Research on construction and management of nature reserves of forestry system in Guangdong province 并列题名：Research on construction and management of nature reserves of forestry system in Guangdong province Research on construction and management of ecological forests in Guangdong province 并列题名：Research on construction and management of ecological forests in Guangdong province Research on the sustainable development of hot springs resort in Guangdong province Research on the reform of public expenditure management system in Guangdong province Research on evaluation and cultivation of core competitiveness of strategic emerging industries in Guangdong province Research on construction and management of Guangdong science center Study on nutrient management of camellia oleifera plantation in Guangdong province