Using stable isotopes as tools to solve the Rumsfeld matrix in ecology
Abstract: Although not the original thinker behind the philosophical approach, US hawk Donald Rumsfeld famously categorised information into “known knowns, known unknowns, unknown knowns, and unknown unknowns”. Although his comments were treated with disdain at the time, after 20 years I have come to grudgingly accept that this way of thinking parallels the experience of many environmental scientists, for example those working on problems of the function, evolution and conservation of the natural populations of animals on which we rely on as humans. In this talk, I will introduce a series of field-based studies where stable isotopes have proven to be fundamental in helping us to identify and examine some known knowns, known unknowns, unknown knowns, and unknown unknowns in aquatic ecology.
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