Spawning Per Recruit Analysis for Female Snow Crab Chionoecetes opilio in the Sea off Kyoto Prefecture.

• Katsukawa Toshio

• Lee Yealing

• Matsumiya Yoshiharu

Bibliographic Information

Other Title

• 京都府周辺海域の雌ズワイガニのＳｐａｗｎｉｎｇ　Ｐｅｒ　Ｒｅｃｒｕｉｔ解析
• キョウトフ シュウヘン カイイキ ノ メス ズワイガニ ノ Spawning Per Recruit カイセキ

Abstract

Analysis of Spawning Per Recruit (SPR) has been used to evaluate the effect of the fishing mortality on the spawning ability of the stock. We analyzed fishery data on snow crab Chionoecetes opilio by using this technique. This stock is managed by seasonal protected area. Before the protected area was introduced, the stock was at about 1.1% of the maximum possible spawning stock biomass per recruit. By the protected area, %SPR of this species has improved to 4.2%, nearly four times larger than before. We also examined the effect of changing the fishing gear from Danish seines to traps. Since traps are more selective, we can decrease bycatch mortality by using a trap instead of a Danish seine. Our analysis suggested that we can enhance %SPR to 13.8% by using traps.

Journal

• NIPPON SUISAN GAKKAISHI

  NIPPON SUISAN GAKKAISHI 65 (2), 288-293, 1999

  The Japanese Society of Fisheries Science

Keywords

• ズワイガニ
• 資源管理
• SPR解析
• 禁漁区
• カニカゴ

Details

• CRID: 1390282681388163712
• NII Article ID: 110003144786
• NII Book ID: AN00193422
• DOI: 10.2331/suisan.65.288
• ISSN: 1349998X
• ISSN: 00215392
• ISSN: http://id.crossref.org/issn/00215392
• NDL BIB ID: 4687168
• Web Site: https://agriknowledge.affrc.go.jp/RN/2010582574
• Web Site: https://ndlsearch.ndl.go.jp/books/R000000004-I4687168
• Web Site: http://dl.ndl.go.jp/info:ndljp/pid/11074930
• Text Lang: ja
• Data Source:
  • JaLC
  • IRDB
  • NDL
  • Crossref
  • NDL-Digital
  • CiNii Articles
• Abstract License Flag: Disallowed