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首页> 外文期刊>Journal of Experimental Marine Biology and Ecology >Juvenile growth of the tropical sea urchin Lytechinus variegatus exposed to near-future ocean acidification scenarios
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Juvenile growth of the tropical sea urchin Lytechinus variegatus exposed to near-future ocean acidification scenarios

机译：暴露于近期海洋酸化环境中的热带海胆幼体Lytechinus variegatus的幼体生长

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摘要

To evaluate the effect of elevated pCO_2 exposure on the juvenile growth of the sea urchin Lytechinus variegatus, we reared individuals for 3 months in one of three target pCO_2 levels: ambient seawater (380 μatm) and two scenarios that are projected to occur by the middle (560 μatm) and end (800 μatm) of this century. At the end of 89 days, urchins reared at ambient pCO_2 weighed 12% more than those reared at 560 uatm and 28% more than those reared at 800 uatm. Skeletons were analyzed using scanning electron microscopy, revealing degra-dation of spines in urchins reared at elevated pCO_2 (800 uatm). Our results indicate that elevated pCO_2 levels projected to occur this century may adversely affect the development of juvenile sea urchins. Acidification-induced changes to juvenile urchin development would likely impair performance and functioning of juvenile stages with implications for adult populations.
机译：为了评估pCO_2暴露量的增加对海胆Lytechinus variegatus幼鱼生长的影响，我们以三个目标pCO_2水平之一饲养了3个月的个体：环境海水（380μatm）和两个预计在中期发生的情况（560μatm）和本世纪末（800μatm）。在89天结束时，在环境pCO_2下饲养的海胆比在560 uatm饲养的海胆重12％，比在800 uatm饲养的海胆重28％。使用扫描电子显微镜对骨骼进行分析，发现在升高的pCO_2（800 uatm）下饲养的海胆中棘的退化。我们的结果表明，预计本世纪将发生的pCO_2水平升高可能对少年海胆的发育产生不利影响。酸化引起的海胆发育的变化可能会损害幼年阶段的性能和功能，从而影响成年人群。

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    Rebecca Albright; Charnelle Bland; Phillip Gillette; Joseph E. Serafy; Chris Langdon; Thomas R. Capo;

  • 作者单位

    Rosenstiel School of Marine and Atmospheric Science, Division of Marine Biology and Fisheries, 4600 Rickenbacker Causeway, University of Miami, Miami, FL 33149, USA Australian Institute of Marine Science, Townsville MC,Townsville QLD 4810, Australia;

    Rosenstiel School of Marine and Atmospheric Science, Division of Marine Biology and Fisheries, 4600 Rickenbacker Causeway, University of Miami, Miami, FL 33149, USA;

    Rosenstiel School of Marine and Atmospheric Science, Division of Marine Biology and Fisheries, 4600 Rickenbacker Causeway, University of Miami, Miami, FL 33149, USA;

    Rosenstiel School of Marine and Atmospheric Science, Division of Marine Biology and Fisheries, 4600 Rickenbacker Causeway, University of Miami, Miami, FL 33149, USA National Marine Fisheries Service, SEFSC,75 Virginia Beach Drive, Miami, FL 33149, USA;

    Rosenstiel School of Marine and Atmospheric Science, Division of Marine Biology and Fisheries, 4600 Rickenbacker Causeway, University of Miami, Miami, FL 33149, USA;

    Rosenstiel School of Marine and Atmospheric Science, Division of Marine Biology and Fisheries, 4600 Rickenbacker Causeway, University of Miami, Miami, FL 33149, USA;

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  • 正文语种 eng
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  • 关键词

    carbon dioxide; CO_2; development; echinoderm; invertebrate; pCO_2; pH;

    机译：二氧化碳;CO_2;发展棘皮动物无脊椎动物pCO_2;pH值;

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