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Supplementary Material Table S1 Summary of Radioactive Cs

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Supplementary material Table S1 Summary of radioactive Cs concentrations (134Cs + 137Cs) in 169 marine species caught off Fukushima Prefecture in 2011 (April–December) and 2012 (January–October). 2011 2012 Radioacrive Cs Radioacrive Cs (Bq/kg-wet) ND% n (Bq/kg-wet) ND% n Depth (m) Class Scientific name a Max. Min. Max. Min. Body parts b Shipment c Habitat Fishing d Max. Min. Average Osteichthyes Sebastes cheni 3200 36 0 32 3100 ND 1.2 81 MWS Banned Demersal G, BF, T 60 3 25 Pleuronectes yokohamae 1380 ND 2 98 2600 ND 4 176 MWS Banned Demersal G, B, BF, T 139 3 47 Lateolabrax japonicus 670 46 0 32 2110 20 0 65 M Banned Demersal G, B, BF, T 195 3 46 Hexagrammos otakii 3000 ND 2.6 114 1740 ND 6.8 222 M Banned Demersal C, G, B, BF, T 195 3 52 Sebastes thompsoni 1630 70 0 15 1500 ND 15.4 26 MWS Banned Demersal G, BF, T 150 23 51 Microstomus achne 1140 ND 12.5 80 1460 ND 32.1 218 MWS Banned Demersal C, G, BF, T 330 6 91 Occella iburia 54 54 0 1 1440 ND 13.3 15 M Banned Demersal B, T 226 7 81 Sebastes schlegelii 2190 134 0 6 1340 ND 15.4 26 MWS Banned Demersal C, G, B, BF, T 160 7 38 Sebastes vulpes 910 ND 25 4 1310 ND 37.1 35 MWS Banned Demersal G, BF, T 200 10 54 Platichthys bicoloratus 1220 25 0 61 1200 ND 2.2 89 MWS Banned Demersal G, B, BF, T 105 9 42 Physiculus maximowiczi 1770 ND 13.7 51 1150 ND 22.3 121 MWS Banned Demersal C, G, B, BF, T 510 3 145 Paralichthys olivaceus 4500 ND 0.6 176 1000 ND 5.4 280 M Banned Demersal C, G, B, BF, T 228 5 51 Hemitripterus villosus 260 ND 7.7 13 710 ND 7.6 92 MWS Banned Demersal G, T 220 7.5 97 Platycephalus indicus 290 51 0 15 650 11 0 25 M Banned Demersal G, T 59 6 18 Eopsetta grigorjewi 183 30 0 19 580 ND 35.5 76 MWS Banned Demersal G, T 210 11 76 Verasper variegatus 340 43 0 4 570 10 0 9 M Banned Demersal G, T 152 17 60 Sebastes pachycephalus 870 142 0 4 560 79 0 21 MWS Banned Demersal C, G, BF 23 3 11 Platichthys stellatus 148 27 0 2 550 123 0 3 MWS Banned Demersal G, B 26 7 18 Paraplagusia japonica 330 26 0 9 390 20 0 13 MWS Banned Demersal G, T 33 10 19 Conger myriaster 176 ND 16.3 43 360 ND 27.8 90 MWS Banned Demersal C, G, B, BF, T 480 3 86 Stichaeus grigorjewi ND ND 100 1 320 320 0 1 M Banned Demersal T 330 138 234 Gadus macrocephalus 300 11 0 23 260 ND 18.3 180 M Banned Demersal G, B, BF, T 510 16 163 Nibea mitsukurii 390 68 0 23 217 15 0 52 MWS Banned Demersal C, G, B, T 83 6 21 Acanthopagrus schlegelii 240 13 0 7 210 ND 12.5 16 MWS Banned Demersal G, BF 27 3 13 Pleuronichtys cornutus 470 8.2 0 18 190 10 0 23 MWS Banned Demersal G, T 81 11 47 Cynoglossus joyneri 250 18 0 11 185 ND 7.7 13 MWS Banned Demersal G, T 59 10 23 Takifugu snyderi 230 25 0 14 180 ND 28.6 14 M Banned Demersal G, T 105 10 47 Pseudopleuronectes herzensteini 420 ND 1.6 64 150 ND 14.3 147 