論文・著作・講演など

論文 研究報告 著書・新聞等連載 講演 シンポジウム企画・運営

学会誌等の論文

  1. 高橋勇夫・木下泉・東健作・藤田真二・田中克. 1990. 四万十川河口内に出現するアユ仔魚. 日本水産学会誌, 56(6): 871-878.
  2. Takahashi, I., K. Azuma, S. Fujita and I. Kinoshita. 1998. Spatial distribution of larval ayu Plecoglossus altivelis in the Shimanto Estuary, Japan. Fisheries Sci., 64(4): 522-525.
  3. Takahashi, I., K. Azuma, H. Hiraga and S. Fujita. 1999. Different mortality in larval stage of ayu Plecoglossus altivelis by birth dates in the Shimanto Estuary and adjacent coastal waters. Fisheries Sci., 65(2): 206-210.
  4. Takahashi, I., K. Azuma, S. Fujita and H. Hiraga. 2000. Differences in larval and juvenile development among monthly cohorts of ayu, Plecoglossus altivelis, in the Shimanto River. Ichthyol. Res., 47(4): 385-391.
  5. Takahashi I., K. Azuma, S. Fujita and I. Kinoshita. 2002. Habitat shift of ayu Plecoglossus altivelis altivelis in early stages from waters adjacent to the bank to the center flow in the Shimanto Estuary. Fisheries Sci., 68(3): 554-559.
  6. Takahashi I., K. Azuma, S. Fujita, I. Kinoshita and H. Hiraga. 2003. Annual changes in the hatching period of the dominant cohort of larval and juvenile ayu Plecoglossus altivelis altivelis in the Shimanto Estuary and adjacent coastal waters during 1986-2001. Fisheries Sci., 69(3): 348-444.
  7. 高橋勇夫・東健作・平賀洋之. 2003. 四万十川におけるアユの産卵場と産卵期. 四万十・流域圏学会誌, 2(1): 17-20.
  8. 高橋勇夫・谷口順彦. 2012. 流量変化に伴う河床型構成およびアユの生息密度の変化とそれらの河川維持流量評価への活用. 応用生態工学. 15(2): 197-206.
  9. Azuma, K., I. Kinoshita, S. Fujita and I. Takahashi. 1989. GPI isozymes and birth dates of larval ayu, Plecoglossus altivelis in the surf zone. Japan. J. Ichthyol.,35(4):493-496.
  10. Azuma, K., I. Takahashi, S. Fujita and I. K inoshita. 2003. Recruitment and movement of larval ayu occurring in the surf zone of a sandy beach facing the Tosa Bay. Fisheries Sci., 69(2): 355-360..  
  11. Fujita, S., I. Kinoshita, I. Takahashi and K. Azuma. 1988. Seasonal occurrence and food habits of larvae and juveniles of two temperate basses in the Shimanto estuary, Japan. Japan. J. Ichthyol., 35(3): 365-370.
  12. Fujita, S., I. Takahashi and N. Niimi. 2000. Use of iridophore pigmentation patterns to separate juveniles of two Girella species (Girellidae). Ichthyol. Res., 47(4): 397-400.
  13. Fujita, S., I. Kinoshita, I. Takahashi and K. Azuma. 2002. Species composition and seasonal occurrence of fish larvae and juveniles in the Shimanto estuary, Japan. Fisheries Sci. 68(2 ): 364-370.
  14. Kinoshita, I., S. Fujita, I. Takahashi and K. Azuma. 1988. Occurrence of larval and juvenile Japanese snook, Lates japonicus, in the Shimanto estuary, Japan. Japan. J. Ichthyol., 34(4): 462-467.
  15. Kinoshita, I., S. Fujita, I. Takahashi, K. Azuma, T. Noichi and M. Tanaka. 1999. A morphological and meristic comparison of larval and juvenile temperate bass, Lateolabrax japonicus, from various sites in western and central Japan. Japan. J. Ichthyol., 42(2): 165-171.
  16. Kinoshita, I., K. Azuma, S. Fujita, I. Takahashi, K. Niimi and S. Harada. 1999. Early life history of a catadromous sculpin in western Japan. Env. Biol. Fishes. 54: 135-149.
  17. Seki, S., N. Taniguchi, N. Murakami, A. Takamichi and I. Takahashi. 1994. Seasonal changes in the mixing rate of restocked ayu-juveniles and assessment of native stock using an allozyme maker. Fisheries Sci., 60(1): 31-35.
  18. 八木祐太・美藤千穂・舟越徹・木下泉・高橋勇夫, 2006. 土佐湾沿岸域におけるアユ仔魚の分布および食性. 日水誌, 72(6): 1057-1067.

学位論文

  1. 高橋勇夫. 2003. 四万十川河口域におけるアユの初期生活史に関する研究. 東京大学審査学位論文, 113pp.
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