This book offers an in-depth examination of wetland ecosystems, delving into their intricacies from three critical perspectives—limnological, bio-geochemical, and economic. It takes an interdisciplinary approach, seamlessly merging insights from limnology and bio-geochemistry to provide readers with a comprehensive understanding of the complex interactions between organisms and chemical processes in wetlands. It notably emphasizes the economic significance of wetlands, advocating for sustainable practices to preserve their value. This aspect makes the book a valuable resource for policymakers, stakeholders, and professionals involved in wetland conservation. It addresses contemporary issues like nutrient cycling, pollutant dynamics, and the role of wetlands in climate regulation by incorporating the latest research and case studies in the field. The book will equip readers with up-to-date insights into the challenges and opportunities surrounding wetland ecosystems.