Faculty Profiles - TAKAHASHI Takuya

Presentations -

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Exploring the Factors Contributing to the Gap Between Forests and People: A Comparative Survey in Urban and Rural Areas

TAKAHASHI Takuya, OHTE Nobuhito

136th Annual Meeting of the Japanese Forest Society 2025.3 The Japanese Forest Society

Innovativeness of Japanese forest owners/municipalities on nature service marketing International conference

Takuya Takahashi, Yasuto Hori, Ikumi Otsuka, Shingo Shibata, Takahiro Tsuge

ISPIM（International Society for Professional Innovation Management）Connects Osaka 2024.12 ISPIM（International Society for Professional Innovation Management）

別子銅山は森林にどのような影響を及ぼしたのか：近世から近代にかけての定量的評価

高橋卓也

林業経済学会秋季大会 2024.11 林業経済学会

森林所有者と基礎自治体の森林生態系サービス価値化に対する革新性：アクター相互の影響に関する定量的評価

高橋卓也，堀靖人，大塚生美，柴田晋吾，柘植隆宏

環境経済・政策学会2004年大会 2024.9 環境経済・政策学会

田上山の森林伐採による生態系サービスへの影響：InVESTによる推定

高橋卓也，森一真

第135回日本森林学会 2024.3 日本森林学会

学際研究プロジェクト「森林の価値とは―森と生きるひとと社会の未来像―」

大手信人，高橋卓也

第135回日本森林学会日本森林学会

生物多様性保全と森林管理のための制度的取り組み

堀靖人，大塚生美，高橋卓也

第135回日本森林学会日本森林学会

Innovativeness of Japanese forest owners and municipalities regarding the valorization of forest ecosystem services International conference

Takahashi, T, Y. Hori, I. Otsuka, S. Shibata, and T. Tsuge

Fourth International Conference on New Frontiers of Forest Economics (neFFE)

Subjective well-being as a potential policy indicator in the context of urbanization and forest restoration

TAKAHASHI Takuya, ISHIBASHI Hiroyuki, UCHIDA Yukiko, OKUDA Noboru

The 132nd Japan Forest Association Congress 2021.3

Attitudes of forest owners on provision of ecosystem services

SHIBATA Shingo, TSUGE Takahiro, TAKAHASHI Takuya

The 132nd Japan Forest Society Conference 2021.3

Recent changes in performance of production forest cooperatives: differences among various sizes International conference

MATSUHISA Koji, TAKAHASHI Takuya, SENDA Tetsushi, YAMAGUCHI Kozo, YOSHIDA Yoshio

The 132nd Japan Forest Society Conference 2021.3

An essay on financial status of production forestry cooperatives

MATSUSHITA Koji, TAKAHASHI Takuya, SENDA Tetsushi, YAMAGUCHI Yozo, YOSHIDA Yoshio

Forest Economics Society Autumn 2020 2020.12

Statistical analysis on relationship between size and profitability of forestry cooperatives

TAKAHASHI Takuya, MATSUSHITA Koji, SENDA Tetsushi, YAMAGUCHI Kozo, YOSHIDA Yoshio

Forest Economics Society Autumn 2020 2020.12

Statistical analysis of performance of production forestry cooperatives International conference

MATSUSHITA Koji, TAKAHASHI Takuya, YAMAGUCHI Kozo, YOSHIDA Yoshio, SENDA Tetsuji

The 71st Applied Forest Science Society 2020.11

森林にかかわる主観的幸福度の観点からみた森林所有者の意向・態度

高橋卓也，石橋弘之，内田由紀子，奥田昇

第131回日本森林学会大会（新型コロナウイルス感染拡大のため中止） 2020.3 日本森林学会

アンケート自由回答にみる森林の動植物に関する経験と認識：琵琶湖・野洲川上流域の調査から

石橋弘之，高橋卓也，奥田昇

林業経済学会2019年秋季大会 2019.11 林業経済学会

Evidence Statements - Japan Invited International conference

Takahashi, T.

