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Ayumi Katayama

Kyushu University

6-19-1, Hakozaki, Higashiku

Fukuoka, 812-8581

Japan

  • Kyushu University

SCHOLARLY PAPERS

3

DOWNLOADS

124

TOTAL CITATIONS

0

Scholarly Papers (3)

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1.

Characteristics of Throughfall Kinetic Energy in an Unmanaged Japanese Cypress Plantation Laden with Dead Branches

Number of pages: 38 Posted: 26 Feb 2024
Seonghun JEONG, Kazuki Nanko, Ayumi Katayama, Tomonori Kume, Shinya Koga and Kyoichi Otsuki
affiliation not provided to SSRN, Forestry and Forest Products Research Institute, Kyushu University, Kyushu University, Kyushu University and Kyushu University
Downloads 47 (1,109,210)

Abstract:

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Dead branches, Japanese cypress, Monte Carlo, Sand-filled splash cup, Splash soil erosion, Throughfall kinetic energy

2.

Effects of Understory Vegetation Degradation by Deer Over-Browsing on Plant Nitrogen Uptake, Soil Nitrogen Mineralization, and Nitrate Leaching in Japanese Cool-Temperate Forests

Number of pages: 35 Posted: 28 Jul 2025
Dongchuan Fu, Hayato Abe, Zhouqiang Li, Ayumi Katayama, Karibu Fukuzawa, Takuo Hishi and Masaaki Chiwa
affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, Kyushu University, affiliation not provided to SSRN, affiliation not provided to SSRN and affiliation not provided to SSRN
Downloads 42 (1,170,409)

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deer browsing, understory vegetation, vegetation nitrogen uptake, nitrate leaching, bamboo

3.

Belowground Spectroscopy — Novel Spectral Approach for Estimation of Vertical and Species-Specific Distributions of Forest Soil Characteristics and Heterotrophic Respiration

Number of pages: 34 Posted: 13 Feb 2023
Tatsuro Nakaji, Naoki Makita, Ayumi Katayama and Hiroyuki Oguma
Hokkaido University, Shinshu University, Kyushu University and National Institute for Environmental Studies
Downloads 35 (1,249,711)

Abstract:

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Cellulose, Heterotrophic respiration, Nitrogen, Partial least square regression, Shortwave infrared, Soil moisture