Ontologia

Commune · CHN

Keshan

China

DwaCold, dry winter, hot summer(70 %)

Species observed

134

Observations

434

Area

3 150,1km²

Ecological tissue

Sample of 5 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 Keshan : 3 espèces reliées par 6 interactions GloBI sur 1 type (connectance 40.0%, filtre Serrano α=0.2). 3 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
6
Interactions affichées
6
Connectance
0.400
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

134 distinct species · 434 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

434 obs · 8 cellules
Obs. / cellule
≥ 404
404–403
8–403
3–7
< 3

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

Climate

Mean T°

2,0°C

Annual rain

535mm

Warmest m°

25,7°C

Coldest m°

-27,7°C

Elevation: 277 m on average (min 195 m, max 362 m)

Bioclimatic detailsExpert
Annual mean temp.
2,0°C
Annual rain
535mm
Warmest month
25,7°C
Coldest month
-27,7°C
Mean alt.
277m
Min
195m
Max
362m
Std. dev.
40m
Köppen-Geiger (dominant)
DwaCold, dry winter, hot summer(70 %)Cold

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

Soil & lithology

pH H₂O

6,8

Org. C

34,4g/kg

Clay

31,6%

Sand

25,7%

Silt

42,7%

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

Dominant lithology: suGLiMaggregated to Qiqihar

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,7
Org. C
47,4g/kg
Clay
30,9%
Sand
25,9%
Silt
43,2%
5–15 cm
pH H₂O
6,8
Org. C
32,0g/kg
Clay
31,0%
Sand
26,2%
Silt
42,8%
15–30 cm
pH H₂O
6,8
Org. C
23,8g/kg
Clay
32,9%
Sand
25,1%
Silt
42,0%

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

Land cover

Forest6.1%
Crops61.0%
Built-up0.6%
Bare soil0.7%
Other (grassland, water…)31.5%

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

Hydrology12 basins · 5 lakes · 3 rivers

Hydrology metrics for this exact territory

Stream length here

192,2km

Lake surface here

6,71km²

Basins crossed

12

Max stream order

5

Max drainage

11 510km²

Discharge in basins

63,9m³/s

Mean precip.

494mm/an

Mean T°

1,2°C

Moisture idx

-0,35

Max snow

31%

Mean runoff

115mm/an

Mean elev. (basins)

264m

Watersheds crossing here

3 more basins

Lakes (5, top by area)

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

Human pressure

Pop. density

1hab/km²

Night light

0,1nW

Built-up

61,3%

Pesticides

80,1kg/km²

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