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首页> 外文期刊>Belgian Journal of Zoology >Differences in field behavior between native gastropods and the fast-spreading invader Anion lusitanicus auct. non MABILLE
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Differences in field behavior between native gastropods and the fast-spreading invader Anion lusitanicus auct. non MABILLE

机译：天然腹足动​​物和快速传播的入侵者负离子芦笋之间田间行为的差异。非马布里

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摘要

Dispersal is a crucial process for population exchange and expansion, and traits that facilitate dispersal may be positively selected during biological invasions. Here, we performed a basic study on differences in behavior between the slug Anion lusitanicus auct. non MABILLE, 1868 (Gastropoda: Pulmonata), which is considered to be one of the 100 worst invasive species in Europe, and native gastropods. We assumed that the species is more active and less sensitive to otherwise aversive stimuli, and thus more likely to utilize novel environments. We quantified field densities and performed pitfall trap studies in 15 differently-structured habitats (urban, grassland, succession, riverine forest) in the floodplain of the LTER (Long Term Ecological Research) site 'Rhine-Main-Observatory' in Hesse, Germany. Here, A. lusitanicus was naturalized and scored 15 in terms of abundance rank, but was the dominant species in terms of trappability with the acidic Renner solution. A more detailed approach with a set of different baits showed that individuals of the invader were attracted to the acidic Renner solution, mustard oil, and garlic extract, all of which the native snails and slugs avoided. The results support the hypothesis that the invasive slug differs from other gastropods in its behavioral response to unusual, novel stimuli that may indicate some potential threat to other gastropod species. Future studies are needed to show if this behavior is related to personality traits such as exploration, boldness and risk-taking, and if it may have been positively selected in the context of the slug being passively spread in severely-transformed habitats such as gardens and greenhouses.
机译：扩散是种群交换和扩展的关键过程，在生物入侵过程中可以积极选择有助于扩散的性状。在这里，我们进行了基础研究study之间的行为差​​异。 1868年非马比勒（Gastropoda：Pulmonata），它被认为是欧洲100种最严重的入侵物种之一，也是原生腹足动物。我们认为该物种对其他刺激性刺激更为活跃，敏感性较低，因此更有可能利用新环境。我们在德国黑森州LTER（长期生态研究）站点“莱茵-美因天文台”的洪泛区中，对15个结构不同的栖息地（城市，草原，演替，河流森林）进行了田间密度定量研究，并进行了陷阱陷阱研究。在这里，A。lusitanicus被归化并在丰度等级上获得了15分，但就酸性Renner溶液的可捕获性而言，它是优势种。使用一组不同诱饵的更详细方法显示，入侵者的个体被酸性的Renner溶液，芥末油和大蒜提取物所吸引，而所有这些蜗牛和the均被避免。该结果支持以下假设：侵入性对其他异常的新颖刺激的行为反应与其他腹足类动物不同，这可能表明对其他腹足类动物有潜在威胁。需要进行进一步的研究，以证明这种行为是否与探索，大胆和冒险等人格特征有关，以及是否可能在the虫在经过严重改造的栖息地（例如花园和花园）中被动传播的情况下对其进行了积极选择。温室。

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