Ontologia

Commune · CHN

Yutian

China

DwaCold, dry winter, hot summer(100 %)

Species observed

25

Observations

34

Area

1 149km²

Ecological tissue

Sample of 13 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 Yutian : 13 espèces reliées par 12 interactions GloBI sur 2 types (connectance 15.4%, filtre Serrano α=0.2).

Espèces affichées
13
Interactions affichées
12
Connectance
0.154
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

25 distinct species · 34 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

34 obs · 6 cellules
Obs. / cellule
≥ 20
20–19
8–19
2–7
< 2

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

Climate

Mean T°

12,2°C

Annual rain

658mm

Warmest m°

30,6°C

Coldest m°

-10,2°C

Elevation: 17 m on average (min 1 m, max 241 m)

Bioclimatic detailsExpert
Annual mean temp.
12,2°C
Annual rain
658mm
Warmest month
30,6°C
Coldest month
-10,2°C
Mean alt.
17m
Min
1m
Max
241m
Std. dev.
31m
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

7,8

Org. C

9,7g/kg

Clay

22,8%

Sand

40,7%

Silt

36,5%

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

Dominant lithology: scGLiMaggregated to Tangshan

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,7
Org. C
12,2g/kg
Clay
22,3%
Sand
41,0%
Silt
36,7%
5–15 cm
pH H₂O
7,9
Org. C
8,3g/kg
Clay
23,3%
Sand
40,5%
Silt
36,3%
15–30 cm
pH H₂O
7,9
Org. C
8,7g/kg
Clay
22,9%
Sand
40,6%
Silt
36,5%

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

Land cover

Forest6.1%
Crops56.0%
Built-up5.3%
Bare soil1.9%
Other (grassland, water…)30.6%

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

Hydrology4 basins · 0 lakes · 12 rivers

Hydrology metrics for this exact territory

Stream length here

231,3km

Basins crossed

4

Max stream order

5

Max drainage

7 110km²

Discharge in basins

7,8m³/s

Mean precip.

598mm/an

Mean T°

11,3°C

Moisture idx

-0,43

Max snow

2%

Mean runoff

54mm/an

Mean elev. (basins)

39m

Watersheds crossing here

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

Human pressure

Pop. density

5hab/km²

Night light

2,4nW

Built-up

535,5%

Pesticides

75,3kg/km²

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