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中国对虾养成过程中虾池水质和底质的变化 Ⅱ.不同虾池不同时期水体中叶绿素的变化
VARIATIONS OF THE WATER QUALITY AND THE SUBSTRATE DURING THE ADULT CULTURE OF PENAEUS CHINENSIS Ⅱ/ VARIATIONS OF CHLOROPHYLL IN THE WATER IN DIFFERENT SHRIMP PONDS AND DIFFERENT PERIODS
【摘要】 本文调查了在中国对虾养成过程中,放苗数,饵料系数和产量不同的七个虾池水体内叶绿素a的含量变化及五个虾池水体内脱镁叶绿素的含量变化。结果表明七个虾池中叶绿素a的含量从5月份到9月份由4mg/m3左右增加到37~46mg/m3,8月份个别虾池达到65mg/m3。五个虾池中的脱镁叶绿素含量从5月份到8月份由<10mg/m3增加到48~66mg/m3,和叶绿素a的变化是一致的,但9月份又下降到30mg/m3以下。
【Abstract】 The variations of chlorophylla and phaeophytin during the adult culture of penaeus chinensis are investigated. The result shows that the content of chlor ophylla increases from about 4mg·m-3 to 37-46mg·m- 3, from May to September,reachs 65mg·m-3 in individual shrimp pond in August. the content of phaeophytin incre-ases from <10mg·m-3 to 48-66mg·m-3 from May to August.
【基金】 农业部科研基金
- 【文献出处】 海洋湖沼通报 ,Transaction of Oceanology and Limnology , 编辑部邮箱 ,1994年03期
- 【分类号】S949
- 【被引频次】8
- 【下载频次】127