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This dataset contains taxonomic information, counts, and lengths of macroinvertebrates collected from rivers in northwest Alaska using drift and kick nets during summer and fall 2015-2019.
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These data were compiled from pitfall traps deployed at three sites, along a 25 kilometers (km) stretch of the Colorado River, immediately downstream of Glen Canyon Dam, in Glen Canyon National Recreation Area. Each site had both pre and post-dam riparian habitats present. The purpose of the sampling was to determine if arthropod abundance, diversity and feeding guilds differed between habitats. Sampling for ground-dwelling arthropods using pitfall traps occurred continuously between June 17 and September 9, 2009. The site numbering proceeds from Glen Canyon Dam to Lees Ferry. Transects were composed of 10 pitfall traps approximately 10 meters apart in a line parallel with the river in both zones (Upper riparian...


    map background search result map search result map Ground-dwelling arthropod composition, Colorado River, Grand Canyon, 2009—Data Macroinvertebrates from Rivers in Northwest Alaska, 2015-2019 Ground-dwelling arthropod composition, Colorado River, Grand Canyon, 2009—Data Macroinvertebrates from Rivers in Northwest Alaska, 2015-2019