Aaron D. Flesch, Ph.D.

Research Scientist

University of Arizona
School of Natural Resources and the Environment
The Desert Lab - Tumamoc Hill 1675 Alklam Road           Tucson, AZ 85745            

flesch@email.arizona.edu

Web Site

Research Gate

Google Scholar

Grants and Awards

  • Restoration of priority habitats for Neotropical migratory birds in the Madrean Sky Islands of northwest Mexico II, 2016-2018. U.S. Fish and Wildlife Service, Division of Bird Habitat Conservation, $183,250 (pending; with Borderlands Restoration).
  • Elf owl home range, habitat use, and detectability study, 2016-2018 (supplemental support). U.S. Bureau of Reclamation - Lower Colorado River Multi-species Conservation Program, $107,749 (with Great Basin Bird Observatory).
  • Ecology and monitoring of ferruginous pygmy-owls in northern Sonora, 2016. BBC – British Broadcasting Corporation, $6,400 (with S. Jacobs and R. Villa).
  • Review of statistical procedures for ecological monitoring program, 2015-2017. U.S. National Park Service, Organ Pipe Cactus National Monument, $20,000.
  • Application of distance sampling for Pima Pineapple Cactus population enumeration and monitoring, 2015-2017. ESA Section 6 Research for Threatened and Endangered AZ Plants, $17,009 (with B. Powell).
  • Riparian bird community and habitat monitoring on the Madison and Missouri rivers, Montana, 2015-2016. Northwest Energy, Bureau of Land Management, and University of Montana, $78,161 (with A. Noson)
  • Population trends, extinction risk, and conservation guidelines for ferruginous pygmy-owls in the Sonoran Desert, 2015-2017. Science Support Partnership Program - U.S. Geological Survey and U.S. Fish and Wildlife Service, $24,981 (with P. Nagler and S. Richardson).
  • Elf owl home range, habitat use, and detectability study, 2014-2018. U.S. Bureau of Reclamation - Lower Colorado River Multi-species Conservation Program, $601,551 (with Great Basin Bird Observatory).
  • Extinction risk and conservation guidelines for endangered pygmy-owls in the Sonoran Desert, 2014-2015. Shared Earth Foundation, $6,902.
  • Plant species response to climate change in the Sonoran Desert, 2014-2015. U.S. National Park Service, Organ Pipe Cactus National Monument, $60,000 (with P. Rosen and E. Larios).
  • Analysis of ecological monitoring data from Sonoran Desert Parks, 2013-2015. U.S. National Park Service Intermountain Region, Mexican American Border Conservation Office, $65,000 (with P. Rosen).
  • Ecology of small desert owls in the Sonoran Desert, 2013. NHK – Japan Public Broadcasting Corperation and Chiyoda Raft, Tokyo, Japan, $13,771 (with S. Jacobs)
  • Population trends of ferruginous pygmy-owls in northern Sonora, Mexico 2013. Defenders of Wildlife, $650.
  • Distribution, abundance, and habitat of Madrean breeding birds in the northern Sierra Madre Occidental and adjacent Sky Islands, 2012-2013. U.S. Fish and Wildlife Service, Southwest Region Migratory Bird Office and Sonoran Joint Venture, $31,640 (with R. L. Hutto).
  • Restoration of priority habitats for Neotropical migratory birds in the Madrean Sky Islands region, 2011-2013. U.S. Fish and Wildlife Service, Division of Bird Habitat Conservation, $189,810 (with R. L. Hutto and Sky Island Alliance).
  • Status and seasonal variation in bird distribution and abundance in thornscrub and riparian environments of east-central Sonora, 2011-2013. Northern Jaguar Project and U.S. Fish and Wildlife Service, Division of Bird Habitat Conservation, $18,820.
  • Besancon Graduate Scholarship, 2011-2012. University of Montana, Graduate College, $20,000
