Azusa Oita

Profile Information

Affiliation: Senior Researcher, Institute for Agro-Environmental Sciences, NARO, Division of Biogeochemical Cycles, Carbon and Nutrient Nexus Unit, National Agriculture and Food Research Organization

Degree: D.Env.Sc.(Mar, 2016, Yokohama National University)

ORCID ID: https://orcid.org/0000-0002-1876-2033
J-GLOBAL ID: 201601007243122609
researchmap Member ID: B000251048

External link: https://www.naro.go.jp/english/laboratory/niaes/index.html

人間がモノやサービスの利用を通じて環境に与える影響について研究しています。特に、食料生産と関わりの深い窒素・リンの利用と循環に着目しています。環境への負荷を可視化する指標として窒素フットプリント開発に取り組んできました。また、指標を使って、日本と他国の負荷の差や、世代間・性別間の負荷の差、食生活の変化に伴う負荷の変化を評価しています。窒素やリンに限らず、水やエネルギー、資源の効率的な利用と、生態系への影響の低減を目指しています。

Research Interests

Research Areas

Major Research History

Major Education

Apr, 2012 - Mar, 2016

Department of Risk Management and Environmental Sciences, Graduate School of Environment and Information Sciences, Yokohama National University

Awards

Mar, 2021

Encouragement Award, Research on nutrient management with nitrogen footprint models, The Institute of Life Cycle Assessment, Japan

Azusa Oita

Major Papers

Food Nitrogen Footprint of the Indian Subcontinent Toward 2050

Aurup Ratan Dhar, Azusa Oita, Kazuyo Matsubae

Frontiers in Nutrition, 9 899431-899431, May 20, 2022 Peer-reviewed
Nutrient-extended input‒output (NutrIO) method for the food nitrogen footprint

Azusa Oita, Kiwamu Katagiri, Tetsuya Eguchi, Ryoko Morioka, Junko Shindo, Kentaro Hayashi, Kazuyo Matsubae

Environmental Research Letters, 16(11) 115010-115010, Oct 29, 2021 Peer-reviewedInvitedLead authorCorresponding author
Trends in the food nitrogen and phosphorus footprints for Asia's giants: China, India, and Japan

Azusa Oita, Farah Wirasenjaya, Jiarui Liu, Elizabeth Webeck, Kazuyo Matsubae

Resources, Conservation and Recycling, 157 104752-104752, Jun, 2020 Peer-reviewedLead authorCorresponding author
Food nitrogen footprint reductions related to a balanced Japanese diet

Azusa Oita, Ichiro Nagano, Hiroyuki Matsuda

Ambio, 47(3) 318-326, Apr 1, 2018 Peer-reviewedLead authorCorresponding author
803

Nitrogen Footprint: A Novel Indicator to Quantify Nitrogen Loss to the Environment

Azusa Oita, Hideaki Shibata, Junko Shindo

Journal of Life Cycle Assessment, Japan, 14(2) 120-133, Apr, 2018 InvitedLead authorCorresponding author
Substantial nitrogen pollution embedded in international trade

Azusa Oita, Arunima Malik, Keiichiro Kanemoto, Arne Geschke, Shota Nishijima, Manfred Lenzen

Nature Geoscience, 9(2) 111-115, Feb, 2016 Peer-reviewedLead author
An improved methodology for calculating the nitrogen footprint of seafood

Azusa Oita, Ichiro Nagano, Hiroyuki Matsuda

Ecological Indicators, 60 1091-1103, Jan, 2016 Peer-reviewed

Books and Other Publications

図説窒素と環境の科学: 人と自然のつながりと持続可能な窒素利用

編著者) 林健太郎, 柴田英昭, 梅澤有, 2-14節著者) 種田あずさ, 山末英嗣, 松八重一代, 片桐究, 柴田英昭, 新藤純子, 江口定夫, 林健太郎 (Role: Contributor, 主に2-14節) 経済圏の窒素フロー)

