Ontologia

Prefecture City · CHN

Songyuan

China

DwaCold, dry winter, hot summer(99 %)

Species observed

412

Observations

1 362

Area

21 198,5km²

Ecological tissue

Sample of 30 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 Songyuan : 23 espèces reliées par 34 interactions GloBI sur 3 types (connectance 7.3%, filtre Serrano α=0.2). 8 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
31
Interactions affichées
34
Connectance
0.073
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

412 distinct species · 1 362 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

1 362 obs · 86 cellules
Obs. / cellule
≥ 542
24–541
4–23
2–3
< 2

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

Climate

Mean T°

5,9°C

Annual rain

451mm

Warmest m°

27,5°C

Coldest m°

-20,6°C

Elevation: 164 m on average (min 120 m, max 285 m)

Bioclimatic detailsExpert
Annual mean temp.
5,9°C
Annual rain
451mm
Warmest month
27,5°C
Coldest month
-20,6°C
Mean alt.
164m
Min
120m
Max
285m
Std. dev.
30m
Köppen-Geiger (dominant)
DwaCold, dry winter, hot summer(99 %)Cold

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

Soil & lithology

pH H₂O

7,9

Org. C

14,7g/kg

Clay

24,0%

Sand

43,7%

Silt

32,3%

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

Dominant lithology: suGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,9
Org. C
16,9g/kg
Clay
23,9%
Sand
43,1%
Silt
33,1%
5–15 cm
pH H₂O
7,9
Org. C
13,9g/kg
Clay
24,0%
Sand
44,0%
Silt
31,9%
15–30 cm
pH H₂O
8,0
Org. C
13,2g/kg
Clay
24,2%
Sand
43,9%
Silt
31,9%

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

Land cover

Forest4.6%
Crops47.7%
Built-up0.9%
Bare soil2.6%
Other (grassland, water…)44.3%

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

Hydrology49 basins · 50 lakes · 14 rivers

Hydrology metrics for this exact territory

Stream length here

982,3km

Lake surface here

485,77km²

Basins crossed

49

Max stream order

8

Max drainage

369 140km²

Discharge in basins

6 773,6m³/s

Mean precip.

471mm/an

Mean T°

5,0°C

Moisture idx

-0,45

Max snow

19%

Mean runoff

68mm/an

Mean elev. (basins)

162m

Watersheds crossing here

40 more basins

Lakes (50, top by area)

41 more lakes

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

Human pressure

Pop. density

1hab/km²

Night light

0,4nW

Built-up

87,5%

Pesticides

75,8kg/km²

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

Sub-administrations2