Ontologia

Commune · CHN

Xun

China

DwaCold, dry winter, hot summer(62 %)

Species observed

50

Observations

57

Area

1 111,3km²

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 Xun : 10 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 8 interactions GloBI sur 2 types (connectance 14.5%, filtre Serrano α=0.2). 1 bulle taxonomique (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
11
Interactions affichées
8
Connectance
0.145
Patrimoniales
1
Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Species present

50 distinct species · 57 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

57 obs · 8 cellules
Obs. / cellule
≥ 38
38–37
4–37
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°

14,8°C

Annual rain

602mm

Warmest m°

31,9°C

Coldest m°

-5,1°C

Elevation: 69 m on average (min 54 m, max 120 m)

Bioclimatic detailsExpert
Annual mean temp.
14,8°C
Annual rain
602mm
Warmest month
31,9°C
Coldest month
-5,1°C
Mean alt.
69m
Min
54m
Max
120m
Std. dev.
15m
Köppen-Geiger (dominant)
DwaCold, dry winter, hot summer(62 %)Cold

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

Soil & lithology

pH H₂O

8,1

Org. C

8,2g/kg

Clay

22,5%

Sand

29,2%

Silt

48,3%

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

Dominant lithology: suGLiMaggregated to Hebi

3 soil depths detailedExpert
0–5 cm
pH H₂O
8,0
Org. C
11,2g/kg
Clay
21,1%
Sand
29,9%
Silt
49,0%
5–15 cm
pH H₂O
8,1
Org. C
7,3g/kg
Clay
22,0%
Sand
29,5%
Silt
48,5%
15–30 cm
pH H₂O
8,1
Org. C
6,0g/kg
Clay
24,5%
Sand
28,1%
Silt
47,4%

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

Land cover

Forest3.7%
Crops71.5%
Built-up4.3%
Bare soil1.9%
Other (grassland, water…)18.6%

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

Hydrology7 basins · 0 lakes · 7 rivers

Hydrology metrics for this exact territory

Stream length here

193,3km

Basins crossed

7

Max stream order

5

Max drainage

15 162km²

Discharge in basins

19,2m³/s

Mean precip.

571mm/an

Mean T°

14,5°C

Moisture idx

-0,53

Max snow

2%

Mean runoff

63mm/an

Mean elev. (basins)

105m

Watersheds crossing here

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

Human pressure

Pop. density

6hab/km²

Night light

3,0nW

Built-up

431,5%

Pesticides

67,7kg/km²

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