Vol.4(1989)
A Questionnaire Research of Sea Turtles for Government Fishing Boats in Japan
By Satoru NAKAHIGASHI, Waichiro NISHIMURA
Capture of Leatherback Turtle from Hachijyo Island
By Makoto MIKI
How Many Hatchings of Sea Turtle Should We Sacrifice? The Relationship Between the Observed Number of Samples and the Confidence Range for the Sex Ratio.
By Shoji TOKUNAGA
Results of the Questionnaire Research on a Symposium on Sea Turtle
By Naoki KAMEZAKI, Hiroyuki SUGANUMA
A Questionnaire Research on Sea Turtles by Editorial Committee
By Editorial Committee