Comparison of life history traits between invasive and native populations of purple loosestrife (Lythrum salicaria) using nonlinear mixed effects model

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Title
Comparison of life history traits between invasive and native populations of purple loosestrife (Lythrum salicaria) using nonlinear mixed effects model
Author(s)
Young Jin Chun; Chang-Gi Kim; K A Moloney
Bibliographic Citation
Aquatic Botany, vol. 93, no. 4, pp. 221-226
Publication Year
2010
Abstract
We compared growth patterns of invasive and native populations of purple loosestrife (Lythrum salicaria) while varying water and nutrient levels. We examined three life-history traits (height, number of branches, and the size of largest leaf) during the growth period adopting a nonlinear mixed effects model. Invasive populations were found to be slower in shoot elongation but grew to be taller than native populations. Invasive populations produced more branches than natives only in the high water, high nutrient treatment. Invasive populations had a similar increase in the size of the largest leaf compared to natives, but ultimately produced a greater size of largest leaf than natives. Invasive populations were found to display a greater vegetative expansion, but this was not strongly affected by our treatments
Keyword
Common gardenEnvironmentInvasive speciesLife historyNonlinear model
ISSN
0304-3770
Publisher
Elsevier
DOI
http://dx.doi.org/10.1016/j.aquabot.2010.09.001
Type
Article
Appears in Collections:
Ochang Branch Institute > Division of Bioinfrastructure > Bio-Evaluation Center > 1. Journal Articles
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