Preface; C.A. Burga, A. Kratochwil. A. General aspects of biomonitoring. Biomonitoring - Tasks and limits; F. KIotzli. Statistical design and analysis in long-term vegetation monitoring; O. Wildi. Administration levels and tasks of nature conservation efficiency control; M. Labasch, A. Otte. B. Examples of applied biomonitoring in Germany and Switzerland. Monitoring recent vegetation changes in nutrient-rich beechwoods in central Germany; W. Hakes. Biomonitoring - Evaluation and assessment of heavy metal concentrations from two German moss monitoring surveys; U. Herpin, et al. Do phytophenological series contribute to vegetation monitoring? C. Deffia. Species responses to climatic variation and land-use change in grasslands of southern Switzerland; A. Stampfi, M. Zeiter. Little flowers in a mild winter; J. Rothlisberger. Vegetation monitoring on a small-scale restoration site in the alpine belt: Pilatus Kulm, Switzerland; E. Ruoss, et al. C. Aspects of global change in the Alps and in the high arctic region. Long-term monitoring of mountain peaks in the Alps; G. Grabherr, et al. Monitoring of Eastern and Southern Swiss Alpine timberline ecotones; C.A. Burga, R. Perret. Observed changes in vegetation in relation to climate warming; G. Carraro, et al. Laurophyllisation - A sign of a changing climate? G.-R. Walther. Changes of plant community patterns, phytomass and carbon balance in a high arctic tundra ecosystem under a climate of increasing cloudiness; L. Moller, et al.