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首页> 外文期刊>Marine Environmental Research >The effects of red tide (Karenia brevis) on reflex impairment and mortality of sublegal Florida stone crabs, Menippe mercenaria
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The effects of red tide (Karenia brevis) on reflex impairment and mortality of sublegal Florida stone crabs, Menippe mercenaria

机译:赤潮(Karenia brevis)对合法的佛罗里达州石蟹Menippe mercenaria反射障碍和死亡率的影响

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摘要

The Florida stone crab, Mertippe mercenaria, is a major commercial fishery that occurs primarily along Florida's west coast, where harmful algal blooms of Karenia brevis frequently develop. To determine sublethal and lethal effects of K. brevis on M. mercenaria, we exposed sublegal stone crabs to three seawater treatments in laboratory conditions: no K. brevis (control), a low-toxin fC. brevis strain (Wilson LT), and a toxic K. brevis (New Pass strain). Total food consumed, reflex impairment and survivorship of each crab was monitored throughout the nine-day experiment. Crabs in the toxic treatment consumed 67% less food. The probability of an individual losing a reflex significantly increased with time (days), and there was a 42% decrease in survivorship in the toxic treatment. This is the first study to demonstrate negative effects of K. brevis on the stone crab, presenting the critical need of further investigation to fully understand how red tide may impact sustainability of the fishery.
机译:佛罗里达州的石蟹Mertippe mercenaria是主要的商业渔业,主要发生在佛罗里达州的西海岸,那里经常生长着淡淡的卡伦尼亚藻藻。为了确定短毛克鲁维酵母对Mercenaria的致死和致死作用,我们在实验室条件下将合法的石蟹暴露于三种海水处理中:无短毛克鲁维氏菌(对照),一种低毒素fC。 brevis菌株(Wilson LT)和有毒的K. brevis菌株(New Pass菌株)。在整个九天的实验中,对每只螃蟹的总食物消耗,反射障碍和存活率进行了监测。经过毒性处理的螃蟹少食用67%的食物。个人丧失反射能力的可能性随时间(天)而显着增加,并且中毒治疗的存活率降低了42%。这是第一个证明K. brevis对石蟹的负面影响的研究,提出了进一步研究以充分了解赤潮如何影响渔业可持续性的迫切需求。

著录项

  • 来源
    《Marine Environmental Research》 |2018年第6期|145-148|共4页
  • 作者单位

    Mote Marine Lab, Fisheries Ecol & Enhancement, 1600 Ken Thompson Way, Sarasota, FL 34236 USA;

    Florida Fish & Wildlife Conservat Commiss, Fish & Wildlife Res Inst, 100 8th Ave SE, St Petersburg, FL 33701 USA;

    Mote Marine Lab, Fisheries Ecol & Enhancement, 1600 Ken Thompson Way, Sarasota, FL 34236 USA;

    Mote Marine Lab, Fisheries Ecol & Enhancement, 1600 Ken Thompson Way, Sarasota, FL 34236 USA;

    Mote Marine Lab, Fisheries Ecol & Enhancement, 1600 Ken Thompson Way, Sarasota, FL 34236 USA;

    Mote Marine Lab, Fisheries Ecol & Enhancement, 1600 Ken Thompson Way, Sarasota, FL 34236 USA;

    Mote Marine Lab, Fisheries Ecol & Enhancement, 1600 Ken Thompson Way, Sarasota, FL 34236 USA;

    Mote Marine Lab, Fisheries Ecol & Enhancement, 1600 Ken Thompson Way, Sarasota, FL 34236 USA;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);美国《化学文摘》(CA);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Menippe mercenaria; Stone crab; Karenia brevis; Florida red tide; Mortality; Harmful algae bloom;

    机译:Menippe mercenaria;石蟹;Karenia brevis;佛罗里达红潮;死亡率;有害藻类开花;

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