Ontologia

Commune · CHN

Yanjin

China

CwaTemperate, dry winter, hot summer(100 %)

Species observed

34

Observations

62

Area

953,2km²

Ecological tissue

Sample of 15 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 Yanjin : 14 espèces reliées par 11 interactions GloBI sur 2 types (connectance 10.5%, filtre Serrano α=0.2). 1 bulle taxonomique (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
15
Interactions affichées
11
Connectance
0.105
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

34 distinct species · 62 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

62 obs · 3 cellules
Obs. / cellule
≥ 46
46–45
46–45
15–45
< 15

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

Climate

Mean T°

14,8°C

Annual rain

634mm

Warmest m°

31,7°C

Coldest m°

-4,8°C

Elevation: 70 m on average (min 63 m, max 76 m)

Bioclimatic detailsExpert
Annual mean temp.
14,8°C
Annual rain
634mm
Warmest month
31,7°C
Coldest month
-4,8°C
Mean alt.
70m
Min
63m
Max
76m
Std. dev.
3m
Köppen-Geiger (dominant)
CwaTemperate, dry winter, 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

8,2

Org. C

7,4g/kg

Clay

19,7%

Sand

38,4%

Silt

41,9%

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

Dominant lithology: scGLiMaggregated to Xinxiang

3 soil depths detailedExpert
0–5 cm
pH H₂O
8,1
Org. C
11,3g/kg
Clay
18,5%
Sand
39,3%
Silt
42,2%
5–15 cm
pH H₂O
8,2
Org. C
5,5g/kg
Clay
19,0%
Sand
39,1%
Silt
41,9%
15–30 cm
pH H₂O
8,3
Org. C
5,4g/kg
Clay
21,7%
Sand
36,7%
Silt
41,6%

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

Land cover

Forest3.7%
Crops77.0%
Built-up3.5%
Bare soil2.5%
Other (grassland, water…)13.4%

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

Hydrology7 basins · 0 lakes · 3 rivers

Hydrology metrics for this exact territory

Stream length here

78,3km

Basins crossed

7

Max stream order

4

Max drainage

10 004km²

Discharge in basins

3,0m³/s

Mean precip.

588mm/an

Mean T°

14,8°C

Moisture idx

-0,52

Max snow

2%

Mean runoff

70mm/an

Mean elev. (basins)

77m

Watersheds crossing here

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

Human pressure

Pop. density

4hab/km²

Night light

1,9nW

Built-up

349,1%

Pesticides

71,9kg/km²

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