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Growing Industries Growing Invasions? The Case of the Argentine Ant in Vineyards of Northern Argentina

机译:不断发展的产业不断增长的入侵?阿根廷北部葡萄园中的阿根廷蚂蚁案

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摘要

The invasive Argentine ant causes ecological and economic damage worldwide. In 2011, this species was reported in vineyards of Cafayate, a wine-producing town in the Andes, Argentina. While the local xeric climate is unsuitable for Argentine ants, populations could establish in association with vineyards where human activity and irrigation facilitate propagule introduction and survival. In 2013–2014, we combined extensive sampling of the area using ant-baits with monitoring of the change in land use and vineyard cultivated area over the past 15 years. Our results revealed that the species has thus far remained confined to a relatively isolated small area, owing to an effective barrier of dry shrublands surrounding the infested vineyards; yet the recent expansion of vineyard acreage in this region will soon connect this encapsulated area with the rest of the valley. When this happens, vulnerable ecosystems and the main local industry will be put at risk. This case provides a rare opportunity to study early invasion dynamics and reports, to the best of our knowledge, for the first time, the Argentine ant in high altitude agroecosystems.
机译:入侵性阿根廷蚂蚁在全球范围内造成生态和经济损失。 2011年,在阿根廷安第斯山脉的葡萄酒产地卡法亚特(Cafayate)的葡萄园中报告了该物种。虽然当地的干旱气候不适合阿根廷蚂蚁,但人们可以与葡萄园建立联系,在葡萄园中人类活动和灌溉有助于繁殖体的繁殖和生存。在2013–2014年,我们结合了使用蚂蚁诱饵对该地区进行的广泛采样以及对过去15年中土地利用和葡萄园耕地面积变化的监测。我们的研究结果表明,由于对出没的葡萄园周围的灌木丛进行有效隔离,该物种迄今仍被限制在相对孤立的小区域内。然而,最近该地区葡萄园面积的扩大将很快将这个封闭的地区与山谷的其余部分联系起来。发生这种情况时,脆弱的生态系统和当地主要产业将面临风险。据我们所知,这种情况为首次研究高空农业生态系统中的阿根廷蚂蚁提供了难得的机会,可以研究早期入侵动态并报告。

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