Ontologia

Commune · CHN

Hegang

China

DwbCold, dry winter, warm summer(85 %)

Species observed

1 758

Observations

4 181

Area

1 832,9km²

Ecological tissue

Sample of 13 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 Hegang : 10 espèces reliées par 13 interactions GloBI sur 4 types (connectance 16.7%, filtre Serrano α=0.2). 3 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
13
Interactions affichées
13
Connectance
0.167
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

1 758 distinct species · 4 181 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

4 181 obs · 28 cellules
Obs. / cellule
≥ 2 438
76–2 437
31–75
11–30
< 11

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

Climate

Mean T°

2,3°C

Annual rain

677mm

Warmest m°

24,9°C

Coldest m°

-25,4°C

Elevation: 243 m on average (min 81 m, max 723 m)

Bioclimatic detailsExpert
Annual mean temp.
2,3°C
Annual rain
677mm
Warmest month
24,9°C
Coldest month
-25,4°C
Mean alt.
243m
Min
81m
Max
723m
Std. dev.
99m
Köppen-Geiger (dominant)
DwbCold, dry winter, warm summer(85 %)Cold

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

Soil & lithology

pH H₂O

6,1

Org. C

56,7g/kg

Clay

27,7%

Sand

31,0%

Silt

41,3%

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

Dominant lithology: suGLiMaggregated to Hegang

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,1
Org. C
89,7g/kg
Clay
27,4%
Sand
31,1%
Silt
41,6%
5–15 cm
pH H₂O
6,1
Org. C
50,9g/kg
Clay
27,2%
Sand
31,3%
Silt
41,5%
15–30 cm
pH H₂O
6,1
Org. C
29,7g/kg
Clay
28,5%
Sand
30,6%
Silt
40,9%

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

Land cover

Forest61.1%
Crops18.4%
Built-up0.8%
Bare soil0.2%
Other (grassland, water…)19.4%

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

Hydrology7 basins · 11 lakes · 7 rivers

Hydrology metrics for this exact territory

Stream length here

161,2km

Lake surface here

9,76km²

Basins crossed

7

Max stream order

4

Max drainage

2 888km²

Discharge in basins

20,3m³/s

Mean precip.

601mm/an

Mean T°

1,7°C

Moisture idx

-0,22

Max snow

37%

Mean runoff

187mm/an

Mean elev. (basins)

221m

Watersheds crossing here

Lakes (11, top by area)

2 more lakes

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

Human pressure

Pop. density

2hab/km²

Night light

0,4nW

Built-up

75,2%

Pesticides

57,7kg/km²

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