Ontologia

Commune · CHN

Guanghan

China

CwaTemperate, dry winter, hot summer(100 %)

Species observed

402

Observations

2 451

Area

563km²

Ecological tissue

Sample of 35 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 Guanghan : 26 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 55 interactions GloBI sur 3 types (connectance 8.7%, filtre Serrano α=0.2). 10 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
36
Interactions affichées
55
Connectance
0.087
Patrimoniales
1
Plus dense que (national)0 %(top 100%)

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

Species present

402 distinct species · 2 451 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

2 451 obs · 12 cellules
Obs. / cellule
≥ 735
551–734
320–550
135–319
< 135

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

Climate

Mean T°

17,3°C

Annual rain

817mm

Warmest m°

29,9°C

Coldest m°

2,3°C

Elevation: 482 m on average (min 451 m, max 683 m)

Bioclimatic detailsExpert
Annual mean temp.
17,3°C
Annual rain
817mm
Warmest month
29,9°C
Coldest month
2,3°C
Mean alt.
482m
Min
451m
Max
683m
Std. dev.
22m
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

21,5g/kg

Clay

31,8%

Sand

22,3%

Silt

45,9%

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

Dominant lithology: suGLiMaggregated to Deyang

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,9
Org. C
37,3g/kg
Clay
30,4%
Sand
22,8%
Silt
46,7%
5–15 cm
pH H₂O
6,9
Org. C
15,6g/kg
Clay
31,2%
Sand
22,5%
Silt
46,3%
15–30 cm
pH H₂O
7,0
Org. C
11,7g/kg
Clay
33,9%
Sand
21,6%
Silt
44,6%

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

Land cover

Forest8.5%
Crops48.9%
Built-up4.9%
Bare soil3.0%
Other (grassland, water…)34.6%

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

Hydrology5 basins · 2 lakes · 13 rivers

Hydrology metrics for this exact territory

Stream length here

206,6km

Lake surface here

0,43km²

Basins crossed

5

Max stream order

5

Max drainage

4 982km²

Discharge in basins

74,9m³/s

Mean precip.

975mm/an

Mean T°

14,2°C

Moisture idx

-0,04

Max snow

5%

Mean runoff

561mm/an

Mean elev. (basins)

998m

Watersheds crossing here

Lakes (2, top by area)

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

Human pressure

Pop. density

7hab/km²

Night light

3,5nW

Built-up

491,6%

Pesticides

70,2kg/km²

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