Effects of disturbance timing on community recovery in an intertidal habitat of a Korean rocky shore

Kim, Hyun Hee; Ko, Young Wook; Yang, Kwon Mo; Sung, Gunhee; Kim, Jeong Ha

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자료유형: 학술저널

저자정보: Kim, Hyun Hee (Department of Biological Sciences, Sungkyunkwan University) Ko, Young Wook (Department of Biological Sciences, Sungkyunkwan University) Yang, Kwon Mo (Department of Biological Sciences, Sungkyunkwan University) Sung, Gunhee (Department of Biological Sciences, Sungkyunkwan University) Kim, Jeong Ha (Department of Biological Sciences, Sungkyunkwan University)

저널정보: 한국조류학회(藻類) Algae Algae 제32권 제4호

발행연도: 2017.1

수록면: 325 - 336 (12page)

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Intertidal community recovery and resilience were investigated with quantitative and qualitative perspectives as a function of disturbance timing. The study was conducted in a lower intertidal rock bed of the southern coast of South Korea. Six replicates of artificial disturbance of a $50cm{\times}50cm$ area were made by clearing all visible organisms on the rocky substrate in four seasons. Each of the seasonally cleared plots was monitored until the percent cover data reached the control plot level. There was a significant difference among disturbance timing during the recovery process in terms of speed and community components. After disturbances occurred, Ulva pertusa selectively preoccupied empty spaces quickly (in 2-4 months) and strongly (50-90%) in all plots except for the summer plots where non-Ulva species dominated throughout the recovery period. U. pertusa acted as a very important biological variable that determined the quantitative and qualitative recovery capability of a community. The qualitative recovery of communities was rapid in summer plots where U. pertusa did not recruit and the community recovery rate was the lowest in winter plots where U. pertusa was highly recruited with a long duration of distribution. In this study, U. pertusa was a pioneer species while being a dominant species and acted as a clearly negative element in the process of qualitative recovery after disturbance. However, the negative effect of U. pertusa did not occur in summer plots, indicating that disturbance timing should be considered as a parameter in understanding intertidal community resilience in temperate regions with four distinct seasons.

#macroalgae #pulse disturbance #recruitment #resilience #Ulva pertusa

참고문헌 (4)

참고문헌 신청

강은주 / 2016 / Effects of future climate conditions on photosynthesis and biochemical component of Ulva pertusa (Chlorophyta) / ALGAE 31(1):49~59

김주형 / 2016 / Species-specific responses of temperate macroalgae with different photosynthetic strategies to ocean acidification: a mesocosm study / ALGAE 31(3):243~256

김주희 / 2011 / 새만금 방조제 외측 고군산군도 지역의 해조상 및 군집구조 / 한국환경생태학회지 25(2):156~165

박찬선 / 2009 / 한국 남서해안 다도해 해상국립공원의 하계 해조상 / 환경생물 27(3):252~260

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