GSTDTAP  > 气候变化
DOI10.1016/j.foreco.2016.11.029
Examining growth relationships in Quercus stands: An application of individual-tree models developed from long-term thinning experiments
Lhotka, John M.
2017-02-01
发表期刊FOREST ECOLOGY AND MANAGEMENT
ISSN0378-1127
EISSN1872-7042
出版年2017
卷号385
文章类型Article
语种英语
国家USA
英文摘要

This manuscript seeks to further the understanding of growth patterns in Quercus forests, thereby informing the development of appropriate thinning practice. The author leveraged a network of thinning experiments established by the US Forest Service more than 50 years ago. Individual-tree diameter growth and survival models were developed along with a simulation framework to evaluate the relationship between stand stocking and 20-year basal area and volume growth. Models predicting five-year diameter growth and survival of individual trees included variables representing tree size, competitive position, stand density, and/or site quality. Model evaluation focused on the collective accuracy and cumulative error propagation of the individual-tree models through four, five-year growth cycles. Through a series of stand density simulations in white oak (Quercus alba L.) dominated forest structures representing four mid rotation age conditions, it was found that stand basal area and total volume growth followed a unimodal pattern culminating at 50-60% stocking. Sawtimber volume growth was more sensitive to initial stand age, and the stocking level where it peaked increased with increasing age. The study not only helps to define relationships for Quercus stands of the Central Hardwood Forest Regiori, USA, but it also adds to the limited body of research quantifying individual-tree and stand growth relationships within mixed species broadleaf forest types. (C) 2016 Elsevier B.V. All rights reserved.


英文关键词Diameter growth Survival Density-growth relationships Stand stocking Quercus
领域气候变化
收录类别SCI-E
WOS记录号WOS:000392680800008
WOS关键词FAGUS-SYLVATICA L. ; AREA INCREMENT MODEL ; RED MAPLE ; PURE STANDS ; DIAMETER GROWTH ; DOUGLAS-FIR ; PICEA-ABIES ; OAK FORESTS ; SCOTS PINE ; MORTALITY
WOS类目Forestry
WOS研究方向Forestry
引用统计
文献类型期刊论文
条目标识符http://119.78.100.173/C666/handle/2XK7JSWQ/23318
专题气候变化
作者单位Univ Kentucky, Dept Forestry, 210 TP Cooper Bldg, Lexington, KY 40546 USA
推荐引用方式
GB/T 7714
Lhotka, John M.. Examining growth relationships in Quercus stands: An application of individual-tree models developed from long-term thinning experiments[J]. FOREST ECOLOGY AND MANAGEMENT,2017,385.
APA Lhotka, John M..(2017).Examining growth relationships in Quercus stands: An application of individual-tree models developed from long-term thinning experiments.FOREST ECOLOGY AND MANAGEMENT,385.
MLA Lhotka, John M.."Examining growth relationships in Quercus stands: An application of individual-tree models developed from long-term thinning experiments".FOREST ECOLOGY AND MANAGEMENT 385(2017).
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