Ontologia

Commune · CHN

Hekou

China

DwaCold, dry winter, hot summer(100 %)

Species observed

288

Observations

633

Area

2 201,9km²

Ecological tissue

Sample of 28 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 Hekou : 22 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 49 interactions GloBI sur 2 types (connectance 12.1%, filtre Serrano α=0.2). 7 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
29
Interactions affichées
49
Connectance
0.121
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

288 distinct species · 633 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

633 obs · 46 cellules
Obs. / cellule
≥ 136
35–135
10–34
5–9
< 5

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

Climate

Mean T°

13,3°C

Annual rain

584mm

Warmest m°

30,0°C

Coldest m°

-5,6°C

Elevation: 2 m on average (min -5 m, max 9 m)

Bioclimatic detailsExpert
Annual mean temp.
13,3°C
Annual rain
584mm
Warmest month
30,0°C
Coldest month
-5,6°C
Mean alt.
2m
Min
-5m
Max
9m
Std. dev.
2m
Köppen-Geiger (dominant)
DwaCold, dry winter, hot summer(100 %)Cold

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

10,5g/kg

Clay

28,6%

Sand

24,5%

Silt

47,0%

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

Dominant lithology: suGLiMaggregated to Dongying

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,8
Org. C
14,2g/kg
Clay
27,3%
Sand
25,0%
Silt
47,6%
5–15 cm
pH H₂O
7,9
Org. C
9,0g/kg
Clay
27,8%
Sand
24,7%
Silt
47,5%
15–30 cm
pH H₂O
7,9
Org. C
8,2g/kg
Clay
30,6%
Sand
23,7%
Silt
45,7%

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

Land cover

Forest3.7%
Crops28.8%
Built-up1.3%
Bare soil10.6%
Other (grassland, water…)55.7%

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

Hydrology9 basins · 50 lakes · 11 rivers

Hydrology metrics for this exact territory

Stream length here

177,9km

Lake surface here

77,22km²

Basins crossed

9

Max stream order

8

Max drainage

761 253km²

Discharge in basins

91,7m³/s

Mean precip.

581mm/an

Mean T°

12,3°C

Moisture idx

-0,47

Max snow

8%

Mean runoff

118mm/an

Mean elev. (basins)

4m

Watersheds crossing here

Lakes (50, top by area)

41 more lakes

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

Human pressure

Pop. density

1hab/km²

Night light

2,1nW

Built-up

127,9%

Pesticides

72,4kg/km²

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

Protected areas2

IUCN Not Applicable · 1IUCN Ia · 1🌊 Marine · 2

WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN