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水産大学校研究報告 Volume 55 Issue 3
pp. 115 - 122
published_at 2007-03
水産大学校研究報告 Volume 55 Issue 3
pp. 101 - 114
published_at 2007-03
水産大学校研究報告 Volume 55 Issue 3
pp. 91 - 99
published_at 2007-03
水産大学校研究報告 Volume 55 Issue 3
pp. 71 - 89
published_at 2007-03
水産大学校研究報告 Volume 55 Issue 2
pp. 67 - 69
published_at 2007-03
水産大学校研究報告 Volume 55 Issue 2
pp. 59 - 66
published_at 2007-03
水産大学校研究報告 Volume 55 Issue 2
pp. 53 - 58
published_at 2007-03
水産大学校研究報告 Volume 55 Issue 2
pp. 45 - 52
published_at 2007-03
Creators :
Sakai Harumi
Saitoh Takayuki
Takeuchi Motoi
Sugiyama Hideki
Katsura Kazuhiko
Publishers : 水産大学校
水産大学校研究報告 Volume 55 Issue 1
pp. 23 - 33
published_at 2007-03
水産大学校研究報告 Volume 55 Issue 1
pp. 19 - 22
published_at 2006-11
Creators :
Harada Hideaki
Nagae Akira
Tanaka Minoru
Ohta Masataka
Kondo Masakazu
Takahashi Yukinori
Inagawa Hiroyuki
Publishers : 水産大学校
水産大学校研究報告 Volume 55 Issue 1
pp. 13 - 17
published_at 2006-11
Creators :
Harada Hideaki
Nagae Akira
Tanaka Minoru
Ohta Masataka
Kondo Masakazu
Takahashi Yukinori
Inagawa Hiroyuki
Publishers : 水産大学校
水産大学校研究報告 Volume 55 Issue 1
pp. 1 - 11
published_at 2006-11
Creators :
Hamada Moritsugu
Terashima Daisuke
Hirayama Seito
Wada Ritsuko
Ura Hiroyuki
Nakamura Katsuhei
Publishers : 水産大学校
水産大学校研究報告 Volume 58 Issue 2
pp. 113 - 133
published_at 2009-12
Journal of National Fisheries University Volume 71 Issue 1
pp. 1 - 9
published_at 2022-12
We investigated the oxygen and acid–base status of the densely lamellated oyster, Ostrea denselamellosa, during air exposure for 24 h. The hemolymph O_2 partial pressure decreased from 68.0 torr (mean value) to 52.1 torr during air exposure for 18 h, and reached 42.1 torr after 24 h. The hemolymph pH decreased from 7.579 to 6.798 at 18 h and to 6.361 at 24 h. The hemolymph CO_2 partial pressure increased from 1.30 torr to 40.9 torr at 24 h during air exposure. The hemolymph bicarbonate concentration increased from 1.36 mM/L to 2.81 mM/L at 24 h. The hemolymph calcium ion concentration increased from 8.2 mM/L to 10.9 mM/L at 24 h. From these results, it was revealed that the densely lamellated oysters caused a progressive hypoxemia by hypoventilation of the gill during air exposure. The densely lamellated oysters were inhibited from releasing CO_2 from the gill by hypoventilation, and respiratory acidosis was caused due to the accumulated CO_2. The densely lamellated oysters exposed to air for a long time developed metabolic acidosis due to anaerobic metabolism partially compensated with mobilized [HCO_3^–] from the shell valve.
