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Title: Soil respiration from four aggrading forested watersheds measured over a quarter century

Author: Coleman, David C.; Hunter, Mark D.; Hutton, John; Pomeroy, Steven; Swift, Lloyd Jr.;

Date: 2002

Source: Forest Ecology and Management 157 (2002) 247-253

Publication Series: Miscellaneous Publication

Description: Soil respiration was measured in four aggrading, forested second-growth watersheds in the southern Appalachians using an identical method (alkali absorption) at intervals 23 and 24 years apart. Seasonal trends were similar, with mid-summer maxima and winter minima. Amounts of carbon dioxide evolved were higher in the recent measurements (1995) compared to the earlier ones (1971-1972), despite similar soil water and temperature regimes. The overall trend across all four watersheds may reflect changes in organic matter levels and subsequent root growth.

Keywords: Soil respiration, Carbon balance, Soii organic matter, Aggrading ecosystems

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Citation:


Coleman, David C.; Hunter, Mark D.; Hutton, John; Pomeroy, Steven; Swift, Lloyd, Jr. 2002. Soil respiration from four aggrading forested watersheds measured over a quarter century. Forest Ecology and Management 157 (2002) 247-253

 


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