Environmental Tolerances of Miscanthus sinensis in Invasive and Native Populations

Lauren D. Quinn, J. Ryan Stewart, Toshihiko Yamada, Yo Toma, Masanori Saito, Katsuhisa Shimoda, Fabián G. Fernández

研究成果: Article査読

21 被引用数 (Scopus)

抄録

Miscanthus sinensis is a moderately invasive ornamental grass species being considered as a bioenergy species in the USA and elsewhere. In this study, we show the range of environmental conditions tolerated by this species in wild populations in the USA and in Japan. Six naturalized populations in the USA and five native populations in Japan were sampled in summer 2009. In each population, environmental factors (canopy cover and soil fertility) were measured, along with measurements of size and morphology for 30 plants. Relationships between M. sinensis size and environmental variables in the two countries were determined using linear mixed effects models. Results indicated that M. sinensis can tolerate extremely wide variation in soil and climate conditions in the populations we sampled across both ranges, suggesting that it could be successfully grown across a wide distribution in the USA, both intentionally as a bioenergy crop and unintentionally as an escaped invader. Plant size generally responded to different environmental conditions in both ranges, with USA plants being negatively influenced by canopy cover and Japanese plants being positively influenced by soil fertility measures. We recommend caution in growing M. sinensis for bioenergy or ornamental purposes to minimize escape outside of its native range.

本文言語English
ページ(範囲)139-148
ページ数10
ジャーナルBioenergy Research
5
1
DOI
出版ステータスPublished - 2012 3 1

ASJC Scopus subject areas

  • Renewable Energy, Sustainability and the Environment
  • Agronomy and Crop Science
  • Energy (miscellaneous)

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