Is duck harvest mortality additive or compensatory? Is duck production strongly or weakly density dependent? Which habitat features most influence duck production? And how are optimal duck harvest regulations selected in the face of this imperfect knowledge? The DU Podcast is again thankful to be joined by Dr. Jim Nichols, retired senior scientist and Adaptive Harvest Management expert, to dig deeper into the workings of AHM and how annual duck regulations are selected. www.ducks.org/DUPodcast