The Ecology Of Diatoms In Hardwater Habitats
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The Ecology Of Diatoms In Hardwater Habitats
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Author : John Durrance Dodd
language : en
Publisher:
Release Date : 1971
The Ecology Of Diatoms In Hardwater Habitats written by John Durrance Dodd and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1971 with Diatoms categories.
Diatoms comprise the major group of algae in Iowa waters. Their ecological significance, important in pollution evaluation studies, cannot be fully appreciated without a thorough knowledge of their taxonomy. A scale for abundance rating was used giving at least a rough estimate if data permitted. The names of 50 diatom genera occurring in Iowa are listed and for each genus, the number of taxa in the master list and the number in the 'more common' list are presented. A pollen analysis is tabulated; the samples in this analysis extended through 35 ft. of sediment to the postglacial interface at Little Miller's Bay, Lake West Okoboji. Dating was conducted by the radiocarbon technique for samples taken between 34 ft. and 35 ft. in the sediment core. Since this level had the maximum spruce pollen concentration and the pollen percentage decreased progressively above this level, it was considered as the postglacial interface. Some interesting problems lie in consideration of those diatoms which have disappeared from the original lake flora and those which have become common only since the middle of the postglacial period.
Epa Reports Bibliography
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Author : United States. Environmental Protection Agency
language : en
Publisher:
Release Date : 1973
Epa Reports Bibliography written by United States. Environmental Protection Agency and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1973 with Environmental protection categories.
Monthly Catalog Of United States Government Publications
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Author :
language : en
Publisher:
Release Date : 1972
Monthly Catalog Of United States Government Publications written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1972 with Government publications categories.
Monthly Catalog Of United States Government Publications Cumulative Index
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Author : United States. Superintendent of Documents
language : en
Publisher:
Release Date : 1976
Monthly Catalog Of United States Government Publications Cumulative Index written by United States. Superintendent of Documents and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1976 with United States categories.
Socioeconomic Environmental Studies Series
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Author :
language : en
Publisher:
Release Date : 1973
Socioeconomic Environmental Studies Series written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1973 with Energy conservation categories.
Economic Benefits From An Improvement In Water Quality
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Author : Stephen Douglas Reiling
language : en
Publisher:
Release Date : 1973
Economic Benefits From An Improvement In Water Quality written by Stephen Douglas Reiling and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1973 with Sanitary engineering categories.
Bibliography Of R D Research Reports
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Author : United States. Environmental Protection Agency. Office of Program Management
language : en
Publisher:
Release Date : 1973
Bibliography Of R D Research Reports written by United States. Environmental Protection Agency. Office of Program Management and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1973 with Environmental engineering categories.
Bibliography Of R M Research Reports
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Author : United States. Environmental Protection Agency. Office of Research and Monitoring
language : en
Publisher:
Release Date : 1973
Bibliography Of R M Research Reports written by United States. Environmental Protection Agency. Office of Research and Monitoring and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1973 with Environmental protection categories.
Epa R5
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Author :
language : en
Publisher:
Release Date : 1973
Epa R5 written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1973 with categories.
Epa 600 5
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Author :
language : en
Publisher:
Release Date : 1973-07
Epa 600 5 written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1973-07 with categories.