Book Description
February issue includes Appendix entitled Directory of United States Government periodicals and subscription publications; September issue includes List of depository libraries; June and December issues include semiannual index
Author : United States. Superintendent of Documents
Publisher :
Page : pages
File Size : 41,25 MB
Release : 1985
Category : Government publications
ISBN :
February issue includes Appendix entitled Directory of United States Government periodicals and subscription publications; September issue includes List of depository libraries; June and December issues include semiannual index
Author :
Publisher :
Page : 598 pages
File Size : 35,30 MB
Release : 2007
Category :
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Author :
Publisher :
Page : 982 pages
File Size : 29,64 MB
Release : 1992
Category : Government publications
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Author :
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Page : 848 pages
File Size : 34,18 MB
Release : 1994
Category : Government publications
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Author : Robert P. Brooks
Publisher : Springer Science & Business Media
Page : 498 pages
File Size : 42,8 MB
Release : 2013-01-25
Category : Science
ISBN : 1461455960
The lands and waters of the Mid-Atlantic Region (MAR) have changed significantly since before the 16th century when the Susquehannock lived in the area. Much has changed since Captain John Smith penetrated the estuaries and rivers during the early 17th century; since the surveying of the Mason-Dixon Line to settle border disputes among Maryland, Pennsylvania, and Delaware during the middle of the 18th century; and since J. Thomas Scharf described the physiographic setting of Baltimore County in the late 19th century. As early as 1881, Scharf provides us with an assessment of the condition of the aquatic ecosystems of the region, albeit in narrative form, and already changes are taking place – the conversion of forests to fields, the founding of towns and cities, and the depletion of natural resources. We have always conducted our work with the premise that “man” is part of, and not apart from, this ecosystem and landscape. This premise, and the historical changes in our landscape, provide the foundation for our overarching research question: how do human activities impact the functioning of aquatic ecosystems and the ecosystem services that they provide, and how can we optimize this relationship?
Author :
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Page : 626 pages
File Size : 27,48 MB
Release : 2013-02
Category : Delegated legislation
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Author :
Publisher :
Page : 410 pages
File Size : 30,19 MB
Release : 2000
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Author : U.S. Fish and Wildlife Service
Publisher :
Page : 110 pages
File Size : 10,32 MB
Release : 1979
Category : Aquatic ecology
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Author :
Publisher :
Page : 286 pages
File Size : 15,7 MB
Release : 1983
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Author :
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Page : 686 pages
File Size : 11,60 MB
Release : 2005
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