1 Subjects: “...ecological emotions...”

2 Subjects: “...social-ecological system theory...”

3 Subjects: “...ecological niche theory...”

4 Subjects: “...ecological niche dynamics...”

5 Subjects: “...bio-ecological...”

6 Subjects: “...restoration ecology...”

7 Subjects: “...ecological environment...”

8 Subjects: “...social-ecological systems...”

9 Subjects: “...human health, human-nature connection theory...”