生态学杂志2012,Vol.31Issue(11):2848-2854,7.
山东埕口盐场海欣分场卤虫种群生态调查
Artemia population in Haixin Division of Chengkou saltworks, Shandong Province of East China: Ecological investigation
摘要
Abstract
Artemia plays an important role in the biological management of saltworks ecosystem. To approach the effects of the ecological environment of saltworks on the dynamics of Artemia population, six salt ponds with different salinity in Haixin Division of Chengkou saltworks, Shandong Province were chosen, and the related ecological factors were investigated by means of monthly sampling, on-site measuring, and laboratory analysis. It was observed that the brine temperature varied with seasons, and slightly increased with increasing salinity. The brine pH slightly decreased with increasing salinity. In general, the chlorophyll a content in the brine was lower ( <0. 3 μg · L-1 ) , as compared to that in normal seawater. The total nitrogen and phosphorous concentrations in the brine increased with increasing salinity, and the nitrogen was the restrictive element for phytoplankton growth in lower salinity ponds whilst the phosphorous became the limiting factor in higher salinity ponds. The density of Artemia population varied with the brine temperature and salinity, being higher at higher temperature (from June to August) and lower salinity (7 — 12 °Be). The analysis of the sex ratio of female and male Artemia indicated that in the Chengkou saltworks, there existed mixed Artemia populations of both parthenogenetic and bisexual. The density of the populations was affected by salinity and temperature, i. e. , parthenogenetic population was predominantly existed in lower salinity salt ponds and in spring and summer, whilst the bisexual population became majority in higher salinity salt ponds and in autumn.关键词
卤虫/种群组成/雌雄性比/盐度/温度Key words
Artemia/ population composition/ sex ratio/ salinity/ temperature分类
资源环境引用本文复制引用
王婧,隋丽英,贺华,刘文岭,高德涛,张荣岐,孙传伟..山东埕口盐场海欣分场卤虫种群生态调查[J].生态学杂志,2012,31(11):2848-2854,7.基金项目
科技部国际科技合作计划项目(2010DFA32300)、天津市科委国际科技合作项目(09ZCGHHZ01200)和天津市海洋资源与化学重点实验室(天津科技大学)开放基金项目(201003)资助. (2010DFA32300)