Journal of National Fisheries University Volume 71 Issue 1
pp. 11 - 20
published_at 2022-12
To improve breeding techniques for aquarium freshwater pufferfishes, hormone injection (hCG, 10 IU per g)-induced maturity and insemination of Auriglobus modestus from Thailand were undertaken, and morphological development of eggs and early stage larvae observed. Artificial insemination was performed two to five days after hormone injection. Although no fertilized eggs resulted from artificial insemination utilizing a wet (freshwater) method, an isotonic (sodium lactate ringer solution) method produced 458 fertilized eggs out of 787 eggs (fertilization rate 61.7%) spawned by one female, although only 8 larvae (1.7%) eventually hatched. Eggs were oval [long axis 2.05 ± 0.06 mm, short axis 1.68 ± 0.06 mm (n = 5)], translucent, demersal, and adhesive, and contained a number of small yellow oil globules. Oval eggs are unusual among pufferfishes, although common in the genus Chonerinos, an indication of the genetic closeness of the latter and Auriglobus, but also suggesting ecological similarity. The eggs hatched after 2 days, larvae one day after hatching [4.54 ± 0.34 mm NL (n = 9)] having a large yolk sac. However, the mouth remained unopened, the optic vesicle uncolored, and the pectoral fin membrane undeveloped, except for small knob-like rudiments. Seven days after hatching, larvae [5.22 ± 0.10 mm NL (n = 3)] had lost the yolk sac and acquired rudimentary soft rays in the pectoral, dorsal and anal fins. All larvae died after eight days. DNA barcoding comparisons (COI gene, 652 bp) of several pufferfish genera indicated a close genetic relationship of Auriglobus and Chonerhinos, being nested in the same clade.
Creators :
Momota Kazuyuki
Doi Hiroyuki
Hashiguchi Yasuyuki
Sakai Harumi
Murakami Shoki
Obata Hiroshi
Publishers : National Fisheries University
Journal of National Fisheries University Volume 71 Issue 1
pp. 21 - 25
published_at 2022-12
An unusual instance of biting behavior by the pufferfish Arothron meleagris, possibly related to spawning behavior was observed during low tide of new moon spring tide while scuba-diving off the Maldives Islands. Multiple males were following, biting and clinging persistently to a female. Subsequent internet searches revealed that similar biting behavior was common among several congeners, possibly being a characteristic spawning-related behavior of the genus.
Creators :
Doi Hiroyuki
Maei Kaori
Yoshitake Takafumi
Momota Kazuyuki
Sakai Harumi
Publishers : National Fisheries University
Journal of National Fisheries University Volume 71 Issue 2
pp. 35 - 42
published_at 2023-01
We investigated the hemolymph oxygen and acid–base status of akoya pearl oysters, Pinctada fucata martensii, exposed to air for a short time (4 h) to elucidate the acid–base balance and CO_2 dynamics. The hemolymph O_2 partial pressure (Po_2) in air-exposed akoya pearl oysters decreased from 88.7 torr (mean value) to 29.4 torr at 1 h, and the low Po_2 continued for the next 3 h during air exposure. The hemolymph pH decreased from 7.586 to 7.082 during air exposure for 1 h and reached 6.851 at 4 h. The hemolymph CO_2 partial pressure increased from 0.9 torr to 4.4 torr at 1 h and reached 7.3 torr after 4 h of air exposure. The hemolymph bicarbonate concentration and calcium ion concentration at 0 h (control) were 1.9 mM/L and 9.0 mM/L, respectively, and these properties did not significantly change during air exposure. From these results, it was determined that the akoya pearl oysters had hypoxemia caused by hypoventilation at an early phase of the short-term air exposure. The akoya pearl oysters inhibited the discharge of CO_2 by hypoventilation, and respiratory acidosis was caused due to the excessive accumulation of CO_2. Bicarbonate was not mobilized from the shell valve into the hemolymph during the short-term air exposure.
