Sampling performance and operational quality of a frame trawl used to catch juvenile fish.

• ITAYA KAZUHIKO

  Graduate School of Fisheries Science, Laboratory of Marine Environment and Resource Sensing, Hokkaido University

• FUJIMORI YASUZUMI

  Graduate School of Fisheries Science, Laboratory of Marine Environment and Resource Sensing, Hokkaido University

• SHIODE DAISUKE

  Graduate School of Fisheries Science, Laboratory of Marine Environment and Resource Sensing, Hokkaido University

• AOKI ICHIRO

  Graduate School of Agricultural and Life Sciences, Laboratory of Fisheries Biology, University of Tokyo

• YONEZAWA TAKASHI

  Graduate School of Fisheries Science, Laboratory of Marine Environment and Resource Sensing, Hokkaido University Taito Seiko Co

• SHIMIZU SUSUMU

  Graduate School of Fisheries Science, Laboratory of Marine Environment and Resource Sensing, Hokkaido University

• MIURA TEISUKE

  Graduate School of Fisheries Science, Laboratory of Marine Environment and Resource Sensing, Hokkaido University

Bibliographic Information

Other Title

• Sampling performance and operational quality of a frame trawl used to catch juvenile fishes

Abstract

A sampling trawl with a rigid mouth; that is, the frame trawl, was designed so as to catch the large larval and juvenile fish more efficiently. The net consisted of four 13 m panels (nylon multifilament and twine diameter φ 0.75 mm, mesh size 8 mm). The frame of the net's mouth was composed of four stainless steel pipes (length 4 m, diameter φ 76 mm, thickness 5 mm). Several operations were conducted to investigate the capability of catching juveniles. A lot of Sardinops melanostictus juveniles, which are generally difficult to catch, were caught during every operation. Underwater observations proved that juveniles could not elude the capture. The frame trawl requires no special handling and is possible to operate in a rough sea.

Journal

• Fisheries science

  Fisheries science 67 (3), 436-443, 2001

  The Japanese Society of Fisheries Science

Keywords

• frame trawl
• juvenile
• sampling gear
• underwater observation

Details

• CRID: 1390282679405789952
• NII Article ID: 130003903559
• NII Article ID: 30014677676
• NII Article ID: 10008269181
• NII Book ID: AA10993718
• DOI: 10.1046/j.1444-2906.2001.00279.x
• COI: 1:CAS:528:DC%2BD3MXltVKjsLo%3D
• ISSN: 14442906
• ISSN: 09199268
• NDL BIB ID: 5813169
• Web Site: https://ndlsearch.ndl.go.jp/books/R000000004-I5813169
• Text Lang: en
• Data Source:
  • JaLC
  • NDL
  • Crossref
  • CiNii Articles
• Abstract License Flag: Disallowed