand

40,3%

Silt

36,8%

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

Dominant lithology: paGLiMaggregated to Zhangjiakou

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,9
Org. C
22,1g/kg
Clay
21,5%
Sand
41,2%
Silt
37,4%
5–15 cm
pH H₂O
8,0
Org. C
14,4g/kg
Clay
22,8%
Sand
40,4%
Silt
36,8%
15–30 cm
pH H₂O
8,0
Org. C
11,5g/kg
Clay
24,4%
Sand
39,4%
Silt
36,3%

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

Land cover

Forest12.1%
Crops30.3%
Built-up1.1%
Bare soil3.5%
Other (grassland, water…)53.0%

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

Hydrology10 basins · 0 lakes · 5 rivers

Hydrology metrics for this exact territory

Stream length here

164,3km

Basins crossed

10

Max stream order

5

Max drainage

41 023km²

Discharge in basins

14,5m³/s

Mean precip.

412mm/an

Mean T°

7,4°C

Moisture idx

-0,56

Max snow

6%

Mean runoff

17mm/an

Mean elev. (basins)

983m

Watersheds crossing here

1 more basins

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

Human pressure

Pop. density

1hab/km²

Night light

0,7nW

Built-up

108,8%

Pesticides

70,7kg/km²

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