Long-term influence of alternative forest management treatments on total ecosystem and wood product carbon storage
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Canadian Journal of Forest Research
Developing strategies for reducing atmospheric CO2 is one of the foremost challenges facing natural resource professionals today. The goal of this study was to evaluate total ecosystem and harvested wood product carbon (C) stocks among alternative forest management treatments (selection cutting, shelterwood cutting, commercial clearcutting, and no management) in mixed-species stands in central Maine, USA. These treatments were initiated in the 1950s and have been maintained since, and ecosystem C pools were measured in 2012. When compared across managed treatments, the commercial clearcut had the lowest total ecosystem C stocks by 21%, on average (P < 0.05), while the selection and shelterwood treatments had similar total ecosystem C stocks. Including the C stored in harvested wood products did not influence observed differences in C storage among treatments. Total ecosystem C stocks in the reference stand were 247.0 ± 17.7 Mg•ha−1 (mean ± SD) compared with 161.7 ± 31.3 Mg•ha−1 in the managed stands (171.2 ± 31.7 Mg•ha−1 with products C). This study highlights the impacts of long-term forest management treatments on C storage and indicates that the timing of harvests and the species and sizes of trees removed influence C stored in harvested wood products.
Puhlick, Joshua J.; Weiskittel, Aaron R.; Fernandez, Ivan J.; Fraver, Shawn; Kenefic, Laura S.; Seymour, Robert S.; Kolka, Randall K.; Rustad, Lindsey E.; Brissette, John C. 2016. Long-term influence of alternative forest management treatments on total ecosystem and wood product carbon storage. Canadian Journal of Forest Research. 46(11): 1404-1412. https://doi.org/10.1139/cjfr-2016-0193.