1 Subjects: “...urban ecology...”

2 Subjects: “...ecological status...”

3 Subjects: “...ecology...”

4 Subjects: “...microbial ecology...”

5 Subjects: “...microbial ecology...”

6 Subjects: “...microbial ecology...”

7 “... biological productivity and the strongest ecological effect, but can also maintain carbon and oxygen balance...”

8 “... and ecological adaption of plants to heterogeneous karst environments, and also explore how to extend the service...”