A study on the age and growth of Lake Anchovy (Coilia ectenes taihuensis Yuen et Tin) in Taihu Lake

Sun Xuexing

doi:10.1007/BF02850410

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A study on the age and growth of Lake Anchovy (Coilia ectenes taihuensis Yuen et Tin) in Taihu Lake

OriginalPaper | Updated：2023-05-16

- A study on the age and growth of Lake Anchovy (Coilia ectenes taihuensis Yuen et Tin) in Taihu Lake
- A study on the age and growth of Lake Anchovy (Coilia ectenes taihuensis Yuen et Tin) in Taihu Lake
- 海洋湖沼学报（英文） 1986年4卷第3期页码：227-238
- Affiliations：
  
  Freshwater Fisheries Research Center
- Author bio：
- Funds：
- DOI：10.1007/BF02850410
  中图分类号：
- 纸质出版：1986
- Accepted：
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A study on the age and growth of Lake Anchovy (Coilia ectenes taihuensis Yuen et Tin) in Taihu Lake[J]. 海洋湖沼学报（英文）, 1986,4(3):227-238.

Xuexing, S. A study on the age and growth of Lake Anchovy (Coilia ectenes taihuensis Yuen et Tin) in Taihu Lake., Chin. J. Ocean. Limnol. 4, 227–238 (1986). https://doi.org/10.1007/BF02850410
A study on the age and growth of Lake Anchovy (Coilia ectenes taihuensis Yuen et Tin) in Taihu Lake[J]. 海洋湖沼学报（英文）, 1986,4(3):227-238. DOI： 10.1007/BF02850410.

Xuexing, S. A study on the age and growth of Lake Anchovy (Coilia ectenes taihuensis Yuen et Tin) in Taihu Lake., Chin. J. Ocean. Limnol. 4, 227–238 (1986). https://doi.org/10.1007/BF02850410 DOI：

摘要

Abstract

Scales of the Lake Anchovy in Taihu Lake are used as a basis for its age determination. Annual variation of scale edge growth rate (α) indicates that the annulus forms once a year

mainly in April–June. The relationship formula for body length and scale diameter is L=18.658+118.06R

that for body length and weight isW♀=7.588×10−6 L 2.8301;W♂=5.584×10−6 L 2.8781. The fish before age II have a higher relative growth rate in body length and weight and a higher growth index. Growth is consistent with the growth equation by Von Bertalanffy. The turning point of the body weight growth curve is located between age II and III; the exact position is atW=0.292W ∞. Variation specificity of the growth course can be reflected by the growth rate and its acceleration curves. Time for capture of the fish should preferably be after age II

when they have reached a body length of 170 mm. That is one of the key measures to increase Lake Anchovy production in Taihu Lake.

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references

Beverton, R. I. H. and Holt, S. J., 1957. On the dynamics of exploited fish populations.Fish Invest. 2(19):1–533.

Walford, L. A., 1946. A new graphic method of describing the growth of animals.Biol. Bull. 90(2): 141–147.

Chiugunova, N. E., 1952. A method for the study of the age and growth of fishes (in Russian, Translated into Chinese by Liu Jiankang and Chen Beisun). Science Press, Beijing. 1956. pp 90.

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