Kenya Marine and Fisheries Research Institute, affiliation not provided to SSRN, Kenya Marine and Fisheries Research Institute, affiliation not provided to SSRN, The Nature Conservancy, The Nature Conservancy, Kenya Marine and Fisheries Research Institute, Kenya Marine and Fisheries Research Institute, Kenya Marine and Fisheries Research Institute, Kenya Marine and Fisheries Research Institute, Kenya Marine and Fisheries Research Institute, Kenya Marine and Fisheries Research Institute, Kenya Marine and Fisheries Research Institute, Kenya Marine and Fisheries Research Institute and The Nature Conservancy