Ontologia

Commune · CHN

Heihe

China

DwbCold, dry winter, warm summer(97 %)

Species observed

474

Observations

936

Area

14 300,6km²

Ecological tissue

Sample of 37 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 Heihe : 29 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 56 interactions GloBI sur 3 types (connectance 8.4%, filtre Serrano α=0.2). 8 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
37
Interactions affichées
56
Connectance
0.084
Patrimoniales
2
Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Species present

474 distinct species · 936 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

936 obs · 47 cellules
Obs. / cellule
≥ 555
14–554
5–13
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°

-0,2°C

Annual rain

587mm

Warmest m°

24,0°C

Coldest m°

-27,3°C

Elevation: 407 m on average (min 114 m, max 817 m)

Bioclimatic detailsExpert
Annual mean temp.
-0,2°C
Annual rain
587mm
Warmest month
24,0°C
Coldest month
-27,3°C
Mean alt.
407m
Min
114m
Max
817m
Std. dev.
124m
Köppen-Geiger (dominant)
DwbCold, dry winter, warm summer(97 %)Cold

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

Soil & lithology

pH H₂O

5,9

Org. C

58,7g/kg

Clay

21,8%

Sand

39,1%

Silt

39,0%

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

Dominant lithology: paGLiMaggregated to Heihe

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,9
Org. C
89,7g/kg
Clay
21,5%
Sand
40,7%
Silt
37,9%
5–15 cm
pH H₂O
5,9
Org. C
57,4g/kg
Clay
21,5%
Sand
38,7%
Silt
39,7%
15–30 cm
pH H₂O
5,9
Org. C
29,0g/kg
Clay
22,5%
Sand
38,1%
Silt
39,4%

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

Land cover

Forest49.4%
Crops18.7%
Built-up0.1%
Bare soil0.1%
Other (grassland, water…)31.7%

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

Hydrology34 basins · 7 lakes · 12 rivers

Hydrology metrics for this exact territory

Stream length here

742,1km

Lake surface here

9,59km²

Basins crossed

34

Max stream order

8

Max drainage

854 930km²

Discharge in basins

6 437,3m³/s

Mean precip.

543mm/an

Mean T°

-1,3°C

Moisture idx

-0,25

Max snow

33%

Mean runoff

121mm/an

Mean elev. (basins)

387m

Watersheds crossing here

25 more basins

Lakes (7, top by area)

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

Human pressure

Pop. density

0hab/km²

Night light

0,1nW

Built-up

8,7%

Pesticides

36,0kg/km²

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