气候变化领域集成服务门户(CCPortal): Recovery of understorey vegetation after stem-only and whole-tree harvesting in drained peatland forests

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DOI	10.1016/j.foreco.2019.04.002
	Recovery of understorey vegetation after stem-only and whole-tree harvesting in drained peatland forests
	Hamberg L.; Hotanen J.-P.; Nousiainen H.; Nieminen T.M.; Ukonmaanaho L.
发表日期	2019
ISSN	0378-1127
起始页码	124
结束页码	134
卷号	442
英文摘要	The demand for small-sized trees, logging residues, stumps, and lateral roots for energy production has increased during recent decades and therefore whole-tree harvesting (WTH) has become a more common harvesting method in forests. However, this may cause a more pronounced delay in the recovery of forest vegetation than conventional stem-only harvesting (SOH), especially in sensitive peatlands, and thus increase soil erosion. The effects of WTH have not been investigated on peatlands before this study. Recovery of understorey vegetation of drained peatland forests after two different tree harvesting methods, stem-only harvesting and whole-tree harvesting, was investigated in Eastern Finland at eight silviculturally managed peatland forests largely comprising Scots pine, Pinus sylvestris, and Norway spruce, Picea abies. In SOH, trunks only were removed from the sites whereas in WTH, tree trunks, branches, and stumps were removed. In each site, understorey vegetation (tree seedlings, dwarf shrubs, graminoids, herbs, and bryophytes) was inventoried on both mounded and unprepared soil (surfaces) on 220 permanent sample plots one and five years after harvesting. WTH had more pronounced effects on vegetation than SOH. Five to six years after the treatments, the occurrence of dwarf shrubs was lower in WTH than in SOH, whereas the cover of graminoids increased from both SOH and WTH. Soil preparation affected negatively on the recovery of peat and forest bryophytes, but positively on the recovery of some graminoid and herb species. Peat properties, e.g., pH and water table level, were found to regulate the recovery. WTH caused a longer delay on the recovery of understorey vegetation than SOH, especially if soil had been prepared. Thus, WTH cannot be recommended in drained peatland forests. © 2019
英文关键词	Clear-cutting; Energy wood harvest; Felling, mounding; Peat properties; Secondary succession
语种	英语
scopus关键词	Groundwater; Harvesting; Peat; Recovery; Soils; Vegetation; Wetlands; Energy productions; Energy wood; Felling, mounding; Harvesting methods; Permanent sample plots; Secondary succession; Understorey vegetation; Whole tree harvesting; Forestry; clearcutting; coniferous tree; forest ecosystem; forest management; herb; peat; peatland; plant community; secondary succession; silviculture; soil erosion; tree; understory; vegetation cover; Forestry; Harvesting; Peat; Plants; Recovery; Wetlands; Finland; bryophytes; Picea abies; Pinus sylvestris
来源期刊	Forest Ecology and Management
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/156018
作者单位	Natural Resources Institute Finland, Latokartanonkaari 9, Helsinki, FI-00790, Finland
推荐引用方式 GB/T 7714	Hamberg L.,Hotanen J.-P.,Nousiainen H.,et al. Recovery of understorey vegetation after stem-only and whole-tree harvesting in drained peatland forests[J],2019,442.
APA	Hamberg L.,Hotanen J.-P.,Nousiainen H.,Nieminen T.M.,&Ukonmaanaho L..(2019).Recovery of understorey vegetation after stem-only and whole-tree harvesting in drained peatland forests.Forest Ecology and Management,442.
MLA	Hamberg L.,et al."Recovery of understorey vegetation after stem-only and whole-tree harvesting in drained peatland forests".Forest Ecology and Management 442(2019).