Research Paper NC.
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Publisher :
Page : 512 pages
File Size : 20,9 MB
Release : 1981
Category : Forests and forestry
ISBN :
Author :
Publisher :
Page : 512 pages
File Size : 20,9 MB
Release : 1981
Category : Forests and forestry
ISBN :
Author : United States. Superintendent of Documents
Publisher :
Page : 1192 pages
File Size : 15,44 MB
Release : 1993
Category : Government publications
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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 :
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Page : 1194 pages
File Size : 41,35 MB
Release : 1993
Category : Government publications
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Author :
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Page : 1290 pages
File Size : 45,44 MB
Release : 1993
Category : Research
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Sections 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.
Author :
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Page : 924 pages
File Size : 28,38 MB
Release : 1993-04
Category : Science
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Author :
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Page : 630 pages
File Size : 41,29 MB
Release : 1993
Category : Agriculture
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Author :
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Page : 1688 pages
File Size : 24,76 MB
Release : 1993
Category : Agriculture
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Author : Fumito Koike
Publisher : World Conservation Union
Page : 228 pages
File Size : 32,63 MB
Release : 2006
Category : Nature
ISBN :
Biological invasion, an issue of growing importance due to the significant increase in international transportation and trade, can disturb the balance of local ecosystems and even destroy them. This collection of papers presented at the International Conference on Assessment and Control of Biological Invasion Risks held in August 2004 at Yokohama National University discusses risk assessment, risk management and eradication. It also includes contributions reporting on the current status of invasion and the properties of alien species in East Asia.
Author : Ecological Stratification Working Group (Canada)
Publisher : Centre for Land and Biological Resources Research ; Hull, Quebec : State of the Environment Directorate
Page : 140 pages
File Size : 30,50 MB
Release : 1996
Category : Nature
ISBN :
[An] expanded attribute database [that] includes attribute data for the ecoprovince level of generalization.
Author : Flora of North America Editorial Committee
Publisher :
Page : 620 pages
File Size : 46,22 MB
Release : 1993
Category : Science
ISBN : 9780195305630
FNA presents for the first time, in one published reference source, information on the names, taxonomic relationships, continent-wide distributions, and morphological characteristics of all plants native and naturalized found in North America north of Mexico.