Páramo : an Andean ecosystem under human influence
著者
書誌事項
Páramo : an Andean ecosystem under human influence
Academic, c1992
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内容説明・目次
内容説明
This volume, developed from Papers given at a discussion meeting in June of 1991, describes the unique flora and fauna of paramo, a high altitude Andean grassland ecosystem. The paramos are a rich, botanically diverse range of habitats of vital importance both to the local economy and as a major catchment area for water for many of the region's cities and great rivers. This book focuses on the activities of man in grazing, cutting, buring, and cultivating this fragile region. Important new research from Mexico, Costa Rica, Venezuela, Colombia, Ecuador, and Peru is brought together for the first time to provide an essential reference for both those interested in Central and South American ecology and the conservation and proper use of those ecosystems. Features: * a little-studied habitat of growing importance Describes a rich and fragile environment under human threat First book devoted to this habitat
目次
Paramos: Why Study Them? Afroalpine Vegetation Compared to Paramo: Convergent Adaptations and Divergent Differentiation. Biogeography of the Birds of the Polylepis Woodlands of the Andes. Phytogeography of the Paramo Flora of Cordillera De Talamanca, Costa Rica. Structural and Floristic Differences Between Wet Atlantic and Moist Pacific Montane Myrsine-Quercus Forests in Costa Rica. Plant Diversity in Paramo Toward a Check List of Paramo Plants and a Generic Flora. Rosaceae in the Paramos of Ecuador. The Origin of the Lichen Flora of the Columbian Paramos. Biogeographic Aspects of Gladoniaceae in the Paramos. Ecology of a Tropical High Andean Cushion Mire. Nutrient Status of a Chusguea Tessellata Bamboo Paramo. Pre-Columbian Field Systems and Vegetaion in the Jalca of Northeastern Peru. Influence of Fire in the Grass Paramo Vegetation of Ecuador. Aspects of Human Influence on Upper Andean Forest Line Vegetation. Burning and Grazing Gradients in Paramo Vegetation: Initial Ordination Analyses. Forage Intake and Secondary Production in Extensive Livestock Systems in the Paramo Ecosystem. Effects of Fire and Grazing on Espeletia Hartwegiana Populations. Grazing and Burning in Grassland Communities of High Volcanoes in Mexico. Burning and Grazing in Bunchgrass Paramo Ecosystem: Vegetation Dynamics Described By a Transition Model. Plant of Local Woods Species in the Paramo. Index.
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