气候变化领域集成服务门户(CCPortal): Invasibility of fire-managed ecosystems to the Chinese tallow tree (Triadica sebifera) in the lower Gulf Coastal Plain, USA: Mechanisms and key factors at the landscape level

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DOI	10.1016/j.foreco.2020.118539
	Invasibility of fire-managed ecosystems to the Chinese tallow tree (Triadica sebifera) in the lower Gulf Coastal Plain, USA: Mechanisms and key factors at the landscape level
	Fan Z.; Yang S.; Cheng N.; Liu X.; Song A.; Dong L.
发表日期	2021
ISSN	0378-1127
卷号	479
英文摘要	The Chinese tallow tree (Triadica sebifera, hereafter, tallow) is a nonnative invasive species that has invaded diverse ecosystems including forests, prairies and wetlands in the Gulf Coastal Plain of the southeastern United States. We proposed a landscape (ecosystem)-level modeling framework of tallow invasion and applied it to a fire-managed landscape to evaluate the effect of prescribed fire on tallow invasion and ecosystem invasibility. A spatially random sample consisting of 55 0.04-ha circular plots was installed in a landscape of appropriately 2,900 ha in the Mississippi Sandhill Crane National Wildlife Refuge in 2015. These plots, plus ten additional tallow-invaded plots from another study were measured in May-June of 2015 and remeasured in November of 2018. Across the entire landscape, pine flatwoods (invasion probability = 0.52) were generally more susceptible to tallow invasion than pine savannas (invasion probability = 0.16) (p = 0.002), and the former had a greater number of tallow seedlings and saplings (p < 0.001), but fewer large tallow trees (p = 0.07) than the latter. The effect of fire on tallow invasion is two-fold and changes with fire return intervals and ecosystem conditions. Fire may promote seed germination and seedling recruitment, but recurrent fires top-kill or even completely kill young seedlings and saplings. Large proportions of invaded plots and abundant tallow seedlings and saplings that accumulate in pine flatwoods are essentially attributed to their high overstory tree basal area but relatively low shrub/grass coverage. On sites near roadways or with tallow seed trees, short fire intervals tend to increase invasion probability and the abundance of tallow seedlings and saplings, whereas long fire intervals increase the abundance of large tallow trees. Under current fire treatments, pine flatwoods are more susceptible to seedling colonization and sapling establishment, while pine savannas favor the growth and development of large tallow trees. © 2020
英文关键词	Chinese tallow; Invasibility; Invasion stage; Pine flatwood/savanna; Prescribed fire
语种	英语
scopus关键词	Ecosystems; Fires; Plants (botany); Probability; Seed; Chinese tallow tree; Fire return intervals; Growth and development; Gulf coastal plains; Invasive species; Prescribed fires; Seed germination; Seedling recruitment; Forestry; abundance; basal area; colonization; germination; growth and development; invasibility; invasive species; overstory; pine; seedling; Ecosystems; Fires; Forestry; Pinus; Probability; Seed Trees; Seedlings; Gulf Coastal Plain; Mississippi; United States; Grus canadensis pulla; Triadica sebifera
来源期刊	Forest Ecology and Management
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/154938
作者单位	School of Forestry and Wildlife Sciences, Auburn University, Auburn, AL 36819, United States; College of Forestry, Nanjing Forestry University, Nanjing, Jiangsu Province 210037, China; Shandong Key Laboratory of Eco-Environmental Science for Yellow River Delta, Binzhou University, Binzhou, Shandong Province 256603, China
推荐引用方式 GB/T 7714	Fan Z.,Yang S.,Cheng N.,et al. Invasibility of fire-managed ecosystems to the Chinese tallow tree (Triadica sebifera) in the lower Gulf Coastal Plain, USA: Mechanisms and key factors at the landscape level[J],2021,479.
APA	Fan Z.,Yang S.,Cheng N.,Liu X.,Song A.,&Dong L..(2021).Invasibility of fire-managed ecosystems to the Chinese tallow tree (Triadica sebifera) in the lower Gulf Coastal Plain, USA: Mechanisms and key factors at the landscape level.Forest Ecology and Management,479.
MLA	Fan Z.,et al."Invasibility of fire-managed ecosystems to the Chinese tallow tree (Triadica sebifera) in the lower Gulf Coastal Plain, USA: Mechanisms and key factors at the landscape level".Forest Ecology and Management 479(2021).