Selectivity of escape-hole size in tube traps for white-spotted conger Conger myriaster

Bingzhong Yang; Yanli Tang; Zhenlin Liang

doi:10.1007/s00343-011-0086-7

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Selectivity of escape-hole size in tube traps for white-spotted conger Conger myriaster

Updated：2023-05-16

- Selectivity of escape-hole size in tube traps for white-spotted conger Conger myriaster
- Journal of Oceanology and Limnology Vol. 29, Issue 5, Pages: 1041-1047(2011)
- Affiliations：
  
  1. Fisheries College Ocean University of China
  2. Marine College Shandong University at Weihai
- Author bio：
- Funds：
- DOI：10.1007/s00343-011-0086-7
  CLC：
- Online First：08 August 2011，
  
  Published：2011
- Accepted：
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Yang, B., Tang, Y. & Liang, Z. Selectivity of escape-hole size in tube traps for white-spotted conger Conger myriaster, ., Chin. J. Ocean. Limnol. 29, 1041–1047 (2011). https://doi.org/10.1007/s00343-011-0086-7
DOI：

Yang, B., Tang, Y. & Liang, Z. Selectivity of escape-hole size in tube traps for white-spotted conger Conger myriaster, ., Chin. J. Ocean. Limnol. 29, 1041–1047 (2011). https://doi.org/10.1007/s00343-011-0086-7 DOI：

摘要

Abstract

Comparative fishing experiments were carried out in 2010 using tube traps with five hole diameters (8

20 and 22 mm) to establish the size selectivity of escape holes for white-spotted conger. Selectivity and split parameters of the SELECT model were calculated using the estimated-split and equal-spilt model. From likelihood ratio tests and AIC (Akaike’s Information Criterion) values

the estimated-split model was selected as the best-fit model. Size selectivity of escape holes in the tube traps was expressed as a logistic curve

similar to mesh selectivity. The 50% selection length of white-spotted conger in the estimated-split model was 28.26

33.35

39.31 and 47.30 cm for escape-hole diameters of 15

20 and 22 mm

respectively. The optimum escape-hole size is discussed with respect to management of the white-spotted conger fishery. The results indicate that tube traps with escape holes of 18 mm in diameter would benefit this fishery.

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references

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