@conference {51301,
	title = {Canopy insect populations as indicators of exposure to acute stressors (drought and grazing) and chronic stressors (desertification and exotic plant species)},
	booktitle = {International Symposium and Workshop Combating Desertification: Connecting Science with Community Action},
	year = {1997},
	month = {May 12-16, 1997},
	pages = {Abstract 22},
	address = {Tucson, AZ},
	url = {/files/bibliography/596.pdf},
	author = {W. E. Smith and Justin Van Zee and Walter G. Whitford}
}
