Marine Mammals

Book Abstract

This book offers a broad perspective on marine mammal species and populations considered to be most at risk due to human activities. It emphasizes the importance of understanding the essential biology and ecology of marine mammals to assess the correlates and causes of extinction and to implement science-based conservation. Chapters address such topics as different types of marine mammals and their importance to the ecosystem of the world?s oceans and food cycles, lactation in marine mammals, dolphin survival rates and causes of movement reduction in Bangladesh, and much more. Marine mammals are,in short, catalytic species. Thus, knowledge of areas that are important for them will facilitate the balancing of human uses of the ocean with the imperative of conserving marine biodiversity.Marine mammals are highly consumed animals of marine creatures production at the different levels specially utmost trophic type from initial production as sea-cows or sirenians, are an order of fully aquatic, herbivorous mammals) to predatory fish and some other types of marine mammals, such as the polar bear, some whales, and dolphins.