MWS Banned Demersal G, BF, T 210 11 71 Verasper moseri 0 140 ND 58.3 12 M Banned Demersal G, T 420 6 92 Takifugu pardalis 370 112 0 3 137 ND 9.1 11 M Banned Demersal G, T 68 10 29 Oncorhynchus masou 0 130 ND 75 4 MWS Banned Pelagic G, T 105 6 34 Ditrema temmincki 224 224 0 1 124 15 0 10 MWS Banned Demersal C, G, BF 23 3 12 Ammodytes personatus 14400 82 0 23 122 ND 67.9 56 WB Banned Pelagic B, T 72 3 22 Hippoglossoides dubius 79 ND 42.9 7 121 ND 65.9 82 MWS Banned Demersal G, T 510 23 183 Chelidonichthys spinosus 440 28 0 42 120 ND 39.5 43 MWS Banned Demersal G, BF, T 125 10 51 Theragra chalcogramma 97 ND 50 6 110 ND 57.4 54 MWS Banned Demersal G, BF, T 420 18 186 Conger japonicus 0 100 90 0 2 MWS Demersal C, G 8 6 7 Tanakius kitaharai 88 ND 26.5 34 96 ND 38 92 MWS Demersal T 230 50 119 Pennahia argentata 79 12 0 12 93 ND 15.6 45 MWS Demersal G, B, T 124 7 54 Sebastiscus marmoratus 0 92 92 0 1 MWS Demersal G 12 12 12 Lepidotrigla microptera 360 24 0 38 86 ND 15.6 90 MWS Demersal G, T 200 11 73 Lophius litulon 400 ND 7.1 28 81 ND 62.8 78 M Demersal G, T 228 17 93 Sebastes matsubarae 0 72 14 0 4 MWS Demersal BF 216 180 191 Trichiurus lepturus 0 71 44 0 2 MWS Pelagic T 124 65 95 Clidoderma asperrimum 152 ND 57.1 7 64 ND 80.6 62 M Demersal G, T 510 25 189 Pagrus major 83 12 0 7 62 ND 34.6 26 MWS Demersal G, BF, T 90 3 35 Trachurus japonicus 270 ND 17.1 41 59 ND 56.8 44 MWS Pelagic G, B, BF, T 215 4 74 Salangichthys ishikawae 94 58 0 3 58 ND 16.2 37 WB Demersal G, B 21 3 9 Takifugu poecilonotus 186 55 0 5 53 7 0 4 M Demersal T 95 10 53 Zeus faber 380 ND 11.8 51 46 ND 32.6 43 M Demersal G, BF, T 125 6 58 Helicolenus hilgendorfi 72 8.8 0 5 46 ND 76.4 72 MWS Demersal BF, T 260 95 180 Evynnis tumifrons 91 ND 19.2 26 44 ND 42.3 26 MWS Demersal G, BF, T 105 24 59 Stereolepis doederleini 55 13 0 3 39 ND 40 5 MWS Demersal T 124 53 80 Hyporhamphus sajori 0 34 ND 37.5 8 MWS Pelagic B 39 10 28 Hippoglossoides pinetorum 28 28 0 1 33 ND 47.8 23 MWS Demersal T 226 50 147 Pterothrissus gissu 53 ND 20 5 29 ND 80 15 MWS Demersal BF, T 330 122 190 Pleuronichthys japonicus 80 ND 8.3 12 28 ND 43.8 16 MWS Demersal G, T 105 37 74 Dexistes rikuzenius 31 ND 46.2 26 28 ND 79.8 124 MWS Demersal T 260 63 156 Sillago japonica 400 400 0 1 26 26 0 1 WB Demersal T 90 10 50 Oplegnathus fasciatus 0 22 12 0 2 M Demersal G 13 8 11 Table S1. Continued 1 2011 2012 Radioacrive Cs Radioacrive Cs (Bq/kg-wet) ND% n (Bq/kg-wet) ND% n Depth (m) Class Scientific name a Max. Min. Max. Min. Body parts b Shipment c Habitat Fishing d Max. Min. Average Alcichthys elongatus 0 20.4 20.4 0 1 MWS Demersal T 50 50 50 Glyptocephalus stelleri 29 ND 66.7 3 18 ND 91.7 36 MWS Demersal T 420 90 185 Takifugu porphyreus 128 54 0 7 13 ND 66.7 9 M Demersal T 115 50 79 Salangichthys microdon 0 12 ND 50 2 WB Demersal B 8 7 8 Thamnaconus modestus 12 12 0 1 11 ND 50 2 MWS Demersal G, BF, T 68 10 36 Liparis tanakai 39 ND 25 4 11 ND 60 5 M