Noted with interest

In Beyond the Sea, David Strayer presents an accessible introduction to the biology and ecology of inland waters, drawing on decades of research to highlight key examples from freshwater biodiversity, including how species adapt, evolve, and respond to human impacts.The book begins with a classification of lakes, rivers, wetlands, and groundwater systems, briefly touching on their physical and geological background, but these remain secondary to the core biological focus.The author presents freshwater systems as dynamic, diverse habitats that support remarkable life despite their limited spatial extent.Chapters in the middle of the book delve into species' ecological adaptations to challenges, such as drying, flow, and nutrient limitation.This is followed by an exploration of the links between isolation and biodiversity.Here, the author notes that although inland waters occupy only a small portion of Earth's surface, they harbor a disproportionately large share of unique species, and their spatial fragmentation increases their ecological vulnerability.Later sections address the pressures from pollution, habitat degradation, and climate change but offer cautious optimism through examples of conservation and restoration.The final chapter includes a recommended reading list, which provides useful guidance for those interested in more specialized study.Although the text is informative and often entertaining, one shortcoming is the lack of high-quality visuals.The black-and-white images are insufficient for such a vivid topic-color illustrations would have added depth and appeal.Still, the book succeeds as a clear, thought-provoking introduction to the hidden life of inland waters.It inspires curiosity and underscores the importance of protecting freshwater ecosystems.