朝倉書店, Dec, 2021 (ISBN: 9784254180572) Peer-reviewed
Ecological risk management: for conservation biology and ecotoxicology

Editor: Hiroyuki Matsuda, Authors of Chapter 5: Azusa Oita, Ichiro Nagano, Hiroyuki Matsuda (Role: Contributor, Chapter 5: Impact of Reactive Nitrogen and Nitrogen Footprint)

Springer, Singapore, May 7, 2021 (ISBN: 9789813369337)
流域ガバナンス : 地域の「しあわせ」と流域の「健全性」

編者) 脇田健一, 谷内茂雄, 奥田昇, コラム3-3著者) 間野由布子, 片桐究, 種田あずさ, 松八重一代 (Role: Contributor, コラム3-3 産業連関分析からひもとく経済活動が引き起こすリンの流れ)

京都大学学術出版会, Dec, 2020 (ISBN: 9784814003037)
Encyclopedia of Food Security and Sustainability

Editors: Pasquale Ferranti, Elliot Berry, Anderson Jock, Authors of the Chapter, Luis Lassaletta, Gilles Billen, Josette Garnier, Azusa Oita, Hideaki Shibata, Junko Shindo, Kentaro Hayashi (Role: Contributor, "Nitrogen Embedded in Global Food Trade")

Elsevier, Dec, 2018 (ISBN: 9780128126875)

Misc.

Life Cycle Approach Towards Sustainable Development of the Shimo Goto Islands, Japan: Current Situation and Prospects for Future Research

Yosuke SHIGETOMI, Azusa OITA

Journal of Life Cycle Assessment, Japan, 18(3) 135-141, Jul, 2022
持続可能な窒素利用に向けた土壌肥料学の挑戦

林健太郎, 柴田英昭, 仁科一哉, 種田あずさ, 杉原創, 早川敦

日本土壌肥料学雑誌, 93(3) 152-157, Jun, 2022 Invited
Ⅰ-4窒素フットプリントモデルを用いた食料システムの窒素フロー解析（Ⅰ 持続可能な窒素利用に向けた土壌肥料学の挑戦 2021年度北海道大会）

種田あずさ

日本土壌肥料学会講演要旨集, 67 154-154, Sep 3, 2021
Relationships between nitrogen and phosphorus inputs into farmland on a prefectural scale in Japan and their footprints

種田あずさ, 居城琢, 松岡かおり, 林健太郎

日本生態学会大会講演要旨(Web), 68th, Mar, 2021 Lead authorCorresponding author
45

Care for food, care for others. In: Nitrogen and the food system

Azusa Oita

One Earth, 4(1) 4-5, Jan, 2021 InvitedCorresponding author
117

Time series of nitrogen and phosphorus footprints in response to food consumption structure changes in Asia

Azusa Oita, Elizabeth Webeck, Kazuyo Matsubae

The 14th Meeting of the Institute of Life Cycle Assessment, Japan, 124-125, Mar, 2019 Lead authorCorresponding author
消費者レベル食品ロスと過剰摂取の低減による窒素フットプリント削減ポテンシャル

林健太郎, 種田あずさ, 江口定夫, 柴田英昭

日本土壌肥料学会講演要旨集, 64 155-155, Aug, 2018
食料生産～消費過程における窒素利用効率と環境への窒素負荷—消費者影響の重要性と活用方向—

江口定夫, 柴田英昭, 種田あずさ, 新藤純子, 松本成夫, 森昭憲, 中島泰弘, 朝田景, 志村もと子, 林健太郎 …

日本土壌肥料学雑誌, 89(3) 249-259, Jun, 2018 Peer-reviewed
86

日本における窒素フットプリントの特徴－消費者一人当たりの窒素負荷指標－

柴田英昭, 種田あずさ

日本土壌肥料学会講演要旨集, 63 214-214, Sep, 2017 InvitedLast author
Recent trends in nitrogen footprint research towards managing the global nitrogen cycle: Report of the international workshops