Journal of National Fisheries University Volume 71 Issue 2
pp. 43 - 55
published_at 2023-01
We aimed to clarify the microhabitat preferences of Atyidae shrimps in the middle to upper reaches of the Hiwasa R. , Kitagawatidani R. , and Mugi R. , Tokushima Prefecture, southern central Japan. Relationships between the shrimp abundance and physical environmental variables were surveyed at six sites in 2011 fall and 2012 spring by setting 5-m line transects delineated with ten consecutive 50-cm quadrats along the riverbank. The dominant shrimp species collected from the riverbanks were Caridina multidentata, Paratya compressa and Neocaridina denticulata. C. multidentata was shown to prefer loose boulder or cobble beds with interstices. When interstices were scarce, the shrimps were found inhabiting among the vegetation. P. compressa was shown to prefer vegetation and boulder or cobble bed in pools. N. denticulata tended to prefer vegetation in darker, gently-flowing areas. Our results insist that the three shrimp species segregate microhabitat under base-flow conditions, but flow reduction may cause microhabitat overlap between C. multidentata and P, compressa.
Creators :
Yonezawa Takayasu
Saito Minoru
Hatama Toshihiro
Araki Akira
Oka Naohiro
Hamano Tatsuo
Publishers : National Fisheries University
Journal of National Fisheries University Volume 71 Issue 2
pp. 57 - 65
published_at 2023-01
In aquaculture and fixed-net fishing, fishing nets need to be fixed in the water for a long period of time. Therefore, attached organisms such as shellfish, algae, and parasite eggs easily stick to the nets, making periodic cleaning indispensable. A common method is for divers to dive into the water and clean the nets directly with their hands. However, this method is dangerous because it can be fatal to divers due to high water pressure and low water temperature. Therefore, this study considered the possibility of using underwater robot to clean fishery nets in place of divers to avoid these dangers. A mobile mechanism that can move freely along the sides of fixed fishery net in the water has already been developed in this laboratory. In this study, we propose the cleaning system using autonomous robots that automatically cleans aquaculture nets underwater and the charging station using coils for wireless power supply. This robot and a charging station will be installed on the aquaculture nets, and the robot will be driven periodically to clean the nets underwater with less labor and in a safe manner.
Journal of National Fisheries University Volume 71 Issue 3
pp. 73 - 80
published_at 2023-03
Viral edema of carp (VEC) caused by the carp edema virus (CEV) causes economic losses for Japanese koi farms. In this study, we investigated the infectivity and pathogenicity of a domestic CEV isolate (genogroup IIa) in koi carp, common carp and goldfish. The challenge test consisted of 9 groups (n = 15):3 groups each of koi carp, common carp, and goldfish, at 15, 20 and 25℃. These groups were challenged with CEV (3.0×10^3 copies/µL) in duplicate. All koi carp died in the 15 and 20℃ groups, but all survived in the 25℃ group. The surviving koi carp in 25℃ groups showed high PCR positive rates of 66.7 and 73.3%, with VEC histopathological changes observed. For the common carp, 1 and 2 fish died in the 20℃ groups, but no deaths or VEC symptoms were observed in the 15 and 25℃ groups. In all common carp groups, PCR-positive fish were observed along with histopathological changes. For all goldfish groups, no deaths or VEC symptoms were observed. As with the common carp, PCR-positive fish were found in all goldfish groups, yet no VEC histopathological changes were detected. These results demonstrate infectivity of this CEV strain in koi carp, common carp, and goldfish, but low pathogenicity in common carp and goldfish.
Creators :
Matsumoto Akane
Honda Kotaro
Takahashi Hiroshi
Kondo Masakazu
Yasumoto Shinya
Publishers : National Fisheries University
Journal of National Fisheries University Volume 71 Issue 3
pp. 81 - 87
published_at 2023-03
Embryonic development in giant cuttlefish Sepia latimanus was studied using eggs laid from broodstocks reared in captive condition. 26 embryonic stages were examined in this study and the detail process of organ development was clarified under microscope observation. Blastdisc was visible at the animal pole on the yolk at 2.5 hours after fertilizaton (HAF). The first cleavage occurred at 8.6 HAF. Then embryo developed to the morula stage at 22 HAF. Almost surface of the egg was covered with blastoderm at 10 days after fertilization (DAF). Primordia of main organs such as arms, mouth, mantle, funnel, optic vesicle, gills, statocyst, lens and optic ganglion were formed till 14 DAF. At 15 DAF calcification began in the first striation on the shell. Primordium of the shell became visible at 18 DAF. The number of striations on the shell reached to 5, 9 and 14 at 26, 32 and 40 DAF, respectively. Embryo needed 45 days for hatching. Newly hatched larva was 14 mm in mantle length and had 18 striations on the shell. The process of embryonic development in S. latimanus was very similar as S. lycidas, S. esucurenta and Sepiella japonia. S. latimanus is characterized with large newly hatched larva in Japanese sepiids. It was revealed that the large yolk of S. latimanus induces the growth of the body over a long period in the embryonic stage.
Creators :
Oka Masakazu
Tezuka Nobuhiro
Publishers : National Fisheries University
Journal of National Fisheries University Volume 71 Issue 4
pp. 89 - 108
published_at 2023-03
Two types of stratified (two-layered) granules (type 1, NG1a; type 2, NG2) in the neutrophils of inshore hagfish Eptatretus burgei showed eosin-positive (positive site: outer layer (L1) of NG1a and inner layer (L0) of NG2). In contrast, both eosin-positive sites have been reported to be basophilic. From present result, it is clarified that both sites exhibit as follows: L1 of NG1a, eosinophilic and mataazurophilic; L0 of NG2, eosinophilic, orthomethylenophilic and mataazurophilic. The inshore hagfish neutrophils phagocytosed zymosan particles, in vitro. All blood cells showing phagocytosis were identified as neutrophil.
Journal of National Fisheries University Volume 71 Issue 4
pp. 109 - 122
published_at 2023-03
Neutrophil granules (NG) of adult (mature) far eastern brook lamprey Lethenteron reissneri [L. sp. S (souther form)] were classified into two types of stratified [two-layer; inner layer (L0) and outer layer (L1)] granules (type 1, NG1a; type 2, NG2), like as larva (ammocoetes) of this species. The L0 of NG1a and L0 of NG2 in adult neutrophils were chromophobic, and L1 of NG1a and L0 of NG2 showed chromatophilic. The stainability of those chromatophilic layers with May-Grünwald (MG), Giemsa, or MG-Giemsa were varied [chromophobic, eosinophilic or basophilic (orthomethylenophilic or metaazurophilic)] with a slight difference to larva. As seen in larval neutrophils, these layers were positive for alkaline phosphatase,α-naphtyl acetate esterase and Sudan black B, and some enzymes (acid phosphatase, ꞵ-glucuronidase, and naphthol AS-D chloroacetate esterase) were detected in the L0 of NG2. Alpha-naphtyl acetate esterase was positive in L0 of NG2 of adult neutrophils. Both larval and adult neutrophils lacked peroxidase.
Journal of National Fisheries University Volume 71 Issue 4
pp. 123 - 134
published_at 2023-03
Based on the findings of past literature, we speculated the existence of two types of stratified [two-layer; inner layer (L0) and outer layer (L1)] granules in the neutrophils (granulocytes; blood cells) of amphioxus (Cephalocordata), especially Branchiostoma japonicum. Type 1 neutrophil granules (NG1a) consist of chromophobic L0 and chromatophilic L1. Other type (type 2; NG2) have chromatophilic L0 and chromophobic L1. The L1 of NG1a and L0 of NG2 show metaazurophilic (purple to blackish purple) in Giemsa staining preparation. Ultrastructurally, these two granule types will not be separately identified. These granules contain intragranular particles (granulons, g) in the L0 of granules. At least, three types of granulons (g-1, g-2, and g-3) are recognized in a granule and localized in L0. Two of them form an agglomerate with short rod shape and two layers (inner layer consisted by g-2, and outer layer by g-3). The agglomerate have been considered as tubular structure or microtubule (misinterpretation). Neutrophils of cyclostome (hagfish and lamprey) also have NG1 [NG1a or NG1b (chromophobic L0 and L1)] and NG2. Further, neutrophil granules of cyclostome also contain granulons (without forming of agglomerate).
