Ontologia

Prefecture City · CHN

Changsha

China

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

Species observed

2 887

Observations

22 840

Area

11 772km²

Ecological tissue

Sample of 51 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 Changsha : 43 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 72 interactions GloBI sur 6 types (connectance 5.6%, filtre Serrano α=0.2). 8 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
51
Interactions affichées
72
Connectance
0.057
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

2 887 distinct species · 22 840 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

22 840 obs · 163 cellules
Obs. / cellule
≥ 3 202
245–3 201
32–244
6–31
< 6

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

Climate

Mean T°

17,6°C

Annual rain

1 772mm

Warmest m°

32,2°C

Coldest m°

1,4°C

Elevation: 167 m on average (min 26 m, max 1 424 m)

Bioclimatic detailsExpert
Annual mean temp.
17,6°C
Annual rain
1 772mm
Warmest month
32,2°C
Coldest month
1,4°C
Mean alt.
167m
Min
26m
Max
1 424m
Std. dev.
161m
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

5,9

Org. C

23,6g/kg

Clay

30,0%

Sand

26,7%

Silt

43,3%

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

Dominant lithology: smGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,8
Org. C
38,0g/kg
Clay
29,5%
Sand
27,1%
Silt
43,5%
5–15 cm
pH H₂O
5,9
Org. C
19,2g/kg
Clay
29,9%
Sand
26,7%
Silt
43,5%
15–30 cm
pH H₂O
5,9
Org. C
13,6g/kg
Clay
30,6%
Sand
26,3%
Silt
43,1%

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

Land cover

Forest45.8%
Crops21.3%
Built-up2.5%
Bare soil1.4%
Other (grassland, water…)29.0%

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

Hydrology38 basins · 50 lakes · 32 rivers

Hydrology metrics for this exact territory

Stream length here

1 777,2km

Lake surface here

47,53km²

Basins crossed

38

Max stream order

7

Max drainage

96 502km²

Discharge in basins

6 467,3m³/s

Mean precip.

1 482mm/an

Mean T°

17,1°C

Moisture idx

0,23

Max snow

9%

Mean runoff

790mm/an

Mean elev. (basins)

174m

Watersheds crossing here

29 more basins

Lakes (50, top by area)

41 more lakes

Rivers / streams (32, ord ≥ 4)

20 more river segments

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

Human pressure

Pop. density

5hab/km²

Night light

3,1nW

Built-up

249,8%

Pesticides

73,6kg/km²

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

Sub-administrations5