Dong dongting hu
IUCN IaWetland of International Importance (Ramsar Site) · 1992
1 900 km²
Commune · CHN
Yuanjiang
China
CfaTemperate, no dry season, hot summer(100 %)
Species observed
133
Observations
273
Area
2 037,4km²
Ecological tissue
Sample of 26 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 Yuanjiang : 21 espèces reliées par 31 interactions GloBI sur 3 types (connectance 8.8%, filtre Serrano α=0.2). 6 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
27
Interactions affichées
31
Connectance
0.088
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
133 distinct species · 273 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
17,9°C
Annual rain
1 556mm
Warmest m°
32,1°C
Coldest m°
1,9°C
Elevation: 29 m on average (min 21 m, max 71 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
17,9°C
Annual rain
1 556mm
Warmest month
32,1°C
Coldest month
1,9°C
Mean alt.
29m
Min
21m
Max
71m
Std. dev.
5m
Köppen-Geiger (dominant)
CfaTemperate, no dry season, 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
6,2
Org. C
23,6g/kg
Clay
29,7%
Sand
23,0%
Silt
47,3%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: smGLiMaggregated to Yiyang
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
6,2
Org. C
27,3g/kg
Clay
29,7%
Sand
22,6%
Silt
47,7%
5–15 cm
pH H₂O
6,2
Org. C
16,9g/kg
Clay
30,2%
Sand
22,8%
Silt
47,0%
15–30 cm
pH H₂O
6,2
Org. C
26,6g/kg
Clay
29,2%
Sand
23,5%
Silt
47,3%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest13.6%
Crops47.5%
Built-up0.8%
Bare soil4.0%
Other (grassland, water…)34.1%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology9 basins · 42 lakes · 8 rivers
Hydrology metrics for this exact territory
Stream length here
252,1km
Lake surface here
182,28km²
Basins crossed
9
Max stream order
7
Max drainage
254 214km²
Discharge in basins
8 903,2m³/s
Mean precip.
1 314mm/an
Mean T°
17,3°C
Moisture idx
0,18
Max snow
1%
Mean runoff
641mm/an
Mean elev. (basins)
31m
Watersheds crossing here
- Bassin de 草尾河sub-area1 134,3 km²overlap842.53 km²41%
- Bassin de 藕池河sub-area3 576,5 km²overlap421.52 km²21%
- Bassin de 沅江sub-area562,3 km²overlap349.70 km²17%
- Bassin de 沅江sub-area374,7 km²overlap176.96 km²9%
- Bassin de 沱江sub-area1 113,3 km²overlap138.34 km²7%
- Bassin de 湘江sub-area211,3 km²overlap53.75 km²3%
- Bassin de 资水sub-area342,6 km²overlap32.82 km²2%
- Bassin de 湘江sub-area74,5 km²overlap21.00 km²1%
- Bassin de 湘江sub-area1 845,5 km²overlap0.81 km²0%
Lakes (42, top by area)
- Wanzi Huarea81,6 km²avg depth2.3 m
- Datong Huarea80,8 km²avg depth2.3 m
- Nandongting Huarea59,2 km²avg depth1.4 m
- 洞庭湖area28,8 km²avg depth2.3 m
- 漉湖area21,4 km²avg depth1.3 m
- 洞庭湖area9,3 km²avg depth4.5 m
- 黄家湖area7,7 km²avg depth2.8 m
- Lake #76536area4,2 km²avg depth0.5 m
- 浩江湖area4,1 km²avg depth2.0 m
33 more lakes
- Lake #76477area3 km²avg depth1.1 m
- Lake #76542area2 km²avg depth2.4 m
- 洞庭湖area1,1 km²avg depth0.8 m
- Lac 1380661area0,8 km²avg depth3.6 m
- Lac 1380847area0,8 km²avg depth2.5 m
- Lac 1381024area0,8 km²avg depth2.6 m
- Lac 1380672area0,8 km²avg depth1.1 m
- Lac 1380792area0,7 km²avg depth2.3 m
- Lac 1380923area0,7 km²avg depth1.5 m
- Lac 1380669area0,6 km²avg depth2.6 m
- Lac 1380649area0,6 km²avg depth1.5 m
- Lac 1380752area0,6 km²avg depth0.6 m
- Lac 1380806area0,6 km²avg depth2.4 m
- Lac 1380608area0,6 km²avg depth3.3 m
- Lac 1380609area0,5 km²avg depth2.8 m
- Lac 1380843area0,4 km²avg depth2.1 m
- Lac 1380791area0,4 km²avg depth0.7 m
- Lac 1380690area0,3 km²avg depth2.1 m
- Lac 1380719area0,3 km²avg depth1.2 m
- Lac 1380534area0,3 km²avg depth1.2 m
- Lac 1380682area0,3 km²avg depth2.3 m
- Lac 1380722area0,3 km²avg depth2.3 m
- Lac 1380533area0,3 km²avg depth1.1 m
- Lac 1380665area0,2 km²avg depth0.9 m
- Lac 1380938area0,2 km²avg depth1.2 m
- Lac 1380814area0,2 km²avg depth1.0 m
- Lac 1380813area0,2 km²avg depth2.4 m
- Lac 1380659area0,2 km²avg depth0.5 m
- Lac 1380624area0,1 km²avg depth1.1 m
- Lac 1380917area0,1 km²avg depth2.1 m
- Lac 1380599area0,1 km²avg depth1.9 m
- Lac 1380996area0,1 km²avg depth1.5 m
- Lac 1380812area0,1 km²avg depth2.1 m
Rivers / streams (8, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
2hab/km²
Night light
0,2nW
Built-up
85,1%
Pesticides
67,1kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas2
IUCN Ia · 1IUCN Not Reported · 1
Nan Dongting Wetland & Waterfowl Reserve
IUCN Not ReportedWetland of International Importance (Ramsar Site) · 2002
1 140 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN