Author: Charles WarwickPublisher:
ISBN: 9781882932306
Category : Fish surveys
Languages : en
Pages : 420
Book Description
A Decade of Monitoring on Pool 26 of the Upper Mississippi River System
Author: Charles WarwickPublisher:
ISBN: 9781882932306
Category : Fish surveys
Languages : en
Pages : 420
Book Description
Operating Plan of the Long Term Resource Monitoring Program for the Upper Mississippi River System
Author: Jerry L. RasmussenPublisher:
ISBN:
Category : Environmental monitoring
Languages : en
Pages : 64
Book Description
Limnological Monitoring on the Upper Mississippi River System, 1993-1996
Author: Publisher:
ISBN:
Category : Environmental monitoring
Languages : en
Pages :
Book Description
Upper Mississippi River System Environmental Management Program
Author: Publisher:
ISBN:
Category : Environmental engineering
Languages : en
Pages : 284
Book Description
Long Term Resource Monitoring Program Annual Status Report, 1999
Author: Jennifer S. SauerPublisher:
ISBN:
Category : Aquatic ecology
Languages : en
Pages : 0
Book Description
In 1992, macroinvertebrate sampling was initiated in Pools 4, 8, 13, 26, and the Open River reach of the Mississippi River, and La Orange Pool of the Illinois River as part of the Long Term Resource Monitoring Program. Long-term monitoring is needed to detect population trends and local changes in aquatic ecosystems. Mayflies (Ephemeridae), fingernail clams (Sphaeriidae), and the exotic Asiatic clam (Corbicula) were selected for monitoring. Midges (Chironomidae) were added to the sampling design in 1993 and zebra mussels (Dreissena polymorpha) in 1995. Mayflies, fingernail clams, and midges, members of the soft-substrate community, were chosen because they play an important ecological role in the Upper Mississippi River System. Sampling was based on a stratified random design and was conducted at about 125 sites per study area. Mean densities of taxa were weighted by strata for extrapolation purposes. Pool 8 had the highest estimated mean densities of mayflies and fingernail clams (215 and 505 per m2, respectively). Pool 13 had the highest estimated mean number of midges (234 per m2). Overall, the impounded areas (including Lake Pepin) and the contiguous backwaters tended to support the highest mean densities of mayflies, fingernail clams, and midges. Substrates with predominantly a silt clay constituent supported the highest mean densities of mayflies, fingernail clams, and midges.
A Summary of Aquatic Vegetation Monitoring at Selected Locations in Pools 4, 8, 13, and 26 and La Grange Pool of the Upper Mississippi River System. 1993 Annual Status Report
Author: Sara RogersPublisher:
ISBN:
Category :
Languages : en
Pages : 35
Book Description
The Long Term Resource Monitoring Program (LTRMP) was authorized under the Water Resources Development Act of 1986 (Public Law 99-662) as an element of the U.S. Army Corps of Engineers Environmental Management Program. Thr LTRMP is being implemented by the Environmental Management Technical Center, a U.S. Geological Survey science center, in cooperation with the five Upper Mississippi River System (UMRS) States of Illinois, Iowa, Minnesota, Missouri, and Wisconsin. The U.S. Army Corps of Engineers provides guidance and has overall Program responsibility. The mode of operation and respective roles of the agencies are outlined in a 1988 Memorandum of Agreement. The UMRS encompasses the commercially navigable reaches of the Upper Mississippi River, as well as the Illinois River and navigable portions of the Kaskaskia, Black, St. Croix, and Minnesota Rivers. Congress has declared the UMRS to be both a nationally significant ecosystem and a nationally significant commercial navigation system. The mission of the LTRMP is to provide decision makers with information for maintaining the UMRS as a sustainable large river ecosystem given its multiple-use character. The long-term goals of the Program are to understand the system, determine resource trends and effects, develop management alternatives, manage information, and develop useful products.
Upper Mississippi River System Long Term Resource Monitoring Program Water and Sediment Component Annual Report, Pool 13, 1989
Author: Nutrients in the Upper Mississippi River
Author: Publisher:
ISBN:
Category : Electronic government information
Languages : en
Pages : 6
Book Description
A Summary of Aquatic Vegetation Monitoring at Selected Locations in Pools 4, 8, 13, and 26 and La Grange Pool of the Upper Mississippi River System
Author: Sara RogersPublisher:
ISBN:
Category :
Languages : en
Pages : 35
Book Description
The Long Term Resource Monitoring Program (LTRMP) of the Upper Mississippi River System (UMRS) authorizes monitoring of submersed aquatic vegetation (SAV) in the river system. This report summarizes the 1991 effort of monitoring SAV along transects permanently established in vegetated locations in four navigation pools of the Upper Mississippi River and one navigation pool of the Illinois River. Seventeen species of submersed aquatic plants were found along transects in Pools 4, 8, 13, 26 and La Grange Pool. The highest number of submersed aquatic plant species found in any one pool was 16 in Pool 4 and the lowest number was 6 in La Grange Pool. Coon's tail (Ceratophyllum demersum) and sago pondweed (Potamogeton pectinatus) were the only two species found in every study pool during both spring and summer sampling. Decreases in pondweed species noticeably affected the number of transect sites with SAV in Pools 4 and 13. In Pool 8, nearly all species declined between sampling periods and the proportion of sites with SAV dropped to less than 10% by August, the most decline of any pool.
Fish Monitoring by the Long Term Resource Monitoring Program on the Upper Mississippi River System--1990-1994
Author: Steve GutreuterPublisher:
ISBN:
Category : Fish communities
Languages : en
Pages : 78
Book Description
The Long Term Resource Monitoring Program (LTRMP) of the Upper Mississippi River System (UMRS) conducts highly standardized monitoring of fishes in Pools 4, 8,13, and 26, in a segment of the unimpounded Mississippi River, and in the La Grange Pool of the Illinois River. This report summarizes the initial 5 years of fish monitoring by the LTRMP. This report documents temporal variability that will be critical to interpretation of future events and trends (consistent temporal changes), and documents important spatial patterns. Because 5 years of data can only provide tenuous trend information and because the LTRMP sampling design was changed between 1992 and 1993, trends reported herein must be interpreted cautiously. No evidence of reduction of fish species richness (number of species) was found from 1990 through 1994 or since recording began in the late 19th century. The abundance of common carp (Cyprinus carpio), an exotic but commercially harvested species, and sauger (Stizostedion canadense), a recreationally valuable species, increased dramatically from 1990 through 1994. Few species declined in abundance. Spatial patterns in the abundance of certain species, including bluegill (Lepomis macrochirus), largemouth bass (Micropterus salmoides), white crappie (Pomoxis annularis), and black crappie (Pomoxis nigromaculatus) provide substantial evidence that the availability of backwaters presently limits the abundance of these species in the open river study reach, to a lesser extent in Pool 26, and probably elsewhere. This information could be instrumental in identifying the effects of present river management practices and predicting some biological and economic consequences of future changes in floodplain composition. No evidence was found that the relatively rare lake sturgeon (Acipenser fulvescens), shovelnose sturgeon (Scaphirhynchus platorynchus), paddlefish (Polyodon spathula), and blue sucker (Cycleptus elongatus) declined in abundance from 1990 through 1994. The flood of 1993 provided an opportunity for skipjack herring (Alosa chrysochloris) to temporarily reenter the uppermost pools of the Mississippi River.