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Includes abstracts of the annual meetings of the American Society of Agronomy; Soil Science Society of America; Crop Science Society of America ( - of its Agronomic Education Division).
The relationships between soils, microbes and humans are of crucial relevance in the tropics, where plant stress and microbial activity are exacerbated. This volume of Soil Biology presents the living component of tropical soils, showing how it is shaped by environmental conditions and emphasizing its dramatic impact on human survival and well-being. Following an introduction to the specificities of tropical soils and of their microbial communities, the biological aspects of soil management are examined, dealing with land use change, conservation and slash-and-burn agriculture, the restoration of hot deserts, agroforestry and paddy rice cultivation. As they are of particular relevance for tropical agriculture, symbioses of plants and microbes are thoroughly covered, as are the biodegradation of pesticides and health risks associated with wastewater irrigation. Lastly, traditional soil knowledge is discussed as a key to our sustainable presence in this world.
A system plan is the design of a total reserve system covering the full range of ecosystems and communities found in a particular country, identifying the range of purposes of protected areas and the relationships among the system components (i.e., individual areas, protected areas and other land uses), and different sectors and levels of society. Highlighting key linkages with other aspects of economic development, it shows how various stakeholders can interact and cooperate to support effective and sustainable management of protected areas, and help to establish priorities. A valuable resource for all those involved with national system planning.
This book presents how tourism initiates economic development and how constraints to the growth of tourism in Sub-Saharan Africa can be addressed. With 24 case studies that illustrate tourism development, it reveals that despite destination challenges, the basic elements needed to initialize or intensify success are applicable across the region.
This book explains how to foresee and manage ecosystem changes in the Luquillo Mountains in Puerto Rico, by looking at underlying causes and effects. The lessons from the abiotic and biotic environments, populations, and ecosystems in this region apply to analogous forest biomes in Central and South America, as well as around the world.
This final volume in the The Conservation Atlas of Tropical Forests covers the Americas. It provides an up-to-date overview of the status of rain forests in South America, Central America, and the Caribbean. Following the format of the two previous volumes The Conservation Atlas of Tropical Forests: Asia and the Pacific (1991) and The Conservation Atlas of Tropical Forests: Africa (1992), the atlas is divided into two parts. Part I introduces and discusses the complex interrelated issues in the regions that are involved in both deforestation as well as conservation of the tropical forests. Included are discussions on the history of the forests, agricultural colonization policies and deforestation, conservation polices for plants and wildlife, protected areas, and the future of the tropical forests. Part II is a detailed and well referenced country-by-country analysis of conservation status and trends. Four-colour maps have been compiled from satellite and radar imagery, aerial photography, and the latest information provided by forestry departments and development agencies.
Over two thousand archaeological features cut directly into the limestone bedrock, and an artefact assemblage of pottery, shell and stone led to reconstructions of fifty domestic structures, thirty of which are houses, and interpretations of the spatial organization and chronology of the site between ca. AD 800 and 1504. --
This Ocean Guide was jointly developed by FAO and PML, with contributions from many other institutions. It is designed as an educational resource for schools, youth groups and other curious young learners. This fact-filled Guide explores the ocean from the coastal zones to the frozen poles, the deep sea to the open ocean. It takes a close look at the physical features and natural processes that shape the incredible plant and animal life to be found underwater as well as life-forms exposed by the tides. It also demonstrates the many benefits the ocean provides us, discusses the negatives impacts we unfortunately have on the ocean and explains how good management can help protect and conserve the ocean and ocean life. At the end of the Guide, inspiring examples of youth-led initiatives are provided, and an easy-to-follow action plan aims to help YOU develop your own ocean conservation activities and projects.