Assessment Of Aquatic Invertebrate Communities Of Tributaries Of The Buffalo River Arkansas And Evaluation Of Indices Of Community Integrity

Author : David N. Mott
Publisher : Forgotten Books
ISBN 13 : 9780260435088
Total Pages : 60 pages
Book Rating : 4.4/5 (35 download)

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Download or read book Buffalo National River, Arkansas, Ten Years of Water Quality Monitoring (Classic Reprint) written by David N. Mott and published by Forgotten Books. This book was released on 2017-11-06 with total page 60 pages. Available in PDF, EPUB and Kindle. Book excerpt: Excerpt from Buffalo National River, Arkansas, Ten Years of Water Quality Monitoring Fecal coliform bacteria levels remain low in the river with the exception of the Ponca site which shows elevated fecal bacteria caused by cattle operations in Boxley Valley. Bacteria concentrations also appear to be increasing in the river over the last ten years but at a slow rate. High bacteria counts have not been found in association with periods or locations of intensive recreational use. Average bacteria levels are about twice as high in tributaries as in the river. Tomahawk Creek had the highest bacteria counts of any tributary, and Mill, Calf, Richland, Bear, and Clabber Creeks also showed somewhat higher bacteria averages. Mill Creek near Pruitt was the only tributary where the bacteria source was linked to septic systems, the dominant source in the remaining tributaries is agriculture. Nutrient concentrations appear to increase in the middle section of the river and in middle river tributaries. In the case of nitrates, a strong correlation was demonstrated between an increase in the percent watershed converted to pasture and increased average nitrate concentrations. With more of the Buffalo River Watershed being converted to pasture, it is likely that nutrient concentrations will continue to increase; however, the trend for nitrates over the study period was relatively flat. Six tributaries showed relatively high nitrate concentrations including Davis, Brush, Tomahawk, Calf and both Mill Creeks. Cecil Creek had a high orthophosphate average which will require further investigation. As with bacteria, the dominant source of nutrients is agricultural activities located within tributary watersheds. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.