Ontologia

Commune · CHN

Hanjiang

China

CfaTemperate, no dry season, hot summer(100 %)

Species observed

138

Observations

383

Area

818,1km²

Ecological tissue

Sample of 36 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 Hanjiang : 31 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 42 interactions GloBI sur 5 types (connectance 6.7%, filtre Serrano α=0.2). 5 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
36
Interactions affichées
42
Connectance
0.067
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

138 distinct species · 383 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

383 obs · 20 cellules
Obs. / cellule
≥ 178
92–177
15–91
6–14
< 6

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

Climate

Mean T°

15,7°C

Annual rain

1 085mm

Warmest m°

31,1°C

Coldest m°

-1,6°C

Elevation: 8 m on average (min -9 m, max 33 m)

Bioclimatic detailsExpert
Annual mean temp.
15,7°C
Annual rain
1 085mm
Warmest month
31,1°C
Coldest month
-1,6°C
Mean alt.
8m
Min
-9m
Max
33m
Std. dev.
7m
Köppen-Geiger (dominant)
CfaTemperate, no dry season, hot summer(100 %)Temperate

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

Soil & lithology

pH H₂O

7,3

Org. C

14,8g/kg

Clay

34,3%

Sand

17,0%

Silt

48,6%

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

Dominant lithology: suGLiMaggregated to Yangzhou

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,2
Org. C
20,5g/kg
Clay
33,7%
Sand
17,5%
Silt
48,8%
5–15 cm
pH H₂O
7,3
Org. C
13,3g/kg
Clay
34,9%
Sand
16,8%
Silt
48,3%
15–30 cm
pH H₂O
7,4
Org. C
10,5g/kg
Clay
34,5%
Sand
16,8%
Silt
48,7%

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

Land cover

Forest5.1%
Crops35.0%
Built-up6.8%
Bare soil3.0%
Other (grassland, water…)50.1%

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

Hydrology3 basins · 15 lakes · 7 rivers

Hydrology metrics for this exact territory

Stream length here

71,1km

Lake surface here

52,84km²

Basins crossed

3

Max stream order

7

Max drainage

1 732 697km²

Discharge in basins

4 282,3m³/s

Mean precip.

995mm/an

Mean T°

15,3°C

Moisture idx

-0,06

Max snow

2%

Mean runoff

301mm/an

Mean elev. (basins)

9m

Watersheds crossing here

Lakes (15, top by area)

6 more lakes

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

Human pressure

Pop. density

6hab/km²

Night light

8,8nW

Built-up

678,8%

Pesticides

73,9kg/km²

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