Hydrobiology of a flooding ecosystem, Lake Chenhu in Hanyang, Hubei, with preliminary estimation of its potential fishery production capacity

Liang Yanling; Wang Ji; Hu Chuanlin

doi:10.1007/BF02846563

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Hydrobiology of a flooding ecosystem, Lake Chenhu in Hanyang, Hubei, with preliminary estimation of its potential fishery production capacity

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- Hydrobiology of a flooding ecosystem, Lake Chenhu in Hanyang, Hubei, with preliminary estimation of its potential fishery production capacity
- Hydrobiology of a flooding ecosystem, Lake Chenhu in Hanyang, Hubei, with preliminary estimation of its potential fishery production capacity
- 海洋湖沼学报（英文） 1988年6卷第1期页码：1-14
- Affiliations：
  
  Institute of Hydrobiology
- Author bio：
- Funds：
- DOI：10.1007/BF02846563
  中图分类号：
- 纸质出版：1988
- Accepted：
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Hydrobiology of a flooding ecosystem, Lake Chenhu in Hanyang, Hubei, with preliminary estimation of its potential fishery production capacity[J]. 海洋湖沼学报（英文）, 1988,6(1):1-14.

Yanling, L., Ji, W. & Chuanlin, H. Hydrobiology of a flooding ecosystem, Lake Chenhu in Hanyang, Hubei, with preliminary estimation of its potential fishery production capacity., Chin. J. Ocean. Limnol. 6, 1–14 (1988). https://doi.org/10.1007/BF02846563
Hydrobiology of a flooding ecosystem, Lake Chenhu in Hanyang, Hubei, with preliminary estimation of its potential fishery production capacity[J]. 海洋湖沼学报（英文）, 1988,6(1):1-14. DOI： 10.1007/BF02846563.

Yanling, L., Ji, W. & Chuanlin, H. Hydrobiology of a flooding ecosystem, Lake Chenhu in Hanyang, Hubei, with preliminary estimation of its potential fishery production capacity., Chin. J. Ocean. Limnol. 6, 1–14 (1988). https://doi.org/10.1007/BF02846563 DOI：

摘要

Abstract

For the purpose of fishery development

a hydrobiological investigation of Lake Chenhu was carried out in 1983 with reference to the productivity of various food organisms as well as fish. Of the entire lake

the annual net primary production was determined to be 27

818×106 kcal for phytoplankton

898×106 kcal for macrophytes and 64

840×106 kcal for wet land vegetation. The annual secondary production chiefly from gastropods was 2

632×106 kcal. On the basis of 1981–1982 fishery data

the production of the main stocked fishes in the lake was also roughly computed. Analysing all obtained production data

we find the energy conversion rate of food organisms to fish in the water at the present stage is fairly low. Even in 1982

the year of better fishery management

food energy converted to plankton feeders or herbivores was only 1.6–1.8%; energy converted to fish yield was even lower

only 0.2–0.8%. To get a potential fish output of the ecosystem

a tentative estimation of fishery capacity of Lake Chenhu was made by using the index of food quotients and relevant conversion factors. The theoretical fish production in the lake is estimated to be around 6

000 t and

through the improvement of fishery management

an annual fish yield of 2

000 t can be expected.

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references

Chen Hungta and Ho Tsuhwa, 1975. Standing crop of the macrophytes of Lake Tunghu, Wuchang, with reference to the problem of its rational piscicultural utilization.Acta Hydrobiol. Sinica 5(3): 411–420. (in Chinese with English abstract)

Huang Zhongzhi, Shi Wenlei and Liao Chaoxing, 1982. Forage of Fish. Agriculture Publishing House, Beijing. 127 pp. (in Chinese)

Jao Chinchih (ed.), 1956. General Knowledge of Lake Surveys for Fish Culture. Science Press, Beijing 370 pp. (in Chinese)

Leith, H., and Whittaker, R.L. (eds.), 1975. Primary Productivity of the Biosphere. Ecological Studies v. 14. Springer-Verlag, N.Y. 339 pp.

Liang Yanling, Melack, J.M. and Wang Ji, 1981. Primary production and fish yields in Chinese ponds and lakes.Trans. Amer Fish. Soc. 110(3): 346–350.

Liu Jiankang, 1955. On the productivity of two experimental fishponds managed with traditional method of Chinese pisciculture.Acta Hydrobiol. Sinica 1: 25–45. (in Chinese with English abstract)

Liu Wenyu, Li Yenchuan, Chen Shitao, Liu Fushing and Li Shaoying, 1963. On the digestion and utilization of some plants by fingerlings of the grass carpCtenopharyngodon idellus (Cuv. et Val.)Acta Hydrobiol. Sinica 3: 112–120. (in Chinese with English abstract)

Wang Ji and Liang Yanling, 1981. An estimation of the potential productivity and stocking rate of fingerlings of silver and bighead carps in Donghu Lake by means of phytoplankton production.Jour. Fisheries China 5(4): 343–350. (in Chinese with English abstract)

Waters, T.F., 1977. Secondary production in Inland Waters.In: Macfadyen, A. (ed.) Advances in Ecological Research v. 10. Academic Press, pp. 91–164.

Winberg, G.G. (ed.), 1971. Symbols, Units and Conversion Factors in Studies of Fresh Water Productivity. IBP Central Office, pp. 382–404.

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