Figure 9 from Franklin, et al. 2021

line plots depicting increasing barred owl and decreasing northern spotted owl occupancy at nine study sites

Detailed Description

Trends in territory occupancy for northern spotted owl pairs and barred owls on 11 study areas in Washington, Oregon, and California based on two-species occupancy models from 1993–2018.

Details

Image Dimensions: 2963 x 3203

Date Taken:

Location Taken: US

Source:

Range-wide Declines of Northern Spotted Owl Populations in the Pacific Northwest- A Meta-Analysis
Franklin, A.B., Dugger, K.M., Lesmeister, D.B., Davis, R.J., Wiens, J.D., White, G.C., Nichols, J.D., Hines, J.E., Yackulic, C.B., Schwarz, C.J., Ackers, S.H., Andrews, L.S., Bailey, L.L., Bown, R., Burgher, J., Burnham, K.P., Carlson, P.C., Chestnut, T., Conner, M.M., Dilione, K.E., Forsman, E.D., Glenn, E.M., Gremel, S.A., Hamm, K.A., Herter, D.R., Higley, J.M., Horn, R.B., Jenkins, J.M., Kendall, W.L., Lamphear, D.W., McCafferty, C., McDonald, T.L., Reid, J.A., Rockweit, J.T., Simon, D.C., Sovern, S.G., Swingle, J.K., Wise, H., 2021, Range-wide Declines of Northern Spotted Owl Populations in the Pacific Northwest- A Meta-Analysis: Biological Conservation, v. 259, no. July 2021, p. 109168, https://doi.org/10.1016/j.biocon.2021.109168.