Evaluation of projected carbon accumulation after implementing different forest management treatments in mixed-species stands in northern Maine

Autor: Joshua J. Puhlick, Aaron R. Weiskittel, Ivan J. Fernandez, Kevin A. Solarik, Darren J. H. Sleep
Jazyk: angličtina
Rok vydání: 2022
Předmět:
Zdroj: Carbon Management, Vol 13, Iss 1, Pp 190-204 (2022)
Druh dokumentu: article
ISSN: 1758-3004
1758-3012
17583004
DOI: 10.1080/17583004.2022.2063761
Popis: Comparing forest and harvested wood product carbon (C) stocks and accumulation among forest management treatments commonly applied in managed forests is needed to inform planning and policy decisions for C objectives. Therefore, pre- and post-harvest C stocks were quantified and C accumulation was projected over a 31-year period (to ∼2050) among forest management treatments that were applied on a subset (n = 3) of the Maine Adaptive Silviculture Network installations in northern Maine, USA. These installations included mature, second-growth forests composed of northern hardwood and hardwood-dominated mixedwood stands. Before treatments were initiated, average aboveground live tree C stocks ranged from 67.1 to 99.7 Mg ha−1. For the aboveground portions of live trees, dead wood and harvested wood products, the projected average annual net change in C (AAC) was 0.232 ± 1.164 Mg ha−1 year−1 (mean ± standard deviation). Models of projected AAC indicated that less biomass removal during harvests and greater representation of tree species with low tolerance of shade were associated with positive AAC values. The results emphasize the importance of leveraging multiple harvesting strategies to achieve C objectives, including consideration of forest reserves and using targeted yet operationally feasible silvicultural treatments that promote forest resilience relative to climate change.
Databáze: Directory of Open Access Journals
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