Except for those natural reservations that are set up by law disseminating in special cities, the stress and optimization developing zones are mainly in the middle and east of Shandong Province, while the limit developing zones spread in the western part.

• 该研究以期为山东省制定差别化区域政策、统筹区域可持续发展提供战略指导，并为我国主体功能区划分提供理论参考。