Small Cetaceans of Japan: Exploitation and Biology

This book provides a comprehensive summary and analysis of the biology, ecology, exploitation, and management of small cetaceans in Japan. It highlights the historical development of cetacean fisheries, the life histories and ecologies of the main species involved, and the challenges of conservation and management. The data indicate that in some cases, the number of small cetaceans harvested exceeds sustainable limits, leading to population depletion. The book serves as a case study of the potential conflicts between industry and conservation and offers valuable insights into the conservation and management of marine ecosystems.

Format: Paperback / softback
Length: 512 pages
Publication date: 02 August 2021
Publisher: Taylor & Francis Ltd

This comprehensive book delves into the intricate world of small cetaceans in Japan, encompassing their biology, ecology, exploitation, and management. It offers a detailed account of the diverse types of cetacean fisheries in Japan, tracing their historical development and examining the life histories and ecologies of the primary species involved. Furthermore, it delves into the challenges and complexities of conservation and management, highlighting instances where the harvesting of small cetaceans has exceeded sustainable limits, resulting in population depletion. Through a case study approach, the book sheds light on the potential conflicts that arise when the demands of industry and conservation collide, emphasizing the importance of finding sustainable solutions for the preservation of these remarkable creatures. The comprehensive descriptions of life history and ecology provided in the book have far-reaching implications, not only for the conservation of small cetaceans but also for all fisheries worldwide. By shedding light on the unique challenges and opportunities faced by small cetacean populations, this book serves as a valuable resource for researchers, policymakers, and conservationists alike.

Introduction:
Small cetaceans, including dolphins, whales, and porpoises, play a vital role in marine ecosystems, contributing to biodiversity, ecosystem health, and human well-being. Japan, as a country with a rich marine heritage and a significant cetacean population, has taken steps to study and manage these species. This book aims to summarize and analyze the biology, ecology, exploitation, and management of small cetaceans in Japan, providing a comprehensive understanding of their status and conservation challenges.
Types of Cetacean Fisheries in Japan:
Japan has a long history of cetacean fishing, with various types of fisheries operating in its waters. These fisheries include commercial fishing, recreational fishing, and research fishing. Commercial fishing is primarily focused on capturing fish and other marine resources, while recreational fishing is conducted for pleasure and conservation purposes. Research fishing is conducted to gather scientific data and monitor the population status of small cetaceans.
Historical Development of Cetacean Fisheries in Japan:
The history of cetacean fisheries in Japan can be traced back to ancient times. Initially, small cetaceans were hunted for their meat and oil, and their populations were significantly depleted. However, in the late 19th and early 20th centuries, regulations were implemented to protect these species, and the commercial fishing industry began to regulate its catch. Today, Japan has one of the most stringent cetacean conservation laws in the world, with strict regulations in place to protect small cetaceans from overfishing and other forms of exploitation.
Life Histories and Ecologies of Small Cetaceans in Japan:
Small cetaceans in Japan exhibit a wide range of life histories and ecologies. Some species, such as bottlenose dolphins, are known for their friendly and curious behavior, while others, such as killer whales, are more aggressive and solitary. Each species has unique adaptations to its environment, including feeding strategies, social structures, and migration patterns. Understanding the life histories and ecologies of small cetaceans is crucial for conservation and management efforts.
Conservation and Management Challenges:
Despite the strict regulations in place, small cetacean populations in Japan still face several conservation and management challenges. One of the primary concerns is overfishing, which can lead to population declines and impacts on the ecosystem. Other challenges include habitat loss, pollution, and bycatch, which occurs when non-target species are caught during fishing operations. Additionally, conflicts between industry and conservation interests can arise, particularly in areas where cetacean fisheries intersect with other industries, such as tourism and shipping.
Case Study of What Can Go Wrong When the Needs of Industry and Conservation Collide:
To illustrate the potential conflicts that can arise when the needs of industry and conservation collide, this book provides a case study of the Japanese dolphin fishing industry. The dolphin fishing industry in Japan is a significant contributor to the country's economy, providing employment and revenue to local communities. However, it has also been criticized for its impact on dolphin populations, which have declined significantly in recent years. The case study highlights the challenges faced by the industry, including the need to balance economic interests with conservation goals, the need to improve fishing practices to reduce bycatch, and the need to engage with local communities to build support for conservation efforts.
Conclusion:
In conclusion, this book provides a comprehensive overview of the biology, ecology, exploitation, and management of small cetaceans in Japan. It highlights the diverse types of cetacean fisheries in Japan, traces their historical development, and examines the life histories and ecologies of the primary species involved. The book also delves into the challenges and complexities of conservation and management, emphasizing the need for sustainable solutions to protect these remarkable creatures. By shedding light on the potential conflicts that arise when the needs of industry and conservation collide, this book serves as a valuable resource for researchers, policymakers, and conservationists alike.

Weight: 1204g
Dimension: 209 x 280 x 38 (mm)
ISBN-13: 9780367658014