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Earthworms (Oligochaeta: Lumbricidae) of Interior Alaska

机译:阿拉斯加内部的(Oligochaeta:Lumbricidae)

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摘要

Earthworms in the family Lumbricidae in Alaska, which are known from coastal regions, primarily in south-central and south-eastern Alaska, are thought to be entirely non-native and have been shown to negatively impact previously earthworm-free ecosystems in study regions outside of Alaska. Despite occasional collections by curious citizens, there had not been a standardised earthworm survey performed in Interior Alaska and no published records exist of earthworms species from this region. Mustard extraction was used to sample six locations that differed in elevation, mostly in the College region of Fairbanks, Alaska. Two of the six locations yielded earthworms. There was no relationship between earthworm abundance and elevation (p = 0.087), although our sample size was small. Our sampling, combined with specimens in the University of Alaska Museum, has documented four exotic species and one presumed native species of lumbricid earthworms in Interior Alaska.
机译:阿拉斯加mb虫科的ka主要从阿拉斯加中南部和东南部沿海地区得知,被认为是完全非本地的,并且已被证明会对外部研究区域以前无earth的生态系统产生负面影响阿拉斯加尽管偶尔有好奇的市民收集collection,但在阿拉斯加内陆没有进行标准化的survey调查,也没有该地区earth物种的公开记录。芥末提取用于对六个海拔高度不同的地点进行采样,主要是在阿拉斯加的费尔班克斯大学地区。六个地点中有两个产生了.。尽管我们的样本量很小,但a的丰度与海拔之间没有任何关系(p = 0.087)。我们的采样与阿拉斯加大学博物馆的标本相结合,记录了阿拉斯加内陆地区的4种外来物种和1种假定的native类本地物种。

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