Dong dongting hu
IUCN IaWetland of International Importance (Ramsar Site) · 1992
1 900 km²
Prefecture City · CHN
Yiyang
China
CfaTemperate, no dry season, hot summer(100 %)
Species observed
955
Observations
2 400
Area
12 180,2km²
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 Yiyang : 37 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 43 interactions GloBI sur 3 types (connectance 5.0%, filtre Serrano α=0.2). 5 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
42
Interactions affichées
43
Connectance
0.050
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
955 distinct species · 2 400 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
16,9°C
Annual rain
1 737mm
Warmest m°
31,2°C
Coldest m°
0,8°C
Elevation: 199 m on average (min 21 m, max 1 390 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
16,9°C
Annual rain
1 737mm
Warmest month
31,2°C
Coldest month
0,8°C
Mean alt.
199m
Min
21m
Max
1 390m
Std. dev.
206m
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
6,0
Org. C
27,2g/kg
Clay
28,8%
Sand
26,9%
Silt
44,2%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: smGLiM
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
6,0
Org. C
41,9g/kg
Clay
28,3%
Sand
27,2%
Silt
44,5%
5–15 cm
pH H₂O
6,0
Org. C
21,5g/kg
Clay
28,7%
Sand
27,0%
Silt
44,3%
15–30 cm
pH H₂O
6,1
Org. C
18,2g/kg
Clay
29,5%
Sand
26,6%
Silt
43,9%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest47.1%
Crops25.6%
Built-up0.9%
Bare soil1.7%
Other (grassland, water…)24.7%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology36 basins · 50 lakes · 19 rivers
Hydrology metrics for this exact territory
Stream length here
1 198,1km
Lake surface here
344,94km²
Basins crossed
36
Max stream order
7
Max drainage
254 214km²
Discharge in basins
14 617,9m³/s
Mean precip.
1 391mm/an
Mean T°
16,7°C
Moisture idx
0,22
Max snow
6%
Mean runoff
732mm/an
Mean elev. (basins)
206m
Watersheds crossing here
- Bassin de 资水sub-area1 914,2 km²overlap1846.84 km²15%
- Bassin de 敷溪河sub-area1 139,3 km²overlap1121.93 km²9%
- Bassin de 藕池河sub-area3 576,5 km²overlap1040.76 km²9%
- Bassin de 资水sub-area1 004,1 km²overlap979.12 km²8%
- Bassin de 草尾河sub-area1 134,3 km²overlap842.53 km²7%
- Bassin de 沱江sub-area1 113,3 km²overlap786.69 km²6%
- Bassin de 泉交河sub-area924 km²overlap764.23 km²6%
- Bassin de 志溪sub-area613,2 km²overlap593.74 km²5%
- Bassin de 资水sub-area577,7 km²overlap571.80 km²5%
27 more basinssorted by overlap
- Bassin de 泥溪河sub-area583,2 km²overlap570.34 km²5%
- Bassin de 沅江sub-area562,3 km²overlap555.93 km²5%
- Bassin de 资水sub-area410,8 km²overlap408.55 km²3%
- Bassin de 善渓sub-area375,2 km²overlap369.66 km²3%
- Basin #22370sub-area349,8 km²overlap344.19 km²3%
- Bassin de 资水sub-area257,2 km²overlap231.36 km²2%
- Bassin de 沅江sub-area374,7 km²overlap187.33 km²2%
- Bassin de 资水sub-area342,6 km²overlap187.03 km²2%
- Bassin de 资水sub-area135,1 km²overlap134.96 km²1%
- Bassin de 资水sub-area519,4 km²overlap99.08 km²1%
- Bassin de 油溪sub-area696,1 km²overlap92.16 km²1%
- Basin #27140sub-area839,1 km²overlap81.53 km²1%
- Bassin de 湄江sub-area758,5 km²overlap81.50 km²1%
- Bassin de 湘江sub-area1 845,5 km²overlap75.59 km²1%
