Diel Stream Temperature Effects on Nitrogen Cycling in Hyporheic Zones
نویسندگان
چکیده
منابع مشابه
New twist on nitrogen cycling in oceanic oxygen minimum zones.
L arge uncertainties in the future of Earth’s climate have intensified research on the global biogeochemical cycles on land and in the sea. The ocean ecosystem is critical in the carbon balance between the atmosphere and deep ocean, but also plays a large role in chemical and nutrient fluxes that maintain oceanic productivity and greenhouse gas fluxes to and from the atmosphere. Particularly re...
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The region of surface water–groundwater interaction in streams, the hyporheic zone, is important for biogeochemical processes and provides habitat for specialized microbial and invertebrate assemblages. Although hyporheic invertebrates contribute little biomass and respiration relative to microbes in stream sediments, invertebrate effects on biogeochemical processes may be disproportionately la...
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Background and aims Swedish boreal streams were modified to transport timber by pushing boulders to stream sides, creating levees that disconnected streams from riparian areas. Many streams have since been restored and our goal was to understand how this affects riparian nitrogen (N) cycling. Methods We compared the natural abundance of δN isotopes in foliage and roots of Filipendula ulmaria pl...
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1. A N-NH4 tracer release study was conducted in a macrophyte-rich stream, the River Lilleaa in Denmark. The objectives of the study were to compare uptake rates per unit area of NH4 by primary producers and consumers in macrophyte and non-macrophyte habitats, estimate wholestream uptake rates of NH4 and compare this to other stream types, and identify the pathways and estimate the rate at whic...
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ژورنال
عنوان ژورنال: Journal of Geophysical Research: Biogeosciences
سال: 2018
ISSN: 2169-8953,2169-8961
DOI: 10.1029/2018jg004412