Tree-ring analysis of red spruce timbers from the Moosilauke Ravine Lodge, White Mountains, New Hampshire

IF 1.1 4区 农林科学 Q3 FORESTRY Tree-Ring Research Pub Date : 2024-06-12 DOI:10.3959/trr2023-7
W. Wyatt Oswald, Laura E. Conkey, Daniel G. Gavin, Christine L. Goodale, Jed O. Kaplan
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Abstract

Historic harvesting and mortality from air pollution drastically reduced the abundance of red spruce (Picea rubens), a late-successional dominant of cool-temperate forests of the northeastern U.S. and southeastern Canada, leaving few opportunities to understand the natural growth and disturbance responses of this species. Timbers salvaged from the Moosilauke Ravine Lodge, a structure built from trees harvested in the late 1930s, provided an opportunity to reconstruct radial growth patterns and dynamics of a former old-growth red spruce stand located in Jobildunc Ravine on Mount Moosilauke in the White Mountains of New Hampshire. Ravine Lodge tree-ring series were compared with data from a 255-year-old red spruce found living in Jobildunc Ravine, from the Nancy Brook site in the White Mountains, and from other dendroecological studies across the region. Ring counts provide minimum tree ages of 187–286 years for timbers from Jobildunc Ravine, suggesting they established between the mid-Seventeenth and mid-Eighteenth Centuries. Dendroecological analyses identified early decades of suppression in the understory followed by 2–5 growth releases and 2–4 growth declines for each sample, indicating occasional, small-scale disturbances of the canopy before the 1930s. A growth decline in 1834–1835 coincides with an outbreak of spruce budworm (Choristoneura fumiferana) in eastern Canada, perhaps reflecting a regional defoliation event that occurred as far south as Mount Moosilauke. This study illustrates the insights that can be gained from wood from historic structures on the dynamics of now-scarce old-growth red spruce forests.

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对新罕布什尔州白山 Moosilauke Ravine Lodge 的红云杉木材进行树环分析
红云杉(Picea rubens)是美国东北部和加拿大东南部凉温带森林的晚演替优势树种,历史上的采伐和空气污染造成的死亡大大减少了红云杉的数量,因此很少有机会了解该树种的自然生长和干扰反应。Moosilauke Ravine Lodge 是用 20 世纪 30 年代末采伐的树木建造的建筑,从该建筑中打捞的木材为重建位于新罕布什尔州白山 Moosilauke 山 Jobildunc Ravine 的前古老红云杉林的径向生长模式和动态提供了机会。Ravine Lodge 树环系列与在 Jobildunc 峡谷发现的一棵 255 年树龄的红云杉的数据、白山南希布鲁克遗址的数据以及该地区其他树木生态学研究的数据进行了比较。年轮计数显示,Jobildunc 峡谷的木材最小树龄为 187-286 年,这表明它们是在十七世纪中叶至十八世纪中叶之间形成的。树枝生态学分析表明,在早期的几十年里,树下的生长受到抑制,随后每个样本都会有 2-5 次生长释放和 2-4 次生长衰退,这表明在 20 世纪 30 年代之前,树冠偶尔会受到小规模的干扰。1834-1835 年的生长衰退与云杉芽虫(Choristoneura fumiferana)在加拿大东部的爆发相吻合,这或许反映了远至 Moosilauke 山南部的区域性落叶事件。这项研究说明,从历史建筑的木材中可以深入了解现已稀少的古老红云杉林的动态。
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来源期刊
Tree-Ring Research
Tree-Ring Research 农林科学-林学
CiteScore
2.40
自引率
12.50%
发文量
15
审稿时长
>36 weeks
期刊介绍: Tree-Ring Research (TRR) is devoted to papers dealing with the growth rings of trees and the applications of tree-ring research in a wide variety of fields, including but not limited to archaeology, geology, ecology, hydrology, climatology, forestry, and botany. Papers involving research results, new techniques of data acquisition or analysis, and regional or subject-oriented reviews or syntheses are considered for publication. Scientific papers usually fall into two main categories. Articles should not exceed 5000 words, or approximately 20 double-spaced typewritten pages, including tables, references, and an abstract of 200 words or fewer. All manuscripts submitted as Articles are reviewed by at least two referees. Research Reports, which are usually reviewed by at least one outside referee, should not exceed 1500 words or include more than two figures. Research Reports address technical developments, describe well-documented but preliminary research results, or present findings for which the Article format is not appropriate. Book or monograph Reviews of 500 words or less are also considered. Other categories of papers are occasionally published. All papers are published only in English. Abstracts of the Articles or Reports may be printed in other languages if supplied by the author(s) with English translations.
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