Outbreak patterns of the spruce budworm and their impacts in Canada

被引：36

作者：

Gray, D. R. ^{[1
]}

MacKinnon, W. E. ^{[1
]}

机构：

[1] Canadian Forest Serv, Atlant Forestry Ctr, Fredericton, NB E3B 5P7, Canada

来源：

FORESTRY CHRONICLE | 2006年 / 82卷 / 04期

关键词：

spruce budworm; defoliation; growth loss and mortality; carbon source or sink;

D O I：

10.5558/tfc82550-4

中图分类号：

S7 [林业];

学科分类号：

0829 ; 0907 ;

摘要：

Historical records (1941-1998) of spruce budworm defoliation in Canada were analyzed to estimate variability in the spatial and temporal patterns of defoliation, and to determine 27 representative patterns that adequately describe the spatial and temporal variability in defoliation. Spatially referenced estimates of growth loss and mortality resulting from an outbreak of spruce budworm were obtained by subjecting a national forest inventory to the spatially defined representative patterns of defoliation. The use of these estimates in determining the status of Canada's forests as a carbon source or sink is discussed.

引用

页码：550 / 561

页数：12

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