Prefecture City · CHN
Ziyang
China
Species observed
467
Observations
1 864
Area
7 936,7km²
Ecological tissue
Sample of 34 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).
Indicateurs du tissu écologique
Tissu écologique de Ziyang : 23 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 67 interactions GloBI sur 6 types (connectance 10.1%, filtre Serrano α=0.2). 14 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
467 distinct species · 1 864 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
17,7°C
Annual rain
1 066mm
Warmest m°
30,0°C
Coldest m°
3,3°C
Elevation: 408 m on average (min 264 m, max 869 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
7,3
Org. C
18,9g/kg
Clay
30,8%
Sand
22,6%
Silt
46,5%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: ssGLiM
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology22 basins · 50 lakes · 31 rivers
Hydrology metrics for this exact territory
Stream length here
1 105,0km
Lake surface here
84,28km²
Basins crossed
22
Max stream order
5
Max drainage
15 245km²
Discharge in basins
616,3m³/s
Mean precip.
986mm/an
Mean T°
17,0°C
Moisture idx
-0,05
Max snow
1%
Mean runoff
509mm/an
Mean elev. (basins)
410m
Watersheds crossing here
- Bassin de 资水河sub-area1 961,3 km²overlap1414.04 km²18%
- Bassin de 蒙溪河sub-area1 417,2 km²overlap1002.79 km²13%
- Bassin de 九曲河sub-area792,7 km²overlap791.48 km²10%
- Bassin de 通贤河sub-area737,7 km²overlap706.82 km²9%
- Bassin de 石羊河sub-area701,8 km²overlap691.50 km²9%
- Bassin de 绛溪河sub-area881,6 km²overlap676.70 km²9%
- Bassin de 大清流河sub-area1 523,7 km²overlap595.47 km²8%
- Bassin de 沱江sub-area448,8 km²overlap448.29 km²6%
- Bassin de 沱江sub-area1 370,5 km²overlap420.86 km²5%
13 more basinssorted by overlap
- Bassin de 蟠龙河sub-area532,3 km²overlap406.20 km²5%
- Bassin de 球溪河sub-area2 539,7 km²overlap262.83 km²3%
- Bassin de 安居河sub-area2 200,3 km²overlap139.98 km²2%
- Bassin de 琼江河sub-area649,1 km²overlap123.40 km²2%
- Bassin de 沱江sub-area159,8 km²overlap68.88 km²1%
- Bassin de 白马河sub-area666,2 km²overlap61.59 km²1%
- Bassin de 胡市河sub-area337,3 km²overlap50.18 km²1%
- Bassin de 沱江sub-area385,4 km²overlap38.38 km²0%
- Bassin de 琼江河sub-area419 km²overlap12.03 km²0%
- Bassin de 沱江sub-area413,3 km²overlap10.87 km²0%
- Bassin de 鹿溪河sub-area1 960,9 km²overlap6.22 km²0%
- Bassin de 琼江河sub-area32,1 km²overlap4.25 km²0%
- Bassin de 濑溪河sub-area499,5 km²overlap3.88 km²0%
Lakes (50, top by area)
- Sancha Shuikuarea35,5 km²avg depth6.4 m
- Lake #15318area18,5 km²avg depth5.4 m
- 书房坝水库area7,1 km²avg depth9.9 m
- Shipan Shuikuarea7 km²avg depth10.6 m
- 龙江水库area4,9 km²avg depth5.0 m
- Paomatan Shuikuarea4,8 km²avg depth6.7 m
- Chaoyang Shuikuarea3,3 km²avg depth8.2 m
- Laoying Shuikuarea3 km²avg depth12.4 m
- Motanhe Shuikuarea2,3 km²avg depth14.0 m
41 more lakes
- Dongchan Shuikuarea1,8 km²avg depth8.3 m
- 蟠龙河水库area1,8 km²avg depth22.8 m
- 桂花水库area1,3 km²avg depth4.3 m
- Yuanxing Shuikuarea1 km²avg depth11.1 m
