Ontologia

Commune · CHN

Tianchang

China

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

Species observed

65

Observations

109

Area

1 755,3km²

Ecological tissue

Sample of 22 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 Tianchang : 18 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 28 interactions GloBI sur 3 types (connectance 12.1%, filtre Serrano α=0.2). 4 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
22
Interactions affichées
28
Connectance
0.121
Patrimoniales
2
Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Species present

65 distinct species · 109 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

109 obs · 11 cellules
Obs. / cellule
≥ 45
19–44
14–18
2–13
< 2

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

Climate

Mean T°

15,5°C

Annual rain

1 078mm

Warmest m°

30,9°C

Coldest m°

-1,9°C

Elevation: 21 m on average (min 4 m, max 128 m)

Bioclimatic detailsExpert
Annual mean temp.
15,5°C
Annual rain
1 078mm
Warmest month
30,9°C
Coldest month
-1,9°C
Mean alt.
21m
Min
4m
Max
128m
Std. dev.
12m
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

7,4

Org. C

11,9g/kg

Clay

35,7%

Sand

15,7%

Silt

48,6%

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

Dominant lithology: suGLiMaggregated to Chuzhou

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,3
Org. C
16,8g/kg
Clay
34,3%
Sand
16,2%
Silt
49,5%
5–15 cm
pH H₂O
7,3
Org. C
10,8g/kg
Clay
36,2%
Sand
15,5%
Silt
48,3%
15–30 cm
pH H₂O
7,5
Org. C
8,2g/kg
Clay
36,6%
Sand
15,4%
Silt
48,0%

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

Land cover

Forest3.1%
Crops71.9%
Built-up1.8%
Bare soil1.3%
Other (grassland, water…)22.0%

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

Hydrology7 basins · 50 lakes · 2 rivers

Hydrology metrics for this exact territory

Stream length here

41,1km

Lake surface here

136,76km²

Basins crossed

7

Max stream order

4

Max drainage

1 732 697km²

Discharge in basins

56,8m³/s

Mean precip.

929mm/an

Mean T°

15,2°C

Moisture idx

-0,13

Max snow

2%

Mean runoff

294mm/an

Mean elev. (basins)

28m

Lakes (50, top by area)

41 more lakes

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

Human pressure

Pop. density

2hab/km²

Night light

1,4nW

Built-up

178,2%

Pesticides

72,8kg/km²

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