Social and technological management in dry lands: past and present, indigenous and imposed
In: AAAS selected symposium
Foreword -- Introduction -- An Empirical Approach to Prehistoric Agrarian Collapse: The Case of the Moche Valley, Peru -- Farmers and Technical Experts: Information Flow in Irrigated Agriculture -- Human Use of the Pre-Saharan Ecosystem and Its Impact on Desertization -- Utilization of Surface Water by Northern Arabian Bedouins -- Agroecosystem Diversity: A Model from the Sonoran Desert -- A Rational-Choice Model of Agricultural Resource Utilization and Conservation -- Drought versus Desertification: The Case of the Sahel -- Some Observations on Adaptation to Semi-arid Environments