My research program focuses on answering two basic questions:
- How do we know what we think we know about forests? (i.e., forest measurements)
- How can we utilize what we know to better understand how forests work and how to manage them more effectively? (i.e., forest modeling).
Forests are complex ecosystems that are intricately linked to environmental quality and human industry. I am interested in developing new methods for measuring attributes of forests, particularly those attributes that are typically given less attention (under-measured), such as tree bark & branch measurements. I am also interested in improving methods for accurate forest resource inventories. This involves developing novel survey and sampling methodologies as well as new measurements. As examples, I recently helped improve the accuracy of the US national volume, biomass and carbon inventories and developed a new timber inventory system for the Michigan Department of Natural Resources.
An exciting new area of research I am working in now involves using laser scanning technology to study tree form and function.
Arseniou, G., MacFarlane, D.W., Calders, K. and Baker, M., 2023. Accuracy differences in aboveground woody biomass estimation with terrestrial laser scanning for trees in urban and rural forests and different leaf conditions. Trees, pp.1-19.
David, H. C., Barbosa, R. I., Vibrans, A. C., Watzlawick, L. F., Trautenmuller, J. W., Balbinot, R., ... & MacFarlane, D. W. (2022). The tropical biomass & carbon project–An application for forest biomass and carbon estimates. Ecological Modelling, 472, 110067.
Dettmann, G.T., MacFarlane, D.W., Radtke, P.J., Weiskittel, A.R., Affleck, D.L., Poudel, K.P. and Westfall, J., 2022. Testing a generalized leaf mass estimation method for diverse tree species and climates of the continental United States. Ecological Applications, 32(7), p.e2646.
Mukerjee, S., Doroshewitz, J., Merlo, J.M., Oakley, C., Udpa, L., MacFarlane, D.W., Huff, E. and Nanzer, J.A., 2022. A Microwave Tomography System Using Time-Reversal Imaging for Forestry Applications. IEEE Journal of Microwaves, 2(4), pp.614-625.
Stanke, H., Finley, A.O., Domke, G.M., Weed, A.S. and MacFarlane, D.W., 2021. Over half of western United States' most abundant tree species in decline. Nature Communications, 12(1), pp.1-11.
Arseniou, G., MacFarlane, D.W. and Seidel, D. 2021. Woody Surface Area Measurements with Terrestrial Laser Scanning Relate to the Anatomical and Structural Complexity of Urban Trees. Remote Sensing, 13(16), p.3153.
Arseniou, G., MacFarlane, D.W. and Seidel, D. 2021. Measuring the Contribution of Leaves to the Structural Complexity of Urban Tree Crowns with Terrestrial Laser Scanning. Remote Sensing, 13(14), p.2773.
Arseniou, G. and MacFarlane, D.W., 2021. Crown Fractal Geometry Adapts Trees to City Life. The Bulletin of the Ecological Society of America, 102(2), p.e01857.
Arseniou, G. and MacFarlane, D.W. 2021. Fractal dimension of tree crowns explains species functional‐trait responses to urban environments at different scales. Ecological Applications, 31(4), p.e02297.
Veintimilla, R.A.R., MacFarlane, D. and Cooper, L., 2021. The carbon sequestration potential of ‘analog’ forestry in Ecuador: an alternative strategy for reforestation of degraded pastures. Forestry: An International Journal of Forest Research, 94(1), pp.102-114.
MacFarlane, D.W., 2020. Functional relationships between branch and stem wood density for temperate tree species in North America. Frontiers in Forests and Global Change, 3, doi: 10.3389/ffgc.2020.00063
Hassan C David, D.W. MacFarlane, Sylvio Péllico Netto, Ana Paula Dalla Corte, Daniel Piotto, Yeda M M de Oliveira, Vinicius A Morais, Carlos R Sanquetta, Rorai P M Neto. 2019. Exploring coarse- to fine-scale approaches for mapping and estimating forest volume from Brazilian National Forest Inventory data, Forestry: An International Journal of Forest Research, , cpz030, https://doi.org/10.1093/forestry/cpz030
Neil R Ver Planck and MacFarlane, D.W. 2019. Branch mass allocation increases wind throw risk for Fagus grandifolia, Forestry: An International Journal of Forest Research, , cpz001, https://doi.org/10.1093/forestry/cpz001
Dettman, G.T. and MacFarlane, D.W. 2018. Trans-species predictors of tree leaf mass. Ecological Applications, 29(1): e01817. 10.1002/eap.1817
Clough, B.J., Domke, G.M., MacFarlane, D.W., Radtke, P.J., Russell, M.B., Weiskittel, A.R. 2018. Comparison of approaches for predicting total tree aboveground biomass and its components in the primary conifer and hardwood species of eastern United States. Forestry: An International Journal of Forest Research, Forestry; 00, 1–14, doi:10.1093/forestry/cpy016.