- Bassin de 虎渡河sub-area194,9 km²overlap73.78 km²1%
- Bassin de 湘江sub-area211,3 km²overlap53.75 km²0%
- Bassin de 湘江sub-area74,5 km²overlap21.00 km²0%
- Bassin de 向阳河sub-area912,7 km²overlap20.43 km²0%
- Bassin de 资水sub-area365,5 km²overlap14.45 km²0%
- Bassin de 溆水sub-area3 285,2 km²overlap7.40 km²0%
- Bassin de 夷望溪sub-area739,8 km²overlap6.90 km²0%
- Bassin de 沩水sub-area2 395,2 km²overlap6.61 km²0%
- Bassin de 沅江sub-area1 465,6 km²overlap4.10 km²0%
- Bassin de 涔水sub-area2 501,2 km²overlap3.30 km²0%
- Bassin de 怡溪sub-area882 km²overlap0.98 km²0%
- Bassin de 沅江sub-area1 179,3 km²overlap0.42 km²0%
- Bassin de 沅江sub-area1 303,3 km²overlap0.18 km²0%
Lakes (50, top by area)
- Dongtingarea143,8 km²avg depth3.0 m
- Wanzi Huarea81,6 km²avg depth2.3 m
- Datong Huarea80,8 km²avg depth2.3 m
- Nandongting Huarea59,2 km²avg depth1.4 m
- Zhexi Shuikuarea48,7 km²avg depth75.0 m
- 洞庭湖area28,8 km²avg depth2.3 m
- 漉湖area21,4 km²avg depth1.3 m
- Lake #15417area11 km²avg depth1.6 m
- 洞庭湖area9,3 km²avg depth4.5 m
41 more lakes
- 黄家湖area7,7 km²avg depth2.8 m
- Lanni Huarea5,8 km²avg depth2.2 m
- Lake #76554area4,5 km²avg depth2.5 m
- Lake #76536area4,2 km²avg depth0.5 m
- Lake #76406area4,1 km²avg depth1.7 m
- 浩江湖area4,1 km²avg depth2.0 m
- Fenghuang Huarea3,6 km²avg depth1.0 m
- Lake #76477area3 km²avg depth1.1 m
- Lake #76577area2,7 km²avg depth1.0 m
- Lake #76558area2,3 km²avg depth1.0 m
- Beiping Huarea2,2 km²avg depth2.7 m
- Taohuajiang Shuikuarea2,2 km²avg depth45.6 m
- Lake #76542area2 km²avg depth2.4 m
- Lake #76574area1,9 km²avg depth2.6 m
- Lake #76533area1,9 km²avg depth0.6 m
- Nanmen Huarea1,7 km²avg depth1.5 m
- Yuxingshan Shuikuarea1,4 km²avg depth6.5 m
- 洞庭湖area1,1 km²avg depth0.8 m
- Keshangchong Shuikuarea1,1 km²avg depth13.9 m
- Cihukou Huarea1,1 km²avg depth0.8 m
- Lake #76575area1,1 km²avg depth0.8 m
- Lac 1380336area0,8 km²avg depth1.3 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 1381815area0,7 km²avg depth9.2 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 1381260area0,6 km²avg depth3.8 m
- Lac 1380806area0,6 km²avg depth2.4 m
- Lac 1380608area0,6 km²avg depth3.3 m
- Lac 1380013area0,5 km²avg depth1.4 m
- Lac 1380609area0,5 km²avg depth2.8 m
- Lac 1381124area0,4 km²avg depth3.4 m
- Lac 1380843area0,4 km²avg depth2.1 m
- Lac 1381338area0,4 km²avg depth2.4 m
- Lac 1381690area0,4 km²avg depth7.6 m
Rivers / streams (19, ord ≥ 4)
- 资水ord 6len here480.24 km49%total987 km
- 敷溪河ord 4len here115.31 km100%total115 km
- 泥溪河ord 4len here107.28 km40%total266 km
- 志溪ord 3len here105.49 km100%total106 km
- 草尾河ord 7len here96.99 km97%total100 km
- 沅江ord 7len here88.27 km7%total1182 km
- 嵩竹河ord 7len here59.01 km65%total91 km
- 善渓ord 6len here36.24 km100%total36 km
- 沱江ord 6len here23.62 km2%total988 km
- 虎渡河ord 5len here16.41 km8%total201 km
- 松澧洪道ord 6len here16.32 km70%total23 km
- 泉交河ord 2len here15.69 km100%total16 km
7 more river segmentssorted by Strahler order + length
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
3hab/km²
Night light
0,4nW
Built-up
94,4%
Pesticides
75,4kg/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