アサリの産卵期について

• 安田 治三郎

  内海区水研

• 浜井 生三

  名古屋大学教養学部

• 堀田 秀之

  東北海区水研

書誌事項

タイトル別名

• A Not on the Spawning Season in <i>Venerupis philippinarum</i>
• アサリ ノ サンランキ ニ ツイテ

抄録

The spawning in Venerupis phillipinarum occurs twice a year, viz. in spring and autumn though the population maturity rate, defined by R=(n₁A+n₂B+n₃C)/(n₁+n₂+n₂), where n₁ n₂ and n₃ are the numbers of individuals classified by degree of maturity of individual gonad with scores A=1, B=1/2 and C=0 respectively shons local divergence in season and magnitude. Results of culculation are as follows. (showing maximum value of R and its season.<br> However, whether the vernal and autumnal spawnings are due to the same population or two different populations, remains to be solved in future

収録刊行物

• 日本水産学会誌

  日本水産学会誌 20 (4), 277-279, 1954

  公益社団法人 日本水産学会

キーワード

• Aquatic Science

詳細情報

• CRID: 1390282681392612992
• NII論文ID: 10006327145
• NII論文ID: 130000915195
• NII書誌ID: AN00193422
• ISSN: 04975022
• ISSN: 1349998X
• ISSN: 00215392
• DOI: 10.2331/suisan.20.277
• NDL書誌ID: 10054082
• Web Site: https://agriknowledge.affrc.go.jp/RN/2030841443
• Web Site: https://ndlsearch.ndl.go.jp/books/R000000004-I10054082
• 本文言語コード: ja
• データソース種別:
  • JaLC
  • IRDB
  • NDL
  • Crossref
  • CiNii Articles
• 抄録ライセンスフラグ: 使用不可