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首页> 外文期刊>Marine biology >Resilience of invasive tubeworm {Hydroides dirampha) to warming and salinity stress and its implications for biofouling community dynamics
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Resilience of invasive tubeworm {Hydroides dirampha) to warming and salinity stress and its implications for biofouling community dynamics

机译：侵入性浓度{氢饮料的能力依赖于升温和盐度压力及其对生物污染社区动态的影响

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摘要

Anthropogenic activities have accelerated the movement of non-indigenous species throughout the world. One approach to predict the spread of non-indigenous species is to employ bioclimatic envelope models which often assume niche conservation among sympatric, closely related species. Here, we test this assumption by comparing early developmental progress of two non-indigenous calcareous biofouling tubewormsHydroides elegansandH. dirampha. In the subtropical Hong Kong monsoon climate,H. diramphaandH. elegansexperience dramatic seasonal fluctuations in temperature (from 17 to 30 degrees C) and salinity (from 15 to 34 psu).Hydroides eleganswas previously shown to be sensitive to lower salinity and warmer temperature whileH. diramphapersisted in the field under these seasonal conditions. Thus, we hypothesize that the observed shift in abundance is due to the resilience of early stages ofH. diramphato the interactive stress of warming and lower salinity. Larval survival, growth, clearance, and settlement rate ofH. dirampha were quantified in a 2 x 3 factorial experiment (24 and 28 degrees C; 20, 26, 32 psu). Stage-dependent tolerance was observed: cleavage was hindered by low salinity. However, larval growth and clearance did not follow this trend and instead peaked at 26 psu. Similarly, settlement rate did not decrease with freshening; rather, it peaked at 26 psu under warming. The salinity tolerance ofH. diramphais compared with that determined by Qiu and Qian (Mar Ecol Prog Ser 168: 127-134, 1998) forH. elegans.Differences in larval physiological tolerances could shape abundance and distribution of a single species as well as broader community structure.
机译：人为活动加速了全世界非土着物种的运动。预测非土着物种的传播的一种方法是采用生物纤维素包络模型，这些模型通常假设合并症，密切相关的物种之间的利基保护。在这里，我们通过比较两种非土着钙质钙化生物磁性TubewormshaSandh的早期发育进展来测试这种假设。骆驼。在亚热带的香港季风气候，h。 Diramphaandh。挽心神经兴奋剂在温度（17至30摄氏度）和盐度（15至34psu）中的季节性波动剧烈令人震惊在这些季节性条件下在该领域的帆布。因此，我们假设观察到的丰富的转变是由于早期阶段的弹性。船只变暖和较低盐度的交互式压力。幼虫存活，生长，清关和结算率。 Dirampha在2×3因子实验中量化（24和28摄氏度; 20,26,32psu）。观察到阶段依赖性耐受性：通过低盐度阻碍切割。然而，幼虫生长和许可没有遵循这一趋势，而是在26psu达到达到峰值。同样，结算率没有随着清新而减少;相反，它在升温下在26psu达到峰值。盐度耐受性。 Diramphais与邱和钱（MAR ECOL PROG SER 168：127-134,1998）进行比较。秀丽丽雅星。幼虫生理耐受性可以塑造一个物种的丰富和分布以及更广泛的社区结构。

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  • 来源
    《Marine biology》 |2020年第10期|145.1-145.10|共10页
  • 作者

    Liu Ting-Xuan; Kinn-Gurzo Seneca; Chan Kit Yu Karen;

  • 作者单位

    Hong Kong Univ Sci & Technol Div Life Sci Clear Water Bay Hong Kong Peoples R China;

    Swarthmore Coll Biol Dept 500 Coll Ave Swarthmore PA 19081 USA;

    Hong Kong Univ Sci & Technol Div Life Sci Clear Water Bay Hong Kong Peoples R China|Swarthmore Coll Biol Dept 500 Coll Ave Swarthmore PA 19081 USA;

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