Evergreen Conifer Forests Temperate Boreal Ecosystems

Figure 15.4. Seasonal variation of net CO2 exchange of temperate, boreal, and alpine conifer forests. Also shown are the environmental and biological factors that affect the seasonal dynamics of CO2 exchange. VPD is vapor pressure deficit. Data sources: Goulden et al. (1996); Jarvis et al. (1997); Lindroth et al. (1998); Anthoni et al. (2002); Hollinger et al. (1999); Goldstein et al. (2000); Berbigier et al. (2001); Markkanen et al. (2001); Dolman et al. (2002); Monson et al. (2002); Hui et al. (2003).

Figure 15.4. Seasonal variation of net CO2 exchange of temperate, boreal, and alpine conifer forests. Also shown are the environmental and biological factors that affect the seasonal dynamics of CO2 exchange. VPD is vapor pressure deficit. Data sources: Goulden et al. (1996); Jarvis et al. (1997); Lindroth et al. (1998); Anthoni et al. (2002); Hollinger et al. (1999); Goldstein et al. (2000); Berbigier et al. (2001); Markkanen et al. (2001); Dolman et al. (2002); Monson et al. (2002); Hui et al. (2003).

of carbon pools of northern European forests. Since carbon storage increases with decreasing temperature, any disturbance has the potential to release pools of previously stored carbon and produce relatively low values of NEE (Valentini et al. 2000).

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