Ontologia

Commune · CHN

Jia

China

CwaTemperate, dry winter, hot summer(97 %)

Species observed

21

Observations

29

Area

725,6km²

Ecological tissue

Sample of 8 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 Jia : 7 espèces reliées par 7 interactions GloBI sur 2 types (connectance 25.0%, filtre Serrano α=0.2). 1 bulle taxonomique (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
8
Interactions affichées
7
Connectance
0.250
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

21 distinct species · 29 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

29 obs · 4 cellules
Obs. / cellule
≥ 26
26–25
1–25
1–0
< 1

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

Climate

Mean T°

15,0°C

Annual rain

739mm

Warmest m°

31,1°C

Coldest m°

-3,9°C

Elevation: 166 m on average (min 86 m, max 617 m)

Bioclimatic detailsExpert
Annual mean temp.
15,0°C
Annual rain
739mm
Warmest month
31,1°C
Coldest month
-3,9°C
Mean alt.
166m
Min
86m
Max
617m
Std. dev.
91m
Köppen-Geiger (dominant)
CwaTemperate, dry winter, hot summer(97 %)Temperate

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

12,5g/kg

Clay

27,3%

Sand

24,0%

Silt

48,7%

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

Dominant lithology: smGLiMaggregated to Pingdingshan

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,4
Org. C
20,0g/kg
Clay
26,1%
Sand
24,7%
Silt
49,1%
5–15 cm
pH H₂O
7,4
Org. C
10,6g/kg
Clay
26,9%
Sand
24,1%
Silt
49,0%
15–30 cm
pH H₂O
7,6
Org. C
7,0g/kg
Clay
28,9%
Sand
23,1%
Silt
48,0%

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

Land cover

Forest4.9%
Crops65.2%
Built-up3.8%
Bare soil1.9%
Other (grassland, water…)24.2%

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

Hydrology6 basins · 3 lakes · 10 rivers

Hydrology metrics for this exact territory

Stream length here

169,2km

Lake surface here

0,42km²

Basins crossed

6

Max stream order

4

Max drainage

5 256km²

Discharge in basins

24,6m³/s

Mean precip.

719mm/an

Mean T°

14,3°C

Moisture idx

-0,40

Max snow

3%

Mean runoff

186mm/an

Mean elev. (basins)

185m

Watersheds crossing here

Lakes (3, top by area)

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

Human pressure

Pop. density

5hab/km²

Night light

1,2nW

Built-up

383,6%

Pesticides

74,8kg/km²

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