hoefs nancy (7 risultati)

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

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

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

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

Paperback. Condizione: New. Print on Demand. This book explores the delicate ecosystem of the Virgin River in Zion National Park, Utah, focusing on the food habits of its native fish species. The author delves into the fascinating world of these fish, examining how they adapt to the harsh desert environment and the challenges they face due to changing water conditions and the presence of non-native species. The book provides a detailed analysis of the interactions between different native fish species, revealing how they partition resources such as habitat and food to minimize direct competition. The author explores the impact of high flow events, a common occurrence in the Virgin River, on the availability of food resources and how native fish species cope with these fluctuations. The book also examines the vulnerability of certain native species, such as the Virgin spinedace, to habitat alteration and the potential threats posed by invasive species. By examining the unique adaptations and delicate balance of the native fish community, the book sheds light on the intricate relationships within the Virgin River ecosystem and underscores the importance of conservation efforts to protect these vital aquatic habitats. 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.

Paperback. Condizione: New. Print on Demand. 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.

Gebunden. Condizione: New. KlappentextrnrnExcerpt from Food Habits of the Native Fishes in the Virgin River, Zion National Park, UtahIn addition, an electivity index was applied to the aquatic invertebrate data in order to assess possible feeding preferences. Nume.