NIPPON SUISAN GAKKAISHI


Vol. 73 No. 4, JULY 2007

CONTENTS




2006 Award of Excellence for Scientific Paper Entitled 645
Achievement Award for Young Scientists in Fisheries Science
Studies on life history and migration in fish by otolith analyses
TAKAOMI ARAI 652
Studies on the adaptive management of fisheries resources
TOSHIO KATSUKAWA 656
Biochemical studies on growth characteristics and stress responses of fish culture cells
HIDEHIRO KONDO 660
Studies on conservation and cultivation of freshwater crayfish
KAZUYOSHI NAKATA 664
Originals
Changes in relative growth and probability of terminal molt of male Chionoecetes japonicus
IKUKO YOSHO, SHIGERU SHIRAI AND TARO HIROSE 668
Bathymetrical distribution and migration of Chionoecetes japonicus at the northeastern part of Yamato Bank, the Sea of Japan
IKUKO YOSHO AND SHIGERU SHIRAI 674
Fisheries management of mud dab Pleuronectes yokohamae in Suo-Nada, Seto Inland Sea based on spawning per recruit
YUJI IMOTO, HIROSHI KIMURA, NAOKI YOSHIOKA AND HIROMU ZENITANI 684
Prevalence, intensity and reproduction of copepods parasitic on temperate bass Lateolabrax japonicus collected from Ariake Sea
SUSUMU OHTSUKA, NOBUTO NAKADACHI, MASARU TANAKA AND HIROSHI UEDA 693
Mesh selectivity of net pot for white-spotted conger-eel Conger myriaster in Ise Bay
DAIJU OKI, MAMI HARADA AND TADASHI TOKAI 703
Effects of nitrogen and phosphorus sources on the utilization and growth kinetics of the harmful dinoflagellate Cochlodinium polykrikoides isolated from Yatsushiro Sea, Japan
DAE-IL KIM, TADASHI MATSUBARA, SEOK JIN OH, YOHEI SHIMASAKI, YUJI OSHIMA AND TSUNEO HONJO 711
Indicators for identification of egg quality and characteristics of abnormal oocytes collected from cultured broodstocks of fourspine sculpin Cottus kazika
DAISUKE TAHARA AND HOZI IWATANI 718
Evaluation of the estrogenic activity in sewage treatment works using a medaka vitellogenin assay
SAYAKA EGUCHI, SHIHOMI SUGAWARA, KANAKO NAKAGAWA, NAOKO MITANI, RYOKO ONUMA, SUMIKO MATSUOKA, NARISATO HIRAI AND YOSHIKAZU YAMAMOTO 726
Autolysis of unsalted guts of sea cucumber under hydrostatic pressure
TAKASHI OKAZAKI, YUJIN SHIGETA AND YASUSHI AOYAMA 734
The seasonal variation in polysaccharide content of brown alga Akamoku Sargassum horneri collected off Oshima Island (Fukuoka Prefecture)
TARO KIMURA, KYOKO UEDA, RIEKO KURODA, TETSUYUKI AKAO, NAOYA SHINOHARA, TATSUO USHIROKAWA, ATSUTOSHI FUKAGAWA AND TSUNEKI AKIMOTO 739
Sexual dimorphism in vertebral number in halfbeak Hyporhampus sajori (Short Paper)
TOSHIHIRO TSUJI 745
Featured Articles
Stock fluctuation and utilization of Japanese sardine Sardinops melanostictus
Foreword
TOSHIO KATSUKAWA AND TAKASHI YAMAKAWA 748
I- 1.  Population increasing processes of Japanese sardine
KAZUNORI KURODA 750
    2.  Two aspects of the sardine population decline
YOSHIRO WATANABE 754
    3.  Biological processes linking climate changes and sardine population dynamics
AKINORI TAKASUKA 758
    4.  Fisheries impact on Japanese sardine
TOSHIO KATSUKAWA 763
II- 1.  Common understanding on uncertainty is required
YASUO AOKI 767
    2.  Clarify where the responsibility lies for managing and conserving the fisheries resources
HARUKO YAMASHITA 768
    3.  Fisheries management measures for sardine stock viewed from the aspect of consensus building
TAKASHI NAKANISHI 768
    4.  What is the next tool to replace the cost-benefit analysis?
TAKUMI MITANI 769
    5.  Questionable effect of the sardine stock management on the decline
HISAO IWASAKI 769
    6.  Historical merits and demerits of the Japanese sardine fishery in a local industry
KENJI YONEMURA 771
    7.  The necessity of PDCA cycle for fisheries management
SHIN-ICHI SHIDA 772
    8.  Management of the Pacific stock of Japanese sardine based on the “Mottainai” mind
NAOMICHI YASUMI 772
    9.  The necessity of deliberate use of the stock aimed at restoration
TATSUYA SUZUKI 773
    10.  Take drastic measures such as preservation of spawning adults and young fishes, and fishing only for food supply in the poor catch age
SHIGEO FUNAKOSHI 774
    11.  Sow the seeds and catch the wave
HIROSHI NISHIDA 774
    12.  If you persist, you'll be paid off
SEIJI OHSHIMO 775
    13.  Problems and improvements in a TAC management system
KAZUMI SAKURAMOTO 775
    14.  Importance of risk hedge
HIROYUKI MATSUDA 776
Regional News 779
Highlights in Fisheries Science Research 782
New Books 790
Topics 792
Abstracts of Original Papers
    Nippon Suisan Gakkaishi Vol. 73, No. 4 804
    Fisheries Science Vol. 73 No. 3 806
Letter from Board of Directors 811
Announcements 813


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