Ontologia

Commune · CHN

Jixian

China

DwaCold, dry winter, hot summer(90 %)

Species observed

146

Observations

441

Area

2 214,6km²

Ecological tissue

Sample of 15 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 Jixian : 14 espèces reliées par 11 interactions GloBI sur 2 types (connectance 10.5%, filtre Serrano α=0.2). 1 bulle taxonomique (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
15
Interactions affichées
11
Connectance
0.105
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

146 distinct species · 441 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

441 obs · 7 cellules
Obs. / cellule
≥ 430
430–429
3–429
2–2
< 2

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

Climate

Mean T°

3,8°C

Annual rain

584mm

Warmest m°

26,4°C

Coldest m°

-23,5°C

Elevation: 125 m on average (min 64 m, max 694 m)

Bioclimatic detailsExpert
Annual mean temp.
3,8°C
Annual rain
584mm
Warmest month
26,4°C
Coldest month
-23,5°C
Mean alt.
125m
Min
64m
Max
694m
Std. dev.
97m
Köppen-Geiger (dominant)
DwaCold, dry winter, hot summer(90 %)Cold

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

Soil & lithology

pH H₂O

6,4

Org. C

40,9g/kg

Clay

27,8%

Sand

28,9%

Silt

43,3%

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

Dominant lithology: ssGLiMaggregated to Shuangyashan

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,4
Org. C
51,7g/kg
Clay
27,9%
Sand
28,9%
Silt
43,3%
5–15 cm
pH H₂O
6,4
Org. C
43,8g/kg
Clay
27,4%
Sand
29,0%
Silt
43,6%
15–30 cm
pH H₂O
6,4
Org. C
27,0g/kg
Clay
28,2%
Sand
28,8%
Silt
43,1%

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

Land cover

Forest21.1%
Crops49.8%
Built-up1.0%
Bare soil0.6%
Other (grassland, water…)27.5%

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

Hydrology9 basins · 9 lakes · 3 rivers

Hydrology metrics for this exact territory

Stream length here

92,9km

Lake surface here

5,95km²

Basins crossed

9

Max stream order

3

Max drainage

2 686km²

Discharge in basins

11,3m³/s

Mean precip.

553mm/an

Mean T°

3,0°C

Moisture idx

-0,29

Max snow

30%

Mean runoff

153mm/an

Mean elev. (basins)

130m

Watersheds crossing here

Lakes (9, top by area)

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

Human pressure

Pop. density

1hab/km²

Night light

0,4nW

Built-up

98,2%

Pesticides

78,6kg/km²

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