Azusa Oita, Hideaki Shibata, Sadao Eguchi, Yuhei Hirono, Kazuya Nishina, Yoshitaka Uchida

Japanese Journal of Ecology, 67(2) 189-196, 2017
169

「国際貿易が引き起こす窒素汚染の実態」論文発表に実を結んだ共同研究

種田あずさ

横浜国立大学副専攻プログラム「統合的海洋管理学」海外派遣研修特別報告, Nov, 2016 Lead author
Evaluating seafood-consumption induced nitrogen pollution using footprint metrics

Azusa Oita, Ichiro Nagano, Hiroyuki Matsuda

The 63rd Annual Meeting of Ecological Society of Japan (ESJ63) Abstracts, P1-307-P1-307, Mar, 2016 Lead authorCorresponding author
Applying Multi-Region Input-Output Analysis to Global Nitrogen Emission

Azusa Oita, Arunima Malik, Jun Lan, Shota Nishijima, Hiroyuki Matsuda, Manfred Lenzen

The 62rd Annual Meeting of Ecological Society of Japan (ESJ62) Abstracts, G1-01-G1-01, Mar, 2015 Lead authorCorresponding author
生態系アプローチを可視化する (特集地球にちょうどいい生きかたの指標 : エコロジカル・フットプリント入門) -- (エコロジカル・フットプリントの実践)

松田裕之, 種田あずさ

ビオシティ = Bio city, (56) 70-75, Oct, 2013 Invited
Structural Features of Vacuolar Sorting Determinants of Soybean .BETA.-conglycinin

MARUYAMA NOBUYUKI, OITA AZUSA, NISHIZAWA KEITO, UTSUMI SHIGERU

大豆たん白質研究, 8(26) 19-23, Oct, 2005
ダイズβ‐コングリシニンのC末端型液胞選別輸送シグナルの特性

OITA AZUSA, NISHIZAWA KEITO, MARUYAMA NOBUYUKI, UTSUMI SHIGERU

日本農芸化学会大会講演要旨集, 2005 309, Mar 5, 2005

Major Presentations

窒素フットプリントおよび食料システムの窒素フロー解析

種田あずさ

⽇本⼟壌肥料学会2021年度北海道⼤会, Sep 16, 2021 Invited
Using response categories to classify the impacts of reactive nitrogen

Jill Baron, Hideaki Shibata, Daniel Liptzin, Hans van Grinsven, Wim de Vries, Jana Compton, Timothy Weinmann, Azusa Oita, Allison M. Leach

The 2021 Ecological Society of America Annual Meeting, Aug 5, 2021
Approaches to assess nitrogen impacts on ecosystems and environments - Challenges of Towards International Nitrogen Management System (INMS) project

Hideaki Shibata, Jill Baron, Azusa Oita, Allison Leach, Timothy Weinmann, Daniel Liptzin

The 2021 Ecological Society of America Annual Meeting, Aug 5, 2021
Footprint modeling for nitrogen impacts through our resource demand

Azusa Oita

Online symposium of the Ecological Society of Japan, Kanto Branch: "Human-nature systems in ecological studies and ecosystem/resource management", Jul 21, 2021 Invited
Footprint analysis on nutrient leaching from farmland in regions of Japan

Azusa Oita, Yoshiya Touge, Taku Ishiro, Yusuke Takata, Kentaro Hayashi

The Japan Geoscience Union Meeting 2021 (JpGU 2021), Jun 4, 2021
A guidance document for nitrogen impact assessment for human health and environment qualities

Hideaki Shibata, Jill Baron, Azusa Oita, Allison Leach, Timothy Weinmann, Daniel Liptzin

The 8th International Nitrogen Conference (INI2021), Jun 3, 2021
Nutrient-extended input–output analysis for food nitrogen footprint