Journal of National Fisheries University Volume 71 Issue 4
pp. 135 - 140
published_at 2023-03
In order to research the actual operation status of fishing vessels by AIS, an effective extraction method is needed even when vessel name, MMSI, and type of ship information are insufficient. In this study, we analysis on the illegal use of AIS for fishing pole to indicate the location of operations and proposes a method for estimating fishing grounds using AIS buoys. Extracted by Vendor ID and vessel name notation and visualized using the kernel density estimation to show the major fishing grounds. The use of AIS buoys is illegal, but if the reception rate of satellite AIS improves, it may be easier to determine the location of operations and prevent damage to fishing gear.
Journal of National Fisheries University Volume 71 Issue 4
pp. 141 - 151
published_at 2023-03
Growth of immature Lates japonicus in eelgrass (Zostera japonica) beds of the Tomouchi River located at around 4.3 km upstream from the river mouth of the Gokase River, Kyushu Island, Japan was studied by the mark and recapture method and scale reading from September 1998 to March 2004. Newly occurring 0-year-old L. japonicus specimens of 13.9–78.0 mm SL (standard length) in Z. japonica beds of the Tomouchi River in August or September reached sizes ranging 58.8–125.7 mm SL by April and 203.4–232.8 mm SL between October and November of the following year. Monthly changes in specific growth rates of individuals demonstrated that rapid growth months of immature fish were limited to the period of high water temperature (22–28℃) from June to October. Also, it was supposed that the large-sized fish of the 0-year-old fish migrated away from Z. japonica beds after December, however a few fish remained in Z. japonica beds until the following November.
Creators :
Takeshita Naohiko
Kondou Takuya
Nagata Shingo
Takahashi Hiroshi
Publishers : National Fisheries University
Journal of National Fisheries University Volume 47 Issue 1
pp. 23 - 29
published_at 1998-09
Creators :
Yasutomi Toshio
Journal of National Fisheries University Volume 59 Issue 4
pp. 273 - 279
published_at 2011-03
Journal of National Fisheries University Volume 33 Issue 2.3
pp. 185 - 192
published_at 1984-12
Journal of National Fisheries University Volume 61 Issue 3
pp. 143 - 155
published_at 2013-02
Journal of National Fisheries University Volume 56 Issue 3
pp. 237 - 249
published_at 2008-02
Creators :
Yamamoto Ken-ichi
Handa Takeshi
Kawahara Kuniaki
Publishers : National Fisheries University
Journal of National Fisheries University Volume 56 Issue 4
pp. 371 - 376
published_at 2008-03
Creators :
Maeda Toshimichi
Yamasaki Tsuyoshi
Yamashita Tomonori
Furushita Manabu
Harada Kazuki
Shiba Tsuneo
Publishers : National Fisheries University
Journal of National Fisheries University Volume 56 Issue 4
pp. 365 - 369
published_at 2008-03
Creators :
Tsuda Minoru
Maeda Kazuyuki
Yamanishi Dai
Shimazaki Wataru
Publishers : National Fisheries University
Journal of National Fisheries University Volume 56 Issue 1
pp. 61 - 74
published_at 2007-11
Journal of National Fisheries University Volume 56 Issue 1
pp. 1 - 9
published_at 2007-11
Creators :
Sakaide Masatoshi
Motomura Kojiro
Okuda Kuniharu
Kadobayashi Kosuke
Kitaura Hiroshi
Nakamura Kimihiko
Miyauchi Hideyuki
Yokota Keiji
Publishers : National Fisheries University
