Ontologia

Prefecture City · CHN

Jiyuan shi

China

DwaCold, dry winter, hot summer(51 %)

Species observed

683

Observations

1 856

Area

1 892,7km²

Ecological tissue

Sample of 16 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 Jiyuan shi : 15 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 11 interactions GloBI sur 3 types (connectance 9.2%, filtre Serrano α=0.2). 1 bulle taxonomique (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
16
Interactions affichées
11
Connectance
0.092
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

683 distinct species · 1 856 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

1 856 obs · 32 cellules
Obs. / cellule
≥ 1 649
18–1 648
6–17
2–5
< 2

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

Climate

Mean T°

13,6°C

Annual rain

543mm

Warmest m°

29,6°C

Coldest m°

-5,6°C

Elevation: 428 m on average (min 130 m, max 1 644 m)

Bioclimatic detailsExpert
Annual mean temp.
13,6°C
Annual rain
543mm
Warmest month
29,6°C
Coldest month
-5,6°C
Mean alt.
428m
Min
130m
Max
1 644m
Std. dev.
257m
Köppen-Geiger (dominant)
DwaCold, dry winter, hot summer(51 %)Cold

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

Soil & lithology

pH H₂O

7,5

Org. C

19,3g/kg

Clay

21,5%

Sand

29,8%

Silt

48,7%

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

Dominant lithology: ssGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,5
Org. C
33,1g/kg
Clay
20,7%
Sand
30,8%
Silt
48,5%
5–15 cm
pH H₂O
7,5
Org. C
15,3g/kg
Clay
21,8%
Sand
29,6%
Silt
48,6%
15–30 cm
pH H₂O
7,5
Org. C
9,5g/kg
Clay
22,0%
Sand
29,0%
Silt
49,0%

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

Land cover

Forest29.5%
Crops26.4%
Built-up2.0%
Bare soil1.6%
Other (grassland, water…)40.5%

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

Hydrology5 basins · 4 lakes · 8 rivers

Hydrology metrics for this exact territory

Stream length here

320,3km

Lake surface here

22,34km²

Basins crossed

5

Max stream order

8

Max drainage

697 282km²

Discharge in basins

668,6m³/s

Mean precip.

611mm/an

Mean T°

12,8°C

Moisture idx

-0,46

Max snow

2%

Mean runoff

50mm/an

Mean elev. (basins)

476m

Watersheds crossing here

Lakes (4, top by area)

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

Human pressure

Pop. density

3hab/km²

Night light

1,5nW

Built-up

202,2%

Pesticides

75,8kg/km²

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

Sub-administrations1