Kumagai Gumi (1861) · InitiativeAdvanced
Certification and Deployment of Firefly Biotope Technology
First written in FY2016. 1 of 3 entries say "Dropped", first in FY2017. Latest entry: FY2026.
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- FY2026AdvancedAnnual report
「The JHEP certification obtained in 2015 was renewed in November 2025.」
Following a period without disclosure on the Oyama Dam biotope, JHEP certification was renewed in November 2025, with the site again receiving an A+ rating in the continuing assessment. Conservation management will continue, with the aim of contributing to the conservation and restoration of biodiversity. - FY2017DroppedAnnual report本有価証券報告書の研究開発活動の主な記載には、ホタルビオトープ技術の認証取得・展開に関する記載が見当たらない。継続・撤回自体は明記されていない。
- FY2016First statedAnnual report
「Using 2008, the year the Oyama Dam firefly biotope was completed, as the base year, the project's biodiversity value (habitat evaluation value) was compared with the average value for the preceding 30 years and the projected value 50 years after implementation. The assessment resulted in an A+ rating, making it the first JHEP-certified biotope in Japan incorporating a wetland environment inhabited by fireflies.」
The Group obtained Japan's first JHEP certification for a firefly-focused biotope and planned to deploy the technology at dams, tunnels and urban building rooftops.