948 윤병선ㆍ박정호ㆍ윤상철ㆍ양재형ㆍ이성일ㆍ김종빈ㆍ최영민ㆍ손명호 al., 1999), (Grove and Sonu, 1985).,, 2, 2, (Sebastes schlegelii), (Hexagrammos otakii) (Platichthys stellatus), (

한수지 48(6), 947-959, 215 Original Article Korean J Fish Aquat Sci 48(6),947-959,215 울진바다목장에서자망으로어획된수산자원의종조성과계절변동 윤병선 박정호 윤상철 1 양재형 1 이성일 2 김종빈 * 최영민 3 손명호 4 국립수산과학원동해수산연구소, 1 독도수산연구센터, 2 원양자원과, 3 고래연구센터, 4 제주수산연구소 Seasonal Variations in the Species Composition of Fisheries Resources Caught by Trammel Net in the Uljin Marine Ranching Area, East Sea Byoung Sun Yoon, Jeong-Ho Park, Sang Chul Yoon 1, Jae Hyeong Yang 1, Sung-Il Lee 2, Jong-Bin Kim*, Young-Min Choi 3 and Myoung Ho Sohn 4 East Sea Fisheries Research Institute, National Institute of Fisheries Science, Gangneung 25435, Korea 1 Dokdo Fisheries Research Center, National Institute of Fisheries Science, Pohang 3779, Korea 2 Distant Water Fisheries Resources Research Division, National Institute of Fisheries Science, Busan 4683, Korea 3 Cetacean Fisheries Institute, National Institute of Fisheries Science, Ulsan 4478, Korea 4 Jeju Fisheries Research Institute, National Institute of Fisheries Science, Jeju 6368, Korea Variations in the species composition, biomass and size distribution of fisheries resources in the Uljin marine ranching area were investigated using trammel nets at two stations (artificial reef and natural rocky area) from 29 to 21. During the survey, a total of 74 species were sampled with a mean density of 132 ind./net and mean biomass of 21.56 kg/net. In the natural rocky area, a total of 45 species were sampled at a mean density of 22 ind./net and mean biomass of 28.81 kg/net, while in the artificial reef area, samples included a total of 56 species, with means of 62 ind./net and 14.3 kg/net. The dominant species, comprising over 3% of the total number of individuals, were Suberites ficus (3.8%), Ovalipes punctatus (19.2%), Paralichthys olivaceus (11.7%), Pleuronectes herzensteini (4.7%), Kareius bicoloratus (3.5%), Pseudopleuronectes yokohamae (3.5%) and Eopsetta grigorjewi (3.%). The dominant species, in terms of biomass, comprising over 5% of the total biomass, were P. olivaceus (22.1%), S. ficus (18.7%), O. punctatus (7.2%), Hexagrammos otakii (6.6%), P. yokohamae (5.7%), K. bicoloratus and P. herzensteini (5.3%). A cluster analysis and non-metric multidimensional scaling (nmds) analysis based on the Bray-Curtis similarity of fourth root transformed data for number of species and individuals, was divided into two groups: the artificial reef area (group A) and the natural rocky area (group B). Key words: Uljin marine ranching area, Trammel nets, Fisheries resources, Artificial reef, Natural rocky 서론, 198 (Fujita, 1987; Yotsui and Maesako, 1993; MIFFAF, 28; Choi, 21). (Watanuki and Yamamoto, 199; Tsutsui et al., 1996; Choi et al., 2),., (MOMAF, 25; MIFFAF, 28; Lee et al., 212). 1.3-2.3 (Kim et http://dx.doi.org/1.5657/kfas.215.947 Korean J Fish Aquat Sci 48(6) 947-959, December 215 This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial Licens (http://creativecommons.org/licenses/by-nc/3./) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited. Received 11 November 215; Revised 25 November 215; Accepted 2 December 215 *Corresponding author: Tel: +82. 33. 66. 8521 Fax: +82. 33. 661. 8513 E-mail address: kimjb5859@korea.kr Copyright 215 The Korean Society of Fisheries and Aquatic Science 947 pissn:374-8111, eissn:2287-8815

