Dianchi
IUCN VIScenic Area · 1981
2 274 km²
Commune · CHN
Chengjiang
China
CwbTemperate, dry winter, warm summer(99 %)
Species observed
1 030
Observations
2 271
Area
719,1km²
Ecological tissue
Sample of 42 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 Chengjiang : 35 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 39 interactions GloBI sur 2 types (connectance 4.5%, filtre Serrano α=0.2). 7 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
42
Interactions affichées
39
Connectance
0.045
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
1 030 distinct species · 2 271 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
16,4°C
Annual rain
1 037mm
Warmest m°
23,6°C
Coldest m°
4,8°C
Elevation: 1 943 m on average (min 1 471 m, max 2 639 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
16,4°C
Annual rain
1 037mm
Warmest month
23,6°C
Coldest month
4,8°C
Mean alt.
1 943m
Min
1 471m
Max
2 639m
Std. dev.
218m
Köppen-Geiger (dominant)
CwbTemperate, dry winter, warm summer(99 %)Temperate
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
6,1
Org. C
30,9g/kg
Clay
39,2%
Sand
20,8%
Silt
40,0%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: smGLiMaggregated to Yuxi
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
6,1
Org. C
46,1g/kg
Clay
37,4%
Sand
21,6%
Silt
41,0%
5–15 cm
pH H₂O
6,1
Org. C
26,0g/kg
Clay
37,6%
Sand
21,4%
Silt
41,0%
15–30 cm
pH H₂O
6,1
Org. C
20,6g/kg
Clay
42,8%
Sand
19,3%
Silt
37,9%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest31.9%
Crops19.2%
Built-up0.9%
Bare soil1.9%
Other (grassland, water…)46.2%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology6 basins · 5 lakes · 3 rivers
Hydrology metrics for this exact territory
Stream length here
19,8km
Lake surface here
142,09km²
Basins crossed
6
Max stream order
4
Max drainage
8 247km²
Discharge in basins
23,6m³/s
Mean precip.
998mm/an
Mean T°
16,2°C
Moisture idx
-0,19
Mean runoff
425mm/an
Mean elev. (basins)
1 901m
Watersheds crossing here
Lakes (5, top by area)
Rivers / streams (3, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
2hab/km²
Night light
1,2nW
Built-up
86,0%
Pesticides
88,7kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas2
IUCN VI · 1IUCN Not Applicable · 1
Chengjiang Fossil Site
IUCN Not ApplicableWorld Heritage Site (natural or mixed) · 2012
5 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN