Carbon sequestration and storage implications of three forest management regimes in the Wabanaki-Acadian Forest: A review of the evidence

IF 5.7 3区 环境科学与生态学 Q1 Environmental Science Environmental Reviews Pub Date : 2023-10-11 DOI:10.1139/er-2022-0097
Emma Cox, Thomas M. Beckley, Megan de Graaf
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Abstract

Forests contain substantial carbon stores, including above and below ground, living and non-living biomass. Different management regimes produce different outcomes related to stored and sequestered carbon in forests. The geographic focus of this paper is the Wabanaki-Acadian Forest of the Maritime Provinces of Canada (New Brunswick, Nova Scotia, and Prince Edward Island). This manuscript reviews literature to evaluate the carbon impacts of (1) intensive forest management for fiber products, (2) unharvested (or conservation) forest, and (3) climate-focused, ecological forestry. Each of these forest management strategies and concomitant silviculture regimes sequester and store carbon at varying rates and across different carbon pools in the forest. The literature suggests that unharvested (conservation) forests store and sequester the most carbon, and traditional, intensive fiber management stores and sequesters the least. Ecological forestry may provide the best balance between carbon sequestration and storage and climate adaptability, while also allowing for the provision of some timber/fibre products. This paper also discusses the co-benefits offered by forests under each of the three management regimes. New research, in general and in the region, needs to examine further below-ground carbon dynamics in soil as most efforts to document carbon focuses on above ground carbon pools.
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Wabanaki-Acadian森林三种森林管理制度对碳汇和碳储量的影响:证据综述
森林含有大量的碳储量,包括地上和地下、生物和非生物生物量。不同的管理制度在森林碳储存和固存方面产生不同的结果。本文的地理重点是加拿大沿海省份(新不伦瑞克省、新斯科舍省和爱德华王子岛)的Wabanaki-Acadian森林。本文通过文献综述来评估以下三个方面的碳影响:(1)纤维产品集约化森林经营;(2)未采伐(或保护)森林;(3)以气候为中心的生态林业。每一种森林管理策略和伴随的造林制度都以不同的速率和在森林中不同的碳库中吸收和储存碳。文献表明,未采伐的(保护)森林储存和封存的碳最多,而传统的集约化纤维管理储存和封存的碳最少。生态林业可以在碳封存和储存与气候适应性之间提供最佳平衡,同时也允许提供一些木材/纤维产品。本文还讨论了三种管理制度下森林所提供的共同效益。总的来说,在该地区,新的研究需要进一步研究土壤中的地下碳动态,因为大多数记录碳的努力都集中在地上的碳库上。
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来源期刊
Environmental Reviews
Environmental Reviews ENVIRONMENTAL SCIENCES-
CiteScore
9.80
自引率
3.50%
发文量
45
审稿时长
>12 weeks
期刊介绍: Published since 1993, Environmental Reviews is a quarterly journal that presents authoritative literature reviews on a wide range of environmental science and associated environmental studies topics, with emphasis on the effects on and response of both natural and manmade ecosystems to anthropogenic stress. The authorship and scope are international, with critical literature reviews submitted and invited on such topics as sustainability, water supply management, climate change, harvesting impacts, acid rain, pesticide use, lake acidification, air and marine pollution, oil and gas development, biological control, food chain biomagnification, rehabilitation of polluted aquatic systems, erosion, forestry, bio-indicators of environmental stress, conservation of biodiversity, and many other environmental issues.
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