SPATIAL GENETIC-STRUCTURE WITHIN 3 SUGAR MAPLE (ACER-SACCHARUM MARSH) STANDS

被引：86

作者：

PERRY, DJ ^{[1
]}

KNOWLES, P ^{[1
]}

机构：

[1] LAKEHEAD UNIV,SCH FORESTRY,THUNDER BAY P7B 5E1,ONTARIO,CANADA

来源：

HEREDITY | 1991年 / 66卷

基金：

加拿大自然科学与工程研究理事会;

关键词：

GENE FLOW; GENETIC STRUCTURE; MORANS-I; SPATIAL AUTO CORRELATION;

D O I：

10.1038/hdy.1991.17

中图分类号：

Q14 [生态学（生物生态学）];

学科分类号：

071012 ; 0713 ;

摘要：

Approximately 100 trees were sampled and mapped in each of three natural Sugar Maple (Acer saccharum Marsh.) stands in northwestern Ontario. Starch-gel electrophoresis was used to resolve five polymorphic enzyme loci from bud tissue and spatial genetic structure was examined in each of the three stands using spatial autocorrelation techniques. A significant small scale genetic structure was detected in all stands and patch widths were inferred to be approximately 20-30 m. A non-random distribution of genotypes may be a reflection of restricted gene flow, selection and/or patchy establishment of genetically distinct cohorts.

引用

页码：137 / 142

页数：6

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