Ontologia

Prefecture City · CHN

Guyuan

China

DwbCold, dry winter, warm summer(81 %)

Species observed

866

Observations

2 536

Area

11 286,9km²

Ecological tissue

Sample of 31 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 Guyuan : 25 espèces reliées par 38 interactions GloBI sur 4 types (connectance 8.2%, filtre Serrano α=0.2). 6 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
31
Interactions affichées
38
Connectance
0.082
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

866 distinct species · 2 536 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

2 536 obs · 61 cellules
Obs. / cellule
≥ 706
95–705
14–94
6–13
< 6

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

Climate

Mean T°

7,0°C

Annual rain

489mm

Warmest m°

23,8°C

Coldest m°

-13,0°C

Elevation: 1 883 m on average (min 1 350 m, max 2 702 m)

Bioclimatic detailsExpert
Annual mean temp.
7,0°C
Annual rain
489mm
Warmest month
23,8°C
Coldest month
-13,0°C
Mean alt.
1 883m
Min
1 350m
Max
2 702m
Std. dev.
241m
Köppen-Geiger (dominant)
DwbCold, dry winter, warm summer(81 %)Cold

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

Soil & lithology

pH H₂O

8,1

Org. C

21,2g/kg

Clay

23,8%

Sand

28,5%

Silt

47,8%

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

Dominant lithology: suGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
8,0
Org. C
35,0g/kg
Clay
22,9%
Sand
28,8%
Silt
48,3%
5–15 cm
pH H₂O
8,1
Org. C
15,6g/kg
Clay
23,6%
Sand
28,6%
Silt
47,7%
15–30 cm
pH H₂O
8,1
Org. C
12,9g/kg
Clay
24,8%
Sand
27,9%
Silt
47,3%

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

Land cover

Forest12.8%
Crops29.6%
Built-up0.4%
Bare soil3.3%
Other (grassland, water…)53.9%

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

Hydrology23 basins · 35 lakes · 12 rivers

Hydrology metrics for this exact territory

Stream length here

710,4km

Lake surface here

18,16km²

Basins crossed

23

Max stream order

5

Max drainage

5 852km²

Discharge in basins

16,7m³/s

Mean precip.

470mm/an

Mean T°

7,1°C

Moisture idx

-0,49

Max snow

2%

Mean runoff

34mm/an

Mean elev. (basins)

1 848m

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

Human pressure

Pop. density

1hab/km²

Night light

0,4nW

Built-up

37,5%

Pesticides

69,5kg/km²

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

Sub-administrations4