東京23区の住民で過去1年間に森林を訪れたのは3人に1人~森林空間利用を促すには何が必要なのか?~

2025-07-29 森林総合研究所

国立研究開発法人森林総合研究所が東京23区の住民5,000人を対象に行った調査で、森林に関心がある人は51.9%だったが、実際に過去1年で訪れた人は35.6%にとどまった。森林訪問を促す主な要因は、旅先で景色の良い場所を散策する経験や、幼少期の自然体験、日常的な景色の良い散歩習慣であった。一方、車を持たない世帯や高齢者は訪問頻度が低かった。都市住民の森林利用を進めるには、アクセス改善が鍵となる。結果はForests誌に掲載された。

東京23区の住民で過去1年間に森林を訪れたのは3人に1人~森林空間利用を促すには何が必要なのか?~
図1 森林への訪問に結びつく要因と、その因果関係

<関連情報>

森林への関心と訪問を左右する主要因の解明:持続可能な森林利用に向けた効果的な戦略の構築を目指して Unveiling Key Factors Shaping Forest Interest and Visits: Toward Effective Strategies for Sustainable Forest Use

Kimisato Oda,Kazushige Yamaki,Asako Miyamoto,Keita Otsuka,Shoma Jingu,Yuichiro Hirano,Mariko Inoue,Toshiya Matsuura,Kazuhiko Saito andNorimasa Takayama
Forests  Published: 23 April 2025
DOI:https://doi.org/10.3390/f16050714

Abstract

This study investigates the factors influencing urban residents’ interest in and visits to forests and explores strategies to promote forest space utilization. A survey was conducted among 5000 residents of Tokyo’s 23 wards, one of the world’s most densely populated urban areas, using an online questionnaire. The collected data were analyzed using least absolute shrinkage, selection operator (LASSO) logistic regression, and piecewise structural equation modeling (pSEM). The analysis revealed that nature experiences in current travel destinations, particularly scenic walks, had a significant positive effect on both forest interest (standardized path coefficient = 0.19) and forest visits (0.30). These experiences were also significantly influenced by childhood nature experiences and frequent local walks. Conversely, factors negatively affecting forest visits included the lack of private vehicle ownership (−0.13) and increasing age (−0.21). While previous studies suggest that older individuals tend to visit natural areas more frequently, our findings indicate the opposite trend. One possible explanation is the low car ownership rate among Tokyo residents, which may limit accessibility to forests. These findings provide valuable insights for policy design, particularly regarding strategies to enhance forest accessibility and engagement among urban populations.

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