Ontologia

Commune · CHN

Heyang

China

BSkArid, steppe, cold(67 %)

Species observed

76

Observations

108

Area

1 348,2km²

Ecological tissue

Sample of 18 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 Heyang : 16 espèces reliées par 16 interactions GloBI sur 2 types (connectance 10.5%, filtre Serrano α=0.2). 2 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
18
Interactions affichées
16
Connectance
0.105
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

76 distinct species · 108 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

108 obs · 9 cellules
Obs. / cellule
≥ 85
85–84
3–84
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°

13,7°C

Annual rain

542mm

Warmest m°

30,9°C

Coldest m°

-5,6°C

Elevation: 651 m on average (min 341 m, max 1 423 m)

Bioclimatic detailsExpert
Annual mean temp.
13,7°C
Annual rain
542mm
Warmest month
30,9°C
Coldest month
-5,6°C
Mean alt.
651m
Min
341m
Max
1 423m
Std. dev.
188m
Köppen-Geiger (dominant)
BSkArid, steppe, cold(67 %)Arid

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

14,0g/kg

Clay

20,6%

Sand

32,7%

Silt

46,7%

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

Dominant lithology: suGLiMaggregated to Weinan

3 soil depths detailedExpert
0–5 cm
pH H₂O
8,0
Org. C
24,8g/kg
Clay
20,3%
Sand
32,9%
Silt
46,7%
5–15 cm
pH H₂O
8,1
Org. C
9,1g/kg
Clay
20,7%
Sand
32,6%
Silt
46,7%
15–30 cm
pH H₂O
8,1
Org. C
8,2g/kg
Clay
20,8%
Sand
32,6%
Silt
46,6%

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

Land cover

Forest10.8%
Crops46.3%
Built-up1.6%
Bare soil5.5%
Other (grassland, water…)35.7%

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

Hydrology9 basins · 4 lakes · 3 rivers

Hydrology metrics for this exact territory

Stream length here

110,6km

Lake surface here

37,29km²

Basins crossed

9

Max stream order

7

Max drainage

547 744km²

Discharge in basins

1 282,6m³/s

Mean precip.

541mm/an

Mean T°

12,8°C

Moisture idx

-0,51

Max snow

1%

Mean runoff

117mm/an

Mean elev. (basins)

646m

Watersheds crossing here

Lakes (4, top by area)

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

Human pressure

Pop. density

2hab/km²

Night light

0,6nW

Built-up

160,6%

Pesticides

69,4kg/km²

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