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군위댐 건설 공사가 저서성대형무척추동물 군집 변동에 미치는 영향
권혁영 ( Hyeok Yeong Kwon ),이미진 ( Mi Jn Lee ),박진영 ( Jin Young Park ),이종은 ( Jong Eun Lee ) 한국환경과학회 2014 한국환경과학회지 Vol.23 No.5
Benthic macroinvertebrates were seasonally sampled from upstream and downstream of the Gunwi Dam construction site from 2006 to 2012. Totally 148 and 165 species were collected at the upstream and downstream sampling sites, respectively. At the upstream area after dam construction, there was no significant change of the numbers of non-insect taxa, but at the downstream area, the non-insect taxon numbers were increased gradually. The individual ratio of Ephemeroptera and Diptera had higher value than the other taxa in both of up and downstream. The trichopteran individual ratios were increased in upstream sites, but decreased in downstream sites from 2010. Also, non-insects and coleopteran individual ratios were decreased in upstream, but increased in downstream after completion of dam construction. The annual range of fluctuation in community indices narrowed after construction. According to a functional feeding group analysis, the individual ratios of FC (Filtering Collector) were increased, and GC (Gathering Collector) and SC (Scraper) were decreased in upstream sites annually. In contrast, the annual individual ratios of FC were decreased, and GC and SC were increased in the downstream sites.
조위 및 수온, 염분 데이터를 이용한 동해 연안의 해수면 변화
박세영 ( Se Young Park ),이충일 ( Chung Il Lee ),권혁영 ( Hyeok Yeong Kwon ),이미진 ( Mi Jn Lee ),박진영 ( Jin Young Park ),이종은 ( Jong Eun Lee ) 한국환경과학회 2014 한국환경과학회지 Vol.23 No.5
Long-term change in sea level along the eastern coast of Korea was illustrated using four tide-gauge station (Pohang, Mukho, Sokcho, Ulleung) data, water temperature and salinity. Seasonal variation in the sea level change was dominant. The sea level change by steric height derived from water temperature and salinity was relatively lower than that measured from the tide-gauge stations. Sea level rising rate per year by steric height increased with latitude. The effect of salinity(water temperature) on the sea level change is greater in winter(in summer).