- Lac 1378550area1 km²avg depth3.5 m
- Lac 1379240area0,9 km²avg depth7.6 m
- Lac 1378735area0,9 km²avg depth3.4 m
- Lac 1378176area0,9 km²avg depth16.9 m
- Lac 1378697area0,8 km²avg depth2.8 m
- Lac 1378530area0,8 km²avg depth7.5 m
- Lac 1378163area0,8 km²avg depth6.0 m
- Lac 1378874area0,8 km²avg depth7.2 m
- Lac 1378124area0,8 km²avg depth5.2 m
- Lac 1379003area0,7 km²avg depth5.2 m
- Lac 1378003area0,6 km²avg depth5.3 m
- Lac 1378411area0,6 km²avg depth3.8 m
- Lac 1378601area0,6 km²avg depth5.7 m
- Lac 1378180area0,5 km²avg depth5.3 m
- Lac 1378633area0,5 km²avg depth4.0 m
- Lac 1378627area0,5 km²avg depth4.0 m
- Lac 1378366area0,5 km²avg depth5.3 m
- Lac 1378610area0,4 km²avg depth6.5 m
- Lac 1378125area0,4 km²avg depth3.9 m
- Lac 1379203area0,4 km²avg depth4.6 m
- Lac 1378751area0,4 km²avg depth2.8 m
- Lac 1378894area0,3 km²avg depth3.3 m
- Lac 1378275area0,3 km²avg depth3.2 m
- Lac 1378385area0,3 km²avg depth4.4 m
- Lac 1378505area0,3 km²avg depth4.2 m
- Lac 1377846area0,3 km²avg depth4.9 m
- Lac 1378309area0,3 km²avg depth4.1 m
- Lac 1378674area0,3 km²avg depth4.0 m
- Lac 1378878area0,3 km²avg depth4.7 m
- Lac 1378683area0,3 km²avg depth2.5 m
- Lac 1379073area0,3 km²avg depth4.6 m
- Lac 1378649area0,3 km²avg depth6.4 m
- Lac 1378604area0,3 km²avg depth4.9 m
- Lac 1378267area0,3 km²avg depth2.8 m
- Lac 1378575area0,3 km²avg depth3.1 m
- Lac 1378128area0,2 km²avg depth2.3 m
- Lac 1378824area0,2 km²avg depth6.7 m
Rivers / streams (31, ord ≥ 4)
- 沱江ord 6len here252.31 km26%total988 km
- 石羊河ord 4len here81.09 km88%total92 km
- 绛溪河ord 4len here78.73 km100%total79 km
- 蒙溪河ord 5len here74.23 km33%total224 km
- 九曲河ord 4len here71.92 km42%total171 km
- 蟠龙河ord 3len here58.21 km64%total91 km
- 资水河ord 3len here51.61 km42%total124 km
- 大清流河ord 4len here47.68 km24%total197 km
- 通贤河ord 3len here39.19 km100%total39 km
- 环溪河ord 4len here36.93 km100%total37 km
- 八庙河ord 2len here36.48 km100%total37 km
- 小清流河ord 2len here35.27 km100%total35 km
19 more river segmentssorted by Strahler order + length
- 龙台河ord 2len here34.15 km100%total34 km
- 毗河供水工程ord 3len here28.62 km64%total45 km
- 岳阳溪ord 3len here25.94 km100%total26 km
- 阳化河ord 5len here22.52 km100%total23 km
- 朝阳河ord 3len here22.06 km27%total82 km
- 姚市河ord 4len here15.75 km96%total16 km
- 高南干渠ord 3len here14.29 km100%total14 km
- 岔岔河ord 2len here12.60 km100%total13 km
- 充水南干渠ord 1len here11.32 km100%total11 km
- 琼江河ord 5len here10.21 km5%total220 km
- 胜利河ord 3len here9.19 km20%total46 km
- 球溪河ord 4len here7.19 km8%total89 km
- 蔡家河ord 3len here6.50 km15%total45 km
- 龙泉山引水隧洞ord 1len here6.04 km100%total6 km
- 高升河ord 2len here5.18 km34%total15 km
- 杨溪河ord 4len here4.06 km11%total36 km
- 白马河ord 3len here2.35 km1%total180 km
- 塘坝河ord 2len here1.95 km6%total35 km
- 板板堰ord 3len here1.41 km9%total16 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
3hab/km²
Night light
1,3nW
Built-up
69,5%
Pesticides
74,2kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)