Proceedings of the Symposium on Giant Sequoias : Their Place in the Ecosystem and Society
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Published: 1994
Total Pages: 180
ISBN-13:
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Published: 1994
Total Pages: 180
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Published: 1994
Total Pages: 184
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Published: 1997
Total Pages: 216
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Published: 1980
Total Pages: 496
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DOWNLOAD EBOOKAuthor: Richard A. Birdsey
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Published: 1997
Total Pages: 394
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Published: 1995
Total Pages: 440
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Published: 2000
Total Pages: 398
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Published: 1978
Total Pages: 704
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DOWNLOAD EBOOKAuthor: Aljos Farjon
Publisher: IUCN
Published: 1999
Total Pages: 142
ISBN-13: 9782831704654
DOWNLOAD EBOOKConifers are one of the world's most important resources of timber. If managed wisely and used sustainably, these resources will provide wood for a multitude of purposes, virtually indefinitely. Additional products include resins and their derivatives, and even medicinal extracts--for example taxol now used in the treatment of cancer. Conifers occur on all continents except Antarctica. Of the 630 species, 355 are listed as of conservation concern, with 200, or 25 of species, threatened with extinction. Although exploitation of these resources is as old as civilization, this century has seen a dramatic increase in the exploitation of timber resources. This action plan assess conifer diversity and its threats. It is unique among IUCN's Plant Action Plans so far published, in that it gives the complete global red list of conifers using the 1994 IUCN Red List Categories and criteria. Data is analyzed to identify "conifer hot spots", where conservation should be a priority, and a short-list of threatened species is prioritized.
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Published: 1995
Total Pages: 1100
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