These strange, sudden canopy gaps, called bais, are located only in the rainforests of the Congo Basin of west-central Africa ... producing models and maps of bais across the vast landscape ...

McGinn, Kathleen L., Anne Starks Acosta, Deborah M. Kolb, and Cailin B. Hammer. "Congo River Basin Project: Role for Dr. Campos." Harvard Business School Exercise 909 ...