Helophyte impacts on the response of hyporheic invertebrate communities to inundation events in intermittent streams
Helophyte impacts on the response of hyporheic invertebrate communities to inundation events in intermittent streams
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DOI：
10.1002/eco.1857
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发表时间：
2017-09-01
期刊：
影响因子：
2.6
通讯作者：
Krause, Stefan
中科院分区：
文献类型：
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作者：
Baranov, Viktor;Milosevic, Djuradj;Krause, Stefan
以处理后的污水为人工水槽，研究了淹没对人工水槽中无脊椎动物群落的影响。水槽，旨在模拟间歇性的河流条件下，种植了3种广泛用于河流恢复周围的欧洲缺水地区的沼生植物。不同种类的植被降低无脊椎动物对淹没的负反应能力不同，主要与根际密度有关。在3种供试的植物中，只有1种植物，普通过路黄，表现出显着的能力，以减少无脊椎动物的负面反应。无脊椎动物的物种丰富度在淹没前后没有变化的任何水槽，而物种密度显着下降，在所有水槽中，除了一个种植L。普通的这与高密度的蚊幼虫（常见的蚊子），这对该地区的河流恢复和病媒管理有着严重的影响。这项研究表明，不同的苔藓植物物种的选择和建立将影响无脊椎动物群落恢复流，特别是流经历可变的淹没条件。
The effects of experimental inundation on invertebrate communities in artificial flumes fed with treated wastewater were investigated. Flumes, designed to simulate intermittent river conditions, were planted with 3 species of helophytes widely used in river restoration around the waterstressed regions of Europe. Different species of vegetation had different capabilities to reduce the invertebrate's negative reaction to inundation, related mostly to rhizosphere density. Of the 3 helophyte species tested, only 1, Lysimachia vulgaris, showed significant capabilities to reduce invertebrate negative reaction on inundation. Species richness of invertebrates before and after the inundation did not change in any of the flumes, whereas species density significantly declined in all flumes except one planted with L. vulgaris. This helophyte species was associated with high densities of the Culicidae larvae (common mosquitos), which has severe implications for river restoration and vector management in the region. This study indicates that the selection and establishment of different helophyte species will impact invertebrate communities in restored streams, especially streams experiencing variable inundation conditions.