1 Subjects: “...urban parks...”

2 Subjects: “...urban renewal...”

3 Subjects: “...urban forest...”

4 Subjects: “...sustainable urban governance...”

5 Subjects: “...Urban waste management...”

6 Subjects: “...urban metabolism...”

7 Subjects: “...urban governance...”

8 Subjects: “...urbanization...”

9 Subjects: “...hydrosocial urban cycle...”

10 Subjects: “...urban expansion...”

11 Subjects: “...urban watersheds...”

12 Subjects: “...rural-urban interaction...”

13 Subjects: “...urban ecology...”

14 Subjects: “...rural to urban land conversion...”

15 Subjects: “...urban solid waste...”

16 Subjects: “...Guangxi Beibu Gulf urban agglomeration (GBG_UA)...”

17 Subjects: “...Guangxi Beibu Gulf urban agglomeration (GBG_UA)...”

18 Subjects: “...urban sustainability...”

19 Subjects: “...urban agriculture...”