DOI: 10.1016/j.foreco.2014.06.011
Scopus记录号: 2-s2.0-84903754937
论文题名: Four-year response of underplanted American chestnut (Castanea dentata) and three competitors to midstory removal, root trenching, and weeding treatments in an oak-hickory forest
作者: Belair E.D. ; Saunders M.R. ; Bailey B.G.
刊名: Forest Ecology and Management
ISSN: 0378-1127
出版年: 2014
卷: 329 起始页码: 21
结束页码: 29
语种: 英语
英文关键词: American chestnut
; Forest restoration
; Midstory removal
; Oak
; Reintroduction
; Underplanting
Scopus关键词: Conservation
; Forestry
; Restoration
; Seed
; American chestnut
; Forest restoration
; Oak
; Reintroduction
; Underplanting
; Fruits
; deciduous tree
; disease resistance
; growth rate
; host-pathogen interaction
; mixed forest
; reforestation
; restoration ecology
; survival
; weed
; Castanea
; Conservation
; Forests
; Fruits
; Quercus
; Restoration
; Seeds
; North America
英文摘要: American chestnut (Castanea dentata) has been killed or reduced to recurrent stump sprouts throughout its range following the importation of multiple pathogens in the 19th and early 20th centuries. Understanding what drives chestnut growth and survival would aid the development of appropriate silvicultural guidelines for restoring the species once blight resistant stock is available. Here we compare the response of planted American and hybrid chestnut seedlings to that of important competitors, northern red oak (Quercus rubra), sugar maple (Acer saccharum) and red maple (A. rubrum), under treatments designed to evaluate the effects of various sources of competition on seedling growth and survival. After four years, American and hybrid chestnut was significantly taller in trenched plots (181.8 ± 12.4. cm; mean ± SE) compared to untrenched plots (127.5 ± 7.9. cm), weeded plots (174.5 ± 12.7. cm) compared to unweeded plots (130.1 ± 6.5. cm) and in midstory removal plots (156.6 ± 7.8) versus full canopy (88.8 ± 11.7. cm), and had outperformed the other species in most competitive environments. Chestnut was the only species to respond to every treatment with significant growth increases, displaying a notable ability to capture growing space when it became available. We suggest that American chestnut restoration may be more successful where early stand management provides chestnut a brief period of reduced competition. Specifically, midstory removal can increase survival and growth of underplanted American chestnut, and when combined with multi-stage shelterwood removals of the overstory and some amount of competition control, may constitute a viable restoration strategy for chestnut in many of the eastern oak-hickory forests where it was originally dominant. © 2014 Elsevier B.V. Citation statistics:
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/65797
Appears in Collections: 影响、适应和脆弱性
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作者单位: Department of Forestry and Natural Resources, Purdue University, 715 State Street, West Lafayette, IN 47906, United States; Washington State Department of Natural Resources, 919 N Township Street, Sedro Woolley, WA 98284, United States
Recommended Citation:
Belair E.D.,Saunders M.R.,Bailey B.G.. Four-year response of underplanted American chestnut (Castanea dentata) and three competitors to midstory removal, root trenching, and weeding treatments in an oak-hickory forest[J]. Forest Ecology and Management,2014-01-01,329