1 Subjects: “...ecological barrier area in the upper reaches of the Yangtze River...”

2 Subjects: “...main grain-producing areas...”

3 Subjects: “...flood-prone areas...”

4 Subjects: “...high density residential areas...”

5 Subjects: “...coastal areas...”

6 Subjects: “...coastal areas...”

7 Subjects: “...leaf area index (LAI)...”

8 Subjects: “...spatial area division...”

9 Subjects: “...hypothetical urban areas...”

10 Subjects: “...natural protected areas...”

11 Subjects: “...leaf area...”

12 Subjects: “...leaf area...”

13 Subjects: “...leaf area...”

14 “...The use of Advanced Oxidation Technologies (AOTs) for wastewater treatment is an important area...”

15 “... in well-studied areas, expeditions to unsurveyed areas or environments, or the use of novel techniques...”

16 “... actively discussed in this book, research and development in multi-dimensional undeveloped areas...”

17 “..., but not limited to, the following areas: the effect of feeding on poultry meat end egg quality; nutrient...”

18 “... research areas, from the otolith macro- to the microstructure and microchemistry, analyzing different types...”

19 “...Rabbit breeding, although being a small sector of animal husbandry, is widespread in many areas...”

20 “... challenges in critical areas such as energy and health....”