- ホーム
- > 洋書
- > ドイツ書
- > Mathematics, Sciences & Technology
- > Biology
- > zoology
Full Description
This book provides cutting-edge scientific idea and novel concepts on the ecosystem-based approach to fisheries management. It begins by reviewing the scientific fundamentals and problems currently faced by conventional fisheries science, based on population dynamics. In turn, it reviews the theoretical basis of ecosystem dynamics, including selected ecosystem indicators. Surplus production and balanced harvests are discussed in the ecosystem dynamics context. Several ecosystem-holistic indicators are described, but particular emphasis is placed on two: the noxicline (gain in entropy due to loss of biomass) and resilience, which are expressed as ecosystem (holistic) points of reference for defining allowable harvest rates. Both biological (population) and ecosystem (holistic) points of reference are subsequently analyzed in the context of fisheries management and conservation. An adaptability concept is also discussed as a management policy for facing climate change. In closing, the concepts presented are applied to six study cases involving a range of different ecosystems and fisheries.
Contents
Chapter 1 - Introduction.- Chapter 2 - Conventional fisheries management and the need of the ecosystem approach.- Chapter 3 - Ecosystem trophic structure and dynamics: basic concepts Chapter 4 - Fisheries within the ecosystem context: the production, surplus production and balanced harvest.- Chapter 5 -Holistic indicators: theoretical basis.- Chapter 6 - Resilience.- Chapter 7 - Reference Points: Stock-based BRP vs. ecosystem(holistic)-based BRP.- Chapter 8 - Managing fisheries under an holistic approach.- Chapter 9 - Adaptability as management policy.- Chapter 10 - Selected study cases.- Chapter 11- Holistic approach and management practice.
