Preserving Biodiversity

Mapping the relationship between the NYK Group and biodiversity

NYK have created the below map that shows the impacts on biodiversity of shipping through its lifecycle, and our related efforts, with reference to the “Map of the Relationship between Business and Biodiversity” developed by the Japan Business Initiative for Conservation and Sustainable Use of Biodiversity (JBIB). Recognizing our business activities could affect biodiversity in the entire lifecycle of sourcing, operating and dismantling ships, we will continuously take proactive measures.


Participated as a Promotion Partner of the “Declaration on Biodiversity by Nippon Keidanren”

NYK agreed with the declaration and participated as a “Promotion Partner” in December 2010 and also took part in “Japan Business and Biodiversity Partnership in October 2010. In line with the declaration and guidelines, we will conduct our business activities.

Declaration on Biodiversity by Nippon Keidanren (Summary)

  1. Appreciate nature's gifts and aim for corporate activities in harmony with the natural environment
  2. Act from a global perspective on the biodiversity crisis
  3. Act voluntarily and steadily to contribute to biodiversity
  4. Promote corporate management for sustainable resource use
  5. Create an industry, lifestyle and culture that will learn from biodiversity
  6. Collaborate with relevant international and national organizations
  7. Spearhead activities to build a society that will nurture biodiversity

Ballast Water Management to Preserve Biological Diversity

To prevent the cross-boundary movement of aquatic organism affecting the marine environment, in 2004 the IMO adopted the International Convention for the Control and Management of Ship's Ballast Water and Sediments. This convention entered into force in September 2017. Ahead of enforcement of the convention, the NYK Group began equipping its car carriers with a ballast water management system* that had received formal approval from Japan’s Ministry of Land, Infrastructure, Transport and Tourism in 2010. In fact, 82 of NYK’s owned and directly managed vessels had ballast water management systems as of the end of March 2018.

* Ballast Water Management System
Seawater (ballast water) is used in ships to maintain ship strength and stability, but oceangoing vessels transport not only the ballast water but also the marine organisms within. A ballast water management system is a system that disinfects organisms and pathogens found within ballast water, using various treatment methods, to prevent the disturbance of an ecosystem.
Figure Figure

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