But development in the plains and logging in the mountains have reduced the wild population of jelly fig plants, and today most of the remaining ones are in state-owned forests. It has been the long-standing practice of the TFB to sell by tender the right to harvest jelly figs, to businesses which then employ aboriginal workers to harvest them.
而這原礦般的愛玉，由於平地開發與山區伐木的影響，如今多寄居在國有林地上，因此愛玉一直由林務局標售給商人，再雇用原住民採收。