This book introduces the fundamental concepts and dimensions of biodiversity and presents the main scientific approaches used to study and evaluate it. It discusses quantitative, qualitative, and economic methods of biodiversity assessment, along with practical tools such as field sampling, species identification, vegetation mapping, and biodiversity inventories.
The work also examines the major factors responsible for biodiversity variation and loss, including pollution, habitat destruction, overexploitation of species, invasive species, natural disturbances, and climate change. In addition, it provides an overview of the current state of biodiversity at global, African, and Algerian levels, highlighting conservation efforts and legal frameworks for its protection.
By linking biodiversity with global environmental change and the Earth system, this book offers essential knowledge for students, researchers, and environmental professionals.