Demersal G, T 105 20 60 Engraulis japonica 850 ND 21.7 69 11 ND 98 101 WB Pelagic B, BF, T 50 3 15 Sardinella zunasi 0 11 11 0 1 MWS Pelagic B 10 10 10 Chlorophthalmus albatrossis 184 ND 28.6 7 9 ND 92 50 WB Demersal T 230 120 175 Scombrops gilberti 0 9 ND 50 2 MWS Demersal BF, T 216 180 198 Sebastes owstoni 0 9 9 0 1 MWS Demersal T 260 260 260 Atheresthes evermanni 7.2 7.2 0 1 8.7 ND 85.7 7 MWS Demersal T 500 218 342 Seriola quinqueradiata 270 ND 10 20 8 ND 95 20 MWS Pelagic G, TO, BF, T 128 8 32 Repomucenus ornatipinnis 0 8 ND 50 2 MWS Demersal T 50 40 45 Doederleinia berycoides 30 ND 25 4 ND ND 100 9 MWS Demersal T 226 116 149 Oplegnathus punctatus 0 ND ND 100 4 MWS Demersal G 21 7.5 14 Scorpaena neglecta 0 ND ND 100 1 MWS Demersal T 105 105 105 Cociella crocodila 0 ND ND 100 1 M Demersal T 41 41 41 Synaphobranchus kaupii ND ND 100 1 ND ND 100 1 MWS Demersal T 470 420 445 Zenopsis nebulosa 127 ND 5.6 18 ND ND 100 11 MWS Demersal T 195 47 101 Sebastolobus macrochir ND ND 100 2 ND ND 100 12 MWS Target Demersal T 510 420 480 Glossanodon semifasciatus ND ND 100 1 ND ND 100 3 WB Demersal T 165 124 145 Pleurogrammus azonus ND ND 100 1 ND ND 100 1 MWS Demersal T 220 150 188 Aptocyclus ventricosus 0 ND ND 100 1 MWS Demersal G 9 9 9 Hyperoglyphe japonica 21.9 ND 33.3 6 ND ND 100 8 MWS Demersal BF, T 230 57 170 Scomber japonicus 186 ND 10 10 ND ND 100 10 MWS Pelagic G, BF, T 200 12 73 Etrumeus teres 22.8 22.8 0 1 ND ND 100 2 B Pelagic G, T 85 6 37 Seriola dumerili 73 ND 20 5 ND ND 100 1 MWS Pelagic G, BF 38 14 27 Thunnus orientalis 41 24 0 5 ND ND 100 1 M Pelagic TO 128 80 117 Konosirus punctatus 0 ND ND 100 2 MWS Pelagic G, B 10 6 8 Scomber australasicus 68 ND 12.5 8 ND ND 100 17 MWS Pelagic G, TO, BF, T 215 10 102 Coryphaena hippurus ND ND 100 1 ND ND 100 1 MWS Pelagic TO 125 120 123 Oncorhynchus keta ND ND 100 24 ND ND 100 10 MWS Pelagic G 34 5 12 Clupea pallasii 0 ND ND 100 1 MWS Pelagic T 205 205 205 Cypselurus pinnatibarbatus japonicus 0 ND ND 100 1 MWS Pelagic B 10 10 10 Sebastes ventricosus 280 280 0 1 0 MWS Pelagic BF 35 35 35 Sebastes nivosus 149 149 0 1 0 MWS Demersal G 6 6 6 Gnathophis nystromi nystromi 132 27 0 3 0 MWS Pelagic T 60 50 55 Oncorhynchus kisutch 73 73 0 1 0 MWS Demersal G 20 20 20 Sphyraena pinguis 50 50 0 1 0 MWS Demersal T 98 98 98 Cookeolus japonicus 32 32 0 1 0 MWS Demersal T 50 50 50 Pseudorhombus cinnamoneus 27 27 0 1 0 MWS Demersal T 44 44 44 Abyssicola macrochir 21.7 21.7 0 1 0 MWS Pelagic T 330 330 330 Stephanolepis cirrhifer 7 ND 66.7 3 0 M Demersal G, T 53 33 41 Aluterus monoceros ND ND 100 1 0 M Demersal G 26 26 26 Katsuwonus pelamis ND ND 100 1 0 M Demersal P 500 500 500 Bothrocara tanakae ND ND 100 1 0 MWS Pelagic T 330 330 330 Malacocottus zonurus ND ND 100 1 0 MWS Demersal T 330 330 330 Cololabis saira ND ND 100 1 0 MWS Demersal SH 500 500 500 Takifugu rubripes ND ND 100 1 0 M Demersal T 60 60 60 Sarda orientalis ND ND 100 1 0 M Pelagic