sentences:  Regular fires have dominated fynbos for at least the past 12 000 years largely as a result of human activity.In 1495 Vasco da Gama named the South African coastline "Terra de Fume" because of the smoke he saw from numerous fires.This was originally probably to maintain a productive stock of edible bulbs (especially watsonians) and to facilitate hunting, and later, after the arrival of pastoralists, to provide fresh grazing after the rains.