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Open AccessArticle

Native Bamboo Invasions into Subtropical Forests Alter Microbial Communities in Litter and Soil

1
Research Institute of Subtropical Forestry, Chinese Academy of Forestry, Fuyang 311400, China
2
Research Institute of Forestry, Chinese Academy of Forestry, Beijing 100091, China
3
Qianjiangyuan Forest Ecosystem Research Station, National Forestry and Grassland Administration of China, Fuyang 311400, China
4
Institute of Wetland Ecology & Clone Ecology; Zhejiang Provincial Key Laboratory of Evolutionary Ecology and Conservation, Taizhou University, Taizhou 318000, China
5
Swiss Federal Institute for Forest, Snow and Landscape Research WSL, CH-8903 Birmensdorf, Switzerland
6
School of Geographical Sciences, Northeast Normal University, Changchun 130024, China
*
Authors to whom correspondence should be addressed.
Forests 2020, 11(3), 314; https://doi.org/10.3390/f11030314
Received: 29 January 2020 / Revised: 24 February 2020 / Accepted: 11 March 2020 / Published: 13 March 2020
(This article belongs to the Special Issue The Effects of Species Invasions and Dispersal on Forest Communities)
Both exotic and native plant invasions can have profound impacts on ecosystems. While many studies have examined the effects of exotic plant invasions on soil properties, relatively few have tested the effects of native plant invasions on soil microbial communities. Furthermore, we know little about the effects of native plant invasions on microbial communities in litter. In subtropical forests in southern China, we sampled litter at three decomposition stages and top soil in three forest sands representing three stages of the invasion (not invaded, moderately and heavily invaded) by the Moso bamboo (Phyllostachys edulis (Carriere) J. Houzeau), a native species in China. We measured chemical properties (concentrations of C, N, P, Mg, Al, K, Ca, Mn, Cu, and Zn, and concentrations of cellulose and lignin) and microbial communities in litter and/or soil. The bamboo invasion, in general, decreased the element concentrations in litter and soil and also decreased total microbial abundance and diversity. Considering bacteria and fungi separately, the bamboo invasion decreased fungal diversity in litter and soil, but had little impact on bacterial diversity, suggesting that fungi are more sensitive and vulnerable to the bamboo invasion than bacteria. We conclude that native Moso bamboo invasions into subtropical forests may lead to a complex biogeochemical process in the litter–soil system, which may threaten local forest ecosystems by affecting microbial communities and, thus, litter decomposition and nutrient cycling. View Full-Text
Keywords: bacteria; forest types; fungi; microorganisms; plant invasion; Phyllostachys edulis (Carriere) J. Houzeau bacteria; forest types; fungi; microorganisms; plant invasion; Phyllostachys edulis (Carriere) J. Houzeau
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MDPI and ACS Style

Tian, X.-K.; Wang, M.-Y.; Meng, P.; Zhang, J.-S.; Zhou, B.-Z.; Ge, X.-G.; Yu, F.-H.; Li, M.-H. Native Bamboo Invasions into Subtropical Forests Alter Microbial Communities in Litter and Soil. Forests 2020, 11, 314.

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