  • Bertha Morton Graduate Fellowship, 2011-2012. University of Montana, Graduate College, $5,000
  • Bird communities of the Northern Jaguar Reserve. 2011. Northern Jaguar Project and U.S. Fish and Wildlife Service, Division of Bird Habitat Conservation, $12,875.
  • Clancy Gordon Environmental Scholarship, 2010-2011. University of Montana, Graduate College, $2,300
  • Habitat quality and status of ferruginous pygmy-owls in northern Sonora Mexico 2009-2012. Tucson Audubon Society and Defenders of Wildlife, $13,000.
  • Migratory and resident birds of the Northern Jaguar Reserve of Sonora Mexico. 2009-2010. Northern Jaguar Project and U.S. Fish and Wildlife Service, Division of Bird Habitat Conservation, $14,450.
  • Bertha Morton Graduate Scholarship, 2009-2010. University of Montana, Graduate College, $2,000
  • Status, distribution, and biogeography of birds in the Sky Islands of northern Sonora Mexico.  2009-2012.  Sky Island Alliance and Veolia Environment Foundation, $15,500.
  • Population trends of ferruginous pygmy-owls in northern Sonora Mexico 2009. Center for Biological Diversity and Global Owl Project, $2,000.
  • Status, distribution, and biogeography of birds in the Sky Islands of northern Sonora Mexico.  2008-2013.  Rocky Mountain and Desert Southwest Cooperative Ecosystem Studies Units and Intermountain Region International Conservation Programs Office, National Park Service, $102,890 (with R.L. Hutto).
  • Population and demographic trends of ferruginous pygmy-owls in northern Sonora, Mexico and implications for Organ Pipe Cactus National Monument.  2008-2009.  Desert Southwest Cooperative Ecosystem Studies Unit and Organ Pipe Cactus National Monument, National Park Service, $20,000.
  • Migratory and resident birds of the Northern Jaguar Reserve of Sonora Mexico. 2008. Northern Jaguar Project and U.S. Fish and Wildlife Service, Division of Bird Habitat Conservation, $11,200.
  • Population trends of ferruginous pygmy-owls in northern Sonora Mexico. 2008. Global Owl Project, Arizona Zoological Society, and Rincon Chapter of the Sierra Club, $5,250.
  • Implementation of Bird Monitoring for the Sonoran Desert Network of National Parks. 2008. National Park Service Inventory and Monitoring Program - Sonoran Desert Network, $34,566.
  • Population trends of rodents and lizards at Organ Pipe Cactus NM 1989-2006 and implications for future efforts. 2008. National Park Service Inventory and Monitoring Program - Sonoran Desert Network and Organ Pipe Cactus National Monument, $11,600.
  • Analysis of monitoring data for rodents and lizards at Organ Pipe National Monument and implications for future efforts.  2007.  Desert Southwest Cooperative Ecosystem Studies Unit, National Park Service, $14,800 (with B.F. Powell and R.J. Steidl).
  • Implications of transboundary development on movements and conservation of wildlife in the United States-Mexico borderlands.  2007.  Defenders of Wildlife, $4,000.
  • Status and population size of breeding grassland birds on Rancho Los Fresnos in the Upper San Pedro River Valley. Biodiversidad y Desarrollo Armónica, $2,275.
  • Migratory and resident birds of the Northern Jaguar Reserve of Sonora Mexico.  2007.  Northern Jaguar Project and U.S. Fish and Wildlife Service, Division of Bird Habitat Conservation, $4,385.
  • Workshop on monitoring and identification of birds in the San Pedro River Valley and Rancho Los Fresnos in Sonora Mexico.  2007.  Biodiversidad y Desarrollo Armónica, $500.
  • Population and demographic trends of ferruginous pygmy-owls in northern Sonora Mexico and implications for recovery in Arizona. Defenders of Wildlife. T&E, Inc., and Center for Biological Diversity, $8,500.