948 윤병선ㆍ박정호ㆍ윤상철ㆍ양재형ㆍ이성일ㆍ김종빈ㆍ최영민ㆍ손명호 al., 1999), (Grove and Sonu, 1985).,, 2, 2, (Sebastes schlegelii), (Hexagrammos otakii) (Platichthys stellatus), (Paralichthys olivaceus) (MIFFAF, 28; 29)., (Hwang et al., 24), (Edgar and Barrett, 1997; Guidetti et al., 22; Akamatus et al., 23; Oh et al., 21), (Kang et al., 28; Kim et al., 211), (Lee and Kang, 1994; Hwang and Jang, 214).,. 조사정점및방법 재료및방법 ( ) 2 km 2 (Fig. 1),, ( 1.5Ø) (Paik et al., 27; MIFFAF, 28). 29 5, 7, 9 11, 21 3, 6, 9 12, 25-35 m, 15-2 m. 1, 2 m, 85 mm, 485 mm, 6 m. YSI 66.,.1 cm,.1 g. Kim et al. (25), Kim (1973, 1977) NFRDI (21) Min et al. (24). 생태지수및군집분석 (H, Piolou, 1977). (C ij ) (S i, S j ) Bray-Curtis (BC; Bray-Curtis, 1957) (%), fourth root. (dendrogram) (cluster analysis), complete linkage., 2 (nmds, non-metric Multi Dimensional Scaling). SIMPER, PRIMER V5. (Clarke and Warwick, 21).,,,, SPSS version 12. for Windows paired t-test. t-test. 결과 수온 Fig. 1. Map showing the sampling stations of fisheries resources by trammel net from 29 to 21 in the Uljin marine ranching area, Korea. 21 3 7 8.6 8.3, 29 21 9 22.8 22.4

울진바다목장자망으로어획된수산자원 949 (Fig. 2). 21 3 7 8.5 8.3, 29 21 9 22.8 22.6 (paired t-test, P>.5). 21 3 7 8.4 8.3, 21 9 2.7 (Fig. 2). 21 3 7 8.4 8.2, 21 9 22.1 (paired t-test, P>.5). 출현종수 29 21 74 39, 12, 1, 7, 3, 2 1. 45 ( 13.4 ), 56 ( 16.6 ) (Fig. 3, paired t-test, P>.5). 29 38 21 21, 29 44, 21 33. 21 9, 29 9 21 12 9, 29 11 25. 29 5 21 6 1, 29 9 24. 개체수 132, 22, 62 (Fig. 3; Table 1, 2; paired t-test, P=.7). 77, 71 49. 4, 11, 4 (paired t-test, P=.3, P=.29). 29 18, 21 225. 29 61, 21 64 (paired Number of Species Abundance (Ind./net) 3 25 2 15 1 3 2 1 (A) 5 4 (B) Artificial reef Natural Rock 5 (C) Biomass (kg/net) 4 3 2 1 May Jul Sep Nov Mar Jun Sep Dec 29 21 Year Fig. 2. Seasonal variations of water temperature at artificial reef and natural rock area in Uljin marine ranching area from 29 to 21. Fig. 3. Temporal variations of the number of species, abundance and biomass of fisheries resources caught by trammel net in the Uljin marine ranching area from 29 to 21.

