William s platts fred e patridge (1 risultati)

Paperback. Condizione: New. Print on Demand. This book examines the critical role of tributaries in the survival of Chinook salmon, a species facing significant decline in the Salmon River drainage of Idaho. The author, a research fishery biologist, delves into the ecological relationships of these salmon with other fish species, exploring their preferences for specific habitats and how these preferences impact their distribution within the tributaries. The book delves into the intricate dance of life in these waterways, analyzing the effects of stream size, gradient, and landtype on the presence and density of juvenile Chinook salmon. Through detailed surveys and analyses, the author presents compelling evidence that these tributaries are not mere extensions of the main river but crucial breeding grounds and rearing habitats. The insights gained from this study provide valuable knowledge for effective conservation and management strategies, emphasizing the importance of understanding the intricacies of salmon ecosystems for their preservation. 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.…