Biodiversity

Basic Approach

At Daifuku's Shiga Works, each and every employee has developed an awareness of coexistence with the natural environment through working in an environment surrounded by abundant greenery. The Yui Project, a biodiversity preservation program launched in 2014, aims to create three bonds (yui) that connect water with greenery, people with nature, and people to people so that the vast natural environment on the 1.2 million square meter Shiga Works site can be preserved. To this end, we are working to protect the rare species that have been identified on site.
In the Daifuku Environmental Vision 2050, revised in 2023, coexisting with nature is established as one of our critical issue areas, and we are working to minimize any negative impacts our business activities may have on natural capital. In order to promote sustainable use of ecosystem services and conserve biodiversity, we will continue to enhance our activities on a global scale.

Major Initiatives

The relationship between Daifuku and biodiversity

In order to clarify the relationship between business activities and ecosystems, Daifuku has mapped the interaction of product processes, land use, and other aspects with ecosystems. Based on this map, Daifuku notes the impact on ecosystems by the land use at Shiga Works, which is endowed with abundant nature, and is conducting business activities that take biodiversity into account.

Conservation activities at Shiga Works

In terms of site area, Shiga Works is one of the largest in Shiga Prefecture. A survey of ecosystems within Shiga Works confirmed more than 1,000 native species as well as over 70 species of wildlife listed in the Japanese Red List (compiled and maintained by the Ministry of the Environment) and the Shiga Prefecture Red Data Book. In order to preserve this precious natural environment for future generations, we are pursuing various conservation initiatives through the Yui Project*, which promotes communication both within and outside the company.

  • *Yui means “to bring together," and the project is a compilation of various activities that connect water with greenery, people with nature, and people to people.

Results of ecosystems survey (endangered species)

Listed below are the species of wildlife that inhabit or grow within the Shiga Works premises and are classified as endangered in the Japanese Red List 2020.

Japanese Red List 2020
Threatened - Vulnerable (VU): Species with a high risk of extinction in the wild.
Near Threatened (NT): Species that do not qualify as threatened at present but may be vulnerable to endangerment in the near future.

(As of April 2023)

Category Classification Species Number of species
Threatened - Vulnerable (VU) Birds Peregrine falcon 1
Amphibians Yamato salamander 1
Insects Polyrhachis lamellidens (spiny ant) 1
Plants Golden orchid, Chinese bellflower 2
Near Threatened (NT) Birds Greater white-fronted goose, crested honey buzzard, Eurasian sparrowhawk, northern goshawk 4
Reptiles Japanese pond turtle 1
Amphibians Black-spotted pond frog 1
Insects Aeschnophlebia anisoptera (dragonfly), asiagomphus pryeri (dragonfly), trigomphus interruptus (dragonfly), trigomphus ogumai (dragonfly), xenocorixa vittipennis (water boatman), catocala actaea (moth), helochares striatus (water beetle), laccobius inopinus (water beetle), bombus ignitus (bumblebee) 9
Plants Agrostis valvata, yellow bladderwort 2
Total 22
  • Peregrine falcon

    Peregrine falcon

  • Chinese bellflower

    Chinese bellflower

  • Japanese pond turtle

    Japanese pond turtle

  • Trigomphus ogumai

    Trigomphus ogumai

  • Golden orchid

    Golden orchid

  • Black-spotted pond frog

    Black-spotted pond frog

  • Polyrhachis lamellidens

    Polyrhachis lamellidens

  • Yellow bladderwort

    Yellow bladderwort

Yui no Mori

As part of the Yui Project, we constructed Yui no Mori (yui means “bring together” and mori means “forest”), which is located within Shiga Works and comprised of conservation ponds, a learning center, and more. It is used as a place for learning within and outside the company, as well as for the biodiversity conservation of plants and animals such as a Japanese red pine forest unique to the region and the rare species of Yamato salamander. In fiscal 2021, we removed dead pine trees and laid woodchips along the Yui no Mori roadside.

Breeding of Yamato salamanders in conservation ponds (artificial ponds)

  • Conservation pond

    Conservation pond

  • Salamander eggs in the conservation pond

    Salamander eggs in the conservation pond

  • Adult Yamato salamander

    Adult Yamato salamander

We are working to preserve the endangered Yamato salamander. To ensure a stable habitat, a conservation pond was constructed in 2014, and we have been relocating larvae and eggs that inhabit the Shiga Works premises since. In fiscal 2021, we confirmed the first spawning and hatching to have occurred in the conservation pond, and we have verified that this happened again in fiscal 2022. Furthermore, since the redevelopment of Shiga Works could lead to a reduced habitat for the Yamato salamander, in fiscal 2023 we created a new habitat in addition to the conservation pond and released larvae into it.

Creating opportunities for interacting with nature

At Shiga Works, we hold nature observation events with experts so that employees have opportunities to interact with the many plants and animals that inhabit the area. We also hold events such as Christmas wreath making and moss ball making using natural materials procured on site. In fiscal 2023, we are planning to hold nature observation and Christmas wreath making events.

Collaborations with local communities

Participation in the Shiga Green-activity Network’s Biodiversity, Environment, and CSR Research Association

Seminar
Seminar

The Biodiversity, Environment, and CSR Research Association is a working group established within the Shiga Green-activity Network, and Daifuku has participated as a founding member since 2015. The association plans and holds seminars and other events for members intended to facilitate learning about the basics of biodiversity, create opportunities to learn about the latest CSR trends centered on the field of biodiversity, and encourage communication between association members.

Participation in the Biodiversity Biwako Network's dragonfly conservation efforts through corporate collaboration

Planning exhibit (Lake Biwa Museum)
Special exhibit (Lake Biwa Museum)

In 2016, neighboring companies* of Shiga Works launched the Biodiversity Biwako Network, which is engaged in biodiversity conservation activities using the 100 dragonfly species confirmed in the prefecture as indicators. The project, entitled Operation Dragonfly 100: Save Shiga's Dragonflies, has three strategies: search for the 100 dragonfly species in Shiga Prefecture, protect them, and educate the public about them. We are also engaged in regular monitoring at the company site, maintenance of biotopes and extermination of invasive alien species, nature observation meetings, exhibitions and presentations of our activities, as well as understanding of the current state of nature in the surrounding area.

  • *Currently, these 6 companies are actively involved: Asahi Kasei Corporation, Asahi Kasei Juko Co., Ltd., Sekisui Chemical Co., Ltd., Sekisui Jushi Corporation, Daihatsu Motor Co., Ltd., and Daifuku Co., Ltd.

Declaration of Support for Osaka Biodiversity

Seminar
Osaka Biodiversity

Daifuku Group company Contec Co., Ltd. endorses Osaka Prefecture’s biodiversity preservation activities. In 2023, we submitted a Declaration of Support for Osaka Biodiversity to the Osaka Prefectural Government, and its registration has been approved. This registration system enables the Osaka Prefectural Government to support the efforts of companies and organizations within the prefecture that declare their commitment to actively work toward conserving biodiversity.

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