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The Effects of Increased Commercial Navigation Traffic on Freshwater Mussels in the Upper Mississippi River: 1990 Studies
In 1988 the US Army Engineer District, St. Louis, initiated a program to analyze the effects of commercial navigation traffic on freshwater mussels (Mollusca: Unionidae), especially the endangered Lampsilis higginsi, in the upper Mississippi River. Preliminary studies were conducted in 1988; detaile...
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creator | Miller, Andrew C Payne, Barry S |
description | In 1988 the US Army Engineer District, St. Louis, initiated a program to analyze the effects of commercial navigation traffic on freshwater mussels (Mollusca: Unionidae), especially the endangered Lampsilis higginsi, in the upper Mississippi River. Preliminary studies were conducted in 1988; detailed studies were initiated in 1989 and will continue for at least 6 years. In July 1990, mussels were collected using qualitative and quantitative (0.25 sq m total substrate) methods at dense and diverse beds in Pool 17 (RM 450.4 and 448.7) and Pool 12 (RM 571.5). Water velocity and suspended solids concentrations were measured immediately following vessel passage at sites where mussels were collected. An assessment of commercial navigation traffic effects will be based on a comparison of baseline data (1989-94) with data collected during periods of increased traffic intensity following 1994. Commercial navigation traffic, Freshwater mussels. |
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Preliminary studies were conducted in 1988; detailed studies were initiated in 1989 and will continue for at least 6 years. In July 1990, mussels were collected using qualitative and quantitative (0.25 sq m total substrate) methods at dense and diverse beds in Pool 17 (RM 450.4 and 448.7) and Pool 12 (RM 571.5). Water velocity and suspended solids concentrations were measured immediately following vessel passage at sites where mussels were collected. An assessment of commercial navigation traffic effects will be based on a comparison of baseline data (1989-94) with data collected during periods of increased traffic intensity following 1994. Commercial navigation traffic, Freshwater mussels.</description><language>eng</language><subject>Biology ; COMMERCIAL NAVIGATION TRAFFIC ; COMPARISON ; Ecology ; ENVIRONMENTAL IMPACT ; FRESHWATER MUSSELS ; INTENSITY ; LAMPSILIS HIGGINSI ; MISSISSIPPI RIVER ; MOLLUSCA ; MUSSELS ; NAVIGATION ; NAVIGATION EFFECTS ; RIVERS ; SITES ; VELOCITY ; WES(WATERWAYS EXPERIMENT STATION)</subject><creationdate>1992</creationdate><rights>Approved for public release; distribution is unlimited.</rights><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>230,776,881,27544,27545</link.rule.ids><linktorsrc>$$Uhttps://apps.dtic.mil/sti/citations/ADA256225$$EView_record_in_DTIC$$FView_record_in_$$GDTIC$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>Miller, Andrew C</creatorcontrib><creatorcontrib>Payne, Barry S</creatorcontrib><creatorcontrib>ARMY ENGINEER WATERWAYS EXPERIMENT STATION VICKSBURG MS ENVIRONMENTAL LAB</creatorcontrib><title>The Effects of Increased Commercial Navigation Traffic on Freshwater Mussels in the Upper Mississippi River: 1990 Studies</title><description>In 1988 the US Army Engineer District, St. Louis, initiated a program to analyze the effects of commercial navigation traffic on freshwater mussels (Mollusca: Unionidae), especially the endangered Lampsilis higginsi, in the upper Mississippi River. Preliminary studies were conducted in 1988; detailed studies were initiated in 1989 and will continue for at least 6 years. In July 1990, mussels were collected using qualitative and quantitative (0.25 sq m total substrate) methods at dense and diverse beds in Pool 17 (RM 450.4 and 448.7) and Pool 12 (RM 571.5). Water velocity and suspended solids concentrations were measured immediately following vessel passage at sites where mussels were collected. An assessment of commercial navigation traffic effects will be based on a comparison of baseline data (1989-94) with data collected during periods of increased traffic intensity following 1994. Commercial navigation traffic, Freshwater mussels.