    2006 Distribution and abundance of birds of conservation interest and identification of important bird areas in Sonora Mexico. U.S. Fish and Wildlife Service - Sonoran Joint Venture and T&E, Inc., $9,250.
  • Population and demographic trends of ferruginous pygmy-owls in northern Sonora Mexico and implications for recovery in Arizona.  2006.  Defenders of Wildlife, Tucson Audubon Society, Rincon Chapter of the Sierra Club, and Center for Biological Diversity, $10,000.
  • Population trends of ferruginous pygmy-owls in northern Mexico and implications for management in Tumacácori National Historical Park and other Arizona National Park Units.  2005.  Desert Southwest Cooperative Ecosystem Studies Unit, National Park Service, $7,250 (with R.J. Steidl).
  • Population and productivity trends of cactus ferruginous pygmy-owls in northern Sonora Mexico.  2005.  T&E, Inc., $2,500 (with R.J. Steidl).
  • Trends and productivity of cactus ferruginous pygmy-owls in northern Sonora, Mexico: implications for Organ Pipe Cactus National Monument.  2004.  Desert Southwest Cooperative Ecosystem Studies Unit and Intermountain Region International Conservation Programs Office, National Park Service, $10,000 (with R.J. Steidl).
  • Population trends of cactus ferruginous pygmy-owls in northern Sonora Mexico and implications for recovery in Arizona.  2004.  T&E, Inc., $2,500 (with R.J. Steidl).
  • Association between roadways and cactus ferruginous pygmy-owls in northern Sonora, Mexico.  2003.  Arizona Department of Transportation, $279,271 (with R.J. Steidl).
  • Nesting habitat of cactus ferruginous pygmy-owls in the Sonoran Desert.  2001.  U.S. Fish and Wildlife Service, Sonoran Joint Venture, $7,500 (with R.J. Steidl).
  • Nesting habitat and surveys for cactus ferruginous pygmy-owls in the Sonoran Desert.  2001.  U.S. Fish and Wildlife Service, $8,000 (with R.J. Steidl).
  • Survey of breeding and migratory birds on Cabeza Prieta National Wildlife Refuge. 2000.  U.S. Fish and Wildlife Service, $8,000 (with R.J. Steidl).
  • Distribution, relative abundance, and habitat of cactus ferruginous pygmy-owls in Sonora, Mexico.  2000.  U.S. Fish and Wildlife Service, $141,302.
  • Grassland bird monitoring on the Buenos Aires National Wildlife Refuge.  1999.   U.S. Fish and Wildlife Service, Buenos Aires NWR, $1,885.
  • Gray hawk surveys and nest monitoring and yellow-billed cuckoo surveys in the Altar Valley.  1999.  U.S. Fish and Wildlife Service, Buenos Aires NWR, $2,960.
  • Surveys, nest searching and monitoring, and habitat use of cactus ferruginous pygmy-owls in the Altar Valley.  1999.  U.S. Fish and Wildlife Service, Region II and Buenos Aires NWR, $25,114.
  • Cactus ferruginous pygmy-owl surveys on the San Bernardino National Wildlife Refuge.  1998.  U.S. Fish and Wildlife Service, San Bernardino NWR, $500.
  • Arivaca Creek and Arivaca Cienega avian monitoring program for the Buenos Aires National Wildlife Refuge.  1998.  U.S. Fish and Wildlife Service, Buenos Aires NWR, $3,945.
  • Grassland bird monitoring on the Buenos Aires National Wildlife Refuge.  1998.  U.S. Fish and Wildlife Service, Buenos Aires NWR, $2,870.
  • Distribution and abundance of grassland birds on the Buenos Aires National Wildlife Refuge: A monitoring program.  1997.  U.S. Fish and Wildlife Service, Buenos Aires NWR, $2,267.
  • Vegetation communities of the Theodore Roosevelt Memorial Bird Sanctuary: A quantitative description.  1996.  National Audubon Society, $976.
  • Marlin Perkins Scholarship. 1995. Mutual of Omaha Wildlife Heritage Center, $1,000.