Factory ammo or reloading? I am assuming Factory and would think Rem Corelokt would be good or if premium factory ammo is sought Federal or Hornady high energy's pushing Nosler or Trophy Bonded Bear Claws.
I shot a bear with an 06 using 180 gr nosler partitions high energy. Not sure if you need that much fire power but, I happen to be elk hunting at the same time. The shot I took was a quartering away shot and got him in the lungs and off shoulder. He only went about 25 yrds.
A perk of majoring in wildlife biology in college is the plethora of hunting knowledge that you collect throughout your course load. One of the most important factors in whether an area can hold large quantities of animals or produce large antlers is forage.
Most universities, state schools and even community colleges offer basic botany courses and plant ID courses. Although it might not be feasable for the average middle age hunter to pay tuition and go back to college to learn hunting...