SINCERE (Spurring INnovations for forest eCosystem sERvices in Europe) Learning Lab, Stream 2 (Cultural and spiritual forest ecosystem services from an Asian and a European perspective) 2019.10 SINCERE (Spurring INnovations for forest eCosystem sERvices in Europe)

How does forest ownership influence forest-related subjective well-being? A case study in the upper Yasu River watershed, Shiga Prefecture, Japan

Takahashi, T., Y. Uchida, H. Ishibashi and N. Okuda

Society of Environmental Economics and Policy Studies 24th Annual Conference 2019.9 環境経済・政策学会

Language：English Presentation type：Oral presentation (general)

Venue：福島市

日本の森林管理政策において、林業の採算不振による所有者の「山離れ」は21世紀となってからも引き続き大きな課題である。政策的な対応として、2019年度より市町村による私有林の公的管理を推進する「新たな森林経営管理制度」が導入された。本制度の是非、さらには制度の前提である所有者の「山離れ」の現状については議論がなされている。一方、日本の国土の約７割を占める森林の管理を考えるうえで、その過半（2012年時点で58％）を占める私有林の管理が重要であることは言うまでもない。
　新たな森林経営管理制度では公的管理の推進がうたわれてはいるが、私的財産として森林を所有する森林所有者の意向はその公的管理の前提である。したがって、所有者が自身の森林所有についてどのように感じ、考えているかを把握することは、今後の政策を検討するうえで必要であろう。また、所有者による自発的な森林管理は、環境に配慮した、きめ細かな管理を期待できる点で理想的な姿とも考えられ、所有者が森林に向き合う姿勢の把握はこの点からも重要である。さらに、新たな森林管理制度の財源としては、森林環境譲与税が新たな国民負担をともなって市町村、都道府県に配分されることになる。納税者への説明責任の点からも、森林所有者の意思、それに伴う所有者の果たす役割は明確にされなくてはならない。
ここでは、森林所有者にとっての森林にかかわる主観的幸福度（森林幸福度）を非所有者との対比に基づいて検討する。昨年度の本大会では自然資本、人工資本と森林幸福度の関連について報告したのに対し、今回は森林所有が森林幸福度に及ぼす影響を検討する。

Community actions against anticommons in contemporary Japan: Case studies of former commons forests International conference

Takahashi, T., K. Matsushita, and T. Nishimura

International Association for the Study of Commons Global Conference 2019.7 International Association for the Study of Commons

Language：English Presentation type：Oral presentation (general)

Venue：Lima, Peru

Over the past few decades, many Japanese forest owners and communities have suffered from the outcomes of anticommons policy. Since the Edo Era (17th through 19th centuries), many Japanese commons forests have been subdivided and placed under private ownership.
Due to recent unfavorable conditions for timber production in Japan, individual owners of the subdivided small forests (carved out from former commons forests) have lost interest in forestry, resulting in unclear borders. Many owners have relocated outside the villages and/or have passed the land down through generations, resulting in unknown ownership. Such ambiguity regarding forest ownership hinders further forest management activities.
Fortunately, there are several ways to ameliorate the anticommons phenomenon in Japan, as illustrated by these examples. 1) Despite the expense, a residents’ association successfully re-appropriated co-ownership land by “technically” suing the current respective co-owners. 2) Some residents’ associations collectively manage subdivided forests as one unit to reduce the damage caused by animals such as wild boars or deer. However, the units are still legally separate and owned by individuals. 3) A residents’ association stipulated that a vacating resident must sell her forest to the remaining residents. This type of rule (iriai), though alien to the modern notion of permanent ownership, was once customary in Japanese villages.
These three cases show how motivations, other than profits, could help address the anticommons phenomenon. These motivations include the intent to keep the community’s holding intact in the event of consolidation at the municipality level, to protect the land against pest animals, and to keep the community’s drinking water pure. These community actions against anticommons were made possible by support such as funding or external expertise. Funding from outside sources, such as rent revenues from a resort company renting the commons land or subsidies from the national and local governments, were indispensable for carrying out some of these communities’ actions. In some of these cases, external administrative and legal expertise, such as employees of local governments, a forestry cooperative, or lawyers, was an important factor in making these actions possible.
In addition, the existing challenges of these communities should be noted. The first community still faces depopulation and is examining how to deal with this problem. The applicability of the second case (community-wide forest management to reduce damage by wild animals) is limited to forests with relatively low economic values. It is difficult to manage separate, private forests with relatively high economic values as one unit since the owners have high stakes in their properties. Considering these challenges, researchers and policy makers should strive to find more innovative solutions for addressing them.

Economic Valuation of Ecosystem Services: Current Status and Challenges of TEEB

Takuya Takahashi

CEIS Salon on the Environment No. 141 2019.4 Center for Environmental Information Science

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