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首页> 外文期刊>Estuarine Coastal and Shelf Science >Possible environmental chemical cues affecting behaviour of the mangrove gastropod Cerithidea decollata
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Possible environmental chemical cues affecting behaviour of the mangrove gastropod Cerithidea decollata

机译：影响红树林腹足动物Cerithidea decollat​​a行为的可能的环境化学线索

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摘要

The Indo-West Pacific mangrove gastropod Cerithidea decollata feeds on the ground at low tide and climbs the trees (Avicennia marina) two hours before the arrival of water, settling well above the level that the incoming tide will reach at high tide (from 0 to 80 cm, depending on the tidal phase). In addition, it has been shown that these snails climb twice as high when translocated to lower shore sites (dominated by Rhizophora mucronata), where C. decollata is missing and the high water can reach 1.6 m instead of about 80 cm as within the snail home environment. The study assesses the possible role of chemical cues in the afore-mentioned behaviours. The hypothesis that snails may foresee the periodical tide level variation thanks to airborne chemical cues, possibly released by trees or sediments, has been rejected. On the other hand, airborne chemical cues released by R. mucronata may play a role in inducing snails translocated to low shore sites to climb much higher than control, allowing them to avoid submersion. (C) 2017 Elsevier Ltd. All rights reserved.
机译：印度洋-西太平洋红树林腹足纲Cerithidea decollat​​a在退潮时以地面为食，并在水到达前两个小时爬上树木（Avicennia marina），远远高于涨潮时到达潮汐的水平（从0到0）。 80厘米，具体取决于潮汐阶段）。此外，研究表明，这些蜗牛在转移到较低的海岸地点（由Rhizophora mucronata占优势）时爬高了两倍，那里缺少C. decollat​​a，高水位可以达到1.6 m，而不是蜗牛内的约80 cm。家庭环境。该研究评估了化学提示在上述行为中的可能作用。蜗牛可能由于树木或沉积物释放的空气中化学线索而预见到了潮汐水平周期性变化的假设已被拒绝。另一方面，由粘液鼠（R. mucronata）释放的空气传播的化学线索可能在促使蜗牛转移到低岸地点而比控制地爬高得多时发挥了作用，从而使它们避免了淹没。 （C）2017 Elsevier Ltd.保留所有权利。

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