Development of a forest carbon and nitrogen model: Pilot application for a Pinus densiflora forest in Central Korea

Hyungsub Kim, Seongjun Kim, Jongyeol Lee, Hanna Chang, Yujin Roh, Jiae An, Yowhan Son

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

This study aimed to develop a forest carbon (C) and nitrogen (N) model, known as the Forest Biomass and Dead organic matter Carbon And Nitrogen (FBDCAN), which can be useful under limited input data availability. An N module was designated with three N pools (biomass, dead organic matter, and soil inorganic N) and ten N cycle processes (N deposition, biological N fixation, N mineralization, immobilization, root N uptake, retranslocation, nitrification, N leaching, denitrification, and turnover), and then integrated into an existing forest C model. A pilot application was carried out for a Pinus densiflora forest in Gwangneung Experimental Forests (PGEF), to verify the performance and reliability of the model. The simulated net N mineralization in 2010 (69.91 kg N ha−1yr−1) was within the observed range in PGEF. Furthermore, the simulated N stock (3.91 Mg N ha−1) based on the FBDCAN model was consistent with the observed N stock (4.13 Mg N ha−1) in PGEF (r2 = 0.96 to 0.99). The newly developed forest C and N model could be used for the estimation of N cycle processes, N stock, and C stock, even in regions where the input data availability is low.

Original languageEnglish
Pages (from-to)202-209
Number of pages8
JournalForest Science and Technology
Volume15
Issue number4
DOIs
Publication statusPublished - 2019 Oct 2

Keywords

  • Carbon
  • forest
  • modeling
  • nitrogen
  • Pinus densiflora

ASJC Scopus subject areas

  • Forestry
  • Management, Monitoring, Policy and Law

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