95 윤병선ㆍ박정호ㆍ윤상철ㆍ양재형ㆍ이성일ㆍ김종빈ㆍ최영민ㆍ손명호 Table 1. Seasonal variation of fisheries resources at artificial reef area in in the Uljin marine ranching area from 29 to 21 29 21 Species March July September November March June September December Mean N W N W N W N W N W N W N W N W N W Porifera Callyspongia sp. 2.1.3. Suberites ficus 1. 3.3 9 1. 1.1 18 1.9 4..4 Mollusca Aplysia kurodai 1.2.1. Ceratostoma burnetti 2.2 1.1.4. Chlamys swifti 2.2.3. Glossaulax didyma hayashii 1.1.1. Mytilus coruscus 2.3.3. Neptunea cumingii 2.2 1..4. Arthropoda Dromia wilsoni 3.1.4. Ovalipes punctatus 15 2.2 1. 3.5 2.4.3 Pugettia quadridens 2..3. Echinodermata Aphelasterias japonica 3. 2.2 2. 2.1 3.1 15 1.3 3.4.2 Asterias amurensis 6.4 1.1 3.3 2.2 4.6 2..2 Asterina bartheri 3.1.4. Asterina pectinifera 6.5 2.2 1..1 Henricia leviuscula 1.1.1. Lethasterias fusca 6.4.8. Plazaster borealis 2.4 2.6 1.3 1.6 3.1 1.1.2 Solaster dawsoni 1..1. Stichopus japonicus 1.2 2.3 1.2 3 1.1.9.2 Strongylocentrotus nudus 3.3 7.6 2.2 3.5 1.9.2 Chordata Chelyosoma dofleini 2.1 4.3 3.3 1.1.1 Halocynthia roretzi 1.1.1. Styela clava 1. 6.1.9. Pisces Alcichthys alcicornis 3.4.4. Aptocyclus ventricosus 1 1.4.1.2 Chelidonichthys spinosus 16 3.7 2.4 5 1.2 2 1. 6 1.2 6 2.2 8 1.9 5 1.3 6.3 1.6 Clidoderma asperrimum 1.1.1. Eopsetta grigorjewi 1.1 3.3 1.1.6.1 Fistularia commersonii 1.1.1. Hexagrammos agrammus 1.1.1. Hexagrammos otakii 2 1.9 2.6 4 1.2 1 6.9 5 2.1 7 2.7 3 1.6 1 5.6 5.4 2.8 Kaiwarinus equula 1.1.1. Kareius bicoloratus 2.2 9 2.1 4 1.8 1 1.1 2..7

울진바다목장자망으로어획된수산자원 951 Lophius litulon 2.2 6 3.5 1..5 Microstomus achne 1.3.1. Monocentris japonica 2.1.3. Okamejei kenojei 1.8 2 1.5.4.3 Oplegnathus fasciatus 1..1. Oplegnathus punctatus 1.1.1. Paralichthys olivaceus 7 1.1 26 4.5 1.3 8 5.4 7 1.4 14 4. 3 2.4 8.3 2.4 Paraplagusia japonica 2.4.3. Platichthys stellatus 2.1 8.6 1.3.1 Platycephalus indicus 1.6.1.1 Pseudopleuronectes herzensteini 1.2 11 1.6 1.3 1.6.3 Pseudoblennius percoides 1.5.1.1 Pseudopleuronectes yokohamae 2.4 1.1 1.2 7 2.6 1.4.4 Sebastes pachycephalus 1.1.1. Sebastes schlegelii 2.7 1 3.5 5 2.1 1.6 2.6 2.5.9 Sebastes thompsoni 2.3 1.1 12.9 4.5 4.5 8.9 5.6 4.5.5 Sebastes zonatus 1.2 2.2 3 1.2.8.2 Seriola quinqueradiata 5 3.4 3 2.1 1..7 Sillago japonica 1..1. Takifugu porphyreus 1.5.1.1 Tribolodon hakonensis 2 1.3.3.2 Zeus faber 1.3.1. Total 54 1.5 8 12.4 64 7.1 44 17.3 59 15.3 41 12.8 61 13.9 95 26.3 62.3 14.4 t-test, P>.5). 29 11 8, 21 3 376. 29 11 21 6 44 41 21 12 95. 생체량 21.63 kg, 28.81 kg, 14.44 kg (Fig. 3; Table 1, 2; paired t-test, P=.2). 17.53 kg, 7.62 kg, 2.85 kg. 12.14 kg, 1.25 kg,.43 kg, (paired t-test, P=.18, P=.32). 29 24.34 kg, 21 33.28 kg (paired t-test, P>.5). 29 11.82 kg, 21 17.7 kg, (paired t-test, P=.23). 29 11 19.65 kg, 21 4 45.6 kg. 29 9 7.6 kg 21 12 26.26 kg. 우점종 3% 7 5, 1 76.6%. (Suberites ficus) 41 (3.8%), (Ovalipes punctatus) 25 (19.2%). (P. olivaceus) 16 (11.7%), (Pseudopleuronectes herzensteini) 6 (4.7%), (Kareius bicoloratus) (Pseudopleuronectes yokohamae) 5 (3.5%), (Eopsetta grigorjewi) 4 (3.%) (Fig. 4). (Chelidonichthys spinosus) 6, (H. otakii)