Frank, J., Castle, M., Westfall, J., Weiskittel, A., MacFarlane, D.W., Baral, S, Radtke, P., and Pelletier, G. 2018. Variation in occurrence and extent of internal stem decay in standing trees across eastern US and Canada: Evaluation of alternative modeling approaches and influential factors. Forestry: An International Journal of Forest Research; 91, 382–399, doi:10.1093/forestry/cpx054
David, H.C., Gomes de Araújo, E.J., Morais, V.A., Scolforo, J.R.S., Marques, J.M., Péllico, S. and MacFarlane, D.W. 2017. Carbon stock classification for tropical forests in Brazil: Understanding the effect of stand and climate variables. Forest Ecology and Management, 404: 241–250.
McCann, R.S., Messina, J.P., MacFarlane, D.W.,, M. Nabie Bayoh, Gimnig, J.E. Giorgi, E. and Walker, E.D. 2017. Explaining variation in adult Anopheles indoor resting abundance: the relative effects of larval habitat proximity and insecticide-treated bed net use. Malaria Journal, 16:288. DOI 10.1186/s12936-017-1938-1.
MacFarlane, D.W. and Kane, B., 2017. Neighbour effects on tree architecture: functional trade‐offs balancing crown competitiveness with wind resistance. Functional Ecology, 31(8), pp.1624-1636.
Radtke, P., Walker, D., Frank, J., Weiskittel, A., DeYoung, C., MacFarlane, D.W., Domke, G., Woodall, C., Coulston, J. and Westfall, J., 2017. Improved accuracy of aboveground biomass and carbon estimates for live trees in forests of the eastern United States. Forestry: An International Journal of Forest Research, 90(1), pp. 32-46.
MacFarlane, D.W., Weiskittel, A.R. 2016. A new method for capturing stem taper variation for trees of diverse morphological types. Can. J. For. Res. 46: 804–815.
MacFarlane, D.W., Kinzer, A.T., Banks, J.E. 2015. Coupled human-natural regeneration of indigenous coastal dry forest in Kenya. Forest Ecology and Management, 354: 149–159.
MacFarlane, D.W. 2015. A generalized tree component biomass model derived from principles of variable allometry. Forest Ecology and Management, 354: 43-55.
Weiskittel, A.R., MacFarlane, D.W., Radtke, P.J. Affleck, D.L.R., Hailemariam, T.,Westfall, J.A., Woodall, C.W., and Coulston, J.W. 2015. A call to improve methods for estimating tree biomass for regional and national assessments. Journal of Forestry, 113(4):414–424.
Ver Planck N.R., MacFarlane, D.W. 2015. A vertically integrated whole-tree biomass Model. Trees, 29: 449–460.
McCann, R.S., Messina, J.P., MacFarlane, D.W., Nabie Bayoh, B.M., Vulule, J.M., Gimnig, J.E. and Walker, E.D. 2014. Modeling larval malaria vector habitat locations using landscape features and cumulative precipitation measure. International Journal of Health Geographics, 13:17, 1-12.
MacFarlane, D.W., Kuyah, S., Mulia, R., Dietz, J., Muthuri, C., and Van Noordwijk, M. 2014. Evaluating a non-destructive method for calibrating tree biomass equations derived from tree branching architecture. Trees, 28: 807–817.
Ver Planck, N.R. and MacFarlane, D.W., 2014. Modelling vertical allocation of tree stem and branch volume for hardwoods. Forestry: An International Journal of Forest Research, 87(3), pp.459-469.
An, Hong Su, MacFarlane, David W. 2012. Comparing a new model-based method to fixed-area sampling for estimating the abundance of standing dead trees. Forestry: An International Journal of Forest Research, 2013; 86, 231–239.
