Seasonal/Interannual Variations of Carbon Sequestration and Carbon Emission in a Warm-Season Perennial Grassland

<table class="table-group" id="tab1"><tr><td><table class="table"><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr class="thead"><td align="left" rowspan="2">
                  Year</td><td align="center" colspan="3">Carbon emission from soil (g C m<sup>−2</sup>)</td></tr><tr class="thead"><td align="center">Growing season</td><td align="center">Nongrowing season</td><td align="center">Annual emission</td></tr><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr><td align="left">2007</td><td align="center">1082</td><td align="center">366</td><td align="center">1448</td></tr><tr><td align="left">2008</td><td align="center">1134</td><td align="center">366</td><td align="center">1500</td></tr><tr><td align="left">2009</td><td align="center">1090</td><td align="center">369</td><td align="center">1459</td></tr><tr><td align="left">2010</td><td align="center">1187</td><td align="center">357</td><td align="center">1544</td></tr><tr><td align="left">Average (2007–2010)</td><td align="center"><b>1123</b></td><td align="center"><b>364</b></td><td align="center"><b>1488</b></td></tr><tr class="table-tr"><td colspan="4"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

Estimation of soil carbon emission (g C m<sup>−2</sup>) in 2007, 2008, 2009, and 2010 during the period of growing season, nongrowing season, and annual emission of the grassland.

Journal of Ecosystems

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Table 1

Table 1: Seasonal/Interannual Variations of Carbon Sequestration and Carbon Emission in a Warm-Season Perennial Grassland 