952 윤병선ㆍ박정호ㆍ윤상철ㆍ양재형ㆍ이성일ㆍ김종빈ㆍ최영민ㆍ손명호 Table 2. Seasonal variation of fisheries resources at natural rocky area in in the Uljin marine ranching area from 29 to 21 29 21 Species March July September November March June September December Mean N W N W N W N W N W N W N W N W N W Porifera Suberites ficus 96 9.5 5.6 311 3. 11 1. 15 1.8 77.3 7.6 Cnidaria Hormathia andersoni 2..3. Mollusca Aplysia kurodai 1.1.1. Glossaulax didyma ampla 1.1.1. Neptunea arthritica 1.1 1..3. Neptunea cumingii 4.4.5. Octopus ocellatus 3.3 1.2.5.1 Rapana venosa venosa 1.1.1. Sepia esculenta 1.4.1.1 Siphonalia fusoides 2..3. Arthropoda Blepharipoda liberata 1..1. Charybdis japonica 1.2.1. Ovalipes punctatus 81 7.8 68 4.8 149 6. 1. 32 1.4 33 1.3 22.9 48.3 2.8 Paguridae spp. 2..3. Portunus trituberculatus 2.4.3. Aphelasterias japonica 2.2.3. Asterias amurensis 3.2 9 1.8 1.5.2 Asterina pectinifera 8.4 1..1 Stichopus japonicus 1.1 5.9 1.1.9.1 Strongylocentrotus nudus 1.4 2.5.4.1 Pisces Acanthopagrus schlegelii 1 1.7.1.2 Alcichthys alcicornis 7.6.9.1 Chelidonichthys spinosus 4.7. 1.4.6.1 Clidoderma asperrimum 2.3 3.4.6.1 Eopsetta grigorjewi 3.4 3.3 1.1 12 1.5 6 1.2 11 1.8 15 2.7 8 2.5 7.4 1.3 Fistularia commersonii 2.4.3.1 Gymnocanthus herzensteini 1..1. Hexagrammos otakii 2.4.3. Hippoglossoides pinetorum 1.1 2.3.4. Kareius bicoloratus 12 2.3 2 1.9 3.6 6 1.3 6 1.3 1 4.1 3 1.8 7.5 1.6 Limanda schrencki 1...1. Lophius litulon 2 3.6 1.4 2 3.3.6.9 Paralichthys olivaceus 43 9. 69 15.1 8 2.9 11 8. 6 2.9 2 5.1 13 5.4 12 8.6 22.8 7.1 Paraplagusia japonica 1.2 15 2.8 2..4 Platichthys stellatus 12 1.6 2 2.5 2.2 4 1.1 2 1.1 5..8