Journal of National Fisheries University Volume 56 Issue 1
pp. 11 - 20
published_at 2007-11
Journal of National Fisheries University Volume 56 Issue 1
pp. 21 - 32
published_at 2007-11
Journal of National Fisheries University Volume 56 Issue 1
pp. 33 - 37
published_at 2007-11
Journal of National Fisheries University Volume 56 Issue 1
pp. 39 - 46
published_at 2007-11
Journal of National Fisheries University Volume 56 Issue 1
pp. 47 - 60
published_at 2007-11
Creators :
Kishimoto Atsushi
Yasuda Hideichi
Onitsuka Goh
Takashima Sotarou
Yuasa Toyotoshi
Publishers : National Fisheries University
Journal of National Fisheries University Volume 56 Issue 1
pp. 75 - 81
published_at 2007-11
Journal of National Fisheries University Volume 56 Issue 1
pp. 85 - 89
published_at 2007-11
Journal of National Fisheries University Volume 56 Issue 1
pp. 91 - 98
published_at 2007-11
Journal of National Fisheries University Volume 56 Issue 1
pp. 99 - 105
published_at 2007-11
Creators :
Harada Kazuki
Maeda Toshimichi
Honda Masato
Kawahara Tsuyoshi
Tamaru Miki
Shiba Tsuneo
Publishers : National Fisheries University
Journal of National Fisheries University Volume 56 Issue 1
pp. 107 - 118
published_at 2007-11
Journal of National Fisheries University Volume 56 Issue 1
pp. 121 - 124
published_at 2007-11
Creators :
Yong-Ki Hong
Publishers : National Fisheries University
Journal of National Fisheries University Volume 56 Issue 1
pp. 125 - 134
published_at 2007-11
Creators :
Bong-Gi Lee
Jae-Soo Choi
Hyeung-Rak Kim
Publishers : National Fisheries University
Journal of National Fisheries University Volume 56 Issue 1
pp. 135 - 142
published_at 2007-11
Creators :
Sang-Cheol Oh
Jin-Young Ahn
Yu-Jin Jang
Seon-Bong Kim
Yang-Bong Lee
Publishers : National Fisheries University
Journal of National Fisheries University Volume 56 Issue 1
pp. 143 - 152
published_at 2007-11
Creators :
Joong-Kyun Kim
Jeong-Bo Kim
Soo-Kyoung Jeong
Publishers : National Fisheries University
Journal of National Fisheries University Volume 56 Issue 1
pp. 153 - 160
published_at 2007-11
Creators :
Young-Mog Kim
Publishers : National Fisheries University
Journal of National Fisheries University Volume 56 Issue 1
pp. 161 - 169
published_at 2007-11
Creators :
Jong-Hee Lee
Sun-Hee Ahn
In-Soo Kong
Publishers : National Fisheries University
Journal of National Fisheries University Volume 56 Issue 1
pp. 171 - 177
published_at 2007-11
Creators :
Yun-Im Kim
Sung-Koo Kim
Publishers : National Fisheries University
Journal of National Fisheries University Volume 56 Issue 2
pp. 187 - 199
published_at 2007-12
Creators :
Yamamoto Ken-ichi
Handa Takeshi
Yokota Motohiro
Takahashi Kouji
Publishers : National Fisheries University
Journal of National Fisheries University Volume 56 Issue 2
pp. 201 - 204
published_at 2007-12
Journal of National Fisheries University Volume 56 Issue 2
pp. 205 - 210
published_at 2007-12
Journal of National Fisheries University Volume 56 Issue 2
pp. 211 - 218
published_at 2007-12
Journal of National Fisheries University Volume 56 Issue 3
pp. 219 - 231
published_at 2008-02
Creators :
Yamamoto Ken-ichi
Handa Takeshi
Yokota Motohiro
Yoshida Satoshi
Publishers : National Fisheries University
Journal of National Fisheries University Volume 56 Issue 3
pp. 233 - 235
published_at 2008-02
Journal of National Fisheries University Volume 56 Issue 3
