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https://doi.org/10.1007/s10021-008-9198-0

has been cited by the following article:

• TITLE: Soil Carbon Dioxide Emission: Soil Respiration Measurement in Temperate Grassland, Nepal

  AUTHORS: Deepa Dhital, Suman Prajapati, Sanu Raja Maharjan, Hiroshi Koizumi

  KEYWORDS: Soil Respiration, Soil Temperature, Soil Water Content, Photosynthetic Photon Flux Density, Temperate Grassland

  JOURNAL NAME: Journal of Environmental Protection, Vol.10 No.2, February 19, 2019

  ABSTRACT: Soil carbon dioxide emission: soil respiration is representing a major contributor of accumulating carbon dioxide in the atmosphere that aids to accelerate global warming and altering the climate. Soil temperature, soil water content, sun light and vegetation are considered most common regulators of soil respiration variations in ecosystem. The soil respiration was measured in grassland intended to examine how the soil respiration changed with varying climatic factors, for two years (2015 and 2016) in temperate grassland of Annapurna Conservation Area (ACA), Nepal. In the study, soil temperature accounted exponential function of soil respiration variation at 42.9%, 19.1% and 23.3%, and temperature sensitivity of the soil respiration (Q10) obtained at 6.2, 1.4 and 1.8 in October 2015 and April 2016 and both the measurements were combined, respectively. Significant negative (R2 = 0.50, p 2 = 0.084, p 2 = 0.376, p 2 m-2 h-1 and in April 2016 it was 444.6 mg CO2 m-2 h-1. Above- and below-ground plant biomasses were obtained at 231.1 g d w m-2 and 1538.8 g d w m-2 in October, and at 449.9 g d w m-2 and 349.0 g d w m-2 in April, respectively. This study showed variation of soil respiration in relation to the factors such as soil temperature, soil water content and photosynthetic photon flux density signifying their importance in governing ecosystem function and carbon balance of the temperate grassland ecosystem.