lloyd a phinney (3 resultados)

Paperback. Condición: New. Print on Demand. This book examines the influences of environmental factors, hatchery techniques, and fishing practices on the return rates of fall chinook salmon to a federal hatchery. The facility, located on the mighty Columbia River, plays a crucial role in maintaining and restoring the population of this prized salmon species. The author delves into the historical context of salmon hatchery practices, tracing the evolution of techniques and their impact on fish survival. Comprehensive data analysis reveals insights into the complex relationship between hatchery releases and adult returns, shedding light on the optimal timing, size, and conditions for successful releases. The author also explores the effects of fishing practices, including gillnetting and ocean trolling, on the returning salmon population. Through meticulous research and analysis, this book offers valuable knowledge for fishery managers, conservationists, and anyone interested in the sustainable management of this keystone species. It highlights the importance of understanding the intricate factors that influence salmon survival and provides a roadmap for future efforts to protect and restore their populations. 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.

Paper. Condición: Very Good (-). Lacks volume 1 regarding Puget Sound. Bound with Chicago screws. Condition notes: (viii), a section-wise page numbering system like no other; PB. Pages: clean, bright, tight; a few instances of pencil underlining, all edges a bit sunned, obviously well read. Cover: black wraps, color photos + blue/yellow titles front, plain spine; moderate shelfwear, several jagged closed tears and numerous small closed tears, tape reinforcement to spine and back edge, crinkles, rubbed, well-read. Substantial, heavy.

Paperback. Condición: Good. Estado de la sobrecubierta: No Dustjacket. Later Edition. ISBN . Trade Paperback. Volume 2 only. Square-bound with three-hole punched sheets secured with two pins, no lettering on black cardstock spine, 8-1/2x11 inches, 1-1/4 inches thick. Tight, sound, unmarked copy in good plus condition with some browning to edges of interior pages, minor creasing to covers, minor closed tears to edges of cover spine. No statement of later printing on copyright page. Oversized. No Signature.