Ecology and Geology of the Superior Upland Region
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Published: 1982
Total Pages: 246
ISBN-13:
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Published: 1982
Total Pages: 246
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DOWNLOAD EBOOKAuthor: Committee to Evaluate the U.S. Navy's Extremely Low Frequency (ELF) Submarine Communications Ecological Monitoring Program
Publisher: National Academies Press
Published: 1997-07-09
Total Pages: 177
ISBN-13: 0309589711
DOWNLOAD EBOOKThe U.S. Navy established an ecological monitoring program to determine whether electric and magnetic fields from extremely low frequency (ELF) communications systems influenced plant and animal populations near the transmitting facilities. Although some of the researchers believe that a few biological changes might have occurred, they concluded that the results do not indicate significant adverse ecological effects. This book evaluates the 11 ecological studies of the Navy's monitoring program and examines the adequacy of experimental design, the data collection and analysis, and the soundness of the conclusions. It also addresses whether the monitoring program was capable of detecting subtle effects due to ELF exposure and examines the biological changes observed by some program researchers, such as enhanced tree growth.
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Published: 1983
Total Pages: 756
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DOWNLOAD EBOOKLists citations with abstracts for aerospace related reports obtained from world wide sources and announces documents that have recently been entered into the NASA Scientific and Technical Information Database.
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Published: 1983
Total Pages: 1290
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DOWNLOAD EBOOKIdentifies and describes specific government assistance opportunities such as loans, grants, counseling, and procurement contracts available under many agencies and programs.
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Total Pages: 512
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Published: 1983
Total Pages: 1212
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DOWNLOAD EBOOKSections 1-2. Keyword Index.--Section 3. Personal author index.--Section 4. Corporate author index.-- Section 5. Contract/grant number index, NTIS order/report number index 1-E.--Section 6. NTIS order/report number index F-Z.
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Published: 1960
Total Pages: 862
ISBN-13:
DOWNLOAD EBOOKPublishes essays and articles that report and interpret the results of original scientific research in basic and applied ecology.
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Published: 1978
Total Pages: 28
ISBN-13:
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