How the GIS was used to map and quantify policy impacts

Also in this issue:

An ecological comparison of spiders from urban and natural habitats in California

UC research can foster science-based land-use planning

Sharpshooter on the move

Oaks deaths become epidemic

Wine growers face new complexities

Mapping vineyard expansion provides information on agriculture and the environment

Modeling vineyard expansion, potential habitat fragmentation

Publicly funded weather database benefits users statewide

Avocado and citrus orchards along the coast may use less water

Broccoli residues can control Verticillium wilt of cauliflower

Commercial handling influences quality and ripening of Bartlett pears

Monitoring soil moisture helps refine irrigation management

Soil type affects accuracy of dielectric moisture sensors

Effectiveness of tensiometers and electrical resistance sensors varies with soil conditions

Harvest mechanization helps agriculture remain competitive