울진바다목장자망으로어획된수산자원 953 Platycephalus indicus. 2 1..3.1 Pseudopleuronectes herzensteini 2.7 5.7 3 5.5 7 1.2 27 4.8 16 3.3 1.9 2. Pseudopleuronectes yokohamae 3.7 3.6 5 1.1 7 1.7 12 3.3 11 3.2 1 2.6 11 3.3 7.8 2.1 Pseudorhombus pentophthalmus. 1.1.1. Repomucenus ornatipinnis 1. 1..3. Sebastes schlegelii 2.7 1.3 3 1.2.8.3 Sebastes thompsoni 1.1.1. Thamnaconus modestus 1.5.1.1 Tribolodon hakonensis 1.6.1.1 Zeus faber 1.3.1. Total 169 26.9 24 29.6 267 21.2 8 19.7 376 45.1 217 29.5 112 24.4 188 34.1 21.6 28.8 (Sebastes thompsoni) 5. 5.% 7 5, 1 71.%. 4.8 kg (22.1%), 4. kg (18.7%), 1.6 kg (7.2%), 1.4 kg (6.6%), 1.2 kg (5.7%), 1.1 kg (5.3%) (Fig. 5). 6, 2.8 kg (19.7%), 2.4 kg (16.7%), 1.5 kg (1.2%).9 kg (6.6%). 군집분석, 2.2, 1.64, 2.4 (Fig. 6; t-test, P=.9)., 2 (Fig. 7). A 8 29 11, B 29 11 7. A B SIMPER 2% 1 (Table 3). 29.56% A 4 B 87.6. 23.17%, A 2.4 B 55..,,,, (P. stellatus) B. 2.58% 2.39%, A Table 3. Species contributions to dissimilarity between Group A and Group B in the Uljin marine ranching area from 29 to 21 Rank Scientific name Average abundance (Ind./net) Group A Group B Contribution (%) Cumulation (%) 1 Suberites ficus 4. 87.6 29.56 29.56 2 Ovalipes punctatus 2.4 55. 23.17 52.73 3 Paralichthys olivaceus 8.3 24.4 8.86 61.59 4 Pseudopleuronectes herzensteini 1.6 11.7 5.18 66.77 5 Kareius bicoloratus 2. 8.6 3.38 7.15 6 Eopsetta grigorjewi.6 6.7 3.4 73.19 7 Pseudopleuronectes yokohamae 1.4 7.9 3.1 76.2 8 Chelidonichthys spinosus 6.3.6 2.58 78.78 9 Platichthys stellatus 1.3 5.4 2.53 81.31 1 Hexagrammos otakii 5.4. 2.39 83.7

954 윤병선ㆍ박정호ㆍ윤상철ㆍ양재형ㆍ이성일ㆍ김종빈ㆍ최영민ㆍ손명호 Abundance (Ind./net) 4 3 2 1 2 15 1 5 1 8 6 4 2 4 3 2 1 3 25 2 15 1 5 2 15 1 5 2 15 1 5 Artificial reef Natural Rock Suberites ficus Ovalipes punctatus Paralichthys olivaceus Pleuronectes herzensteini Kareius bicoloratus Pseudopleuronectes yokohamae Eopsetta grigorjewi May Jul Sep Nov Mar Jun Sep Dec 29 21 Year Biomass (kg/net) 2 15 1 5 2 1 1 8 6 4 2 1 8 6 4 2 1 8 6 4 2 1 8 6 4 2 6 4 2 Paralichthys olivaceus 4 Suberites ficus 3 Ovalipes punctatus Hexagrammos otakii Pseudopleuronectes yokohamae Kareius bicoloratus 1 Pleuronectes herzensteini 8 Artificial reef Natural Rock May Jul Sep Nov Mar Jun Sep Dec 29 21 Year Fig. 4. Temporal variations of the abundance of seven dominant species in the Uljin marine ranching area from 29 to 21. Fig. 5. Temporal variations of the biomass of seven dominant species in the Uljin marine ranching area from 29 to 21. 6.3 5.4 B. 체장조성, 29 29.4 cm 21 33.2 cm (Fig. 8; t-test, P=.), 29 26. cm 21 32.8 cm (Fig. 7; t-test, P=.). 29 24.3 cm 21 28.4 cm (t-test, P=.2), 29 24.7 cm 21 35.3 cm (t-test, P=.1).

