Chapter 1_ An Introduction to the Functions and Ecosystems Services associated with aquatic macrophytes -- Chapter 2_ Factors structuring Aquatic Macrophytes -- Chapter 3_ Aquatic Macrophytes: Ecology, Function and Services in Niger Delta, Nigeria -- Chapter 4_ Environmental and Ecological Importance of Indian Aquatic Macrophytes -- Chapter 5_ Macrophytes used as complementary medicines for curing human ailments to facilitate livelihood opportunities -- Chapter 6_ Macrophytes and their role in wetland ecosystems -- Chapter 7_ Ecotoxicology of REEs in aquatic macrophytes and prospect for bioremediation of REEs -- Chapter 8_ Efficiency of Aquatic Plants for Remediation of Wastewater -- Chapter 9_ Phytoremediation of organic contaminants: An ecofriendly approach based application of aquatic macrophytes -- Chapter 10_ Remediation of heavy metals by different aquatic macrophytes -- Chapter 11_ Translocations of heavy metals in aquatic macrophytes naturally grown in the riverine ecosystem -- Chapter 12_ Enhanced Effluent Treatment and Bioelectricity Generation Using Coupled Constructed Wetland-Microbial Fuel Cell (CW-MFC) Technology: Challenges and Opportunities -- Chapter 13_ Role of microbial communities and aquatic macrophytes in constructed wetlands for tannery wastewater treatment: Challenges and opportunities -- Chapter 14_ Role of plant-bacteria association in constructed wetlands for the removal of iron (Fe) from contaminated water. .