- Volume 38 Issue 2
Total Microbial Biomass Measured by ATP in Three Marine Sedimentary Environments
아데노신 3인산(ATP; Adenosine-5′ triphosphate)을 이용한 심해저 및 연안퇴적토의 총 미생물 생체량 측정
- 현정호 (심해저자원 연구센터) ;
- 김경홍 (심해저자원 연구센터) ;
- 권개경 (한국해양연구원 미생물 연구실) ;
- 이정현 (한국해양연구원 미생물 연구실) ;
- 이홍금 (한국해양연구원 미생물 연구실) ;
- 김상진 (한국해양연구원 미생물 연구실) ;
- 김기현 (심해저자원 연구센터)
- Published : 2002.06.01
ATP concentrations far estimating total microbial biomass in the sediment were measured in three different marine sedimentary environments. ATP concentrations were highest in the surface sediment and decreased with increasing sediment depth and distance from the land. The results indicated that the benthic microbial biomass is primarily controlled by nutrient inputs from the overlying water column. Because of the longer residence time and adsorption to the sediment, the variations in organic carbon (OC) contents with sites and depths were not as distinct as that of ATP, and the correlation between OC and ATP was not significant in the coastal sediments. No significant correlation between OC and ATP in the coastal sediments also suggested that microbial biomass in the labile organic-enriched coastal sediment is suppressed by the grazing of higher trophic level such as meiofauna. Overall regional and vertical distribution of ATP indicated that h\`w can be a relevant tool for measuring total microbial biomass in various marine sedimentary environments.
- 한국의 갯벌(중) 우리나라 갯벌의 규모와 간척 고철환;고철환(편)
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