Ontologia

Commune · CHN

Gangu

China

DwbCold, dry winter, warm summer(75 %)

Species observed

105

Observations

187

Area

1 580,4km²

Ecological tissue

Sample of 17 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 Gangu : 15 espèces reliées par 18 interactions GloBI sur 2 types (connectance 11.8%, filtre Serrano α=0.2). 3 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
18
Interactions affichées
18
Connectance
0.118
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

105 distinct species · 187 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

187 obs · 6 cellules
Obs. / cellule
≥ 179
179–178
3–178
2–2
< 2

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

Climate

Mean T°

9,2°C

Annual rain

471mm

Warmest m°

25,5°C

Coldest m°

-9,7°C

Elevation: 1 713 m on average (min 1 244 m, max 2 586 m)

Bioclimatic detailsExpert
Annual mean temp.
9,2°C
Annual rain
471mm
Warmest month
25,5°C
Coldest month
-9,7°C
Mean alt.
1 713m
Min
1 244m
Max
2 586m
Std. dev.
258m
Köppen-Geiger (dominant)
DwbCold, dry winter, warm summer(75 %)Cold

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

Soil & lithology

pH H₂O

7,7

Org. C

24,4g/kg

Clay

22,9%

Sand

28,0%

Silt

49,1%

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

Dominant lithology: paGLiMaggregated to Tianshui

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,6
Org. C
40,8g/kg
Clay
21,8%
Sand
28,6%
Silt
49,7%
5–15 cm
pH H₂O
7,7
Org. C
18,0g/kg
Clay
22,7%
Sand
28,1%
Silt
49,2%
15–30 cm
pH H₂O
7,7
Org. C
14,3g/kg
Clay
24,3%
Sand
27,4%
Silt
48,4%

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

Land cover

Forest15.2%
Crops31.9%
Built-up1.0%
Bare soil5.3%
Other (grassland, water…)46.5%

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

Hydrology6 basins · 0 lakes · 8 rivers

Hydrology metrics for this exact territory

Stream length here

226,5km

Basins crossed

6

Max stream order

5

Max drainage

12 643km²

Discharge in basins

36,2m³/s

Mean precip.

561mm/an

Mean T°

8,5°C

Moisture idx

-0,40

Max snow

1%

Mean runoff

119mm/an

Mean elev. (basins)

1 811m

Watersheds crossing here

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

Human pressure

Pop. density

2hab/km²

Night light

0,5nW

Built-up

103,8%

Pesticides

67,1kg/km²

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