Final answer:
Nomadic herding, also known as pastoralism, is the wandering but controlled movement of livestock that depends on natural forage for survival. It involves the constant migration of herds to search for fresh grazing pastureland.
Step-by-step explanation:
The wandering but controlled movement of livestock that depends on natural forage for survival is called nomadic herding. Nomadic herding involves the constant migration of herds to search for fresh grazing pastureland. This form of agriculture, also known as pastoralism, is practiced in regions where crop agriculture is not viable, such as drylands or areas with extreme weather conditions.