摘要
2004年12月和2005年3月份分别在大亚湾5个典型站位采样,用现场稀释法研究了冬春季大亚湾微型浮游动物对浮游植物的摄食率(g)和浮游植物的生长率(μ)。结果显示:12和3月份大亚湾浮游植物的生长率分别为0．18-1．19 d-1,0．16-1．14 d-1,微型浮游动物的摄食率分别为1．00-2．08 d-1,0．33-1,74 d-1,微型浮游动物对浮游植物现存量的摄食压力范围为76％-287％,47％-258％,对潜在初级生产力的摄食压力范围分别为101％-445％,70％-330％。说明大亚湾作为典型的亚热带海湾,具有高的μ、g值,微型浮游动物对浮游植物的摄食压力也处于较高水平。
With dilution technique, the microzooplankton grazing rate（μ） and the phytoplanton growth rate （g） in the Daya Bay in 22nd Dec. 2004 and 15th Mar. in 2005 were studied. The grazing experiments were conducted at 5 typical stations within the Bay. In winter, the phytoplankton growth rate and micrazooplankton grazing rate were 0. 18 and 1.19 d^-1 , 1.00 and 2.08 d^-1, respectively. The grazing pressure of the microzooplankton on percentage of phytoplankton standing crop and potential production ranged from 76 % to 287 %, 101% to 445 %, respectively, while in spring, 0. 16 - 1.14 d^-1 and 0. 33 - 1.74 d^-1 respectively, and from 47% to 258%, 70% to 330%, respectively. The results shown that the Daya Bay waters is the typical subtropical water with high μand g, and the grazing pressure of microzooplankton is at high level.
出处
《海洋环境科学》
CAS
CSCD
北大核心
2006年第A01期44-47,共4页
Marine Environmental Science
基金
广东省重大科技兴海项目(A200099E01)
关键词
摄食压力
稀释法
生长率
微型浮游动物
浮游植物
grazing pressure
dilution technique
growth rate, microzooplankton
phytoplankton
Daya Bay
