Platts william s penton vance e (2 résultats)

Paperback. Etat : New. Print on Demand. This book delves into the development of a new method for assessing the distribution of particle sizes within salmonid spawning grounds to study how environmental factors affect embryo and alevin survival rates. The new method utilizes carbon dioxide in a liquid-gas phase to freeze streambed sediment, allowing for the collection of samples in various conditions. This innovative approach offers advantages over existing methods by reducing sample biases, collecting larger and more uniform samples, and increasing the efficiency of carbon dioxide usage. The book provides a detailed description of the new method, including equipment lists, materials, and step-by-step instructions, making it a valuable resource for researchers and practitioners in the field of fisheries science. The insights gained from this method contribute to a better understanding of the factors influencing salmonid reproduction and survival, ultimately aiding in the conservation and management of these important fish 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.…

LeatherBound. Etat : New. BOOKS ARE EXEMPT FROM IMPORT DUTIES AND TARIFFS; NO EXTRA CHARGES APPLY. LeatherBound edition. Condition: New. Reprinted from 1980 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: 36 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: 36 Volume no.248.…