pp. 251 - 259
published_at 2008-02
Journal of National Fisheries University Volume 56 Issue 3
pp. 261 - 265
published_at 2008-02
Creators :
Yokota Motohiro
Yamamoto Ken-ichi
Taira Yuichiro
Handa Takeshi
Publishers : National Fisheries University
Journal of National Fisheries University Volume 56 Issue 4
pp. 267 - 271
published_at 2008-03
Creators :
Yokota Motohiro
Yamamoto Ken-ichi
Taira Yuichiro
Handa Takeshi
Morimoto Eiji
Publishers : National Fisheries University
Journal of National Fisheries University Volume 56 Issue 4
pp. 273 - 285
published_at 2008-03
Creators :
Yamamoto Ken-ichi
Handa Takeshi
Kondo Masakazu
Publishers : National Fisheries University
Journal of National Fisheries University Volume 56 Issue 4
pp. 287 - 298
published_at 2008-03
Creators :
Yamamoto Ken-ichi
Handa Takeshi
Kondo Masakazu
Publishers : National Fisheries University
Journal of National Fisheries University Volume 56 Issue 4
pp. 299 - 310
published_at 2008-03
Creators :
Yamamoto Ken-ichi
Handa Takeshi
Shimada Makoto
Publishers : National Fisheries University
Journal of National Fisheries University Volume 56 Issue 4
pp. 311 - 315
published_at 2008-03
Journal of National Fisheries University Volume 56 Issue 4
pp. 317 - 321
published_at 2008-03
Creators :
Kondo Masakazu
Takahashi Yukinori
Yamamoto Ken-ichi
Publishers : National Fisheries University
Journal of National Fisheries University Volume 56 Issue 4
pp. 323 - 327
published_at 2008-03
Journal of National Fisheries University Volume 56 Issue 4
pp. 329 - 337
published_at 2008-03
Creators :
Hashidate Tomonori
Nakamura Makoto
Harada Kazuki
Maeda Toshimichi
Morimoto Eiji
Taira Yuichiro
Publishers : National Fisheries University
Journal of National Fisheries University Volume 56 Issue 4
pp. 339 - 348
published_at 2008-03
Creators :
Ikeda Ichiro
Nakamura Makoto
Morimoto Eiji
Harada Kazuki
Maeda Toshimichi
Shimauchi Jyun
Publishers : National Fisheries University
Journal of National Fisheries University Volume 56 Issue 4
pp. 349 - 354
published_at 2008-03
Creators :
Kajitori Kazuaki
Urikura Shigeru
Aoki Kunimasa
Publishers : National Fisheries University
Journal of National Fisheries University Volume 56 Issue 4
pp. 355 - 363
published_at 2008-03
Creators :
Hamano Tatsuo
Yanai Yoshimi
Hayasugi Kei
Watanabe Toshiaki
Publishers : National Fisheries University
Journal of National Fisheries University Volume 56 Issue 4
pp. 377 - 388
published_at 2008-03
Journal of National Fisheries University Volume 64 Issue 1
pp. 9 - 27
published_at 2015-12
Creators :
Aketagawa Masako
Nakamura Makoto
Ohta Hiromitsu
Maeda Toshimichi
Publishers : National Fisheries University
Journal of National Fisheries University Volume 64 Issue 1
pp. 29 - 45
published_at 2015-12
Creators :
Kogami Kenichiro
Nakamura Makoto
Ohta Hiromitsu
Tokunaga Kazuhiro
Maeda Toshimichi
Publishers : National Fisheries University
Journal of National Fisheries University Volume 64 Issue 1
pp. 47 - 56
published_at 2015-12
Creators :
Sakai Kenichi
Shimokawa Shinya
Kawasaki Junji
Matsumoto Hirofumi
Niitani Makoto
Publishers : National Fisheries University
Journal of National Fisheries University Volume 64 Issue 1
pp. 65 - 72
published_at 2015-12
Journal of National Fisheries University Volume 64 Issue 2
pp. 104 - 119
published_at 2016-02
Journal of National Fisheries University Volume 64 Issue 2
pp. 120 - 142
published_at 2016-02
