表型可塑性和局域适应在紫茎泽兰入侵不同海拔生境中的作用

被引：39

作者：

张常隆 ^{[1
,2
]}

李扬苹 ^{[1
]}

冯玉龙 ^{[1
]}

郑玉龙 ^{[1
]}

类延宝 ^{[1
]}

机构：

[1] 中国科学院西双版纳热带植物园昆明分部

[2] 中国科学院研究生院

来源：

生态学报 | 2009年 / 29卷 / 04期

关键词：

表型可塑性; 遗传分化; 局域适应; 生长; 高温半致死温度; 紫茎泽兰; 入侵;

D O I：

暂无

中图分类号：

Q948 [植物生态学和植物地理学];

学科分类号：

071012 ; 0713 ;

摘要：

紫茎泽兰是我国危害最严重的外来入侵物种之一,为探讨表型可塑性和局域适应在其入侵中的作用,在高、低海拔的两个样地内,测定了来自云南南部640～2450m海拔范围的6个种源的紫茎泽兰种群的株高、冠宽、分枝数和高温半致死温度(HSLT)。结果表明,在高海拔样地,各种群紫茎泽兰株高、冠宽、分枝数和HSLT(2130m的哀牢山种群除外)均显著低于在低海拔样地,紫茎泽兰各种群的株高、冠宽和分枝数的可塑性指数(0.881～0.975)均较大,而HSLT的可塑性(0.052～0.200)较小。无论在高还是低海拔样地,紫茎泽兰的株高、冠宽和分枝数在种群间的差异均不显著,而HSLT在种群间的差异达极显著水平,表现出明显的遗传分化,但其在种群间的差异仍小于其在样地间的差异。在高海拔样地,紫茎泽兰各种群的分枝数与种源海拔呈显著正相关;在低海拔样地,紫茎泽兰的HSLT与种源海拔呈显著负相关,表现出明显的局域适应特征。表型可塑性和局域适应均与紫茎泽兰的入侵有关,但前者的作用可能更大。

引用

页码：1940 / 1946

页数：7

共 24 条

[11]

Irradiance acclimation, capture ability, and efficiency in invasive and non-invasive alien plant species[J] . Y.-L. Feng,J.-F. Wang,W.-G. Sang.Photosynthetica . 2007 (2)

[12] Phenotypic and genetic differentiation between native and introduced plant populations [J].

Bossdorf, O ;

Auge, H ;

Lafuma, L ;

Rogers, WE ;

Siemann, E ;

Prati, D .

OECOLOGIA, 2005, 144 (01) :1-11

[13] Rapid evolution of an invasive plant [J].

Maron, JL ;

Vila, M ;

Bommarco, R ;

Elmendorf, S ;

Beardsley, P .

ECOLOGICAL MONOGRAPHS, 2004, 74 (02) :261-280

[14]

Plant ecotypes: genetic differentiation in the age of ecological restoration[J] . Kristina M. Hufford,Susan J. Mazer.Trends in Ecology ＆ Evolution . 2003 (3)

[15] Plasticity and genetic diversity may allow saltcedar to invade cold climates in North America [J].

Sexton, JP ;

McKay, JK ;

Sala, A .

ECOLOGICAL APPLICATIONS, 2002, 12 (06) :1652-1660

[16] Evolutionary genetics of invasive species [J].

Lee, CE .

TRENDS IN ECOLOGY & EVOLUTION, 2002, 17 (08) :386-391

[17] Plastic phenotypic response to light of 16 congeneric shrubs from a Panamanian rainforest [J].

Valladares, F ;

Wright, SJ ;

Lasso, E ;

Kitajima, K ;

Pearcy, RW .

ECOLOGY, 2000, 81 (07) :1925-1936

[18]

Intraspecific variability in the context of ecological restoration projects[J] . Jelte van Andel.Perspectives in Plant Ecology, Evolution and Systematics . 1998 (2)

[19]

Physiological and morphological variation in Metrosideros polymorpha, a dominant Hawaiian tree species, along an altitudinal gradient: the role of phenotypic plasticity[J] . S. Cordell,G. Goldstein,D. Mueller-Dombois,D. Webb,P. M. Vitousek.Oecologia . 1998 (2)

[20]

The Evolution of Weeds[J] . H G Baker.Annual Review of Ecology and Systematics . 1974

← 1 2 3 →