烟台浅海区不同养殖系统养殖效果的比较

于１９９８年４月５日至６月２３日，在山东烟台市四十里湾海区进行了３种养殖模式养殖效果比较的模拟实验。在该海区岸边建立了栉孔扇贝（Ｃｈａｍｙｓ ｆａｒｒｅｒｉ）单养，栉孔扇贝和海带（Ｌａｍｉｎａｒｉａ ｊａｐｏｎｉｃａ）混养，栉孔扇贝、海带和刺参（Ａｐｏｓｔｉｃｈｏｐｕｓ ｊａｐｏｎｉｃｕｓ）混养等３个系列、９个养殖系统和１个对照系统（５．０ｍ＊２．０ｍ＊１．０ｍ，日换水量１００％），进行对比实验。

Comparasion of effeciencies of different culture systems in the shallow sea along Yantai

In this paper, the efficiencies of dif ferent culture systems in Sishiliwan Bay, Yantai, China, were comparat ively sem-i in situ studied from April 5, 1998 to June 23, 1998. In the experiment , one control and nine culture systems, established ( 5 m @ 2 m @ 1 m in volume) near the bay, in which Chlamys farreri , Laminaria japonica , Apostichopus japonicus w ith dif ferent densities were stocked. Water exchanging quantity was 100% per day in each system. The results show that the productivities of C . f arreri in monoculture system and in polyculture system of shellf ish, seaweed and sea cucumber are 0. 56g / m2#d and 0. 78g/ m2#d respectively , and that of A . japonicus in polyculture system is 74. 7 g/ m2. The growth rate of C. farreri in monoculture system was slower than that in two kinds of polyculture systems. The eff iciency of shellfish, seaweed and sea cucumber polyculture system is better than that of shellf ish monoculture and shellf ish and seaweed polyculture systems. The optimal scallop stocking densities in monoculture system, and polyculture system of shellfish, seaweed and sea cucumber are 21. 0 and 23. 0 ind/ m 2 respectively , and the optimal densities for kelp in polyculture system of shellfish and seaweed, and in the mixed system of shellfish, seaweed, and sea cucumber are 0. 68 ind/ m 2 and 0. 71 ind/ m 2 respectively, and that of sea cucumber in polyculture system of shellfish, seaweed and sea cucumber is 2. 0 ind/ m2.