globalchange  > 影响、适应和脆弱性
DOI: 10.1111/gcb.13359
论文题名:
Emergence of white pine needle damage in the northeastern United States is associated with changes in pathogen pressure in response to climate change
作者: Wyka S.A.; Smith C.; Munck I.A.; Rock B.N.; Ziniti B.L.; Broders K.
刊名: Global Change Biology
ISSN: 13541013
出版年: 2017
卷: 23, 期:1
起始页码: 394
结束页码: 405
语种: 英语
英文关键词: climatic modeling ; disease complex ; emerging pathogens ; Lecanosticta acicola ; pathogens and climate change ; plant pathogen epidemiology ; precipitation ; Septorioides strobus
Scopus关键词: climate change ; climate effect ; climate modeling ; coniferous tree ; defoliation ; epidemiology ; forest management ; host-pathogen interaction ; pathogen ; timber industry ; United States ; Mycosphaerella dearnessii ; Pinus strobus ; Strobus
英文摘要: The defoliation of the eastern white pine (Pinus strobus) across the northeastern United States is an escalating concern threatening the ecological health of northern forests and economic vitality of the region's lumber industry. First documented in the spring of 2010 affecting 24 328 hectares in the state of Maine, white pine needle damage (WPND) has continued to spread and is now well established in all New England states. While causal agents of WPND are known, current research is lacking in both sampling distribution and the specific environmental factor(s) that affect the development and spread of this disease complex. This study aims to construct a more detailed distribution map of the four primary causal agents within the region, as well as utilize long-term WPND monitoring plots and data collected from land-based weather stations to develop a climatic model to predict the severity of defoliation events in the proceeding year. Sampling results showed a greater distribution of WPND than previously reported. WPND was generally found in forest stands that compromised >50% eastern white pine by basal area. No single species, nor a specific combination of species had a dominating presence in particular states or regions, thus supporting the disease complex theory that WPND is neither caused by an individual species nor by a specific combination of species. In addition, regional weather data confirmed the trend of increasing temperature and precipitation observed in this region with the previous year's May, June, and July rainfall being the best predictor of defoliation events in the following year. Climatic models were developed to aid land managers in predicting disease severity and accordingly adjust their management decisions. Our results clearly demonstrate the role changing climate patterns have on the health of eastern white pine in the northeastern United States. © 2016 John Wiley & Sons Ltd
资助项目: We would like to thank Dr. Isabel Munck from the US Forest Service for her assistance with locating diseased trees at the long-term monitoring plots as well as Forest Health State Cooperators from Maine, New Hampshire, and Vermont, along with all Forest Watch schools (Sant Bani School, Sanborton, NH ; Gilmanton Elementary School, Gilmanton, NH ; Prospect Mountain High School, Alton, NH ; Keene High School, Keene, NH ; The Dublin School, Dublin, NH ; French Pond School, Woodsville, NH ; Salem High School, Salem, NH ; Bath High School, Bath, ME) for collecting and sending in infected pine needles. We would also like to thank Tom Luther from the US Forest Service for his assistance in creating the eastern white pine host layer map. This work was funded by the US Forest Service Evaluation Monitoring grant #NE-EM-B-13-03.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/61210
Appears in Collections:影响、适应和脆弱性

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作者单位: Department of Biological Sciences, University of New Hampshire, Durham, NH, United States; USDA Forest Service, 271 Mast Rd., Durham, NH, United States; Deparment of Natural Resources, University of New Hampshire, Durhm, NH, United States; Department of Mathematics & Statistics, University of New Hampshire, Durham, NH, United States; Department of Bioagricultural Sciences and Pest Management, Colorado State University, Fort Collins, CO, United States

Recommended Citation:
Wyka S.A.,Smith C.,Munck I.A.,et al. Emergence of white pine needle damage in the northeastern United States is associated with changes in pathogen pressure in response to climate change[J]. Global Change Biology,2017-01-01,23(1)
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