a Department of Psychiatry, University of Arizona, Tucson, AZ, USA b Department of Psychology, University of Arizona, Tucson, AZ, USA c Department of Neurology, University of Arizona, Tucson, AZ, USA d Department of Psychology, Stanford University, Palo Alto, CA, USA e Banner Positron Emission Tomography Center, Banner Good Samaritan Medical Center, Phoenix, AZ, USA f Banner Alzheimer's Institu...

The objective of this paper is to discuss concepts of landscape sustainability in the Phoenix metropolitan area. Phoenix is situated in the greater Salt River Valley of the lower Sonoran Desert in the southwest United States. In this paper I use the ecological frameworks of ecosystem services and resiliency as a metric for understanding landscape sustainability. An assessment of landscape susta...

Phoenix is a multi-agent planning system that fights simulated forest fires. In this paper we describe an experiment with Phoenix in which we uncover factors that affect the planner's behavior and test predictions about the planner's robustness against variations in some of these factors. We also introduct a technique – path analysis – for constructing and testing causal explanations of the pla...

dubas bug, ommatissus lybicus de bergevin (hem.: tropiduchidae), is a key pest of date palms in iran.this pest was first reported on date palms in 1966 and has been established throughout the date producing regions in southern iran since. date palm is the only host plant of dubas bug. it attacks almost all date palm varieties, esp. mazafati variety in city of bam, kerman province and other vari...