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Aquatic Insect Ecology
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An assessment of structural attributes and ecosystem function in restored Virginia coalfield streams
As human populations continue to grow, expanding energy needs enhance freshwater resource conservation challenges. Mining for coal has significantly altered the landscape in the United States’…
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Substrate limitation of sediment methane flux, methane oxidation and use of stable isotopes for assessing methanogenesis pathways in a small arctic lake
Among predicted impacts of climate change in the Arctic are greater thaw depth and shifts in vegetation patterns and hydrology that are likely to increase organic carbon and nutrient loading to…
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Effects of stream restoration and wastewater treatment plant effluent on fish communities in urban streams
Summary 1. Fish community characteristics, resource availability and resource use were assessed in three headwater urban streams in Piedmont North Carolina, U.S.A. Three site types were examined…
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Recent decrease in DOC concentrations in Arctic lakes of southwest Greenland
A key indicator of changes in the terrestrial carbon cycle is shifting dissolved organic carbon (DOC) concentrations in surface waters. Arctic permafrost holds twice as much C as the atmosphere, thus…
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Benthic secondary production in eight oligotrophic arctic Alaskan lakes
Abstract Across aquatic ecosystems, benthic secondary production generally is thought to be limited by autochthonous primary production. We estimated secondary production in 8 oligotrophic arctic…
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The Arctic in the Twenty-First Century: Changing Biogeochemical Linkages across a Paraglacial Landscape of Greenland
TLDR
It is highlighted the importance of cross‐system subsidies at the landscape scale and, importantly, how these might change in the near future as the Arctic is expected to continue to warm.
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A whole‐lake experiment confirms a small centric diatom species as an indicator of changing lake thermal structure
TLDR
The results confirm the use of D. stelligera as an indicator of changing lake thermal structure, and suggest that the broader application of this tool to lake sediment records will yield greater insight into longer-term variability in the response of lake ecosystems to climate.
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Thermal stratification in small arctic lakes of southwest Greenland affected by water transparency and epilimnetic temperatures
We assessed which factors control summer epilimnion thickness in arctic lakes of southwest Greenland. A suite of 22 lakes that thermally stratify was measured in the summer of 2013; a sub‐set of…
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Microbial nutrient limitation in Arctic lakes in a permafrost landscape of southwest Greenland
Abstract. Permafrost is degrading across regions of the Arctic, which can lead to increases in nutrient concentrations in surface freshwaters. The oligotrophic state of many Arctic lakes suggests…
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