The practice of preventing soil erosion and managing water resources to protect the natural environment; includes methods such as planting trees, building terraces, and improving farming techniques.

The loss of fertile topsoil caused by water or wind; soil erosion.

to fail to adapt to a new environment, such as the local climate or diet; to feel ill or uncomfortable due to a change in surroundings

to be unaccustomed to the climate, water, food, or general environment of a new place

to get used to the climate and environment of a new place

The Seaboard Geographic Gazetteer, a historical geography book written around 275 AD by [[沈莹|沈瑩|shen3 ying2]] during the Three Kingdoms period