Ontologia

Commune · CHN

Jiande

China

CfaTemperate, no dry season, hot summer(100 %)

Species observed

930

Observations

2 326

Area

2 279km²

Ecological tissue

Sample of 38 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 Jiande : 33 espèces reliées par 40 interactions GloBI sur 5 types (connectance 5.7%, filtre Serrano α=0.2). 5 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
38
Interactions affichées
40
Connectance
0.057
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

930 distinct species · 2 326 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

2 326 obs · 56 cellules
Obs. / cellule
≥ 1 485
35–1 484
15–34
6–14
< 6

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

Climate

Mean T°

17,0°C

Annual rain

1 894mm

Warmest m°

32,0°C

Coldest m°

0,7°C

Elevation: 264 m on average (min 27 m, max 856 m)

Bioclimatic detailsExpert
Annual mean temp.
17,0°C
Annual rain
1 894mm
Warmest month
32,0°C
Coldest month
0,7°C
Mean alt.
264m
Min
27m
Max
856m
Std. dev.
166m
Köppen-Geiger (dominant)
CfaTemperate, no dry season, hot summer(100 %)Temperate

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

Soil & lithology

pH H₂O

5,6

Org. C

27,1g/kg

Clay

27,3%

Sand

28,9%

Silt

43,8%

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

Dominant lithology: ssGLiMaggregated to Hangzhou

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,5
Org. C
44,0g/kg
Clay
26,7%
Sand
29,5%
Silt
43,8%
5–15 cm
pH H₂O
5,5
Org. C
23,0g/kg
Clay
26,9%
Sand
29,1%
Silt
44,0%
15–30 cm
pH H₂O
5,6
Org. C
14,3g/kg
Clay
28,3%
Sand
28,2%
Silt
43,5%

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

Land cover

Forest69.8%
Crops6.7%
Built-up1.1%
Bare soil0.6%
Other (grassland, water…)21.8%

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

Hydrology9 basins · 9 lakes · 11 rivers

Hydrology metrics for this exact territory

Stream length here

353,2km

Lake surface here

33,97km²

Basins crossed

9

Max stream order

7

Max drainage

32 183km²

Discharge in basins

1 047,1m³/s

Mean precip.

1 538mm/an

Mean T°

16,2°C

Moisture idx

0,29

Mean runoff

891mm/an

Mean elev. (basins)

280m

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

Human pressure

Pop. density

2hab/km²

Night light

1,1nW

Built-up

106,5%

Pesticides

74,9kg/km²

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