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Joan C. Hagar

Hagar, Joan C.

Research Wildlife Biologist

Email: joan_hagar@usgs.gov
Office: 541-750-0984
3200 SW Jefferson Way
Corvallis, OR 97331

Education

PhD in Forest Ecology, Oregon State University, 2004

Specialty

habitat relationships of forest birds
Oregon white oak communities

Research Interests

Forest and wildlife ecology
Wildlife-habitat relationships
Restoration of native habitats
Great Basin pygmy rabbits

Publications

39 Total

Viewing 1 to 10

Barry, A.M., Hagar, J.C., Rivers, J.W., 2017, Long-term dynamics and characteristics of snags created for wildlife habitat: Forest Ecology and Management, v. 403, no. 2017, p. 145-151, https://doi.org/10.1016/j.foreco.2017.07.049[Details]

Barry, A.M., Hagar, J.C., Rivers, J.W., 2017, Created snag characteristics and cavity-nesting bird associations in the CFIRP stands, McDonald-Dunn Research Forest, Corvallis, OR, USA, 2016: U.S. Geological Survey Data Release, https://doi.org/10.5066/F75M64MC[Details]

Pritchard, K.P., Hagar, J.C., Shaw, D.C., 2017, Oak mistletoe (Phoradendron villosum) is linked to microhabitat availability and avian diversity in Oregon white oak (Quercus garryana) woodlands: Botany, v. 95, no. 3, p. 283-294, https://doi.org/10.1139/cjb-2016-0249[Details]

Pritchard, K.P., Hagar, J.C., Shaw, D.C., 2017, Avian abundance and oak mistletoe survey data from the Willamette Valley, Oregon, 2013-2015: U.S. Geological Survey Data Release, https://doi.org/10.5066/F7H41PMC[Details]

Hoffman, Jr., R., Woodward, A., Haggerty, P., Jenkins, K.J., Griffin, P.C., Adams, M.J., Hagar, J.C., Cummings, T., Duriscoe, D., Kopper, K., Riedel, J., Marin, L., Mauger, G.S., Bumbaco, K., Littell, J.S., 2015, North Cascades National Park Service Complex- Natural Resource Condition Assessment: National Park Service NPS/NOCA/NRR --2015/901, p. 390. [Details]

Betts, M.G., Shirley, S.M., Hagar, J.C., 2014, Disentangling the effects of climate and landscape change on bird population trends in the western U.S. and Canada: Final Report to the Northwest Climate Science Center, p. 1-20. [Details]

Hagar, J.C., Eskelson, B.N., Haggerty, P., Nelson, S.K., Vesely, D.G., 2014, Modeling marbled murrelet (Brachyramphus marmoratus) habitat using LiDAR-derived canopy data: Wildlife Society Bulletin, v. 38, no. 2, p. 237-249, https://doi.org/10.1002/wsb.407[Details]

Hoffman, Jr., R., Woodward, A., Haggerty, P., Jenkins, K.J., Griffin, P.C., Adams, M.J., Hagar, J.C., Cummings, T., Duriscoe, D., Kopper, K., Riedel, J., Samora, B., Marin, L., Mauger, G.S., Bumbaco, K., Littell, J.S., 2014, Mount Rainier National Park- Natural Resource Condition Assessment. Natural Resource Report: National Park Service NPS/MORA/NRR--2014/894, p. 380. [Details]

Hagar, J.C., Manning, T., Barnett, J., 2013, Survey of Bats on the Mid-Columbia River National Wildlife Refuge Complex and Little Pend Oreille National Wildlife Refuge, December 2011 - April 2012: U.S. Geological Survey Open-File Report 2013-1120, p. 30. [Details]

Jenkins, S.R., Betts, M.G., Huso, M.M., Hagar, J.C., 2013, Habitat selection by juvenile Swainson’s thrushes (Catharus ustulatus) in headwater riparian areas, northwestern Oregon, USA: Forest Ecology and Management, v. 305, p. 88-95, https://doi.org/10.1016/j.foreco.2013.04.041[Details]

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