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  • 1
    UID:
    b3kat_BV048963455
    Format: VIII, 302 Seiten , Illustrationen, Diagramme
    Series Statement: Smithsonian contributions to botany number 112
    Content: "The Fortuna Forest Reserve and adjacent upland areas of the Palo Seco Reserve in western Panama support some of the most extensively studied lower and pre-montane tropical forest in the world. The forests of Fortuna are among the most diverse in Central America and are therefore of exceptional significance for the preservation of regional biodiversity. This volume brings together more than 50 years of research on the climate, geology, soils, and major plant groups of Fortuna. Spanning the continental divide at around 1000 m above sea level, some parts of the reserve receive more than 6000 mm of annual rainfall, although there is considerable variation in cloud cover and seasonality. Soil fertility also varies markedly, reflecting the complex regional volcanic geology. The resulting gradients of climate and fertility across the reserve shape the composition, structure, and diversity of plant communities. A network of 12 one-hectare plots at Fortuna contains more than 400 species of trees greater than 5 cm diameter at breast height and reveals extensive compositional turnover across the reserve. One tree species, Oreomunnea mexicana, forms monodominant stands in otherwise species-rich forests, while forests on extremely infertile soils are dominated by the canopy palm Colpothrinax aphanopetala and include the tropical conifer Podocarpus oleifolius. There are also almost 400 species of bryophytes, almost 300 species of ferns and lycophytes, 31 species of palms, 80 species of bromeliads, and more than 200 species of orchids. Many species of ectomycorrhizal fungi identified from fruiting bodies are new to science. Overall, results from Fortuna highlight the remarkable diversity of plants that occur in montane forests, and the extent to which their communities are structured by gradients of climate and soil fertility. The chapters in this volume provide a foundation for further research and exploration in this fascinating region"--
    Language: English
    Keywords: Panama ; Tropischer Regenwald ; Klima ; Boden ; Biodiversität ; Aufsatzsammlung
    URL: Cover
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  • 2
    Book
    Book
    Wallingford [u.a.] : CABI Pub.
    UID:
    b3kat_BV019802046
    Format: XIII, 399 S. , graph. Darst.
    ISBN: 0851998224
    Note: Papers presented at the Organic Phosphorus Workshop, held July 2003, Ascona, Switzerland.
    Language: English
    Subjects: Agriculture, Forestry, Horticulture, Fishery, Domestic Science , Biology
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    Keywords: Phosphororganische Verbindungen ; Umweltbelastung ; Konferenzschrift ; Konferenzschrift ; Bibliografie ; Konferenzschrift
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  • 3
    Book
    Book
    Washington, DC : Smithsonian Inst. Scholarly Press
    UID:
    b3kat_BV039774107
    Format: VI, 207 S. , Ill., graph. Darst., Kt.
    Series Statement: Smithsonian contributions to botany 95
    Content: The emergence of angiosperms in tropical forests at the expense of the gymnosperms, their ancestral relatives, was one of the most important events in the evolutionary history of terrestrial plants. Gymnosperms were nearly eliminated from the tropics after the evolution of angiosperms in the early Cretaceous, yet conifers of the Podocarpaceae are among the few gymnosperm families that persist in tropical forests worldwide. Podocarps are often considered to be restricted to montane sites in the tropics, a feature of their biogeography that is used by paleoecologists to reconstruct past forest communities.However, podocarps also occur in the lowland tropics, where they can be the dominant component of forest canopies. Podocarps have proved to be remarkably adaptable in many cases: members of the family have a semi-aquatic lifestyle, exhibit drought tolerance and resprouting, and include the only known parasitic gymnosperm. Other intriguing aspects of podocarp physiology include the mechanism of water transport in the leaves and the conspicuous root nodules, which are not involved in nitrogen fixation but instead house arbuscular mycorrhizal fungi. Perhaps most surprising, paleobotanical evidence indicates that far from being "relict" members of tropical forest communities, podocarps have been dispersing into the tropics since the late Eocene epoch more than 30 million years ago. These and other aspects of the Podocarpaceae explored in this volume have far-reaching implications for understanding the ecology and evolution of tropical rain forests
    Note: Includes bibliographical references and index , Podocarp evolution: a molecular phylogenetic perspective / Edward Biffin, John Conran, and Andy Lowe -- Dispersal and palaeoecology of tropical podocarps / Robert Morley -- Ecology and distribution of neotropical Podocarpaceae / James W. Dalling ... [et al.] -- Ecology and distribution of the Malesian podocarps / Neal J. Enright and Tanguy Jaffre -- Podocarps in Africa: temperate zone relicts or rainforest survivors? / Hylton Adie and Michael J. Lawes -- The ecology of podocarps in tropical montane forests of Borneo / Kanehiro Kitayama ... [et al.] -- Temperate and tropical podocarps: how ecologically alike are they? / David A. Coomes and Peter J. Bellingham -- Ecology of fire tolerant podocarps in southern Australia / Phillip G. Ladd and Neal J. Enright -- Conifer-angiosperm interactions: physiological ecology and life history / Christopher H. Lusk -- A functional analysis of podocarp ecology / Timothy J. Brodribb -- Podocarp roots, mycorrhizas, and nodules / Ian A. Dickie and Robert J. Holdaway -- Podocarpaceae in tropical forests: a synthesis / Lucas A. Cernusak ... [et al.]
