9781334280856 - fur seal investigations: pribilof islands, alaska, 1962 (classic reprint) von roppel, alton y. (3 Ergebnisse)
- Softcover
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PAP. Zustand: New. New Book. Shipped from UK. Established seller since 2000.
- Softcover
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PAP. Zustand: New. New Book. Shipped from UK. Established seller since 2000.
- Softcover
- Print-on-Demand
Anbieter: Forgotten Books, London, Vereinigtes KönigreichForgotten Books
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Paperback. Zustand: New. Print on Demand. This book looks at the influence of the commercial fur seal industry on the Pribilof seal population for the years 1958-1962. It details methods used by the author and their team for estimating the number of pups born annually to assess the impact of hunting on the sustainability of the…seal population. Techniques used to monitor the population included bull counts, herd and idle seal differentiation, and the tagging of pups and yearlings with physical checkmarks or Soviet tags. The insights gained from the research within contribute to an understanding of the cyclical nature of the seal population, and the impact that commercial hunting can have on the overall health and survival of the species. This book is a reproduction of an important historical work, digitally reconstructed using state-of-the-art technology to preserve the original format. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in the book. print-on-demand item.
