Its survival depends on protection of wetlands, prevention of indiscriminate trapping, snaring and poisoning. They lived through a combination of fishing, trapping, hunting, and farming. Early settlers relied on hunting, fishing, trapping, and foraging to supplement their diets and incomes. The most common forms are trapping, calling, and hound hunting. They traded with Native Americans from whom they learned hunting and trapping skills. Fishing techniques include hand gathering, spearfishing, netting, angling and trapping. There are many different types of sai with varying prongs for trapping and blocking. Creating minor collapses in the cavern thus trapping Cath, separating her from the remaining group. The traditional industries of trapping and fishing have declined. It involves the wrestler trapping the opponent in a corner. An example of this is the phenomenon of electrostatic trapping. Records of cultivated plants trapping small birds have been made. The differences are also attributed to oceanic heat transfer and differing extents of greenhouse trapping. Attempts to reduce numbers by trapping and poisoning have had some success. He made a living in construction, fishing, trapping and gold mining.