Roy Petrakis
Science and Products
Mapping perceived social values to support a respondent-defined restoration economy: Case study in southeastern Arizona, USA
Investment in conservation and ecological restoration depends on various socioeconomic factors and the social license for these activities. Our study demonstrates a method for targeting management of ecosystem services based on social values, identified by respondents through a collection of social survey data. We applied the Social Values for...
Lysaght, Oliver; Sherrouse, Benson C.; Semmens, Darius J.; Bagstad, Kenneth J.; Pritzlaff, Richard; Petrakis, Roy; Norman, Laura M.; Lysaght, Oliver; Sherrouse, Benson C.; Semmens, Darius J.; Bagstad, Kenneth J.; Pritzlaff, Richard Evaluating and monitoring forest fuel treatments using remote sensing applications in Arizona, U.S.A.
The practice of fire suppression across the western United States over the past century has led to dense forests, and when coupled with drought has contributed to an increase in large and destructive wildfires. Forest management efforts aimed at reducing flammable fuels through various fuel treatments can help to restore frequent fire regimes and...
Petrakis, Roy; Villarreal, Miguel L.; Wu, Zhuoting; Hetzler, Robert; Middleton, Barry R.; Norman, Laura M. Historical analysis of riparian vegetation change in response to shifting management objectives on the Middle Rio Grande
Riparian ecosystems are valuable to the ecological and human communities that depend on them. Over the past century, they have been subject to shifting management practices to maximize human use and ecosystem services, creating a complex relationship between water policy, management, and the natural ecosystem. This has necessitated research on the...
Petrakis, Roy; van Leeuwen, Willem J.D.; Villarreal, Miguel L.; Tashjian, Paul; Dello Russo, Regina; Scott, Christopher A. Vegetative response to water availability on the San Carlos Apache Reservation
On the San Carlos Apache Reservation in east-central Arizona, U.S.A., vegetation types such as ponderosa pine forests, pinyon-juniper woodlands, and grasslands have significant ecological, cultural, and economic value for the Tribe. This value extends beyond the tribal lands and across the Western United States. Vegetation across the Southwestern...
Petrakis, Roy; Wu, Zhuoting; McVay, Jason; Middleton, Barry R.; Dye, Dennis G.; Vogel, John M.
Integrating stream gage data and Landsat imagery to complete surface water records
This article is part of the Spring 2020 issue of the Earth Science Matters Newsletter.