울진바다목장자망으로어획된수산자원 955 Diversity (H') 4. 3. 2. 1.. Artificial reef Natural rock May Jul Sep Nov Mar Jun Sep Dec 29 21 Year Fig. 6. Temporal variations of the diversity index in the Uljin marine ranching area from 29 to 21. 29 25.6 cm 21 27.3 cm (t-test, P=.38), 29 25. cm, 21 24.3 cm (t-test, P>.5). 29 22.5 cm 21 26.1 cm (t-test, P=.), 29 2.5 cm, 21 24.3 cm (ttest, P>.5). 29 24.6 cm, 21 24.4 cm, 29 25.2 cm, 21 23.9 cm (t-test, P>.5). 고찰 29 21 74 39, 12, 1, 7. 32, 1 25, 8, 5. 27 7, 28 11 29 24, 21 19 (MIFFAF, 28, 29). 27 28 8, 29 2, 21 14 (MIFFAF, 28, 29).,, Ryu et al. (25), Bae et al. (21) Shon et al. (214)., (Lee and Kang, 1994; Yim, 25; Hwang and Jang, 214; Hwang et al., 215)., (Choi et al., 2; Hwang and Kim, 23; Ko et al., 212).. 132, 62 (29 61, 21 64 ), 22 (29 18, 21 225 ). 27 35, 28 38, 27 4, 28 6. Yoon et al. (211), 15-2 m (Park et al., 27; MIFFAF, 28)., 25-35 m (Park et al., 27; MIFFAF, 28) 29 (Yoon et al., 211; 213)., 27 28,. (MIFFAF, 28), 29 (Yoon et al., 213).,,,,,,,,,,, (Aphelasterias japonica),, (Seriola quinqueradiata).

956 윤병선ㆍ박정호ㆍ윤상철ㆍ양재형ㆍ이성일ㆍ김종빈ㆍ최영민ㆍ손명호 Fig. 7. Dendrogram and nmds based on Bray-Curtis similarity matrix of fourth root transformed data of species number and abundance in the Uljin marine ranching area from 29 to 21.

울진바다목장자망으로어획된수산자원 957 Fig. 8. Length frequency distribution of dominant species by year and station in the Uljin marine ranching area from 29 to 21. 1.2-1.3, (Kim, 21; Kim et al., 25; Jeong and Kim, 27). A ( ) B ( ), (Park et al., 27; MIFFAF, 28; 29),. B ( ), 29 21. Yoon et al. (211, 213, 214) Kim et al. (21) (Yoon et al., 211; 213; 214; Kim et al., 21), 26, (MIFFAF, 28; 29; 21).,,,. Yoon et al. (213), 29 21 29.6 cm 37.3 cm, 29 Table 4. Mean total length of dominant species in the Uljin marine ranching area from 29 to 21 Scientific name 29 21 Yoon et al. Artificial reef Natural rock Yoon et al. Artificial reef Natural rock Paralichthys olivaceus 29.6 26. 29.4 37.3 32.8 33.2 Kareius bicoloratus 36.4 24.7 24.3 39. 35.3 28.4 Eopsetta grigorjewi 16.4 2.5 22.5 18.9 24.3 26.1 Pseudopleuronectes yokohamae 2.2 25. 25.6 24.5 28.1 27.3 Pleuronectes herzensteini 17. 25.2 24.6 2.3 23.9 24.4 References Yoon et al., 213 The present study

