Dendroclimatic Responses of Sugar Maple Tapped for Maple Syrup: A Case Study from Pennsylvania

IF 1.1 4区农林科学 Q3 FORESTRY

Tree-Ring Research Pub Date : 2017-03-06 DOI:10.3959/1536-1098-73.1.35

C. A. Copenheaver, Dylan E. Dawson, M. N. Garza, Deborah G. Nemens

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引用次数: 1

Abstract

ABSTRACT Maple syrup is a regional, non-timber forest product in the United States that depends upon healthy, mature sugar maple (Acer saccharum Marshall). We examined whether tapping for maple syrup altered the dendroclimatic response of sugar maple. Ring width indices from two sites (tapped and reference) in central Pennsylvania were correlated with regional temperature, precipitation, and Palmer Drought Severity Index (PDSI). Both sites had significant correlations between summer and fall PDSI and radial growth. Spring PDSI was significantly correlated with growth at the reference site, but not at the tapped site. Both tapped and reference trees experienced below-average growth during years with dry spring conditions (PSDI < 0), but tapped trees had a higher percentage of years (27%) with below-average growth during years with moist spring conditions (PDSI > 0) compared to reference trees (15%). These results indicate that tapping for maple syrup may have altered the dendroclimatic response of sugar maple to moisture availability during the spring months.

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提取枫糖浆的糖枫的树木气候响应——以宾夕法尼亚州为例

摘要枫糖浆是美国的一种区域性非木材森林产品，依赖于健康成熟的糖枫（Acer saccharum Marshall）。我们研究了枫糖浆是否改变了糖枫的树木气候反应。宾夕法尼亚州中部两个地点（抽头和参考）的环宽指数与区域温度、降水量和帕尔默干旱严重程度指数（PDSI）相关。这两个地点在夏季和秋季PDSI和径向生长之间都有显著的相关性。春季PDSI与参考部位的生长显著相关，但与抽头部位的生长无关。在春季干旱的年份（PSDI＜0），采穗树和参考树的生长都低于平均水平，但与参考树（15%）相比，在春季潮湿的年份（PDSI＞0），采穗树的生长低于平均水平的年份比例更高（27%）。这些结果表明，在春季的几个月里，使用枫糖浆可能改变了糖枫对水分供应的树木气候反应。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Tree-Ring Research 农林科学-林学

CiteScore

2.40

自引率

12.50%

发文量

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.