Ontologia

Commune · CHN

Gaolan

China

BSkArid, steppe, cold(100 %)

Species observed

1 969

Observations

4 180

Area

2 450,7km²

Ecological tissue

Sample of 11 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 Gaolan : 8 espèces reliées par 12 interactions GloBI sur 2 types (connectance 21.8%, filtre Serrano α=0.2). 3 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
11
Interactions affichées
12
Connectance
0.218
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

1 969 distinct species · 4 180 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

4 180 obs · 22 cellules
Obs. / cellule
≥ 3 316
95–3 315
5–94
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°

8,9°C

Annual rain

267mm

Warmest m°

26,8°C

Coldest m°

-11,7°C

Elevation: 1 873 m on average (min 1 490 m, max 2 364 m)

Bioclimatic detailsExpert
Annual mean temp.
8,9°C
Annual rain
267mm
Warmest month
26,8°C
Coldest month
-11,7°C
Mean alt.
1 873m
Min
1 490m
Max
2 364m
Std. dev.
157m
Köppen-Geiger (dominant)
BSkArid, steppe, cold(100 %)Arid

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

Soil & lithology

pH H₂O

8,2

Org. C

14,6g/kg

Clay

18,7%

Sand

31,5%

Silt

49,8%

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

Dominant lithology: ssGLiMaggregated to Lanzhou

3 soil depths detailedExpert
0–5 cm
pH H₂O
8,1
Org. C
21,7g/kg
Clay
18,1%
Sand
32,0%
Silt
49,9%
5–15 cm
pH H₂O
8,2
Org. C
11,4g/kg
Clay
18,5%
Sand
31,6%
Silt
49,9%
15–30 cm
pH H₂O
8,2
Org. C
10,7g/kg
Clay
19,4%
Sand
30,9%
Silt
49,7%

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

Land cover

Forest0.3%
Crops18.0%
Built-up0.4%
Bare soil7.5%
Other (grassland, water…)73.8%

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

Hydrology10 basins · 1 lakes · 4 rivers

Hydrology metrics for this exact territory

Stream length here

182,9km

Lake surface here

2,84km²

Basins crossed

10

Max stream order

7

Max drainage

229 657km²

Discharge in basins

1 357,7m³/s

Mean precip.

321mm/an

Mean T°

7,4°C

Moisture idx

-0,67

Max snow

1%

Mean runoff

4mm/an

Mean elev. (basins)

1 923m

Watersheds crossing here

1 more basins

Lakes (1, top by area)

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

Human pressure

Pop. density

0hab/km²

Night light

1,3nW

Built-up

44,2%

Pesticides

64,5kg/km²

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