958 윤병선ㆍ박정호ㆍ윤상철ㆍ양재형ㆍ이성일ㆍ김종빈ㆍ최영민ㆍ손명호 21 (Table 4). Yoon et al. (213) 29 21 36.4 cm 39. cm. Yoon et al. (213)., Yoon et al. (213), 15 cm 84.84 mm, 485 mm. 45 cm 1.6% 4.5%, 25 cm (Jun et al., 23) 56.9% 62.5%. 23 cm (Kim et al., 211) 72.9% 4.%, 19.8 cm (Seo et al., 21) 1% 9.9%, 17.8 cm (Cha et al., 26) 97.7% 1%. 사사 215 (R21529). References Akamatsu TH, Takahashi H and Matsuda A. 23. A monitoring system for the aggregated fish group by and acoustic-visual combined method. Scientist 4, 18-26. Bae BS, An HC, Park HH, Park CD and Yang YS. 21. Catch characteristic and present condition of by-catch and discard of trammel nets fishery in the East Sea. J Kor Soc Fish Tech 46, 13-114. Bray JR and Curtis JT. 1957. An ordination of the upland forest communities of southern Wisconsin. Ecol Monogr 27, 325-349. Cha HK, Park KY, Lee SI, Park HW, Kwon HC and Choi SH. 26. Maturity and spawning of brown sole, Pleuronectes herzensteini (Jordan et Snyder) in the East Sea of Korea. Kor J Ichthyol 18, 363-367. Choi CG, Takayama H, Segawa S, Ohno M and Sohn Ch. 2. Early stage of algal succession on artificial reefs at Muronohana, Ikata, Japan. J Fish Sci Tech 3, 1-7. Choi CG. 21. Marine communities around the experimental artificial reefs. Ph. D. Thesis, Pukyoung National University, Busan, Korea. Choi JW, Je JG, Lee JH and Lim HS. 2. Distribution pattern of macrobenthic invertebrates on the shallow subtidal sandy bottoms near Kangrung, East coast of Korea. J Kor Soc Ocean, 5, 346-356. Clarke KR and Warwick RM. 21. Changes in marine communities: an approach to statistical analysis and interpretation. Natural Environment Research Council, Plymouth Marine Laboratory, UK, 144. Edgar GJ and Barrett NS. 1997. Short tern monitoring of biotic change in Tamanian marine reserves. J Exp Mar Biol Ecol 213, 261-279. Fujita D. 1987. The report of interview to fisherman on "Isoyake" in Taisei-Cho, Hokkaido. Suisanzoshoku, 35, 135-138. Grove RS and Sonu CJ. 1985. Fishing reef planning in Japan. Artificial Reefs: Marine and Freshwater Applications. D Itri FM, ed. Lewis Publication Inc., Michigan, USA, 187-251. Guidetti P, Fanelli G, Fraschetti S, Terlizzi A and Boero F. 22. Coastal fish indicate human-induced changes in the Mediterranean littoral. Mar Environ Res 53, 77-94. Hwang BK and Jang HY. 214. Spatial characteristics of fish distribution lured by artificial reefs in Jeju marine ranching area. J Kor Soc Fish Tech 5, 3-38. Hwang BK, Lee YW, Jo HS, Oh JK and Kang MH. 215. Visual census and hydro-acoustic survey of demersal fish aggregations in Ulju small scale marine ranching area (MRA), Korea. J Kor Soc Fish Technol 51, 16-25. Hwang DJ, Park JS and Lee YW. 24. Estimation of fish school abundance by using an echo sounder in an artificial reef area. J Kor Fish Soc 37, 249-254. Hwang SD and Kim JS. 23. Change in community structure of shellfish in the Reclaimed Saemangeum Area. J Kor Fish Soc 36, 78-715. Jeong Ch and Kim HT. 27. Numerical analysis of the flow field around artificial reefs. J Kor Fish Soc 4, 31-38. Jun JC, Sim DS, Kim YH and Chung EY. 23. Sexual maturation of the stone flounder, Kareius bicoloratus, on the west coast of Korea. Kor J Ichthyol 15, 259-271. Kang DH, Im YJ, Lee CW, Yoo Jt and Myoung JG. 28. Hydroacoustic survey of spatio-temporal srability and distribution of demersal fish aggregations near the west coast of Jeju island, Kore. Ocean Polar Res 3, 181-191 Kim HS. 1973. Illustrated encyclopedia of fauna and flora of Korea. Anomura, Brachyura, 14, Sam-Hwa Publ. Co. Ltd., Seoul, Korea, 694. Kim HS. 1977. Illustrated encyclopedia of fauna and flora of

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