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  • 1
    Online Resource
    Online Resource
    Ecology and Management of Neotropical Migratory Birds : A Synthesis and Review of Critical Issues. (1995)
    Oxford :Oxford University Press, Incorporated,
    Details
    Keywords: Birds -- Conservation -- America. ; Birds -- Migration -- America. ; Birds -- Ecology -- America. ; Birds -- Habitat -- America. ; Electronic books.
    Type of Medium: Online Resource
    Pages: 1 online resource (506 pages)
    Edition: 1st ed.
    ISBN: 9780195359176
    URL: https://ebookcentral.proquest.com/lib/geomar/detail.action?docID=430449
    DDC: 598.252/5/097
    Language: English
    Note: Intro -- Contents -- Introduction: Importance of Knowledge and its Application in Neotropical Migratory Birds -- PART I: POPULATION TRENDS -- 1 Population Trends from the North American Breeding Bird Survey -- 2 The Strength of Inferences about Causes of Trends in Populations -- PART II: TEMPORAL PERSPECTIVES ON POPULATION LIMITATION AND HABITAT USE -- 3 When and How are Populations Limited? The Roles of Insect Outbreaks, Fire, and Other Natural Perturbations -- 4 Summer versus Winter Limitation of Populations: What are the Issues and What is the Evidence? -- 5 Habitat Requirements During Migration: Important Link in Conservation -- 6 Habitat Use and Conservation in the Neotropics -- PART III: FOREST MANAGEMENT -- 7 Impacts of Silviculture: Overview and Management Recommendations -- 8 Effects of Silvicultural Treatments in the Rocky Mountains -- 9 Silviculture in Central and Southeastern Oak Pine Forests -- PART IV: GENERAL HUMAN EFFECTS -- 10 Effects of Agricultural Practices and Farmland Structures -- 11 An Assessment of Potential Hazards of Pesticides and Environmental Contaminants -- 12 Livestock Grazing Effects in Western North America -- PART V: SCALE PERSPECTIVES -- 13 Habitat Fragmentation in the Temperate Zone -- 14 A Landscape Ecology Perspective for Research, Conservation, and Management -- 15 Ecology and Behavior of Cowbirds and their Impact on Host Populations -- 16 Single-Species versus Multiple-Species Approaches for Management -- 17 Summary: Model Organisms for Advancing Understanding of Ecology and Land Management -- Index -- A -- B -- C -- D -- E -- F -- G -- H -- I -- K -- L -- M -- N -- O -- P -- R -- S -- T -- W.
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  • 2
    Electronic Resource
    Electronic Resource
    Ceramide-1-phosphate sugars: new types of glycophospholipids (1996)
    Springer
    Glycoconjugate journal 13 (1996), S. 547-553 
    Details
    ISSN: 1573-4986
    Keywords: glycophospholipids ; ceramide-1-phosphate sugars ; azidosphingosine-1-phosphate sugars ; glycosyl phosphite ; glycosyl phosphate ; O-glycosyl trichloroacetimidate ; N-acetylneuraminic acid (Neu5Ac)
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Abstract Ceramide-1-phosphate sugars were synthesized by direct glycosyl phosphite/phosphate andO-glycosyl trichloroacetimidate/phosphate exchange reactions, respectively. Thus, ceramide-1-O-phosphoric acid 5 gave with sialyl phosphite1 as sialyl donor directly β-linked sialyl phosphate6; deprotection afforded the corresponding glycophospholipid ceramide-1-phosphateN-acetylneuraminate7. Similarly, fromO-glucosyl- andO-galactosyltrichloroacetimidate10 and13 with phosphoric acid derivative5 glycosyl ceramide-1-phosphate sugars12 and15, respectively, were obtained.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00731442
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