Accession Number : ADA288529

Title :   Effects of Increased Commercial Navigation Traffic on Freshwater Mussels in the Upper Mississippi River; 1992 Studies.

Descriptive Note : Final rept.,

Corporate Author : ARMY ENGINEER WATERWAYS EXPERIMENT STATION VICKSBURG MS ENVIRONMENTAL LAB

Personal Author(s) : Miller, Andrew C. ; Payne, Barry S.

PDF Url : ADA288529

Report Date : OCT 1994

Pagination or Media Count : 129

Abstract : In accordance with the Endangered Species Act, Section 7, Consultation, personnel from the U.S. Army Engineer District, St. Louis, and the U.S. Fish and Wildlife Service (USFWS) determined that a monitoring program should be initiated in the upper Mississippi River to assess the effects of existing and projected future increased traffic levels on freshwater mussels including the endangered Higgins eye mussel Lampsilis higginsi. Concern had been expressed by the USFWS and other agencies that projected increases in commercial traffic resulting from completion of the Melvin Price Locks and Dam, Second Lock Project (formally known as Locks and Dam 26) at Alton, IL, could negatively affect freshwater mussels. In 1988, the St. Louis District contracted with the U.S. Army Engineer Waterways Experiment Station (WES) to initiate these studies. The purpose of the 1988 studies was to identify sample sites for future work. This report describes results of the fourth full study year, which took place in 1992.

Descriptors :   *MUSSELS, *WATER TRAFFIC, *OCEAN BOTTOM SAMPLING, MONITORING, TRAFFIC, DEMOGRAPHY, FRESH WATER, MAPS, SITE INVESTIGATIONS, ENVIRONMENTAL PROTECTION, HABITATS, MARINE CLIMATOLOGY, MISSISSIPPI RIVER, HEALTH SURVEYS, AQUATIC ORGANISMS.

Subject Categories : Biological Oceanography
      Water Pollution and Control
      Environmental Health and Safety

Distribution Statement : APPROVED FOR PUBLIC RELEASE