Limnological and Fisheries Studies of the St. Marys River, Michigan, in Relation to Proposed Extension of the Navigation Season, 1982 and 1983. Volume 1. Main Report

The general purpose of this study was to expand existing biological and physical/chemical data for the St. Marys River during 1982 and 1983 to help assess environmental impacts from proposed navigation season extension. Previous investigations were limited mainly to localities over some 64 km (40 mi...

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Bibliographic Details
Main Authors: Liston,Charles R, McNabb,Clarence D, Brazo,Dan, Bohr,Joe, Craig,John
Format: Report
Language:English
Subjects:
AQUATIC PLANTS
Biological Oceanography
ENVIRONMENTAL IMPACT
FISHES
LIFE CYCLES
LIMNOLOGY
MARINE BIOLOGY
MARINE TRANSPORTATION
NAVIGATION
PLANKTON
SAMPLING
SEDIMENTATION
SHIPPING
TABLES(DATA)
Water Pollution and Control
WINTER
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Summary:The general purpose of this study was to expand existing biological and physical/chemical data for the St. Marys River during 1982 and 1983 to help assess environmental impacts from proposed navigation season extension. Previous investigations were limited mainly to localities over some 64 km (40 mi). This report contains data on the following topics: physical and chemical aspects of water; winter sedimentation rates; benthic macroinvertebrates; aquatic macrophytes and primary productivity; ichthyoplankton; and, juvenile and adult fish. Potential effects of winter navigation activities are of special concern in narrow channel areas of connecting waters of the Great Lakes such as exist in the St. Marys River. An understanding of the biological systems within these is important for valid impact assessments to be made.