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Species associated with open habitat and forest edges, like the Song Sparrow, are well detected along roads.
Species associated with forest interior habitat, like the Western Tanager, are under-sampled along roads.
Population estimates are important to support conservation and management of bird species. There are several ways to estimate the size of bird populations but one popular method uses Breeding Bird Survey data which is collected along roads. There are issues using roadside data to estimate bird population sizes in areas such as the boreal region, which is largely roadless. Therefore, in this project, two methods for estimating bird population sizes were compared:
For complete results see: Sólymos, P. et al. 2020. This publication is a result of years of collaboration between the ABMI, Boreal Avian Modelling (BAM) project, Canadian Wildlife Service (Environment and Climate Change Canada), and United States Geological Survey.
Alberta Biodiversity Monitoring Institute. 2019. Terrestrial ABMI autonomous recording unit (ARU) and remote camera trap protocols 2019-12-21. Alberta Biodiversity Monitoring Institute, Alberta, Canada. Report available at: https://www.wildtrax.ca/home/resources/method-protocol.html
Alberta Biodiversity Monitoring Institute. 2014. Terrestrial field data collection protocols (abridged version) 2014-03-21. Alberta Biodiversity Monitoring Institute, Alberta, Canada. Report available at: https://www.abmi.ca/home/publications/1-50/46.html
Bayne, E., M. Knaggs, and P. Sólymos. How to most effectively use autonomous recording units when data are processed by human listeners. Bioacoustic Unit, Alberta, Canada. Report available at: https://www.wildtrax.ca/home/resources/method-protocol.html
Ball, J.R., P. Sólymos, F.K.A. Schmiegelow, S. Hache, J. Schieck, and E. Bayne. 2016. Regional habitat needs of a nationally listed species, Canada Warbler (Cardellina canadensis), in Alberta, Canada. Avian Conservation and Ecology 11(2):10. http://dx.doi.org/10.5751/
Leston, L., E. Bayne, E. Dzus, P. Sólymos, T. Moore, D. Andison, D. Cheyne, and M. Carlson. 2020. Quantifying long-term bird population responses to simulated harvest plans and cumulative effects of disturbance. Frontiers in Ecology and Evolution 8:252. https://doi.org/10.3389/fevo.2020.00252
Knight, E.C, P. Sólymos, C. Scott, and E.M. Bayne. 2020. Validation prediction: a flexible protocol to increase efficiency of automated acoustic processing for wildlife research. Ecological Applications, 30: e02140. https://doi.org/10.1002/eap.2140
Sólymos, P., J.D. Toms, S.M. Matsuoka, S.G. Cumming, N.K.S. Barker, W.E. Thogmartin, D. Stralberg, A.D. Crosby, F.V. Dénes, S. Haché, C.L. Mahon, F.K.A. Schmiegelow, and E.M. Bayne. 2020. Lessons learned from comparing spatially explicit models and the Partners in Flight approach to estimate population sizes of boreal birds in Alberta, Canada. The Condor 122(2):duaa007. https://doi.org/10.1093/condor/duaa007
Yip, D.A., C.L. Mahon, A.G. MacPhail, and E.M. Bayne. 2021. Automated classification of avian vocal activity using acoustic indices in regional and heterogeneous datasets. Methods in Ecology and Evolution. https://doi.org/10.1111/2041-210X.13548