This report covers the second conference supported by the Alfred P. Sloan Foundation's Known, Unknown and Unknowable Program. The conference goal is to explore the structure and limits to knowledge of marine ecosystems and implications of the state of our knowledge to research, policy and society at large.
This conference highlighted the importance of understanding past ecosystems and how they have changed, and asked how we can make use of this historical perspective to better understand the present and to safeguard and manage to future.
