Ontologia

Commune · CHN

Nanchong Xiàn

China

CwaTemperate, dry winter, hot summer(100 %)

Species observed

99

Observations

146

Area

2 418,7km²

Ecological tissue

Sample of 34 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 Nanchong Xiàn : 31 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 33 interactions GloBI sur 4 types (connectance 5.9%, filtre Serrano α=0.2). 3 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
34
Interactions affichées
33
Connectance
0.059
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

99 distinct species · 146 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

146 obs · 15 cellules
Obs. / cellule
≥ 78
19–77
7–18
3–6
< 3

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

Climate

Mean T°

17,8°C

Annual rain

1 181mm

Warmest m°

30,5°C

Coldest m°

3,2°C

Elevation: 342 m on average (min 255 m, max 653 m)

Bioclimatic detailsExpert
Annual mean temp.
17,8°C
Annual rain
1 181mm
Warmest month
30,5°C
Coldest month
3,2°C
Mean alt.
342m
Min
255m
Max
653m
Std. dev.
49m
Köppen-Geiger (dominant)
CwaTemperate, dry winter, 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

6,9

Org. C

17,5g/kg

Clay

32,5%

Sand

24,3%

Silt

43,2%

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

Dominant lithology: ssGLiMaggregated to Nanchong

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,8
Org. C
31,2g/kg
Clay
32,2%
Sand
24,6%
Silt
43,2%
5–15 cm
pH H₂O
6,9
Org. C
11,4g/kg
Clay
32,5%
Sand
24,4%
Silt
43,1%
15–30 cm
pH H₂O
6,9
Org. C
9,9g/kg
Clay
32,7%
Sand
23,9%
Silt
43,3%

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

Land cover

Forest23.7%
Crops52.3%
Built-up0.7%
Bare soil1.2%
Other (grassland, water…)22.2%

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

Hydrology10 basins · 5 lakes · 7 rivers

Hydrology metrics for this exact territory

Stream length here

338,0km

Lake surface here

1,41km²

Basins crossed

10

Max stream order

7

Max drainage

79 826km²

Discharge in basins

1 298,4m³/s

Mean precip.

1 049mm/an

Mean T°

17,4°C

Moisture idx

-0,01

Max snow

1%

Mean runoff

537mm/an

Mean elev. (basins)

352m

Watersheds crossing here

1 more basins

Lakes (5, top by area)

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

Human pressure

Pop. density

4hab/km²

Night light

1,1nW

Built-up

69,9%

Pesticides

75,5kg/km²

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