Research & reports

Guolin XU, Shigeto YANAI · Japanese Journal of Landscape Architecture · Japan (Yokohama City)

This study investigated the utilization characteristics of agricultural activity spaces in urban parks, focusing on parks with allotment gardens in Yokohama City, Japan. Using the line transect method for behavioral observation, the study identified user characteristics and types of use. The results indicated that establishing agricultural activity spaces within urban parks promotes park use among older adults, may contribute to functional specialization by providing targeted health promotion and recreational functions for the elderly, and increases visitors’ length of stay.

Naomi Shimpo · · Japan (Kobe City)

This chapter presents two case studies of community gardens in old neighborhoods of Kobe City, Japan, to demonstrate their establishment process and the social connections formed. Community gardens serve as open spaces for evacuation and food sources after earthquakes, and daily gardening activities can build social capital crucial for mutual aid in a crisis. The cases illustrate the potential for social capital building through community gardening, particularly for foreign and elderly residents, and highlight the need for city government support for such bottom-up disaster preparedness efforts.

李　錦東 · Institutional Repositories DataBase (IRDB) · Japan (Kitakyushu)

Kitakyushu City has faced challenges due to continuous population decline and aging since the 1980s, while some shrinking cities abroad have used urban agriculture to solve local issues. This study conducted a questionnaire survey targeting Kitakyushu citizens to clarify the current status and needs regarding their urban agricultural activities. The research aims to provide considerations for promoting urban agricultural activities in Kitakyushu.

YUKUN, HE, HE, YUZHONG, Kiyoyama, Yohei, Ishida, Shigeyuki, Hama-cha Co-Creation Team · Zenodo (CERN European Organization for Nuclear Research) · Japan (Kyoto)

This paper documents a 2024–2025 field practice concerning Hama-cha, a traditional tencha in Kyoto, which faces threats from labor aging and persistent operational difficulties. Researchers encountered challenges in accessing tacit knowledge and identifying clear solutions for labor shortages, despite both farmers and researchers recognizing the problem. The study highlights the ongoing operational difficulties and lack of clear solutions for the economic viability of this traditional urban agriculture practice.

Mariia Ermilova, Mitsunari Terada, Isami Kinoshita · · Japan (Tokyo)

From March 2016 to 2021, a five-year action research project was conducted in Matsudo, a Tokyo suburb, Japan, by two PhD students from Chiba University in collaboration with a local neighborhood association. Through cultivating culturally significant plants like herbs, vegetables, and flowers, and utilizing them for crafts and cosmetics, local women, the elderly, and children developed new skills, gained financial support, and social confidence. These activities expanded from edible landscape cultivation in planters to the creation of eight gardens, providing alternative forms of community participation.

Kimihiro Hino, Takahiro Yamazaki, Akiko Iida, Kentaro Harada, Makoto Yokohari · Landscape and Urban Planning · Japan (Tokyo)

This study evaluated the contribution of five types of activities in productive urban landscapes (PULs) to physical activity among 80 Tokyo residents using accelerometers and activity diaries. Older participants frequently engaged in these activities, spending a high percentage of their total energy expenditure, with satoyama woodlands averaging approximately one-third of national weekly recommendations for older adults. Total daily energy expenditure was significantly higher on workdays (1.18 to 1.36 times non-workdays), and hourly energy expenditure in PULs was comparable to public parks.

· Journal of Clinical Medicine · Japan

An RCT assigned 89 older adults with depressive symptoms and mild memory decline to exercise, horticultural, or control groups; the horticultural program comprised 20 weekly 90-minute sessions of field cultivation, growing, and harvesting.

Tomoko Imoto, Nobutaka ISHITSUKA, Cheligeer, Kiyohide Morita · JOURNAL OF RURAL SOCIETY AND ECONOMICS · Japan

This study investigated allotment garden use among child-rearing generations in Japan, identifying preferences for "free space (play area)," "staff to answer questions," and "events." A questionnaire survey of first-grade parents revealed a high potential demand for allotment gardens, with preferences for lower fees, play areas, cultivation guidance, and events. However, an analysis using a cross-effect model found a disconnect between preferences for garden use and food preferences, as those who buy domestic products generally did not value events, indicating a "food-agriculture gap."

藤井 至, 稲葉 修武, 藤田 武弘 · 農業市場研究 27巻1号 pp.12- · Japan

Based on hearings with all Nerima experience-farm operators and user surveys, this paper analyzes how publicly subsidised experience farms support farm management and community exchange, empirically showing effects on profitability, successors and local understanding.

Yoshifumi Ikejima · AgEcon Search (University of Minnesota, USA) · Japan

A geographic information system (GIS) study examined food access among urban residents in Japan, focusing on elderly residents, across two study areas. Approximately 60% of residents aged 65 or older were found to live far from food stores needed for daily shopping, and the study identified nearby farmer-owned produce stands and farmers' markets as local agricultural outlets that could improve access to fresh food.

Daisuke Machida, Tohru Yoshida · PubMed · Japan

A cross-sectional study in Gunma Prefecture, Japan, investigated the relationship between fruit and vegetable (FV) gardening and health-related factors among men aged 50-74. Community gardeners showed significant positive correlations between gardening frequency/time and perceived changes in FV intake and physical activity. Logistic regression models indicated that community gardeners had significantly greater physical activity, and other types of gardeners had greater FV intake, perceived neighborhood social cohesion, and less sitting time compared to non-gardeners.

Nobuyuki MINO, Isao NAKASE · Journal of The Japanese Institute of Landscape Architecture · Japan

A study investigated the usage patterns of allotment gardens in Hyogo Prefecture, Japan. In urban allotment gardens, users were predominantly in their 60s, utilized gardens frequently and from nearby, and derived satisfaction primarily from agriculture and forestry. In multi-natural residential areas, users were slightly younger, mainly in their 50s, engaged in more diverse uses, and found satisfaction not only from agriculture and forestry but also from landscape and community interaction. From these findings, it was considered that allotment gardens in multi-natural residential areas have the potential to be a core for urban-rural exchange, with agriculture, forestry, and the surrounding environment functioning as mediators.

Yasunari Miyake · JOURNAL OF RURAL PLANNING ASSOCIATION · Japan

This study used a Geographic Information System to analyze the location of allotment gardens for elderly users in Gifu City, Japan, measuring both direct distance and road distance from users' homes to the gardens, and ran simulations of changes to garden provision. Increasing the number of garden plots and changing the composition of users shortened the user distance to some extent, while newly opening gardens in the city center — where none previously existed — greatly shortened the user distance.

Yasunari Miyake, Yasuo Matsumoto · JOURNAL OF RURAL PLANNING ASSOCIATION · Japan (Gifu)

This study investigated the user radius and attitudes of allotment garden users for the aged in Gifu City, Japan. The average user radius was 1,280m, with 10 out of 19 gardens having a radius of 1,000m or less. A significant negative correlation was found between user radius and residential density within 1km, and the absence of gardens in the city center led to an expansive user radius. Over 90% of users continued to use the gardens with high satisfaction, but distance significantly affected usage frequency and time spent, with assessments declining dramatically beyond 1,500m.