Ontologia

Commune · CHN

Tongchuan

China

DwaCold, dry winter, hot summer(77 %)

Species observed

28

Observations

36

Area

797,9km²

Ecological tissue

Sample of 7 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 Tongchuan : 7 espèces reliées par 5 interactions GloBI sur 4 types (connectance 23.8%, filtre Serrano α=0.2).

Espèces affichées
7
Interactions affichées
5
Connectance
0.238
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

28 distinct species · 36 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

36 obs · 9 cellules
Obs. / cellule
≥ 13
13–12
5–12
2–4
< 2

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

Climate

Mean T°

11,2°C

Annual rain

654mm

Warmest m°

27,7°C

Coldest m°

-7,1°C

Elevation: 1 110 m on average (min 745 m, max 1 646 m)

Bioclimatic detailsExpert
Annual mean temp.
11,2°C
Annual rain
654mm
Warmest month
27,7°C
Coldest month
-7,1°C
Mean alt.
1 110m
Min
745m
Max
1 646m
Std. dev.
186m
Köppen-Geiger (dominant)
DwaCold, dry winter, hot summer(77 %)Cold

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

Soil & lithology

pH H₂O

7,8

Org. C

17,8g/kg

Clay

23,6%

Sand

27,4%

Silt

49,1%

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

Dominant lithology: ssGLiMaggregated to Tongchuan

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,8
Org. C
31,9g/kg
Clay
23,1%
Sand
27,9%
Silt
49,1%
5–15 cm
pH H₂O
7,8
Org. C
12,3g/kg
Clay
23,6%
Sand
27,4%
Silt
49,1%
15–30 cm
pH H₂O
7,8
Org. C
9,0g/kg
Clay
24,0%
Sand
26,9%
Silt
49,0%

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

Land cover

Forest28.8%
Crops24.0%
Built-up1.0%
Bare soil1.7%
Other (grassland, water…)44.5%

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

Hydrology6 basins · 0 lakes · 2 rivers

Hydrology metrics for this exact territory

Stream length here

91,1km

Basins crossed

6

Max stream order

3

Max drainage

21 915km²

Discharge in basins

2,9m³/s

Mean precip.

581mm/an

Mean T°

11,7°C

Moisture idx

-0,44

Max snow

1%

Mean runoff

104mm/an

Mean elev. (basins)

987m

Watersheds crossing here

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

Human pressure

Pop. density

4hab/km²

Night light

1,1nW

Built-up

101,5%

Pesticides

71,8kg/km²

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