The book "Comparative productivity and energy efficiency of natural and anthropogenically modified ecosystems of the forest-steppe Volga" by Alexander Viktorovich Karpov is a deep and fascinating study that immerses the reader in the world of ecology, biology and environmental management. This work will become an indispensable source of knowledge for students, scientists, environmentalists and anyone interested in the interaction of man and nature. In his book, Karpov sets an ambitious task: to analyze and compare the productivity and energy efficiency of both natural and anthropogenically modified ecosystems of the forest-steppe of the Volga region. The author draws attention to how human activity affects natural processes and how this, in turn, affects ecosystems. It explores how various factors from agriculture to urbanization alter the balance of nature, and what implications this may have for biodiversity and ecosystem sustainability. The book will be of interest to a wide range of readers, including students and teachers of environmental and biological faculties, researchers in the field of natural sciences, as well as practitioners working in the field of environmental protection. It is suitable for those who want to understand more deeply how anthropogenic factors affect nature, and how to minimize the negative consequences of human activity. The book can also attract the attention of nature lovers and anyone interested in sustainable development and environmental protection. The topics raised in the book are relevant and important in light of contemporary environmental challenges. Karpov not only describes the facts, but also invites the reader to think about how our actions can change the future of the planet. It focuses on the need for conservation and sustainable use of natural resources, making the book particularly valuable in the context of global climate change and biodiversity loss. The style of Alexander Viktorovich Karpov is distinguished by scientific rigor and accessibility of the presentation . It masterfully combines complex scientific concepts with understandable language, which allows the reader not only to assimilate information, but also to enjoy the reading process. In his works there is always a deep analysis and critical thinking, which makes them not only informative, but also inspiring. The book "Comparative productivity and energy efficiency of natural and anthropogenically modified ecosystems of the forest-steppe Volga" is not just a scientific work, but a call to action. It encourages the reader to think about his place in nature and how his choices can affect the world around him. If you are looking for a work that will help you better understand the complex relationship between man and nature, this edition will be a real find for you. In conclusion, “Comparative productivity and energy efficiency of natural and anthropogenically modified ecosystems of the forest-steppe Volga” is a book that will not leave indifferent any reader seeking knowledge and conscious interaction with the outside world. It inspires reflection and action, calling us to a more harmonious coexistence with nature.