한수지 49(2), 241-246, 2016 Note Korean J Fish Aquat Sci 49(2),241-246,2016 부안상록해수욕장의사상녹조류금발대마디말 (Cladophora vadorum) 대량발생과영양염농도 하동수 유현일 장수정 1 황은경 * 국립수산과학원해조류연구센터, 1 국립수산과학원서해수산연구소자원환경과 Bloom of a Filamentous Green Alga Cladophora vadorum (Areschoug) Kützing and Nutrient Levels at Shangrok Beach, Buan, Korea Dong Soo Ha, Hyun Il Yoo, Soo Jung Chang 1 and Eun Kyoung Hwang* Seaweed Research Center, National Institute of Fisheries Science, Mokpo 58746, Korea 1 Fisheries Resources and Environment Research Division, West Sea Fisheries Research Institute, Incheon 22383, Korea A filamentous green alga Cladophora vadorum (Areschoug) Kützing, bloomed at Shangrok Beach, Buan, Republic of Korea, in September 2015. This alga is currently distributed worldwide. Concentrations of total nitrogen (TN), total phosphorus (TP), dissolved inorganic nitrogen (DIN), and dissolved inorganic phosphorus (DIP) were analyzed in the bloom area and compared to those of other areas in the vicinity. DIN and DIP concentrations were similar to those of other areas. However, TN and TP were as much as six and ten times higher than in other areas, respectively. As in other Cladophora species, the bloom of C. vadorum at Shangrok Beach in 2015 appears to have depended on the TP concentration in the seawater. This suggests that blooms in the area can be controlled by reducing TP. Key words: Bloom, Cladophora vadorum, Total Phosphorus, Total Nitrogen 서론,. 1970 1990 (Veliela et al., 1997; Fletcher, 1996), (Green tides). 2000, (Ye et al., 2011)., (Biomass)., (Smetacek and Zingone, 2013).,, (H 2 S) (Norkko and Bonsdorff, 1996)., (Ulva), (golden tide) (Sargassum) (Norkko and Bonsdorff, 1996). 2008 6 (Pang et al., 2010; Kang et al., 2014). 2008 2009. (Cladophora),. (Cladophora spp.),,,. 170, 20 (Bae et al., 2010). 1990 2000 (, http://dx.doi.org/10.5657/kfas.2016.0241 Korean J Fish Aquat Sci 49(2) 241-246, April 2016 This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial Licens (http://creativecommons.org/licenses/by-nc/3.0/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited. Received 16 January 2016; Revised 24 February 2016; Accepted 29 February 2016 *Corresponding author: Tel: +82. 61. 280. 4720 Fax: +82. 61. 285. 1949 E-mail address: ekh215@korea.kr Copyright 2016 The Korean Society of Fisheries and Aquatic Science 241 pissn:0374-8111, eissn:2287-8815
242 하동수ㆍ유현일ㆍ장수정ㆍ황은경, ).,. Cladophora glomerata (Higgins et al., 2008). C. glomerata,, (Whitton, 1970; Planas et al., 1996; Orlova et al., 2004). 1800 (Taft and Kishler, 1973), 1848 (Higgins et al., 2008). 1970 1980 (Shear and Konasewich, 1975; Taft, 1975; Wong and Clark, 1976; Auer, 1982),,. (Vallentyne and Thomas, 1978), 1970 1990, (Charlton et al., 1999). 80% (Canale and Auer, 1982) 7 60% (Painter and Kamaitis, 1987). 2015 9., 2015,,. 시료채집및환경조사 재료및방법 (Fig. 1) 2015 9 15 1 L bottle., YSI-85 (YSI Inc., USA). 종동정 10 cm petri dish (Inverted microscope CKX41, Olympus, Japan) Fig. 1. A map showing the sampling site at Shangrok Beach, Buan, Republic of Korea. Closed circle represent the site of mass bloom of Cladophora vadorum. Live Digital-CCD (DP27, Olympus, Japan). Bae et al. (2010), Lee (2008) van den Hoak (1963). 해수중영양염분석 (QuAAtro auto analyzer 5 channels, Seal analytical GmbH, Germany). (Ammonia nitrogen, NH 4+ -N) Indophenol, (Nitrite nitrogen, NO 2- -N) ɑ-ned, (Nitrate nitrogen, NO 3 - -N) Cd-Cu, (Total nitrogen, TN) Cd-Cu. (Dissolved Inorganic Phosphorus, DIP), (Total phosphorus, TP). (Dissolved inorganic nitrogen, DIN),,., 2015 8, 2014~2015 2015 8. 통계처리 (one-way ANO- VA), SPSS ver 8.0 SYSTAT ver 9.0 0.01. Fish-
금발대마디말의대량발생 243 er s LSD test. 생태및환경적특성 결과및고찰 (Fig. 1).,, (Chang et al., 2007).,,. 2015 9 15 23.9 o C, 31.5 psu, ph 7.72. (LOICZ, 1995).,,, (Jang et al., 2005). (Mann, 2000),, (Rizzo, 1990). 2015 8 15 9 15 35 ha., (Fig. 2). 종동정,. (Fig. 3A),, - (Fig. 3B). (Figs. 3C-D). Lee (2008) [C. vadorum (Areschoug) Kützing].,,,,. 해수중영양염분석 (Table 1),,,,, 2015 8 Fig. 2. Mass bloom of Cldophora vadorum at Shangrok Beach, Buan, Republic of Korea in September 2015. A, Upper tidal zone of Shangrok Beach; B, Dense thalli attached to substrate in the bottom; C, Dense thalli growing at subtidal zone; D, Bottom and wood pole covered with C. varodum.
244 하동수ㆍ유현일ㆍ장수정ㆍ황은경 Fig. 3. Morphology of Cladophora vadorum. A, Dense thallus; B, Branch system of upper thallus; C, Cylindrical cell of thallus; D, Ramification from a branch. Scale bars are 10 cm (A), 500 µm (B), 50 µm (C-D). Table 1. Analysis of nutrients content from seawater at Shangrok Beach, Buan, Republic of Korea in 15 September 2015 Concentration (mg L -1 ) 1 Content This result Mean of Western coast August, 2015 2 Mean of Gomso Bay August, 2015 2 Mean of Gomso Bay 2014-2015 2 NH 4+ -N 0.025 b 0.061 a 0.032 b 0.024 b NO 2- -N 0.002 b 0.012 a 0.003 b 0.004 b NO 3- -N 0.003 c 0.115 a 0.008 c 0.040 b DIN 0.030 b 0.188 a 0.043 b 0.067 b TN 1.774 a 0.383 b 0.193 b 0.293 b DIP 0.010 a 0.019 a 0.012 a 0.010 a TP 0.438 a 0.046 b 0.034 b 0.030 b 1 Values in same raw having different superscripts are significantly different (P<0.01) as a result of a posteriori Fisher s LSD test. 2 Data from the monitoring report of marine environment around aquaculture area along the western coast in Korea, National Institute of Fisheries Science.,, 2015 8 5, 8 9, 2014-2015 6. 2015 8 10, 13, 2014-2015 15. 0.025, 0.002 mg L -1, 0.003 mg L -1 0.030 mg L -1, 1.774 mg L -1. 0.010 mg L -1, 0.438 mg L -1.,
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