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The Intertidal Zone

Life on the Edge
Author: Ruth Searle
Published: 2026
Format: Paperback, 272 pages
Size: 198 × 129 × 20 mm
Regular price £1099
Tax included

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Marine biology of the intertidal zone

A marine biologist's exploration of the intertidal zone, covering its geological history, tidal mechanics, evolutionary adaptations and the impact of climate change on coastal ecosystems.

Where the land meets the sea, life clings to the margins in a world of relentless change. The intertidal zone is a place of extremes – where creatures endure crashing waves, scorching sun, and the constant ebb and flow of the tides. It is a place of resilience and adaptation and home to some of the most extraordinary organisms on the planet.

Blending marine biology, oceanography and evolutionary science, marine biologist Ruth Searle takes us on a journey through the deep history of the intertidal zone – from its ancient origins as the possible cradle of life to the remarkable adaptations of the species that inhabit it today. Exploring the geological forces that shape coastlines, the mechanics of tides and waves, and the evolutionary arms race that has unfolded on the shore, this book reveals how the intertidal zone has not only survived mass extinctions but has driven some of nature's most extraordinary innovations.

The Intertidal Zone: Life on the Edge is a celebration of one of Earth's most dynamic ecosystems – its beauty, its mysteries, and its fragility. As climate change and human activity reshape coastlines across the planet, understanding this environment has never been more urgent.

About the Author

Ruth Searle had a long career in nursing before following her dream to become a marine biologist. She has a PhD for her humpback whale research and spent many happy hours swimming with whales and diving with sharks. She lives in the beautiful Monmouthshire countryside with her husband and cats.

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