</description><subject>Biology</subject><subject>COMMERCIAL NAVIGATION TRAFFIC</subject><subject>COMPARISON</subject><subject>Ecology</subject><subject>ENVIRONMENTAL IMPACT</subject><subject>FRESHWATER MUSSELS</subject><subject>INTENSITY</subject><subject>LAMPSILIS HIGGINSI</subject><subject>MISSISSIPPI RIVER</subject><subject>MOLLUSCA</subject><subject>MUSSELS</subject><subject>NAVIGATION</subject><subject>NAVIGATION EFFECTS</subject><subject>RIVERS</subject><subject>SITES</subject><subject>VELOCITY</subject><subject>WES(WATERWAYS EXPERIMENT STATION)</subject><fulltext>true</fulltext><rsrctype>report</rsrctype><creationdate>1992</creationdate><recordtype>report</recordtype><sourceid>1RU</sourceid><recordid>eNqFjMEKgkAURd20iOoPWrwfCMowsJ2YUotalK1lGN_kAx2HeU-jv0-hfXDhHu6BOw8-RY2QGYNaGDoDF6s9KsYK0q5t0WtSDdzUQC8l1FkovDKGNIyYe-T6rQQ9XHtmbBjIgox_T-emkZinOEdwpwH9EXZxvIWH9BUhL4OZUQ3j6teLYJ1nRXreVEK6ZCGLUianJIwOYRjt_-gvfztCMg</recordid><startdate>199207</startdate><enddate>199207</enddate><creator>Miller, Andrew C</creator><creator>Payne, Barry S</creator><scope>1RU</scope><scope>BHM</scope></search><sort><creationdate>199207</creationdate><title>The Effects of Increased Commercial Navigation Traffic on Freshwater Mussels in the Upper Mississippi River: 1990 Studies</title><author>Miller, Andrew C ; Payne, Barry S</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-dtic_stinet_ADA2562253</frbrgroupid><rsrctype>reports</rsrctype><prefilter>reports</prefilter><language>eng</language><creationdate>1992</creationdate><topic>Biology</topic><topic>COMMERCIAL NAVIGATION TRAFFIC</topic><topic>COMPARISON</topic><topic>Ecology</topic><topic>ENVIRONMENTAL IMPACT</topic><topic>FRESHWATER MUSSELS</topic><topic>INTENSITY</topic><topic>LAMPSILIS HIGGINSI</topic><topic>MISSISSIPPI RIVER</topic><topic>MOLLUSCA</topic><topic>MUSSELS</topic><topic>NAVIGATION</topic><topic>NAVIGATION EFFECTS</topic><topic>RIVERS</topic><topic>SITES</topic><topic>VELOCITY</topic><topic>WES(WATERWAYS EXPERIMENT STATION)</topic><toplevel>online_resources</toplevel><creatorcontrib>Miller, Andrew C</creatorcontrib><creatorcontrib>Payne, Barry S</creatorcontrib><creatorcontrib>ARMY ENGINEER WATERWAYS EXPERIMENT STATION VICKSBURG MS ENVIRONMENTAL LAB</creatorcontrib><collection>DTIC Technical Reports</collection><collection>DTIC STINET</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Miller, Andrew C</au><au>Payne, Barry S</au><aucorp>ARMY ENGINEER WATERWAYS EXPERIMENT STATION VICKSBURG MS ENVIRONMENTAL LAB</aucorp><format>book</format><genre>unknown</genre><ristype>RPRT</ristype><btitle>The Effects of Increased Commercial Navigation Traffic on Freshwater Mussels in the Upper Mississippi River: 1990 Studies</btitle><date>1992-07</date><risdate>1992</risdate><abstract>In 1988 the US Army Engineer District, St. Louis, initiated a program to analyze the effects of commercial navigation traffic on freshwater mussels (Mollusca: Unionidae), especially the endangered Lampsilis higginsi, in the upper Mississippi River. Preliminary studies were conducted in 1988; detailed studies were initiated in 1989 and will continue for at least 6 years. In July 1990, mussels were collected using qualitative and quantitative (0.25 sq m total substrate) methods at dense and diverse beds in Pool 17 (RM 450.4 and 448.7) and Pool 12 (RM 571.5). Water velocity and suspended solids concentrations were measured immediately following vessel passage at sites where mussels were collected. An assessment of commercial navigation traffic effects will be based on a comparison of baseline data (1989-94) with data collected during periods of increased traffic intensity following 1994. Commercial navigation traffic, Freshwater mussels.</abstract><oa>free_for_read</oa></addata></record> |
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source | DTIC Technical Reports |
subjects | Biology COMMERCIAL NAVIGATION TRAFFIC COMPARISON Ecology ENVIRONMENTAL IMPACT FRESHWATER MUSSELS INTENSITY LAMPSILIS HIGGINSI MISSISSIPPI RIVER MOLLUSCA MUSSELS NAVIGATION NAVIGATION EFFECTS RIVERS SITES VELOCITY WES(WATERWAYS EXPERIMENT STATION) |
title | The Effects of Increased Commercial Navigation Traffic on Freshwater Mussels in the Upper Mississippi River: 1990 Studies |
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