Plant behaviour from human imprints and the cultivation of wild cereals in Holocene Sahara.

摘要: The human selection of food plants cannot always have been aimed exclusively at isolating the traits typical domesticated species today. Each phase global change must obliged and humans to cope with develop innovative adaptive strategies. Hundreds thousands wild cereal seeds from Holocene 'green Sahara' tell a story cultural trajectories environmental instability revealing that complex suite weediness were preferred by both hunter-gatherers pastoralists. archaeobotanical record Takarkori rockshelter in southwest Libya covering four millennia occupation central Sahara gives us unique insight into long-term plant manipulation cultivation without domestication. success number millets was rooted their invasive-opportunistic behaviour, rewarded during coexistence people Africa. These selected for features precious past but pernicious agriculture Reconnecting practices modern farming strategies can help seek out best resources future.