W douglas harned (6 resultados)

PAP. Condición: New. New Book. Shipped from UK. Established seller since 2000.

PAP. Condición: New. New Book. Shipped from UK. Established seller since 2000.

HRD. Condición: New. New Book. Shipped from UK. Established seller since 2000.

HRD. Condición: New. New Book. Shipped from UK. Established seller since 2000.

Paperback. Condición: New. Print on Demand. This book provides a detailed comparison between two strains of stocked brook trout (wild and hatchery) in the context of a stream devoid of trout species, to determine the competitive superiority of each strain. The recovery of introduced fingerlings over six months, with monthly assessments of their total weight, length, and overall condition, revealed that while both strains had a high mortality rate, the wild strain fingerlings demonstrated a better survival rate overall. However, within the specific conditions of the experiment, the hatchery strain was found to have the best growth and overall genetic background for performance. The findings have important implications for future range extensions of the species and for informing future stocking practices in the southern Appalachian Mountains, where the brook trout population has been in steady decline. It offers an insightful analysis of the factors influencing the success or failure of hatchery and wild trout introductions, ultimately contributing to the preservation and restoration of this iconic fish 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.…

LeatherBound. Condición: New. BOOKS ARE EXEMPT FROM IMPORT DUTIES AND TARIFFS; NO EXTRA CHARGES APPLY. LeatherBound edition. Condition: New. Reprinted from 1976 edition. Leather Binding on Spine and Corners with Golden leaf printing on spine. Bound in genuine leather with Satin ribbon page markers and Spine with raised gilt bands. A perfect gift for your loved ones. Pages: 90 NO changes have been made to the original text. This is NOT a retyped or an ocr'd reprint. Illustrations, Index, if any, are included in black and white. Each page is checked manually before printing. As this print on demand book is reprinted from a very old book, there could be some missing or flawed pages, but we always try to make the book as complete as possible. Fold-outs, if any, are not part of the book. If the original book was published in multiple volumes then this reprint is of only one volume, not the whole set. Sewing binding for longer life, where the book block is actually sewn (smythe sewn/section sewn) with thread before binding which results in a more durable type of binding. Pages: 90.…