Kinetics of Microbial Respiration and Nitrogen Mineralization in Great Lakes Forests
نویسندگان
چکیده
منابع مشابه
Temperature Effects on Kinetics of Microbial Respiration and Net Nitrogen and Sulfur Mineralization
Global climate change may impact the cycling of C, N, and S in forest ecosystems because increased soil temperatures could alter rates of microbially mediated processes. We studied the effects of temperature on microbial respiration and net N and S mineralization in surface soils from four northern hardwood forests in the Great Lakes region. Soil samples were incubated in the laboratory at five...
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Past land use can impart soil legacies that have important implications for ecosystem function. Although these legacies have been linked with microbially mediated processes, little is known about the long-term influence of land use on soil microbial communities themselves. We examined whether historical land use affected soil microbial community composition (lipid profiles) and whether communit...
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The variability in the net ecosystem exchange of carbon (NEE) is a major source of uncertainty in quantifying global carbon budget and atmospheric CO2. Soil respiration, which is a large component of NEE, could be strongly influential to NEE variability. Vegetation type, landscape position, and site history can influence soil properties and therefore drive themicrobial and root production of so...
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Estimation of seasonal N availability via a soil test has proved difficult. This information gap has lead to fertilizer recommendations based upon soil inorganic N levels found before planting and or preside dress. Complicating matters, as famers adopt new irrigation technologies, the results from older fertilizer rate trails may also be less applicable. In general, most when not all recommenda...
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This document provides a summary of recent materials developed for the International Joint Commission (IJC) on waterborne microbial pathogens in the Great Lakes region. These materials include reports to the Scientific Advisory Board on waterborne pathogens as well as four white papers that discuss societal influences on microbial pathogens, monitoring of pathogens, and management tools. Althou...
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ژورنال
عنوان ژورنال: Soil Science Society of America Journal
سال: 1993
ISSN: 0361-5995
DOI: 10.2136/sssaj1993.03615995005700040037x