Ontologia

Commune · CHN

Kai

China

CwaTemperate, dry winter, hot summer(90 %)

Species observed

200

Observations

358

Area

3 996,2km²

Ecological tissue

Sample of 30 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 Kai : 23 espèces reliées par 35 interactions GloBI sur 3 types (connectance 7.5%, filtre Serrano α=0.2). 8 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
31
Interactions affichées
35
Connectance
0.075
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

200 distinct species · 358 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

358 obs · 25 cellules
Obs. / cellule
≥ 111
59–110
11–58
3–10
< 3

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

Climate

Mean T°

15,9°C

Annual rain

1 510mm

Warmest m°

28,7°C

Coldest m°

0,5°C

Elevation: 765 m on average (min 172 m, max 2 448 m)

Bioclimatic detailsExpert
Annual mean temp.
15,9°C
Annual rain
1 510mm
Warmest month
28,7°C
Coldest month
0,5°C
Mean alt.
765m
Min
172m
Max
2 448m
Std. dev.
475m
Köppen-Geiger (dominant)
CwaTemperate, dry winter, hot summer(90 %)Temperate

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

Soil & lithology

pH H₂O

6,2

Org. C

28,9g/kg

Clay

27,7%

Sand

28,8%

Silt

43,6%

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

Dominant lithology: scGLiMaggregated to Chongqing

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,2
Org. C
47,4g/kg
Clay
27,4%
Sand
29,1%
Silt
43,5%
5–15 cm
pH H₂O
6,2
Org. C
21,5g/kg
Clay
27,4%
Sand
28,9%
Silt
43,6%
15–30 cm
pH H₂O
6,2
Org. C
17,8g/kg
Clay
28,2%
Sand
28,3%
Silt
43,5%

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

Land cover

Forest52.8%
Crops22.4%
Built-up0.5%
Bare soil0.4%
Other (grassland, water…)23.9%

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

Hydrology13 basins · 2 lakes · 4 rivers

Hydrology metrics for this exact territory

Stream length here

500,9km

Lake surface here

0,41km²

Basins crossed

13

Max stream order

5

Max drainage

946 878km²

Discharge in basins

250,0m³/s

Mean precip.

1 257mm/an

Mean T°

15,2°C

Moisture idx

0,15

Max snow

8%

Mean runoff

715mm/an

Mean elev. (basins)

767m

Watersheds crossing here

4 more basins

Lakes (2, top by area)

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

Human pressure

Pop. density

2hab/km²

Night light

0,3nW

Built-up

54,1%

Pesticides

80,9kg/km²

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