Ontologia

Commune · CHN

Yi'an

China

DwaCold, dry winter, hot summer(100 %)

Species observed

33

Observations

40

Area

3 704,5km²

Ecological tissue

Sample of 11 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 Yi'an : 10 espèces reliées par 11 interactions GloBI sur 2 types (connectance 20.0%, filtre Serrano α=0.2). 1 bulle taxonomique (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
11
Interactions affichées
11
Connectance
0.200
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

33 distinct species · 40 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

40 obs · 7 cellules
Obs. / cellule
≥ 23
23–22
4–22
3–3
< 3

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

Climate

Mean T°

3,0°C

Annual rain

510mm

Warmest m°

26,6°C

Coldest m°

-26,5°C

Elevation: 202 m on average (min 162 m, max 288 m)

Bioclimatic detailsExpert
Annual mean temp.
3,0°C
Annual rain
510mm
Warmest month
26,6°C
Coldest month
-26,5°C
Mean alt.
202m
Min
162m
Max
288m
Std. dev.
27m
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

7,2

Org. C

27,1g/kg

Clay

34,9%

Sand

23,3%

Silt

41,8%

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
7,2
Org. C
35,0g/kg
Clay
33,9%
Sand
23,9%
Silt
42,2%
5–15 cm
pH H₂O
7,2
Org. C
25,5g/kg
Clay
34,4%
Sand
23,4%
Silt
42,1%
15–30 cm
pH H₂O
7,3
Org. C
20,7g/kg
Clay
36,3%
Sand
22,7%
Silt
41,0%

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

Land cover

Forest2.1%
Crops59.9%
Built-up0.7%
Bare soil1.3%
Other (grassland, water…)36.1%

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

Hydrology16 basins · 6 lakes · 2 rivers

Hydrology metrics for this exact territory

Stream length here

130,4km

Lake surface here

20,73km²

Basins crossed

16

Max stream order

5

Max drainage

9 697km²

Discharge in basins

93,5m³/s

Mean precip.

464mm/an

Mean T°

2,3°C

Moisture idx

-0,41

Max snow

29%

Mean runoff

99mm/an

Mean elev. (basins)

194m

Watersheds crossing here

7 more basins

Lakes (6, 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

68,4%

Pesticides

79,2kg/km²

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