In the past, hunting was a major source of food, so the hunting grounds were like a warehouse and thus very important. Anthropologists have found that one of the main causes of aboriginal head-hunting attacks on Han Chinese in the past was defense of hunting grounds.
過去狩獵是食物主要來源，獵區形同穀倉，事關重大，今天人類學者發現，維護獵區是過去許多部族「出草」的理由。