Azusa Oita, Kiwamu Katagiri, Tetsuya Eguchi, Ryoko Morioka, Kentaro Hayashi, Kazuyo Matsubae

The 8th International Nitrogen Conference (INI2021), Jun 3, 2021
Trends in the food nitrogen and phosphorus footprints for China, India, and Japan

Azusa Oita, Farah Wirasenjaya, Jiarui Liu, Elizabeth Webeck, Kentaro Hayashi, Kazuyo Matsubae

The 8th International Nitrogen Conference (INI2021), Jun 1, 2021
Relationships between nitrogen and phosphorus inputs into farmland on a prefectural scale in Japan and their footprints

Azusa Oita, Taku Ishiro, Kaori Matsuoka, Kentaro Hayashi

The 68th Annual Meeting of the Ecological Society of Japan, Mar 19, 2021
Nitrogen and phosphorus footprint analysis on the agri-food consumption in Miyagi prefecture

Jiarui Liu, Azusa Oita, Kazuyo Matsubae

The 16th Meeting of the Institute of Life Cycle Assessment, Japan, Mar 4, 2021
Nitrogen and Phosphorus Footprints of Food in Indonesia

Farah Wirasenjaya, Azusa Oita, Kazuyo Matsubae

The 16th Meeting of the Institute of Life Cycle Assessment, Japan, Mar 4, 2021
Reactive nitrogen demand analysis focusing on chemical products by using input-output analysis

Kiwamu Katagiri, Azusa Oita, Kazuyo Matsubae

The 16th Meeting of the Institute of Life Cycle Assessment, Japan, Mar 3, 2021
Japanese food nitrogen footprint based on input-output analysis

Azusa Oita, Kiwamu Katagiri, Tetsuya Eguchi, Ryoko Morioka, Kentaro Hayashi, Kazuyo Matsubae

The 16th Meeting of the Institute of Life Cycle Assessment, Japan, Mar 3, 2021
45

Time series of nitrogen and phosphorus footprints in response to food consumption structure changes in Asia

Azusa Oita, Elizabeth Webeck, Kazuyo Matsubae

The 14th Meeting of the Institute of Life Cycle Assessment, Japan, Mar 6, 2019

Professional Memberships

Research Projects

生産者と消費者をつなぐ新たな窒素フットプリント法：農業生産現場が見える手法の開発

科学研究費助成事業国際共同研究加速基金(国際共同研究強化(B)), 国際共同研究加速基金(国際共同研究強化(B)), 日本学術振興会, Apr, 2023 - Mar, 2029

種田あずさ, 当真要, 片柳薫子
Towards Sustainable Nitrogen Use Connecting Human Society and Nature

Research Project, Research Institute for Humanity and Nature, Apr, 2021 - Mar, 2028
「適応の効果と限界を考慮した地域別気候変動適応策立案支援システムの開発」内サブテーマ「適応のための地域別の最適作物と環境負荷の評価」

環境研究総合推進費, 独立行政法人環境再生保全機構, Apr, 2022 - Mar, 2025
豪雨による作物供給リスクを考慮した日本各地域の栄養塩負荷誘発構造の解明

Grants-in-Aid for Scientific Research Grant-in-Aid for Early-Career Scientists, Grant-in-Aid for Early-Career Scientists, Japan Society for the Promotion of Science, Apr, 2019 - Mar, 2023

Azusa Oita
Social and Technological System Design for Advancing Secondary NPK Resource Use

Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (A), Grant-in-Aid for Scientific Research (A), Japan Society for the Promotion of Science, Apr, 2017 - Mar, 2020
Mapping the Environmental Impact Footprint of Cities, Companies, and Household

Research Project, Research Institute for Humanity and Nature

Keiichiro Kanemoto (Leader)

Social Activities

日本窒素専門家グループ(JpNEG)ウェブサイト

Official expert, Logistic support

Apr, 2018 - Present