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Assessing Forest Ecosystems across the Vertical Edge of the Mid-Latitude Ecotone Using the BioGeoChemistry Management Model (BGC-MAN)

Authors
Song, CholhoPietsch, Stephan A.Kim, MoonilCha, SungeunPark, EunbeenShvidenko, AnatolySchepaschenko, DmitryKraxner, FlorianLee, Woo-Kyun
Issue Date
6월-2019
Publisher
MDPI
Keywords
net primary productivity (NPP); growing stock volume (GSV); Mid-Latitude Ecotone (MLE); BioGeoChemistry Management Model (BGC-MAN); process-based ecosystem model
Citation
FORESTS, v.10, no.6
Indexed
SCIE
SCOPUS
Journal Title
FORESTS
Volume
10
Number
6
URI
https://scholar.korea.ac.kr/handle/2021.sw.korea/65219
DOI
10.3390/f10060523
ISSN
1999-4907
Abstract
The mid-latitude ecotone (MLE)-a transition zone between boreal and temperate forests, which includes the regions of Northeast Asia around 30 degrees -60 degrees N latitudes-delivers different ecosystem functions depending on different management activities. In this study, we assessed forest volume and net primary productivity changes in the MLE of Northeast Asia under different ecological characteristics, as well as various current management activities, using the BioGeoChemistry Management Model (BGC-MAN). We selected five pilot sites for pine (Scots pine and Korean red pine; Pinus sylvestris and P. densiflora), oak (Quercus spp.), and larch forests (Dahurian larch and Siberian larch; Larix gmelinii and L. sibirica), respectively, which covered the transition zone across the MLE from Lake Baikal, Russia to Kyushu, Japan, including Mongolia, Northeast China, and the Korean Peninsula. With site-specific information, soil characteristics, and management descriptions by forest species, we established their management characteristics as natural preserved forests, degraded forests, sandy and cold forest stands, and forests exposed to fires. We simulated forest volume (m(3)) and net primary productivity (Mg C ha(-1)) during 1960-2005 and compared the results with published literature. They were in the range of those specified in previous studies, with some site-levels under or over estimation, but unbiased estimates in their mean values for pine, oak, and larch forests. Annual rates of change in volume and net primary productivity differed by latitude, site conditions, and climatic characteristics. For larch forests, we identified a high mountain ecotype which warrants a separate model parameterization. We detected changes in forest ecosystems, explaining ecological transition in the Northeast Asian MLE. Under the transition, we need to resolve expected problems through appropriate forest management and social efforts.
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생명과학대학 (환경생태공학부)
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