Statistical comparison of additive regression tree methods on ecological grassland data
Article
Plant, Emily, King, Rachel and Kath, Jarrod. 2021. "Statistical comparison of additive regression tree methods on ecological grassland data." Ecological Informatics. 61, pp. 1-23. https://doi.org/10.1016/j.ecoinf.2020.101198
| Article Title | Statistical comparison of additive regression tree methods on ecological grassland data |
|---|---|
| ERA Journal ID | 124225 |
| Article Category | Article |
| Authors | Plant, Emily (Author), King, Rachel (Author) and Kath, Jarrod (Author) |
| Journal Title | Ecological Informatics |
| Journal Citation | 61, pp. 1-23 |
| Article Number | 101198 |
| Number of Pages | 23 |
| Year | 2021 |
| Publisher | Elsevier |
| Place of Publication | Netherlands |
| ISSN | 1574-9541 |
| Digital Object Identifier (DOI) | https://doi.org/10.1016/j.ecoinf.2020.101198 |
| Web Address (URL) | https://www.sciencedirect.com/science/article/pii/S1574954120301485 |
| Abstract | Additive tree methods are widely used in ecology. To date most ecologists have used boosted regression tree (BRT) methods. However, Bayesian additive regression tree (BART) models may offer advantages to ecologists previously unexamined. Here we test whether BART has some benefits over the widely used BRT method. To do this we use two grassland data and 13 hydroclimatic and land use predictor variables. The dataset contained data from a period of drought as well as during a recovery phase after the drought. The response variable was the trend in the Enhanced Vegetation Index (EVI), which is an remotely sensed indicator of grassland degradation and recovery. The settable parameters of both methods (BRT and BART) were varied to compare the performance of each method. BRT and BART models were evaluated using three prediction error statistics; root mean square error (RMSE), mean absolute error (MAE), and the coefficient of determination (R2). The best models across the two methods were assessed by inspecting the relative importance of predictor variables and the prediction error statistics. BRT and BART models exhibited similar variable selection abilities, but the BART method generated models with similar or more favourable prediction error statistics than the BRT method (BART explained an additional 10.17% to 11.92% of the variation than BRT models). Our results indicate that BARTs may be more effective at modelling ecological data than BRTs. BARTs also had shorter run times, more reasonable defaults in its software implementation, and greater functionality of said software implementation, beyond model building and prediction functions. Ecologists using additive regression approaches may benefit from using BART approaches and we suggest their use alongside more commonly used BRT methods in ecological studies. |
| Keywords | Bayesian additive regression tree; Boosted regression tree; Remote sensing; Satellite; Grassland; Pasture |
| ANZSRC Field of Research 2020 | 300206. Agricultural spatial analysis and modelling |
| 490501. Applied statistics | |
| 300202. Agricultural land management | |
| Public Notes | Files associated with this item cannot be displayed due to copyright restrictions. |
| Byline Affiliations | School of Sciences |
| Faculty of Health, Engineering and Sciences | |
| Centre for Applied Climate Sciences | |
| Institution of Origin | University of Southern Queensland |
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Watson, Richard, King, Rachel, Dekeyser, Stijn, Bare, Liz and Baldock, Clive. 2015. "Current practice in academic workload allocation processes in Australia." Dobson, Ian R. and Sharma, Raj (ed.) Tertiary Education and Management Conference 2015: Leading Locally Competing Globally (TEMC 2015). Wollongong, Australia 30 Aug - 02 Sep 2015 Australia.Groundwater salinization intensifies drought impacts in forests and reduces refuge capacity
Kath, Jarrod, Powell, Sue, Reardon-Smith, Kathryn, El Sawah, Sondoss, Jakeman, Anthony J., Croke, Barry F.W. and Dyer, Fiona J.. 2015. "Groundwater salinization intensifies drought impacts in forests and reduces refuge capacity." Journal of Applied Ecology. 52 (5), pp. 1116-1125. https://doi.org/10.1111/1365-2664.12495Broad scale mapping of vegetation cover across Australia from rainfall and temperature data
Pudmenzky, Christa, King, Rachel and Butler, Harry. 2015. "Broad scale mapping of vegetation cover across Australia from rainfall and temperature data." Journal of Arid Environments. 120, pp. 55-62. https://doi.org/10.1016/j.jaridenv.2015.04.010Groundwater thresholds for drought resilience in floodplain woodlands: a case study from the northern Murray-Darling Basin
Kath, Jarrod, Reardon-Smith, Kate, Le Brocque, Andy and Dyer, Fiona. 2014. "Groundwater thresholds for drought resilience in floodplain woodlands: a case study from the northern Murray-Darling Basin." Climate Adaptation (NCCARF 2014): Future Challenges. Gold Coast, Australia 30 Sep - 02 Oct 2014 Gold Coast, Australia.Identifying groundwater thresholds for drought resilience in floodplain tree species in the northern Murray-Darling Basin
