Ontologia

Commune · CHN

Ji

China

BSkArid, steppe, cold(100 %)

Species observed

171

Observations

1 526

Area

912,2km²

Ecological tissue

Sample of 26 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 Ji : 21 espèces reliées par 42 interactions GloBI sur 3 types (connectance 12.9%, filtre Serrano α=0.2). 5 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
26
Interactions affichées
42
Connectance
0.129
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

171 distinct species · 1 526 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

1 526 obs · 10 cellules
Obs. / cellule
≥ 1 266
1 266–1 265
56–1 265
4–55
< 4

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

Climate

Mean T°

14,3°C

Annual rain

497mm

Warmest m°

31,6°C

Coldest m°

-6,3°C

Elevation: 24 m on average (min 19 m, max 27 m)

Bioclimatic detailsExpert
Annual mean temp.
14,3°C
Annual rain
497mm
Warmest month
31,6°C
Coldest month
-6,3°C
Mean alt.
24m
Min
19m
Max
27m
Std. dev.
2m
Köppen-Geiger (dominant)
BSkArid, steppe, cold(100 %)Arid

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

8,3g/kg

Clay

18,1%

Sand

36,1%

Silt

45,8%

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

Dominant lithology: suGLiMaggregated to Hengshui

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,8
Org. C
10,5g/kg
Clay
18,6%
Sand
36,1%
Silt
45,3%
5–15 cm
pH H₂O
7,9
Org. C
6,5g/kg
Clay
17,4%
Sand
36,3%
Silt
46,3%
15–30 cm
pH H₂O
7,9
Org. C
7,8g/kg
Clay
18,4%
Sand
35,8%
Silt
45,8%

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

Land cover

Forest3.9%
Crops71.1%
Built-up3.1%
Bare soil1.6%
Other (grassland, water…)20.2%

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

Hydrology6 basins · 1 lakes · 4 rivers

Hydrology metrics for this exact territory

Stream length here

80,9km

Lake surface here

20,00km²

Basins crossed

6

Max stream order

6

Max drainage

22 910km²

Discharge in basins

10,9m³/s

Mean precip.

473mm/an

Mean T°

13,0°C

Moisture idx

-0,59

Max snow

2%

Mean runoff

17mm/an

Mean elev. (basins)

28m

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

Human pressure

Pop. density

3hab/km²

Night light

0,6nW

Built-up

312,9%

Pesticides

66,1kg/km²

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