Excerpt from Water-Power Development in Relation to Fishes and Mussels of the Mississippi
It is one Of the tragedies of fish life, catastrophic in degree at times, that the spawning grounds may be found during spring floods far from the main course Of the river, where an untimely recession will leave a generation of young fish isolated in some overflow pond, and marked for destruction unless reclaimed by the agency Of Govern ment or State. Such fish destruction is evident, and of common knowledge, but that which occurs when the flood stage comes late and after the fish have found nests in the originally shallow waters of the river banks at low stage, can only be guessed at. Accordingly, the significance of the interpolation in the course Of a great river.
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Destinazione, tempi e costiDa: PBShop.store US, Wood Dale, IL, U.S.A.
PAP. Condizione: New. New Book. Shipped from UK. Established seller since 2000. Codice articolo LW-9780282754938
Quantità: 15 disponibili
Da: PBShop.store UK, Fairford, GLOS, Regno Unito
PAP. Condizione: New. New Book. Shipped from UK. Established seller since 2000. Codice articolo LW-9780282754938
Quantità: 15 disponibili
Da: Forgotten Books, London, Regno Unito
Paperback. Condizione: New. Print on Demand. This book examines the effects of damming the Mississippi River, particularly on its fisheries and mussels. Dams, while providing public benefits, can obstruct fish, impacting future generations of fish and mussel populations. To lessen damage and enhance advantages, the author suggests studying the development of the newly formed lake for biological conditions suitable for fish life. The author also emphasizes the importance of recording the movement of fish, studying the river-lake fauna that develops, and introducing suitable aquatic vegetation. The lessons learned at Keokuk will be valuable for future developments on the Mississippi or other rivers. 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. Codice articolo 9780282754938_0
Quantità: Più di 20 disponibili