Ontologia

Commune · CHN

Gu'an

China

BSkArid, steppe, cold(100 %)

Species observed

203

Observations

940

Area

692,5km²

Ecological tissue

Sample of 45 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 Gu'an : 38 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 58 interactions GloBI sur 6 types (connectance 5.9%, filtre Serrano α=0.2). 7 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
45
Interactions affichées
58
Connectance
0.059
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

203 distinct species · 940 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

940 obs · 10 cellules
Obs. / cellule
≥ 896
896–895
12–895
3–11
< 3

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

Climate

Mean T°

13,4°C

Annual rain

508mm

Warmest m°

31,6°C

Coldest m°

-7,7°C

Elevation: 19 m on average (min 9 m, max 33 m)

Bioclimatic detailsExpert
Annual mean temp.
13,4°C
Annual rain
508mm
Warmest month
31,6°C
Coldest month
-7,7°C
Mean alt.
19m
Min
9m
Max
33m
Std. dev.
5m
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

7,9

Org. C

10,2g/kg

Clay

16,3%

Sand

43,7%

Silt

40,0%

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

Dominant lithology: suGLiMaggregated to Langfang

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,8
Org. C
14,9g/kg
Clay
16,4%
Sand
44,1%
Silt
39,5%
5–15 cm
pH H₂O
7,9
Org. C
7,8g/kg
Clay
15,9%
Sand
43,9%
Silt
40,2%
15–30 cm
pH H₂O
7,9
Org. C
7,9g/kg
Clay
16,7%
Sand
43,0%
Silt
40,3%

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

Land cover

Forest5.3%
Crops58.7%
Built-up5.3%
Bare soil2.8%
Other (grassland, water…)27.9%

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

Hydrology5 basins · 0 lakes · 10 rivers

Hydrology metrics for this exact territory

Stream length here

131,8km

Basins crossed

5

Max stream order

6

Max drainage

139 831km²

Discharge in basins

28,3m³/s

Mean precip.

543mm/an

Mean T°

12,3°C

Moisture idx

-0,50

Max snow

1%

Mean runoff

34mm/an

Mean elev. (basins)

43m

Watersheds crossing here

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

Human pressure

Pop. density

4hab/km²

Night light

3,9nW

Built-up

532,9%

Pesticides

69,6kg/km²

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