Committee on Fish Stock Assessment Methods & Division on Earth and Life Studies 
Improving Fish Stock Assessments [EPUB ebook] 

Sokongan

Ocean harvests have plateaued worldwide and many important commercial stocks have been depleted. This has caused great concern among scientists, fishery managers, the fishing community, and the public. This book evaluates the major models used for estimating the size and structure of marine fish populations (stock assessments) and changes in populations over time. It demonstrates how problems that may occur in fisheries datafor example underreporting or changes in the likelihood that fish can be caught with a given type of gearcan seriously degrade the quality of stock assessments. The volume makes recommendations for means to improve stock assessments and their use in fishery management.

€77.17
cara bayaran
Beli ebook ini dan dapatkan 1 lagi PERCUMA!
Bahasa Inggeris ● Format EPUB ● Halaman-halaman 193 ● ISBN 9780309174404 ● Penerbit National Academies Press ● Diterbitkan 1998 ● Muat turun 3 kali ● Mata wang EUR ● ID 7142589 ● Salin perlindungan Adobe DRM
Memerlukan pembaca ebook yang mampu DRM

Lebih banyak ebook daripada pengarang yang sama / Penyunting

254,716 Ebooks dalam kategori ini