Clearspring nori sea vegetable is farmed and produced using traditional methods in kyushu japan while some varieties of sea vegetables such as hijiki arame and dulse are harvested from the wild using sustainable practices others such as nori are extensively cultivated in japan and other east asian countries although originally gathered wild nori has been cultivated in japan for over 300 years nets made of woven rope impregnated with nori spores are suspended each year between long bamboo