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Discusses the latest information regarding the processes and mechanisms responsible for runoff and erosion by water in arable lands--detailing state-of-the-art water and soil conservation methods. Elucidates the rehabilitation of agricultural lands depleted by human activity.
- Problem der Bodenerosion wird hier mit ganzheitlichem Ansatz besprochen - Ursachen und Auswirkungen der Erosion werden in sozialökonomischen Kontext gebracht - ausführliche Angaben über Methoden der Verfolgung von Bodenerosion (GPS, GIS, Erdfernerkundung) - mit einer gut verständlichen allgemeinen Einführung in Bodenkunde und Hydrologie
This conference brought together scientists and managers from government, universities, and private organizations to examine the biological diversity and management challenges of the unique "sky island" ecosystems of the mountains of the southwestern U.S. and northwestern Mexico. Session topics included: floristic resources, plant ecology, vertebrates, invertebrates, hydrology and riparian systems, aquatic resources, fire, conservation and management, human uses through time, and visions for the future. Illustrated.
Proceedings of a conf. on the major problems facing grasslands in arid & semi-arid regions of the U.S. & Mexico & to seek solutions to those problems. Grasslands in many parts of the Southwest & northern Mexico are facing serious threats -- from urbanization & subdivision development to spread of invasive plant species to conflicts over grazing policy. Target groups for participation included private landowners, non-profit groups, government agencies, environmental advocates, economists, scientists, etc. Emphasized practical, hands-on mgmt. methods, including time in grasslands managed under a variety of techniques.