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Forests 2017, 8(7), 222; doi:10.3390/f8070222

Changes in Soil Biochemical Properties in a Cedar Plantation Invaded by Moso Bamboo

Biodiversity Research Center, Academia Sinica, Nangang, Taipei 11529, Taiwan
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Received: 19 May 2017 / Revised: 21 June 2017 / Accepted: 21 June 2017 / Published: 23 June 2017
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Abstract

Moso bamboo (Phyllostachys edulis) is one of the widely growing bamboo species in Asia. Because of its fast growth and aggressive rhizomes, it is reported to invade other forests and reduce the biodiversity of forest ecosystems. To determine the changes in soil nutrient conditions due to moso bamboo invasion, this research measured the difference in soil labile carbon (C) and nitrogen (N) contents in a Japanese cedar (Cryptomeria japonica) forest invaded by moso bamboo in central Taiwan. The content of soluble organic C (SbOC), measured by both KCl and hot-water extraction methods, was lower in bamboo than cedar soils. This observation agreed with the finding that the more easily decomposed SbOC could be lost with bamboo invasion. In addition, both SbOCKCl and SbOCHW contents were positively correlated with microbial biomass C content, so the decreased labile organic C content in bamboo soils may reduce microbial biomass production. Principal component analysis revealed soil organic C content (total organic C, SbOC and acid-hydrolysable C) as the most important soil parameter affected by the bamboo invasion, followed by microbial biomass N and NO3− contents in soils. The soil quality index model also agreed with the degraded soil quality with bamboo invasion. In conclusion, the invasion of moso bamboo reduced the C and N pools in bamboo soil and degraded the overall soil quality. View Full-Text
Keywords: moso bamboo; invasion; soil nutrients; microbial biomass; KCl extraction; hot-water extraction moso bamboo; invasion; soil nutrients; microbial biomass; KCl extraction; hot-water extraction
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Shiau, Y.-J.; Chiu, C.-Y. Changes in Soil Biochemical Properties in a Cedar Plantation Invaded by Moso Bamboo. Forests 2017, 8, 222.

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