The conservation of forest genetic resources: Case histories from Canada, Mexico, and the United States

被引：0
|
作者：
Ledig, FT [1 ]
Vargas-Hernandez, JJ
Johnsen, KH
机构：
[1] US Forest Serv, Inst Forest Genet, Pacific SW Res Stn, USDA, Placerville, CA 95667 USA
[2] Colegio Postgrad Ciencias Agr, Inst Recursos Nat, Programa Forestal, Montecillo, Mexico
[3] Canadian Forest Serv, Atlantic Forestry Ctr, Fredericton, NB, Canada
来源：
JOURNAL OF FORESTRY | 1998年 / 96卷 / 01期
关键词：
D O I：
暂无
中图分类号：
S7 [林业];
学科分类号：
0829 ; 0907 ;
摘要：
Genetic diversity in forest trees is best conserved in native populations. However, natural populations are threatened by many factors, eliminating valuable but often cryptic genetic resources. Gene banks (seed banks, plantations, or clonal archives) provide a prudent backup for breeders and ecological restorers should native populations be lost. Ottawa Valley white spruce, Guadalupe Island pine, and Torrey pine are examples of the value of gene banks in the conservation of forest genetic resources.
引用
收藏
页码：32 / 41
页数：10
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