Because of the pervasive and substantial decline of Atlantic salmon populations in Maine over the past 150 years, and because they are close to extinction, a comprehensive statewide action should be taken now to ensure their survival. The populations of Atlantic salmon have declined drastically, from an estimated half million adult salmon returning to U.S. rivers each year in the early 1800s to perhaps as few as 1, 000 in 2001. The report recommends implementing a formalized decision-making approach to establish priorities, evaluate options and coordinate plans for conserving and restoring the salmon.
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Ngôn ngữ Anh ● định dạng EPUB ● Trang 304 ● ISBN 9780309166584 ● Nhà xuất bản National Academies Press ● Được phát hành 2004 ● Có thể tải xuống 3 lần ● Tiền tệ EUR ● TÔI 7141987 ● Sao chép bảo vệ Adobe DRM
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