    Language: English
    Keywords: Stieleibengewächse ; Ökologie ; Tropischer Wald ; Aufsatzsammlung
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  • 4
    UID:
    kobvindex_IGB000020119
    In: Journal of Environmental Monitoring. - 14(2012)3, S. 1098-1106
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  • 5
    UID:
    kobvindex_IGB000018431
    In: Catena. - 82(2010)2, S. 118-125
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  • 6
    UID:
    kobvindex_IGB0014682
    Format: XIII, 399 S.
    ISBN: 0-85199-822-4
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  • 7
    UID:
    gbv_544214269
    Format: XI, 288 S , Ill., graph. Darst
    ISBN: 1845931521 , 9781845931520
    Note: Incl. Index
    Additional Edition: Online-Ausg. Inositol phosphates Wallingford : CABI Publ., 2007 ISBN 9781845931520
    Additional Edition: ISBN 1845931521
    Language: English
    Subjects: Agriculture, Forestry, Horticulture, Fishery, Domestic Science , Biology
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    Keywords: Inositphosphate ; Agrarökosystem ; Boden-Pflanze-System ; Konferenzschrift
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  • 8
    Online Resource
    Online Resource
    Wallingford : CABI Publ.
    UID:
    gbv_1651942439
    Format: Online-Ressource
    ISBN: 9781845931520 , 1845931521
    Series Statement: CABI Books
    Content: This book brings together critical reviews on inositol phosphates in agriculture, ecology, and the environment. It includes 16 chapters covering a diverse range of topics, including the synthesis and hydrolysis of inositol phosphates, their role in animal nutrition, and their fate in soils and aquatic ecosystems.
    Additional Edition: ISBN 9781845931520
    Additional Edition: Druckausg. Inositol phosphates Wallingford [u.a.] : CABI, 2007 ISBN 1845931521
    Additional Edition: ISBN 9781845931520
    Language: English
    Subjects: Agriculture, Forestry, Horticulture, Fishery, Domestic Science , Biology
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    Keywords: Inositphosphate ; Umweltfaktor ; Chemische Analyse ; Tierernährung ; Metabolit ; Inositphosphate ; Electronic books
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  • 9
    UID:
    gbv_1651975760
    Format: Online-Ressource
    ISBN: 9780851998220 , 0851998224
    Series Statement: CABI Books
    Content: This book contains state-of-the-art reviews of organic phosphorus characterization and transformations in the environment. It includes 17 chapters organized into 3 main sections. Section 1 (3 chapters) describes analytical techniques used to characterize organic phosphorus compounds in environmental samples, with chapters dedicated to state-of-the-art procedures involving chromatographic separation, nuclear magnetic resonance spectroscopy and mass spectrometry. Section 2 (7 chapters) addresses the processes that control organic phosphorus behaviour in terrestrial and aquatic environments, including the origins, stabilization, hydrolysis (biotic and abiotic) and biological utilization of organic phosphorus. Section 3 (7 chapters) integrates these processes at the ecosystem level, with chapters synthesizing information on organic phosphorus in soils and aquatic systems, its interaction with other nutrient cycles and its transfer between terrestrial and aquatic environments. Two chapters (Chapters 15 and 16) in this section describe state-of-the-art models used to investigate the behaviour of organic phosphorus in both terrestrial and aquatic environments. The final chapter in this section summarizes the importance of organic phosphorus in the environment and identifies key areas towards which future research effort should be directed.
    Content: Organic phosphorus is involved in almost every biological process and is essential for life. However, the role of organic phosphorus and mechanisms for its dynamics has been poorly understood
    Note: Papers presented at the Organic Phosphorus Workshop, held July 2003, Ascona, Switzerland - Includes bibliographical references and index , Organic Phosphorus in the Environment; Contents; Contributors; Preface; A Note on Nomenclature; Acknowledgements; 1. Separation, Preconcentration and Speciation of Organic Phosphorus in Environmental Samples; 2. Using Phosphorus-31 Nuclear Magnetic Resonance Spectroscopy to Characterize Organic Phosphorus in Environmental Samples; 3. Organic Phosphorus Speciation in Natural Waters by Mass Spectrometry; 4. Abiotic Degradation of Organic Phosphorus Compounds in the Environment; 5. Enzymatic Hydrolysis of Organic Phosphorus; 6. Abiotic Stabilization of Organic Phosphorus in the Environment , 7. Microbial Turnover of Phosphorus in Soil8. Utilization of Soil Organic Phosphorus by Higher Plants; 9. Microbial Turnover of Organic Phosphorus in Aquatic Systems; 10. Ecological Aspects of Phosphatase Activity in Cyanobacteria, Eukaryotic Algae and Bryophytes; 11. Organic Phosphorus Dynamics in Tropical Agroecosystems; 12. Organic Phosphorus Transfer from Terrestrial to Aquatic Environments; 13. Interactions of Organic Phosphorus in Terrestrial Ecosystems; 14. Organic Phosphorus in the Aquatic Environment: Speciation, Transformations and Interactions with Nutrient Cycles , 15 Modelling Phosphorus, Carbon andNitrogen Dynamics in Terrestrial Ecosystems16. Modelling Organic Phosphorus Transformations in Aquatic Systems; 17. Synthesis and Recommendations for Future Research; Appendix: Organic Phosphorus Compounds in the Environment; Index , Organic Phosphorus in the Environment; Contents; Contributors; Preface; A Note on Nomenclature; Acknowledgements; 1. Separation, Preconcentration and Speciation of Organic Phosphorus in Environmental Samples; 2. Using Phosphorus-31 Nuclear Magnetic Resonance Spectroscopy to Characterize Organic Phosphorus in Environmental Samples; 3. Organic Phosphorus Speciation in Natural Waters by Mass Spectrometry; 4. Abiotic Degradation of Organic Phosphorus Compounds in the Environment; 5. Enzymatic Hydrolysis of Organic Phosphorus; 6. Abiotic Stabilization of Organic Phosphorus in the Environment , 7. Microbial Turnover of Phosphorus in Soil8. Utilization of Soil Organic Phosphorus by Higher Plants; 9. Microbial Turnover of Organic Phosphorus in Aquatic Systems; 10. Ecological Aspects of Phosphatase Activity in Cyanobacteria, Eukaryotic Algae and Bryophytes; 11. Organic Phosphorus Dynamics in Tropical Agroecosystems; 12. Organic Phosphorus Transfer from Terrestrial to Aquatic Environments; 13. Interactions of Organic Phosphorus in Terrestrial Ecosystems; 14. Organic Phosphorus in the Aquatic Environment: Speciation, Transformations and Interactions with Nutrient Cycles , 15 Modelling Phosphorus, Carbon andNitrogen Dynamics in Terrestrial Ecosystems16. Modelling Organic Phosphorus Transformations in Aquatic Systems; 17. Synthesis and Recommendations for Future Research; Appendix: Organic Phosphorus Compounds in the Environment; Index
    Additional Edition: ISBN 0851998224
    Additional Edition: Druckausg. Organic phosphorus in the environment Wallingford [u.a.] : CABI Publ., 2005 ISBN 0851998224
    Language: English
    Subjects: Agriculture, Forestry, Horticulture, Fishery, Domestic Science , Biology
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    Keywords: Phosphororganische Verbindungen ; Umweltfaktor ; Phosphorkreislauf ; Electronic books ; Konferenzschrift
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