Vol. 78 No. 6, NOVEMBER 2012 CONTENTS |
| The first 80 years of JSFS | |
| SHUGO WATABE | 1101 |
| Originals | |
| Performance evaluation of fishing lamp using oval-shaped blue LEDs for squid jigging fishery in offshore fishing grounds in the Sea of Japan | |
| TAKAFUMI SHIKATA, KUNIHARU YAMASHITA, MITSUSHI SHIRATA AND YOUICHI MACHIDA |
1104 |
| Catching efficiency of toothed dredges for ark shell Scapharca broughtonii in Sendai Bay, Northeastern Japan | |
| TORU TANABE, KAZUHITO WATANABE, NORIAKI SUZUKI AND TOSHINORI ONO | 1112 |
| Growth pattern and age composition of roughscale sole Clidoderma asperrimum off the Pacific coast of northern Honshu, Japan | |
| RYO INAGAWA, TSUTOMU HATTORI, KAZUHITO WATANABE, YOJI NARIMATSU AND MASAKI ITO |
1118 |
| Ruggedness of the seafloor and distribution of demersal fishes in the fishing grounds on the continental slope off the Pacific coast of Hokkaido, Japan | |
| TOMONORI HAMATSU | 1127 |
| Vertical distribution of Manila clam Ruditapes philippinarum larvae characterized through year-round observations in Tokyo Bay, Japan | |
| MITSUHARU TOBA, HIROSHI YAMAKAWA, NORIHIKO SHOJI AND YUTAKA KOBAYASHI | 1135 |
| Assessment of the characteristic traits of hatchery-reared ayu as a recreational fishing target: comparison of two breeds subcultured under identical conditions | |
| MASAYUKI MIURA, JUN-ICHI TSUBOI, TAKUMI OKAZAKI, HIDEKI OOHAMA AND AKIHIKO ASHIZAWA |
1149 |
| Delay of budding and growth inhibition of the reed Phragmites australis caused by reaping of withered stems and submergence of the cut ends | |
| THE LATE KOH-ICHI FUJIWARA | 1159 |
| Age and growth of barfin flounder Verasper moseri in the eastern coastal waters of Cape Erimo, Hokkaido, Japan | |
| YOSHIYA SHIKISHIMA, TETSUYA TAKATSU, TOYOMI TAKAHASHI, MASAMITSU NINOMIYA, SHINJI SAKAI, HIROYUKI ICHINOSE, TAIZO MORIOKA AND MASAYOSHI SASAKI |
1170 |
| Nutrient elimination in an artificial dam reservoir, Lake Okutsu | |
| SHUZO TAKAGI, MASAYOSHI KONDO, SEIJI TSUCHIE AND TATEKI FUJIWARA | 1176 |
| Assessment of gear condition and ghost-fishing ability in bottom gillnets left in the coastal waters off Iwate, Pacific coast of northern Japan, by the Tohoku earthquake and tsunami disaster in March 2011 (Short Paper) | |
| TOMOAKI GOTO | 1187 |
| Bycatch of cormorants in set net fishery (Short Paper) | |
| SEIJI AKIYAMA AND YUKIKO SHIMOMURA | 1190 |
| Anisakis larvae in the fillet of the Pacific saury Cololabis saira (Short Paper) | |
| KAZUO OGAWA, TAKASHI IWAKI, JUN ARAKI AND NAOKI ITOH | 1193 |
| Featured Articles | |
| New directions for research on abalone stock management and enhancement | |
| Foreword | |
| HIDEKI TAKAMI | 1196 |
| 1. Influences of water temperature and food conditions on growth and maturation of reared warm water abalones | |
| SETSUO KIYOMOTO, KEISUKE MURAKAMI, RYO KIMURA, KENTARO NIWA AND HIRONORI USUKI |
1198 |
| 2. Decrease factors of abalone resources in Ojika-chou, Nagasaki Prefecture | |
| TAKASHI TOZAWA AND SHOICHI WATANABE | 1202 |
| 3. Effects of food quality and quantity on maturation and spawning of ezo abalone Haliotis discus hannai | |
| HIDEKI TAKAMI, HIROTATSU FUKAZAWA, TOMOHIKO KAWAMURA AND DAISUKE MURAOKA | 1205 |
| 4. Characteristics of the benthic community in the isoyake area and the effect of isoyake on the reproduction of ezo abalone Haliotis discus hannai in Hokkaido | |
| HIROSHI HOSHIKAWA | 1208 |
| 5. Ontogenetic habitat shift in ezo abalone Haliotis discus hannai | |
| HIDEKI TAKAMI, NAM-IL WON AND TOMOHIKO KAWAMURA | 1213 |
| 6. Comparison of recruitment processes of ezo abalone Haliotis discus hannai in different reproductive strategies | |
| HIROSHI NAKAIE AND HIDEKI TAKAMI | 1217 |
| 7. Fisheries management of ezo abalone in Iwaki City, Fukushima Prefecture | |
| NAOTO HIRAKAWA AND MITSURU HIROSE | 1221 |
| 8. Management of abalone fisheries based on reproductive relationships | |
| TOYOMITSU HORII AND SETSUO KIYOMOTO | 1224 |
| 9. Estimation of abalone population dynamics with spatially realistic structure | |
| MASAKAZU HORI, MASAMI HAMAGUCHI, HIROMORI SHIMABUKURO, SETSUO KIYOMOTO, HIDEKI TAKAMI AND TOYOMITSU HORII |
1227 |
| 10. Effect of the reinforcement of adult density with reseedings of ezo abalone Haliotis discus hannai for the recruitment level in Hokkaido | |
| HIROSHI HOSHIKAWA AND MOTOYUKI HARA | 1231 |
| 11. Recapture rate and reproduction of southern abalone species on the coast of Miura Peninsula | |
| TAKASHI ASAHI | 1235 |
| 12. Genetic impact of experimental releasing stocks of ezo abalone in Oshoro Bay of Hokkaido | |
| MOTOYUKI HARA AND HIROSHI HOSHIKAWA | 1238 |
| Regional News | |
| 1245 | |
| Highlights in Fisheries Science Research | |
| 1247 | |
| New Books | 1251 |
| Topics | 1253 |
| Abstracts of Original Papers | |
| Nippon Suisan Gakkaishi Vol. 78, No. 6 | 1260 |
| Fisheries Science Vol. 78, No. 5 | 1262 |
| Letter from Board of Directors | 1266 |
| Announcements | 1267 |
| Errata | 1282 |