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논문 기본 정보

자료유형
학술저널
저자정보
Choi, Han Gil (Faculty of Biological Science and Institute of Basic Natural Sciences, Wonkwang University) Kim, Bo Yeon (Faculty of Biological Science and Institute of Basic Natural Sciences, Wonkwang University) Park, Seo Kyoung (Faculty of Biological Science and Institute of Basic Natural Sciences, Wonkwang University) Heo, Jin Suk (Faculty of Biological Science and Institute of Basic Natural Sciences, Wonkwang University) Kim, Changsong (Department of Marine Biotechnology, Kunsan National University) Kim, Young Sik (Department of Marine Biotechnology, Kunsan National University) Nam, Ki Wan (Department of Marine Biology, Pukyong National University)
저널정보
한국조류학회(藻類) Algae Algae 제30권 제1호
발행연도
2015.1
수록면
59 - 66 (8page)

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초록· 키워드

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The growth and hole formation of Ulva australis were examined at seven coastal areas of Korea between July and August, 2013. Animal species and weight growing on the Ulva fronds were estimated at Haseom, Pohang, and Woedo. The effects of wave exposure on the morphological features and residential animals of Ulva fronds were investigated at wave-exposed and sheltered sites of Seongsan on October 19, 2013. U. australis had different frond areas ($82-665cm^2$), hole areas ($2.5-6.3cm^2$), and hole numbers (9.8-41.3 holes) at the seven sites. Within $0.1m^2$ of Ulva frond, hole areas ranged from 0.37 to $5.94cm^2$, and between 4.9 and 36.2 holes were observed. Fourteen residential animal species were observed at the three evaluated sites, 75.0 (Haseom) to 408.7 individuals $100g^{-1}$ Ulva (Pohang) per site. The dominant residential species at each site differed with Amphithoe sp. at Haseom, Monodonta spp. at Pohang, and Pagurus sp. at Woedo. The growth (frond area, wet weight) and hole number of Ulva fronds, and the number of residential animals were significantly greater in samples collected from the sheltered shore than the wave-exposed shore of Seongsan. The present results showed U. australis grew well at sheltered shores and had more holes on the fronds due to abundance of residential animals. The dominant residential animals (crabs, gammaridea, and snails) were similar in the Ulva populations of sheltered and wave-exposed shores, but greater species diversity was observed at the exposed shore (18 species ver. 11 species). In conclusion, U. australis is a keystone species providing habitat to various invertebrates and frond holes are positively correlated to the number of residential animals.

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