Effects of previous nitrogen addition on chlorine in forest soil, soil solution and biomass

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Effects of previous nitrogen addition on chlorine in forest soil, soil solution and biomass

There is increasing evidence that forests and forest soil contribute to the signature of chlorine composition in water bodies. However, little is known about the potential effects of land management activities on chlorine biogeochemistry. This study examines the effects of previous nitrogen addition on chlorine chemistry in a Pinus sylvestris (L.) forest located in south-central Sweden (60°00 ...

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Effects of Soil Warming and Nitrogen Addition on Soil Respiration in a New Zealand Tussock Grassland

Soil respiration (RS) represents a large terrestrial source of CO2 to the atmosphere. Global change drivers such as climate warming and nitrogen deposition are expected to alter the terrestrial carbon cycle with likely consequences for RS and its components, autotrophic (RA) and heterotrophic respiration (RH). Here we investigate the impacts of a 3°C soil warming treatment and a 50 kg ha(-1) y(...

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Forest Management Effects on Surface Soil Carbon and Nitrogen Jennifer

Changes in surface soil C and N can resuh from forest management practices and may provide an index of impacts on long-term site productivity. Soil C and N were measured over time for five watersheds in the southern Appalachians: two aggrading hardwood forests, one southand one north-facing, undisturbed since the 1920s; a white pine (Pinus strobus L.) plantation planted in 1956; and two regener...

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The availabilities of carbon (C) and nitrogen (N) in soil play an important role in soil carbon dioxide (CO2) emission. However, the variation in the soil respiration (Rs) and response of microbial community to the combined changes in belowground C and N inputs in forest ecosystems are not yet fully understood. Stem girdling and N addition were performed in this study to evaluate the effects of...

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ژورنال

عنوان ژورنال: Biogeochemistry

سال: 2013

ISSN: 0168-2563,1573-515X

DOI: 10.1007/s10533-013-9888-3