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首页> 外文期刊>Limnologica >Perennial phenology patterns and ecological traits of Dixidae (Insecta, Diptera) in lotic habitats of a barrage lake system
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Perennial phenology patterns and ecological traits of Dixidae (Insecta, Diptera) in lotic habitats of a barrage lake system

机译：诸如轰隆湖系统巨乳栖息地的Dixidae（Inseta，Diptera）的多年生候选模式和生态特征

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Dixidae (Insecta, Diptera) are an interesting ecological component in freshwater ecosystems. They are merolimnic insects with larvae and pupae living in aquatic habitats while adults live in terrestrial habitats in close proximity to water. The goals of this study were to determine the phenology patterns of Dixidae and what influences them, to analyse their preference for microhabitats, and to determine the main ecological factors that have an influence on the composition of Dixidae. Adult Dixidae were collected monthly in the period from 2007 to 2008 at 10 sites, from 2009 to 2010 at four sites, and from 2011 to 2014 at three sites in the Plitvice Lakes National Park. Adult specimens were collected using pyramid-type emergence traps. A total of 1271 Dixidae were collected during eight years of study belonging to five species of the genus Dixa. Dixa submaculata was most abundant species at the spring and upper reach of Bijela rijeka Stream and the upper reach of Crna rijeka Stream. Dixa nebulosa was most numerous at the Kozjak-Milanovac tufa barrier site. Dixa puberula was the dominant species at the rest of the sites. Dixa puberula and Dixa submaculata were univoltine, bivoltine or trivoltine, depending on the site, while Dixa nebulosa was only univoltine. The highest diversity was recorded at the tufa barrier Kozjak-Milanovac, and the highest number of species, four species, was found at the upper reach of the Crna rijeka Stream. The greatest number of specimens was recorded at the Labudovac tufa barrier, 128 specimens in 2014. Water temperature is the main ecological factor that influences the phenology of Dixidae at the tufa barriers and lower streams. Discharge affected the abundance of Dixidae. Dixa puberula prefers moss as a substrate and a faster water velocity.
机译：Dixidae（Inseta，Diptera）是淡水生态系统中有趣的生态成分。他们是幼虫和蛹生活在水生栖息地的昆虫，而成年人居住在陆地栖息地，靠近水。本研究的目标是确定Dixidae的候选模式以及影响它们的东西，分析它们对微藻的偏好，并确定对Dixidae组成有影响的主要生态因素。成年人在2009年至2008年在10个地点每月收集成年人，从2009年到2010年，在四个地点，2011年到2014年，在Plitvice Lakes国家公园的三个地点。使用金字塔型出苗陷阱收集成年标本。在八年的研究中，共收集了1271次迪克西，属于五种迪克萨属的五种。 Dixa Submaculata在Bijela Rijeka Stream的春季和上部距离以及Crna里耶卡溪流的上部距离之遥上是最丰富的物种。 Dixa Nebulosa在Kozjak-Milanovac Tufa障碍场地最多。 Dixa Puberula是其余地区的主要物种。 Dixa Puberula和Dixa Submaculata是Univoline，Bivoltine或Trivoline，取决于网站，而Dixa Nebulosa只是Univoline。在Tufa障碍Kozjak-Milanovac中记录了最高的多样性，并且在CrNA里耶卡流的上部到达时发现了最多的物种数量四种物种。最多的标本在Labudovac Tufa屏障中记录了128次标本。水温是影响Dixidae在Tufa屏障和较低流中的主要生态因素。放电影响了Dixidae的丰富。 Dixa Puberula更喜欢苔藓作为基材和更快的水速度。

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