Ontologia

Commune · CHN

Weinan

China

BSkArid, steppe, cold(82 %)

Species observed

100

Observations

143

Area

1 262,2km²

Ecological tissue

Sample of 41 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 Weinan : 38 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 40 interactions GloBI sur 4 types (connectance 4.9%, filtre Serrano α=0.2). 3 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
41
Interactions affichées
40
Connectance
0.049
Patrimoniales
1
Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Species present

100 distinct species · 143 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

143 obs · 12 cellules
Obs. / cellule
≥ 77
20–76
9–19
5–8
< 5

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

Climate

Mean T°

15,1°C

Annual rain

547mm

Warmest m°

32,2°C

Coldest m°

-3,9°C

Elevation: 504 m on average (min 341 m, max 2 173 m)

Bioclimatic detailsExpert
Annual mean temp.
15,1°C
Annual rain
547mm
Warmest month
32,2°C
Coldest month
-3,9°C
Mean alt.
504m
Min
341m
Max
2 173m
Std. dev.
298m
Köppen-Geiger (dominant)
BSkArid, steppe, cold(82 %)Arid

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

Soil & lithology

pH H₂O

7,9

Org. C

10,8g/kg

Clay

22,0%

Sand

26,0%

Silt

52,0%

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

Dominant lithology: suGLiMaggregated to Weinan

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,8
Org. C
17,4g/kg
Clay
18,9%
Sand
27,5%
Silt
53,5%
5–15 cm
pH H₂O
7,9
Org. C
7,7g/kg
Clay
20,9%
Sand
26,4%
Silt
52,8%
15–30 cm
pH H₂O
8,0
Org. C
7,4g/kg
Clay
26,1%
Sand
24,2%
Silt
49,6%

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

Land cover

Forest11.2%
Crops49.6%
Built-up3.5%
Bare soil2.6%
Other (grassland, water…)33.1%

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

Hydrology10 basins · 1 lakes · 4 rivers

Hydrology metrics for this exact territory

Stream length here

115,5km

Lake surface here

1,40km²

Basins crossed

10

Max stream order

7

Max drainage

107 657km²

Discharge in basins

504,9m³/s

Mean precip.

588mm/an

Mean T°

13,8°C

Moisture idx

-0,48

Max snow

2%

Mean runoff

128mm/an

Mean elev. (basins)

594m

Watersheds crossing here

1 more basins

Lakes (1, top by area)

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

Human pressure

Pop. density

5hab/km²

Night light

2,3nW

Built-up

352,2%

Pesticides

70,8kg/km²

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