胶州湾异养浮游细菌对磷的吸收作用及影响因素研究Phosphorus Uptake by Heterotrophic Bacterioplankton and Its Affecting Factors in Jiaozhou Bay
白洁,李岿然,张昊飞,刘东艳,刘广山,张经,李佳霖
摘要(Abstract):
为了解异养浮游细菌在磷的海洋生物地球化学循环和海湾富营养化中的作用,于2003年6月、8月和2004年3月采用现场调查和实验室培养相结合的方法,对胶州湾异养浮游细菌的无机磷酸盐吸收量、周转时间及影响因素进行了研究,结果表明,胶州湾异养浮游细菌对无机磷酸盐的吸收量在春、夏、冬季分别为4.34,2.13,0.89×10-2μg/dm3.h,周转时间分别为39.78,29.29,6.56d,水温和有机质含量是其主要限制因子,胶州湾春季异养浮游细菌与藻类可能存在对无机磷酸盐的吸收竞争。
关键词(KeyWords): 胶州湾;营养盐;异养浮游细菌;吸收率;周转时间
基金项目(Foundation): 国家自然科学基金重点项目(40036010);; 山东省环保重点基金(2004040-1);; 中国海洋大学物理海洋教育部重点实验室开放基金资助
作者(Author): 白洁,李岿然,张昊飞,刘东艳,刘广山,张经,李佳霖
DOI: 10.16441/j.cnki.hdxb.2005.05.027
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