Effects of planting method and nitrogen addition on Sphagnum growth in microcosm wetlands

Sunghyun Kim, Yongkyu Kim, Youngjoo Kim, Kyeonghoon Kim, S. Wang, Hojeong Kang, Byungho Yoo

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

In this study, we propose a method to create a Sphagnum wetland in an urban ecosystem by collecting basic information about Sphagnum growth and decomposition. We constructed six groups of Sphagnum microcosms (1 m × 1 m) with three replicates. A factorial design with two planting methods (capitulum without stem and capitulum with stem) and three levels of nitrogen addition (0, 2, and 6 g N m-2 year-1) were prepared. Changes in length, dry mass, and decomposition rates of Sphagnum were monitored over a growing season. The effect of N concentration on production varied for the different planting methods. Production of Sphagnum increased with N concentration in the capitulum without the stem treatment (-D) than in the with stem treatment (+D). Adding N affected the decomposition rate in both with and without stem treatments. Decomposition rate increased with added nitrogen. Planting without stems (-D) was an effective design for a high production and low decomposition of Sphagnum. Net primary production was 187-260 g m-2year-1 for dry mass and 15.5- 26.5 mm year-1 for length, whereas decomposition rates were 10.9-14.7 % mass loss per year. These values are comparable to those from natural bogs. The overall results indicate that constructing Sphagnum wetlands can be successfully employed as a greening technology in urban ecosystems, even in mid-latitudes.

Original languageEnglish
Pages (from-to)185-192
Number of pages8
JournalPaddy and Water Environment
Volume12
Issue numberSUPPL1
DOIs
Publication statusPublished - 2014 Jan 1

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Sphagnum
Wetlands
microcosm
wetlands
wetland
stem
planting
decomposition
Nitrogen
Decomposition
nitrogen
stems
degradation
urban ecosystem
Ecosystems
methodology
net primary production
bog
ecosystems
bogs

All Science Journal Classification (ASJC) codes

  • Environmental Engineering
  • Agronomy and Crop Science
  • Water Science and Technology

Cite this

Kim, Sunghyun ; Kim, Yongkyu ; Kim, Youngjoo ; Kim, Kyeonghoon ; Wang, S. ; Kang, Hojeong ; Yoo, Byungho. / Effects of planting method and nitrogen addition on Sphagnum growth in microcosm wetlands. In: Paddy and Water Environment. 2014 ; Vol. 12, No. SUPPL1. pp. 185-192.
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Effects of planting method and nitrogen addition on Sphagnum growth in microcosm wetlands. / Kim, Sunghyun; Kim, Yongkyu; Kim, Youngjoo; Kim, Kyeonghoon; Wang, S.; Kang, Hojeong; Yoo, Byungho.

In: Paddy and Water Environment, Vol. 12, No. SUPPL1, 01.01.2014, p. 185-192.

Research output: Contribution to journalArticle

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