Ontologia

Commune · CHN

Jiayin

China

DwbCold, dry winter, warm summer(92 %)

Species observed

567

Observations

1 869

Area

6 645,8km²

Ecological tissue

Sample of 34 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 Jiayin : 31 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 34 interactions GloBI sur 4 types (connectance 6.1%, filtre Serrano α=0.2). 3 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
34
Interactions affichées
34
Connectance
0.061
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

567 distinct species · 1 869 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

1 869 obs · 67 cellules
Obs. / cellule
≥ 563
44–562
14–43
9–13
< 9

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

Climate

Mean T°

1,0°C

Annual rain

632mm

Warmest m°

24,8°C

Coldest m°

-27,9°C

Elevation: 246 m on average (min 75 m, max 700 m)

Bioclimatic detailsExpert
Annual mean temp.
1,0°C
Annual rain
632mm
Warmest month
24,8°C
Coldest month
-27,9°C
Mean alt.
246m
Min
75m
Max
700m
Std. dev.
102m
Köppen-Geiger (dominant)
DwbCold, dry winter, warm summer(92 %)Cold

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

Soil & lithology

pH H₂O

5,9

Org. C

63,3g/kg

Clay

28,5%

Sand

32,8%

Silt

38,7%

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

Dominant lithology: paGLiMaggregated to Yichun

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,9
Org. C
101,0g/kg
Clay
27,8%
Sand
33,2%
Silt
38,9%
5–15 cm
pH H₂O
5,9
Org. C
58,5g/kg
Clay
27,9%
Sand
33,1%
Silt
38,9%
15–30 cm
pH H₂O
6,0
Org. C
30,5g/kg
Clay
29,8%
Sand
32,1%
Silt
38,1%

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

Land cover

Forest62.1%
Crops15.9%
Built-up0.1%
Bare soil0.1%
Other (grassland, water…)21.8%

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

Hydrology25 basins · 5 lakes · 5 rivers

Hydrology metrics for this exact territory

Stream length here

376,8km

Lake surface here

1,91km²

Basins crossed

25

Max stream order

8

Max drainage

981 889km²

Discharge in basins

28 639,8m³/s

Mean precip.

624mm/an

Mean T°

-0,3°C

Moisture idx

-0,15

Max snow

36%

Mean runoff

175mm/an

Mean elev. (basins)

250m

Watersheds crossing here

16 more basins

Lakes (5, top by area)

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

Human pressure

Pop. density

0hab/km²

Night light

0,0nW

Built-up

12,3%

Pesticides

34,8kg/km²

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

Protected areas1

IUCN Not Reported · 1

WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN