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  • Book
    Arne Pommerening, Pavel Grabarnik.
    Summary: Model-driven individual-based forest ecology has emerged in the 1990s and has given rise to a wealth of publications. At the same time, individual-based methods in forest management have been refined in a number of different countries and steadily grow in importance. For the first time this book integrates three main fields of forest ecology and management, i.e. tree/plant interactions, biometry of plant growth and human behaviour in forests. Individual-based forest ecology and management is an interdisciplinary research field with a focus on how the individual behaviour of plants contributes to the formation of spatial patterns that evolve through time. Key to this research is a strict bottom-up approach where the shaping and characteristics of plant communities are understood to be mostly the result of interactions between plants and between plants and humans. Written in a highly accessible style, the book provides essential information on theories and concepts of individual-based forest ecology and management and introduces point process statistics for analysing plant interactions. This is followed by methods of spatial modelling with a focus on individual-based models. The text is complemented by key concepts of modern plant growth science. Finally new methods of measuring, analysing and modelling human interaction with trees in forest ecosystems are introduced and discussed. For better access and understanding, all methods introduced in this book are accompanied by example code ready to use in the statistical software R and by worked examples. Additional technical details are given in three appendices.

    Contents:
    Foreword; Dan Binkley
    Preface
    Acknowledgements
    1. Introduction
    2. Theories and concepts in individual-based forest ecology
    3. Theories and concepts in individual-based forest management
    4. Spatial methods of tree interaction analysis
    5. Spatial and individual-based modelling
    6. Principles of relative growth analysis
    7. Human disturbances and tree selection behavior
    A. Qualitative forest description
    B. Survey protocol for the establishment of permanent forest research plots
    C. Brief Introduction to the R language
    References
    Index.
    Digital Access Springer 2019
  • Article
    Koup JR, Brodsky B.
    Am Rev Respir Dis. 1978 Jun;117(6):1135-8.
    A comparison of the new homogeneous enzyme-multiplied immunoassay technique (EMIT, Syva) with a high-pressure liquid chromatographic technique for the determination of theophylline concentration is presented. The accuracy, precision, and specificity of the methods were compared. In addition, 100 samples from 61 pediatric patients receiving theophylline were assayed by both methods. The accuracy, precision, and specificity of the enzyme immunoassay support the use of this method for the quantification of theophylline concentration in clinical specimens. A significant correlation (R = 0.981, P less than 0.001) was found between results generated by enzyme immunoassay and high-pressure liquid chromatography for patient samples. The regression line relating these results had an intercept of 0.22 microgram per ml, a slope of 1.05, and a standard error of the estimate of 1.36 microgram per ml.
    Digital Access Access Options