Ontologia

Commune · CHN

Cao

China

CwaTemperate, dry winter, hot summer(100 %)

Species observed

41

Observations

55

Area

1 965,4km²

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 Cao : 15 espèces reliées par 12 interactions GloBI sur 4 types (connectance 11.4%, filtre Serrano α=0.2).

Espèces affichées
15
Interactions affichées
12
Connectance
0.114
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

41 distinct species · 55 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

55 obs · 14 cellules
Obs. / cellule
≥ 22
13–21
2–12
1–1
< 1

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

Climate

Mean T°

14,9°C

Annual rain

689mm

Warmest m°

31,2°C

Coldest m°

-4,3°C

Elevation: 53 m on average (min 45 m, max 67 m)

Bioclimatic detailsExpert
Annual mean temp.
14,9°C
Annual rain
689mm
Warmest month
31,2°C
Coldest month
-4,3°C
Mean alt.
53m
Min
45m
Max
67m
Std. dev.
5m
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

8,5

Org. C

5,0g/kg

Clay

21,3%

Sand

25,0%

Silt

53,6%

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

Dominant lithology: wbGLiMaggregated to Heze

3 soil depths detailedExpert
0–5 cm
pH H₂O
8,5
Org. C
6,3g/kg
Clay
20,4%
Sand
25,5%
Silt
54,1%
5–15 cm
pH H₂O
8,5
Org. C
4,2g/kg
Clay
20,9%
Sand
25,2%
Silt
53,9%
15–30 cm
pH H₂O
8,5
Org. C
4,4g/kg
Clay
22,6%
Sand
24,4%
Silt
52,9%

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

Land cover

Forest4.5%
Crops64.6%
Built-up4.5%
Bare soil1.6%
Other (grassland, water…)24.7%

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

Hydrology7 basins · 7 lakes · 12 rivers

Hydrology metrics for this exact territory

Stream length here

186,2km

Lake surface here

2,38km²

Basins crossed

7

Max stream order

4

Max drainage

4 364km²

Discharge in basins

5,5m³/s

Mean precip.

680mm/an

Mean T°

14,4°C

Moisture idx

-0,42

Max snow

1%

Mean runoff

90mm/an

Mean elev. (basins)

51m

Watersheds crossing here

Lakes (7, top by area)

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

Human pressure

Pop. density

5hab/km²

Night light

1,6nW

Built-up

452,7%

Pesticides

73,1kg/km²

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