지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
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초록· 키워드
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The aim of this study was to evaluate artificial fish shelter, which was known to increase prey survival and expand habitat space to improve species diversity and fish communities in a freshwater ecosystem. The experiment was performed at an outdoor test-bed for three months from 2011 by comparing the responses to adjustments in the volume of the artificial patch (juvenile fish shelter, JFS) in the control and experimental groups. Analysis of the environmental conditions over two periods (Period1 ~ 2) showed minor differences in the physichemical characteristics of water quality, phytoplankton, and zooplankton biomass, thus, allowing comparative analysis of feeding ecology. However, high water temperature conditions in Period1 ($25.6{\pm}2.0^{\circ}C$), affected the predation activity of the piscivorous fishes, Coreoperca herzi (C. herzi, size $89{\pm}4mm$). Survival rates of the prey fishes, Rhynchocypris oxycephalus (R. oxycephalus, size $29{\pm}1mm$), improved as the patch volume increased and were higher than those of the control group by 35.9 ~ 46.7%. Analysis showed that JFS reduced the chances of predator-prey encounter, and thereby minimized prey vulnerability.
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등록된 정보가 없습니다.
참고문헌 (50)
참고문헌 신청
Allan, D. J. / 2004 / Landscapes and Riverscapes: The Influence of Land Use on Stream Ecosystems / Annual Review of Ecology, Evolution, and Systematics 35:257~284
Almany, G. R. / 2004 / Differential Effects of Habitat Complexity, Predators and Competitors on Abundance of Juvenile and Adult Coral Reef Fishes / Oecologia 141:105~113
American Public Health Association(APHA) / 2005 / Standard Methods for the Examination of Water and Wastewater (21th edition) / American Public Health Association :9~72
Bailey, K. M. / 1990 / Fish Predation And Mortality, In Encyclopedia of Ocean Sciences :961~968
Bernhardt, E. S. / 2007 / Restoring Streams in an Urbanizing World / Freshwater Biology 52:738~751
Almany, G. R. / 2004 / Differential Effects of Habitat Complexity, Predators and Competitors on Abundance of Juvenile and Adult Coral Reef Fishes / Oecologia 141:105~113
American Public Health Association(APHA) / 2005 / Standard Methods for the Examination of Water and Wastewater (21th edition) / American Public Health Association :9~72
Bailey, K. M. / 1990 / Fish Predation And Mortality, In Encyclopedia of Ocean Sciences :961~968
Bernhardt, E. S. / 2007 / Restoring Streams in an Urbanizing World / Freshwater Biology 52:738~751
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