Hawaiian forest bird trends: using log-linear models to assess long-term trends is supported by model diagnostics and assumptions (reply to Freed and Cann 2013)
Condor
By: Richard J. Camp, Thane K. Pratt, P. Marcos Gorresen, Bethany L. Woodworth, and John J. Jeffrey
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Abstract
Freed and Cann (2013) criticized our use of linear models to assess trends in the status of Hawaiian forest birds through time (Camp et al. 2009a, 2009b, 2010) by questioning our sampling scheme, whether we met model assumptions, and whether we ignored short-term changes in the population time series. In the present paper, we address these concerns and reiterate that our results do not support the position of Freed and Cann (2013) that the forest birds in the Hakalau Forest National Wildlife Refuge (NWR) are declining, or that the federally listed endangered birds are showing signs of imminent collapse. On the contrary, our data indicate that the 21-year long-term trends for native birds in Hakalau Forest NWR are stable to increasing, especially in areas that have received active management.
Suggested Citation
Camp, R., Pratt, T.K., Gorresen, P.M., Woodworth, B., Jeffrey, J.J., 2014, Hawaiian forest bird trends: using log-linear models to assess long-term trends is supported by model diagnostics and assumptions (reply to Freed and Cann 2013): Condor, v. 116, no. 1, p. 97-101, https://doi.org/10.1650/CONDOR-13-089.1.
Study Area
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Hawaiian forest bird trends: using log-linear models to assess long-term trends is supported by model diagnostics and assumptions (reply to Freed and Cann 2013) |
| Series title | Condor |
| DOI | 10.1650/CONDOR-13-089.1 |
| Volume | 116 |
| Issue | 1 |
| Year Published | 2014 |
| Language | English |
| Publisher | Cooper Ornithological Society |
| Contributing office(s) | Pacific Island Ecosystems Research Center |
| Description | 5 p. |
| Larger Work Type | Article |
| Larger Work Subtype | Journal Article |
| Larger Work Title | Condor |
| First page | 97 |
| Last page | 101 |
| Country | United States |
| State | Hawai'i |
| Other Geospatial | Hakalau Forest National Wildlife Refuge |