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Afforestation and Reforestation: Drivers, Dynamics, and Impacts

Authors: --- --- --- --- et al.
ISBN: 9783039214471 9783039214488 Year: Pages: 194 DOI: 10.3390/books978-3-03921-448-8 Language: English
Publisher: MDPI - Multidisciplinary Digital Publishing Institute
Subject: Science (General) --- Biology --- Forestry
Added to DOAB on : 2019-12-09 11:49:15
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Abstract

Afforestation/reforestation (or forestation) has been implemented worldwide as an effective measure towards sustainable ecosystem services and addresses global environmental problems such as climate change. The conversion of grasslands, croplands, shrublands, or bare lands to forests can dramatically alter forest water, energy, and carbon cycles and, thus, ecosystem services (e.g., carbon sequestration, soil erosion control, and water quality improvement). Large-scale afforestation/reforestation is typically driven by policies and, in turn, can also have substantial socioeconomic impacts. To enable success, forestation endeavors require novel approaches that involve a series of complex processes and interdisciplinary sciences. For example, exotic or fast-growing tree species are often used to improve soil conditions of degraded lands or maximize productivity, and it often takes a long time to understand and quantify the consequences of such practices at watershed or regional scales. Maintaining the sustainability of man-made forests is becoming increasingly challenging under a changing environment and disturbance regime changes such as wildland fires, urbanization, drought, air pollution, climate change, and socioeconomic change. Therefore, this Special Issue focuses on case studies of the drivers, dynamics, and impacts of afforestation/reforestation at regional, national, or global scales. These new studies provide an update on the scientific advances related to forestation. This information is urgently needed by land managers and policy makers to better manage forest resources in today’s rapidly changing environments.

Disturbance Effects on Soil Carbon and Greenhouse Gas Emissions in Forest Ecosystems

Authors: ---
ISBN: 9783039286669 / 9783039286676 Year: Pages: 232 DOI: 10.3390/books978-3-03928-667-6 Language: eng
Publisher: MDPI - Multidisciplinary Digital Publishing Institute
Subject: Science (General) --- Biology --- Forestry
Added to DOAB on : 2020-06-09 16:38:57
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Abstract

Forest ecosystems are often disturbed by agents such as harvesting, fire, wind, insects and diseases, and acid deposition, with differing intensities and frequencies. Such disturbances can markedly affect the amount, form, and stability of soil organic carbon in, and the emission of greenhouse gases, including CO2, CH4, and N2O from, forest ecosystems. It is vitally important that we improve our understanding of the impact of different disturbance regimes on forest soil carbon dynamics and greenhouse gas emissions to guide our future research, forest management practices, and policy development. This Special Issue provides an important update on the disturbance effects on soil carbon and greenhouse gas emissions in forest ecosystems in different climate regions.

Keywords

carbon stock changes --- forest --- greenhouse gas inventory --- IPCC --- South Korea --- greenhouse gas emission --- soil respiration --- coastal wetlands --- anthropogenic effect --- CO2 production and diffusion --- soil properties --- CO2 emission --- surface soil layer --- forest soils --- autotrophic respiration --- heterotrophic respiration --- CO2 effluxes --- decomposition --- forest disturbance --- tree mortality --- storm damage --- insect outbreak --- land use types --- soil organic carbon --- soil total nitrogen --- N addition --- soil respiration --- microbe --- subtropical forest --- soil organic carbon --- soil microbial residue --- forest conversion --- natural forest --- assisted natural regeneration --- plantation --- CO2 --- CH4 --- N2O --- soil --- biochar --- sensitivity --- temperature --- stoichiometric ratios --- landform --- rocky desertification --- karst graben basin --- warming --- nitrogen --- greenhouse gas --- soil characteristics --- microbial properties --- soil quality --- successive planting --- generation --- stand age --- clear-cutting --- Larix principis-rupprechtii Mayr --- biochar --- Camellia oleifera --- DCD --- nitrification inhibitor --- nitrous oxide --- calcareous soil --- plum plantation ages --- organic carbon mineralization --- fitting parameters --- organic carbon accumulation --- karst graben basin --- land use pattern --- bacterial community --- next-generation sequencing --- subtropical forest --- calcareous soils --- red soils --- soil CO2 --- carbon source–sink --- CH4 emissions --- CO2 emissions --- climate change mitigation --- global change --- land-use change --- N2O emissions --- soil carbon sequestration

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