Journal of National Fisheries University Volume 64 Issue 2
pp. 144 - 171
published_at 2016-02
Journal of National Fisheries University Volume 64 Issue 2
pp. 172 - 177
published_at 2016-02
Creators :
Kondo Masakazu
Yasumoto Shinya
Takahashi Yukinori
Publishers : National Fisheries University
Journal of National Fisheries University Volume 64 Issue 2
pp. 178 - 181
published_at 2016-02
Creators :
Yoshikawa Hiroyuki
Ino Yasuko
Iwatani Junji
Morishima Kagayaki
Publishers : National Fisheries University
Journal of National Fisheries University Volume 64 Issue 3
pp. 182 - 187
published_at 2016-03
Journal of National Fisheries University Volume 64 Issue 3
pp. 188 - 194
published_at 2016-03
Journal of National Fisheries University Volume 64 Issue 3
pp. 196 - 203
published_at 2016-03
Creators :
Kondo Masakazu
Yasumoto Shinya
Takahashi Yukinori
Publishers : National Fisheries University
Journal of National Fisheries University Volume 64 Issue 3
pp. 204 - 220
published_at 2016-03
Journal of National Fisheries University Volume 64 Issue 4
pp. 219 - 225
published_at 2016-03
Creators :
Noda Mikio
Kawano Masahiro
Okamoto Kuniaki
Murase Noboru
Publishers : National Fisheries University
Journal of National Fisheries University Volume 64 Issue 4
pp. 227 - 239
published_at 2016-03
Journal of National Fisheries University Volume 64 Issue 4
pp. 241 - 247
published_at 2016-03
Creators :
Tanoue Hideaki
Fujiwara Kyoji
Nakahara Takashi
Ogawa Masahiro
Hata Kazuhiro
Enoshima Taketomo
Gotou Hiroshi
Kokatsu Masaki
Ito Takafumi
Takahashi Hiroshi
Komatsu Teruhisa
Mohori Masahiko
Publishers : National Fisheries University
Journal of National Fisheries University Volume 64 Issue 4
pp. 263 - 268
published_at 2016-03
Journal of National Fisheries University Volume 64 Issue 4
pp. 269 - 271
published_at 2016-03
Creators :
Kondo Masakazu
Yasumoto Shinya
Takahashi Yukinori
Publishers : National Fisheries University
Journal of National Fisheries University Volume 64 Issue 4
pp. 273 - 278
published_at 2016-03
Journal of National Fisheries University Volume 64 Issue 4
pp. 279 - 282
published_at 2016-03
Journal of National Fisheries University Volume 64 Issue 4
pp. 283 - 291
published_at 2016-03
Journal of National Fisheries University Volume 64 Issue 4
pp. 293 - 301
published_at 2016-03
Journal of National Fisheries University Volume 57 Issue 1
pp. 1 - 8
published_at 2008-10
Creators :
Kosaka Shogo
Takeshita Naohiko
Yamamoto Ken-ichi
Ikeda Itaru
Publishers : National Fisheries University
Journal of National Fisheries University Volume 57 Issue 1
pp. 9 - 20
published_at 2008-10
Creators :
Yamana Yusuke
Hamano Tatsuo
Niiyama Hiroshi
Goshima Seiji
Publishers : National Fisheries University
Journal of National Fisheries University Volume 57 Issue 1
pp. 21 - 27
published_at 2008-10
Creators :
Yokota Motohiro
Taira Yuichiro
Morimoto Eiji
Ezoe Satoru
Ogawa Kazuo
Publishers : National Fisheries University
Journal of National Fisheries University Volume 57 Issue 1
pp. 29 - 42
published_at 2008-10
Creators :
Takikawa Tetsutaro
Onitsuka Goh
Hata Kazuhiro
Kawasaki Junji
Shimokawa Shinya
Hamaguchi Masato
Morimoto Akihiko
Publishers : National Fisheries University
Journal of National Fisheries University Volume 57 Issue 1
pp. 43 - 56
published_at 2008-10
Journal of National Fisheries University Volume 57 Issue 1
pp. 57 - 63
published_at 2008-10