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首页> 外文期刊>Oceanologia >Tolerance of Paramysis lacustris and Limnomysis benedeni (Crustacea, Mysida) to sudden salinity changes: implications for ballast water treatment
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Tolerance of Paramysis lacustris and Limnomysis benedeni (Crustacea, Mysida) to sudden salinity changes: implications for ballast water treatment

机译：阳刚寄生虫和贝氏疟原虫（甲壳纲，Mysida）对盐度突变的耐受性：对压载水处理的影响

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摘要

In order to draw implications for ballast water management, we tested the tolerance of two Ponto-Caspian mysid species Paramysis lacustris and Limnomysis benedeni to sudden salinity changes. The naturally stenohaline P. lacustris was more susceptible to higher salinities; its mortality rate at 19 PSU was 60%, whereas exposure to 23 PSU was 100% lethal. The euryhaline L. benedeni survived in salinities of up to 19 PSU, but experienced 100% mortality at 34 PSU. The return of both mysid species to fresh water after the 24 h exposure to higher salinities did not prevent further mortality. Considering the rather high short-term salinity tolerance of both species, a salinity of at least 30 PSU should be used as an appropriate biocide.
机译：为了对压载水管理产生影响，我们测试了两个里海蓬斯种和Mysid虾种对盐度突变的耐受性。天然甜茶碱乳酸杆菌更易受到较高盐度的影响。它在19 PSU时的死亡率为60％，而暴露于23 PSU时则是100％致命。 euryhaline L. benedeni在高达19 PSU的盐度下存活，但在34 PSU时死亡率达到100％。暴露于较高盐度下24小时后，两种类臭species物种都返回淡水并没有阻止进一步的死亡。考虑到两个物种的短期盐度耐受性都很高，因此应使用至少30 PSU的盐度作为合适的杀菌剂。

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