Wang, Z., MacFarlane, D.W. 2012. Evaluating the biomass production of coppiced willow and poplar clones in Michigan, USA, over multiple rotations and different growing conditions. Biomass and Bioenergy, 46, 380-388.
Woodall, C.W., Domke, G.M., MacFarlane, D.W., and Oswalt, C.M. 2011. Comparing field- and model-based standing dead tree carbon stock estimates across forests of the US. Forestry: An International Journal of Forest Research; 85: 125–133.
MacFarlane, D.W. 2011. Allometric scaling of branch volume in hardwood trees in Michigan, USA: implications for improvements in above-ground forest carbon biomass inventories. For. Sci. 57(6):451– 459.
Finley, A.O., S. Banerjee, and MacFarlane, D.W.. 2011. A Hierarchical Model for Quantifying Forest Variables over Large Heterogeneous Landscapes with Uncertain Forest Areas. Journal of the American Statistical Association. March 2011, Vol. 106, No. 493, 31-48.
MacFarlane, D.W. 2010. Predicting branch to bole volume scaling relationships from varying centroids of tree bole volume. Can. J. For. Res. 40(12): 2278–2289.
MacFarlane, D.W. and Luo, A. 2009. Quantifying tree and forest bark structure with a bark-fissure index. Can. J. For. Res. 39(10): 1859–1870.
MacFarlane, D.W. 2009. Potential availability of urban wood biomass in Michigan: implications for energy production, carbon sequestration and sustainable forest management in the USA. Biomass & Bioenergy, 33, 628-634.
Rubin B.D. and MacFarlane, D.W. 2008. Using the space-time permutation scan statistic to map anomalous diameter distributions drawn from landscape-scale forest inventories. For. Sci. 54(5): 523-533.
MacFarlane, D.W. 2007. Quantifying urban saw timber abundance and quality in south eastern Lower Michigan, U.S. Arboriculture and Urban Forestry 33(4): 253-263.
Zakrzewski, W.T., MacFarlane D.W. 2006. Regional stem profile model for cross border comparisons of harvested red pine (Pinus resinosa Ait.) in Ontario and Michigan, For. Sci. 52(4): 468-475.
MacFarlane, D.W. and Kobe, R.K. 2006. Selecting models for capturing tree size effects on growth-resource relationships. Can. J. For. Res. 36: 1695-1704.
MacFarlane, D.W. and Meyer, S.P. 2005. Characteristics and distribution of potential ash tree hosts for Emerald Ash Borer. For. Ecol. & Manage., 213: 15-24.
MacFarlane, D.W. 2004. Ecologically stratified height-diameter models for hardwood species in northwestern Lower Michigan. In Proceedings of the 14th Central Hardwoods Forest Conference, GTR-NE-316, Wooster, Ohio, March 17-19th, 2004.
MacFarlane, D.W., Green, E.J., Brunner, A., and Amateis, R.L. 2003. Modeling loblolly pine canopy dynamics for a light capture model. For. Ecol. & Manage. 173: 145-168.
MacFarlane, D.W., Green, E.J., Brunner, A., and Burkhart, H.E. 2002. Predicting survival and growth rates for individual loblolly pine trees from light capture estimates. Can. J. For. Res. 32(11): 1970-1983.
MacFarlane, D.W., Green, E.J., and Burkhart, H.E. 2000. Population density influences assessment and application of site index. Can. J. For. Res. 30(9): 1472-1475.
MacFarlane, D.W., Green, E.J., and Valentine, H.T. 2000. Incorporating uncertainty into the parameters of a forest growth model. Ecol. Model. 134:27-40.
Green, E.J., MacFarlane, D.W., and Valentine, H.T. 2000. Bayesian synthesis for quantifying uncertainty in predictions from process models. Tree physiology 20: 415-419
Green, E.J., MacFarlane, D.W., Valentine, H.T. and Strawderman, W.E. 1999. Assessing uncertainty in a stand growth model by Bayesian Synthesis. For. Sci. 45(4): 528-538
Valentine, H.T., Amateis, R.L., Burkhart, H.E., Gregoire, T.G., Hollinger, D.Y. and MacFarlane, D.W. 1999. Growth of loblolly pine in a changing atmosphere. South. J. Appl. For. 23(4):212-216.
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