Controls on Plant Bioavailability in Salt Marsh Environments Which Can Be Manipulated for Contaminated Sediment Remediation

LEE DEB 9706317研究将研究植物的影响，包括本地和转基因改造的物种，它们的根际群落和微生物垫对受高水平汞和多氯联苯污染的沉积物的生物修复。该项目将包括以下研究：（化学、物理和生物）污染的沉积物;建立盐沼和微咸水系统中的围隔生态系统使用最近建造的生物修复和环境研究围隔生态系统（BERM）设施在Skidaway研究所;评估各种操纵策略对污染物的积累和转化的影响植物生长在围隔生态系统;并测试该领域中最有前途的围隔生态系统研究策略。研究的结果应开始建立一个更完整的了解的作用，各种生态系统的组成部分，在现场条件下的生物修复，以及测试的效用，选定的转基因物种的使用，作为一个多组件的生物修复方法的一部分。

LEE DEB 9706317 Research will examine the effect of plants, both native and transgenically modified species, their rhizosphere communities and microbial mats on the bioremediation of sediments contaminated with high levels of mercury and PCBs. The project will include studies to: characterize (chemically, physically and biologically) the contaminated sediments; establish salt marsh and brackish water systems in mesocosms using the recently constructed Bioremediation and Environmental Research Mesocosm (BERM) facility at Skidaway Institute; evaluate various manipulative strategies for their affect on the accumulation and transformation of contaminants by plants growing in the mesocosms; and, test the most promising strategies from the mesocosms studies in the field. The results of the research should begin to establish a more complete understanding of the roles of various ecosystem components on bioremediation under field conditions as well as test the utility of selected transgenic species for their use as part of a multi-component bioremediation methodology.