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wildlife & fisheries
Area of Expertise:wildlife conservation and management; population modeling; biomass estimation; avian, mammalian, and invertebrate ecology
Area of Expertise:Estimating agricultural water use in the Southwestern United States using GIS, remote sensing and field verification. Monitoring post wildfire runoff using the CSA method
Dickens, J.M., Forbes, B.T., Cobean, D.S., and Tadayon, Saeid, 2011, Documentation of methods and inventory of irrigation data collected for the 2000 and 2005 U.S. Geological Survey Estimated use of water in the United States, comparison of USGS-compiled irrigation data to other sources, and recommendations for future compilations: U.S. Geological Survey Scientific Investigations Report 2011–5166, 60 p., available at http://pubs.usgs.gov/sir/2011/5166/.
Area of Expertise:Effects of total suspended sediment on the diet and reproduction of Yaqui chub
The Yaqui chub, Gila purpurea, is a small, endangered fish species, native to the Rio Yaqui drainage of southern Arizona, on San Bernardino National Wildlife Refuge, and northern Sonora, Mexico. Construction of bridges and roads at the U.S.-Mexico border, and activities conducted by the US Border Patrol, such as dragging roads to check for footprints and patrolling dirt roads, have prompted concern about increased sedimentation of the Rio Yaqui.
Area of Expertise:management of large mammals
Worked as a Wildlife Technician and Biological Consultant for Navajo Nation Department of Fish and Wildlife. Worked a summer internship in Soil Sciences at North Dakota State University in Fargo, ND.
Area of Expertise:Dispersal, behavioral phenotypes, population ecology, conservation biology
I completed my Bachelors of Science at St. Lawrence University in Canton, NY. For my undergraduate thesis, I performed two projects (1) Behavioral Habitat Selection of the North American Porcupine (Erethizon dorsatum) and (2) Winter porcupine (Erethizon dorsatum) foraging in hemlock stands as a facilitator for white-tailed deer (Odocoileus virginianus) foraging.
The UA Wild Cat Research and Conservation Center is featured on two new banners on the UA mall. One banner is located in front of the Arizona Student Union, and the other in front of the Science and Engineering Library. The banners highlight the Wild Cat Center’s important contributions to wild cat research, especially related to the conservation of the jaguar.
SNRE students Erin Posthumus and Jonathan Derbridge receive Grants-in-Aid of Research from the American Society of Mammalogists
Erin Posthumus (MS student in Wildlife & Fisheries) and Jonathan Derbridge (PhD student in Wildlife & Fisheries) were recently awarded highly competitive Grants-in-Aid of Research from the American Society of Mammalogists. Erin's proposal " Can red squirrel (Tamiasciurus hudsonicus) middens affect species diversity?" and Jonathan's effort "Using stable isotope analysis and experimental removals of a syntopic non-native competitor to determine mechanisms of competition with an endangered tree squirrel" were selected for awards from nearly 100 submitte
Area of Expertise:Wildlife conservation and management, raptor biology, and urban wildlife ecology
I am a MS student in Dr. Bill Mannan’s lab. My interests are in wildlife conservation and management, but particularly in raptor biology and urban wildlife ecology.