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DOI10.1016/j.foreco.2020.118273
Seed regeneration of sweet chestnut (Castanea sativa Miller) under different coppicing approaches
Marcolin E.; Manetti M.C.; Pelleri F.; Conedera M.; Pezzatti G.B.; Lingua E.; Pividori M.
发表日期2020
ISSN0378-1127
卷号472
英文摘要The management of Italian chestnut coppices has gradually been suspended after World War II, causing a widespread overaging of the concerned stands. In recent years, the renewed interest in coppice wood products increased the need of a solid knowledge on the most suitable restoration practices of overaged coppices. In this context, a key issue is assuring a qualitative and abundant seed regeneration of the chestnut tree (Castanea sativa Miller) in order to substitute overaged stools. Open questions still exist however on the role of the standards (trees released after coppicing) and, in particular, on their interaction with the post-coppicing establishment of seed regeneration. In order to clarify these aspects, we applied different coppicing systems in overaged chestnut coppices so as to create a gradient of residual coverage ranging from full coverage left (no intervention) to simple coppicing (all trees cut, no standards released). The impact of different treatments on chestnut regeneration has been then assessed through field surveys in the second and fifth year post-coppicing, respectively. Chestnut seed regeneration promptly and abundantly established to guarantee the replacement of dead stools also in the simple coppicing. The post-coppicing pulse of chestnut seed regeneration mostly originated from the existing annual seed bank and it was concentrated in the first two years after the intervention, whereas seed inputs by standards or by adult trees at the forest edge played a secondary or negligible role from the third post-coppicing year onwards. Thus, the presence of standards did not benefit regeneration. Rather, it displayed a marked depressive effect on the growth rate of young chestnut seedlings and, under significant shading conditions, enhanced the establishment of shade-tolerant tree species. From a silvicultural point of view, simple coppicing of overaged chestnut coppices represents a valuable management option combining a rapid establishment of natural seed regeneration of chestnut with the resprout and development of the most vigorous stools. © 2020 Elsevier B.V.
关键词FruitsHarvestingMilitary operationsCastanea sativaDifferent treatmentsField surveysManagement optionsRestoration practicesSeed regenerationsShade tolerant tree speciesWorld war IIReforestationcoppiceforest edgeforest managementgrowth ratelegumeregenerationseedseed bankseedlingshade toleranceCastaneaFruitsHarvestingManagementReforestationSeedlingsStandardsTreesCastanea sativa
语种英语
来源机构Forest Ecology and Management
文献类型期刊论文
条目标识符http://gcip.llas.ac.cn/handle/2XKMVOVA/132730
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GB/T 7714
Marcolin E.,Manetti M.C.,Pelleri F.,et al. Seed regeneration of sweet chestnut (Castanea sativa Miller) under different coppicing approaches[J]. Forest Ecology and Management,2020,472.
APA Marcolin E..,Manetti M.C..,Pelleri F..,Conedera M..,Pezzatti G.B..,...&Pividori M..(2020).Seed regeneration of sweet chestnut (Castanea sativa Miller) under different coppicing approaches.,472.
MLA Marcolin E.,et al."Seed regeneration of sweet chestnut (Castanea sativa Miller) under different coppicing approaches".472(2020).
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