DOI: 10.1016/j.foreco.2017.01.035
Scopus记录号: 2-s2.0-85013642397
论文题名: Why have southern pine beetle outbreaks declined in the southeastern U.S. with the expansion of intensive pine silviculture? A brief review of hypotheses
作者: Asaro C. ; Nowak J.T. ; Elledge A.
刊名: Forest Ecology and Management
ISSN: 0378-1127
出版年: 2017
卷: 391 起始页码: 338
结束页码: 348
语种: 英语
英文关键词: Forest management
; Intensive silviculture
; Outbreak history
; Pine plantations
; Southern pine beetle
Scopus关键词: Ecology
; Coastal plain
; Intensive management
; Intensive silvicultures
; Natural enemies
; nocv1
; Pine plantations
; Southern pine beetle
; Southern pines
; Tree improvement
; Forestry
; beetle
; coniferous forest
; forest management
; genetic analysis
; natural enemy
; pest outbreak
; plantation
; silviculture
; Piedmont [United States]
; United States
; Dendroctonus frontalis
; Pinus echinata
英文摘要: The southern pine beetle has shown a dramatic decline in outbreak activity over much of the southeastern United States since the turn of the 21st century compared to previous decades. Concurrently, from the 1950s through the present day, a twenty-fold increase in pine plantation area has occurred across the region while trends in genetic tree improvement and pine silvicultural advances have seen a marked increase in application towards the end of the 20th century. We examine southern pine beetle outbreaks in the Piedmont and Coastal Plain physiographic provinces of the southeastern U.S. relative to this increase in pine plantation area and intensive management. While climate and natural enemy hypotheses are discussed, the substantial changes to the management and condition of the southern pine resource in the form of plantations that are genetically improved, younger, faster growing, less overstocked or more fragmented may provide a more robust explanation for regional declines in SPB outbreak activity. © 2017 Citation statistics:
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/64425
Appears in Collections: 影响、适应和脆弱性
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作者单位: USDA Forest Service, Forest Health Protection, 1720 Peachtree Rd., N.W., Suite 850, Atlanta, GA, United States; USDA Forest Service, Forest Health Protection, 200 W.T. Weaver Blvd., Asheville, NC, United States
Recommended Citation:
Asaro C.,Nowak J.T.,Elledge A.. Why have southern pine beetle outbreaks declined in the southeastern U.S. with the expansion of intensive pine silviculture? A brief review of hypotheses[J]. Forest Ecology and Management,2017-01-01,391