TO 125 125 125 Sardinops melanostictus 30 ND 33.3 3 0 B Pelagic B, BF, T 11 5 8 Chondrichthyes Okamejei kenojei 1560 51 0 103 1050 29 0 137 MWS Banned Demersal G, B, BF, T 85.5 6 33 Mustelus manazo 107 9.7 0 17 180 36 0 6 M Banned Demersal G, T 100 10 42 Dasyatis matsubarai 103 103 0 1 99 99 0 1 MWS Demersal G, T 75 23 49 Squalus acanthias 62 12 0 3 45 ND 42.9 7 M Demersal T 180 11 79 Dasyatis akajei 250 37 0 5 0 MWS Demersal G, T 55 14 31 Cephalopoda Octopus conispadiceus 40 ND 85 20 6.6 ND 99.1 112 MWS Target Demersal T 510 48 166 Octopus vulgaris 26.6 ND 82.4 17 ND ND 100 14 MWS Demersal C, G, T 100 3 34 Enteroctopus dofleini 360 ND 69.2 26 ND ND 100 95 MWS Target Demersal C, G, T 510 6 130 Loligo japonica 82 ND 66.7 9 ND ND 100 31 WB Pelagic T 160 10 76 Todarodes pacificus 49 ND 88.9 18 ND ND 100 49 WB Target Pelagic T 240 62 156 Photololigo edulis 22.7 ND 77.8 9 ND ND 100 7 WB Pelagic T 210 44 104 Octopus ocellatus ND ND 100 1 ND ND 100 3 MWS Demersal T 72 42 59 Sepia andreana ND ND 100 6 ND ND 100 8 WB Pelagic T 105 30 66 Loligo bleekeri ND ND 100 6 ND ND 100 20 WB Target Pelagic T 202 42 106 Berryteuthis magister 0 ND ND 100 1 WB Pelagic T 480 480 480 Table S1.
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    Rep. Mar. Ecol. Res. Inst., No.22 (Supplement), 37-45, 2017 Special Report: “Radioactivity in the Marine Environment and in Fisheries Products during the Five Years after the Fukushima Dai-ichi Nuclear Power Plant Accident” Current Fishery Activities and Levels of Radioactivity in Fisheries Products from Fukushima Prefecture Yoshiharu Nemoto*1§, Tsuneo Fujita*2, Masato Watanabe*1 and Kaoru Narita*2 Abstract: We surveyed the levels of radioactivity in marine organisms from Fukushima Prefecture, where the Fukushima Daiichi Nuclear Power Plant accident occurred in March of 2011. In June of 2012, fi shing trials were initiated for safe species to evaluate the commercial distribution of harvested fi sh. Over time, the number of targeted species, fi shing methods, and fi shing areas have increased, and in June of 2016 fi shing trials were being conducted for 73 species along the shores of Fukushima Prefecture beyond a distance of 20 km from the Fukushima Daiichi Nuclear Power Plant. Immediately after the Fukushima accident, radioactive cesium (134Cs and 137Cs) activities of at least 100 Bq/kg-wet were detected in many species. However, those activities declined signifi cantly during the fi ve years following the accident. Since April of 2015, radioactive cesium activity has not exceeded the national standard limit (100 Bq/kg), and since July of 2015, the radioactive cesium activities of over 90% of the samples have been below the detection limit. Continuation of the fi shing trials, collection and analysis of the scientifi c data, and sharing of information will all be necessary to reassure distributors and consumers of the safety of commercial fi sh.
  • Report on the Monitoring of Radionuclides in Fishery Products (March 2011 – March 2016)

    Report on the Monitoring of Radionuclides in Fishery Products (March 2011 – March 2016)

    Report on the Monitoring of Radionuclides in Fishery Products (March 2011 – March 2016) October 2017 Fisheries Agency of Japan Table of Contents Overview ...................................................................................................................................... 8 The Purpose of this Report ............................................................................................................9 Part One. Efforts to Guarantee the Safety of Fishery Products ....................................................... 11 Chapter 1. Monitoring of Radioactive Materials in Food; Restrictions on Distribution and Other Countermeasures ..................................................................................................... 11 1-1-1 Standard Limits for Radioactive Materials in Food ............................................................... 11 1-1-2 Methods of Testing for Radioactive Materials ...................................................................... 12 1-1-3 Inspections of Fishery Products for Radioactive Materials ..................................................... 14 1-1-4 Restrictions and Suspensions on Distribution and Shipping ................................................... 17 1-1-5 Cancellation of Restrictions on Shipping and Distribution ..................................................... 19 Box 1 Calculation of the Limits for Human Consumption .............................................................. 22 Box 2 Survey of Radiation Dose from Radionuclides in Foods Calculation
  • SWFSC Archive

    SWFSC Archive

    Environmental Biology of Fishes 30: S13, 1991. 0 1991 KIuwer Academic Publishers. Printed in the Netherlands. 9 Introduction to the symposium on rockfishes George W. Boehlert’ & Juro Yamada2 Southwest Fisheries Center Honolulu Laboratory, National Marine Fisheries Service, NOAA, 2570 Dole St., Honolulu, HI 96822-2396, U.S.A. and Joint Institute for Marine and Atmospheric Research, University of Hawaii, 1000 Pope Road, Honolulu, HI 96822, U.S.A.; Laboratory of Physiology and Ecology, Faculty of Fisheries, Hokkaido University, Hakodate, Hokkaido 041, Japan The genus Sebastes is derived from a predomin- emphaeus (Moulton 1975), to large, long-lived, antly tropical family, yet represents an important very abundant, shoaling fishes such as S. marinus, component of shelf and slope fish faunas of temper- S. alutus and S. entomelas. These latter species are ate and subarctic regions. Although ecologically commercially exploited, but fisheries for Sebastes important in many habitats, most Sebastes spp. have not typically been success stories: worldwide have reproductive and early life history features catch declined from 768,481 metric tons (t) in 1976 that are rather poorly understood. Understanding to 483,733 t in 1986 (FA0 1977,1988). During this the dynamics of the reproductive process and the time interval, the U.S. catch decreased from 17,144 ecology of early life history stages is essential to to 10,325 t and the Japanese catch decreased from knowledge of fisheries exploitation, stock dynam- 54,310 to 2006 t. A dramatic case in stock decline is ics and aquaculture. Recent research on the genus that of the Pacific ocean perch, S.
  • Dynamics of Age Composition

    Dynamics of Age Composition

    Таблица 1 Объем собранного материала Год Количество станций Количество промеренных особей Обследованные глубины, м 2003 9 300 4-14 2004 40 216 1.5-17 2005 25 117 1.5-16 2006 25 73 1.5-16 2007 40 109 1.5-17 2008 33 106 1.5-18 Итого 171 921 1.5-18 Величина плотности поселения колеблется в пределах 0,01-3 экз./м2, а биомассы – от не- скольких граммов до 1 кг на квадратный метр. Средняя плотность поселения изменялась в пре- делах 0,05-1,07 экз./м2. Средняя биомасса варьировала от 10 до 330 г/м2. Анализ распределения приморского гребешка на обследованном участке показал: а) в целом скопления приморского гребешка приурочены к донным осадкам с преобладанием песчаных фракций, а также высокая плотность отмечена на галечном и галечно-гравийном грунтах (рис. 2); б) наиболее плотные скопления (0.5 экз./м2 и более) были отмечены на глубинах 11-13 и 17-18 м (рис. 3). Рис. 2. Зависимость средних плотности поселения и биомассы приморского гребешка от типа донного грунта на акватории о. Рикорда в 2003-2008 гг. Условные обозначения те же, что и на рис. 1. Пунктиром изображены сглаженные кривые Рис. 3. Зависимость средних плотности поселения и биомассы приморского гребешка от глубины обитания на акватории о. Рикорда в 2003-2008 гг. Пунктиром изображены сглаженные кривые В результате анализа размерно-частотного распределения мы выделили основные размерно- возрастные группы и средние размеры особей каждой из этих групп в поселении приморского гре- бешка (табл. 2, рис. 4). 88 Средний размер гребешка (по высоте створки) составляет 125,25±0,82 мм. Основную часть скоп- ления гребешка составляют промысловые особи, а доля особей непромыслового размера не превы- шает 24 % (рис.