Reardon-Smith, Kate, Kath, Jarrod, Le Brocque, Andy and Dyer, Fiona. 2014. "Identifying groundwater thresholds for drought resilience in floodplain tree species in the northern Murray-Darling Basin." Andersen, Alan (ed.) 2014 Conference of the Ecological Society of Australia (ESA 2014). Alice Springs, Australia 28 Sep - 03 Oct 2014 Canberra, Australia.Hydrological and land use determinants of Eucalyptus camaldulensis occurrence in floodplain wetlands
Kath, Jarrod, Le Brocque, Andrew, Leyer, Ilona and Mosner, Eva. 2014. "Hydrological and land use determinants of Eucalyptus camaldulensis occurrence in floodplain wetlands." Austral Ecology: a journal of ecology in the Southern Hemisphere. 39 (6), pp. 643-655. https://doi.org/10.1111/aec.12126Groundwater depth thresholds for tree condition
Kath, Jarrod, Reardon-Smith, Kate, Le Brocque, Andi, Dafny, Elad, Dyer, Fiona, Fritz, L. and Batterham, Megan. 2013. "Groundwater depth thresholds for tree condition." 52nd Australian Society for Limnology Congress (ASL 2013): From Theory to Practice in Water Science. Canberra, Australia 02 - 05 Dec 2013 Canberra, Australia.Groundwater decline and tree change in floodplain landscapes: identifying non-linear threshold responses in canopy condition
Kath, J., Reardon-Smith, K., Le Brocque, A. F., Dyer, F. J., Dafny, E., Fritz, L. and Batterham, M.. 2014. "Groundwater decline and tree change in floodplain landscapes: identifying non-linear threshold responses in canopy condition." Global Ecology and Conservation. 2, pp. 148-160. https://doi.org/10.1016/j.gecco.2014.09.002Foraging guild perturbations and ecological homogenization driven by a despotic native bird species
Howes, Alison, MacNally, Ralph, Loyn, Richard, Kath, Jarrod, Bowen, Michiala, McAlpine, Clive and Maron, Martine. 2014. "Foraging guild perturbations and ecological homogenization driven by a despotic native bird species." IBIS: The International Journal of Avian Science. 156 (2), pp. 341-354. https://doi.org/10.1111/ibi.12136Outcrossing rates and reproductive success in xanthorrhoea johnsonii (xanthorrhoeaceae), in south east Queensland, Australia
Zalucki, Jacinta M., King, Rachel and Hughes, Jane M.. 2013. "Outcrossing rates and reproductive success in xanthorrhoea johnsonii (xanthorrhoeaceae), in south east Queensland, Australia." Biological Journal of the Linnean Society. 110 (2), pp. 335-345. https://doi.org/10.1111/bij.12135An integrated model to examine the effects of sustainable diversion limits: a case study in the Lower Campaspe catchment
El Sawah, S., Kelly, R. A., Beverly, C., Stott, K., Patrick, M. J., Kath, J., Croke, B. F. W., Qureshi, M. E., Courtney-Barrer, B., Asher, M. J., Roberts, A. and Jakeman, A. J.. 2013. "An integrated model to examine the effects of sustainable diversion limits: a case study in the Lower Campaspe catchment." Piantadosi, J., Anderssen, R. S. and Boland, J. (ed.) 20th International Congress on Modelling and Simulation (MODSIM2013). Adelaide, Australia 01 - 06 Dec 2013 Australia. Modelling and Simulation Society of Australia and New Zealand . https://doi.org/10.36334/modsim.2013.K3.elsawahPotential inbreeding in a small population of a mass flowering species, Xanthorrhoea johnsonii (Xanthorrhoaceae): is your mother my father?
King, Rachel and Zalucki, Jacinta M.. 2012. "Potential inbreeding in a small population of a mass flowering species, Xanthorrhoea johnsonii (Xanthorrhoaceae): is your mother my father?" American Journal of Plant Sciences. 3 (3), pp. 303-312. https://doi.org/10.4236/ajps.2012.33036Integrating hydrology and land use to understand the ecology of floodplain wetlands in the Condamine Catchment, southern Queensland, Australia
Kath, Jarrod Michael. 2012. Integrating hydrology and land use to understand the ecology of floodplain wetlands in the Condamine Catchment, southern Queensland, Australia. PhD Thesis Doctor of Philosophy. University of Southern Queensland.Interspecific competition and small bird diversity in an urbanizing landscape
Kath, Jarrod, Maron, Martine and Dunn, Peter K.. 2009. "Interspecific competition and small bird diversity in an urbanizing landscape." Landscape and Urban Planning. 92 (2), pp. 72-79. https://doi.org/10.1016/j.landurbplan.2009.02.007Ephemeral wetlands: their ecological function and resilience and climate change
Kath, Jarrod, Le Brocque, Andrew F. and Miller, Craig. 2008. "Ephemeral wetlands: their ecological function and resilience and climate change." 11th International Riversymposium: A Future of Extremes. Brisbane, Australia 01 - 04 Sep 2008 Brisbane, Australia.Relative influence of habitat modification and interspecific competition on woodland bird assemblages in eastern Australia
Maron, M., Main, A., Bowen, M., Howes, A., Kath, J., Pillette, C. and McAlpine, C. A.. 2011. "Relative influence of habitat modification and interspecific competition on woodland bird assemblages in eastern Australia." Emu: austral ornithology. 111 (1), pp. 40-51. https://doi.org/10.1071/MU09108Different landscape factors explain establishment and persistence of river red gum (Eucalyptus camaldulensis) in agricultural landscapes of southeast Queensland
Kath, Jarrod, Le Brocque, Andrew F., Miller, Craig, Leyer, Ilona and Mosner, Eva. 2010. "Different landscape factors explain establishment and persistence of river red gum (Eucalyptus camaldulensis) in agricultural landscapes of southeast Queensland." Lonsdale, Mark (ed.) 2010 Conference of the Ecological Society of Australia (ESA 2010). Canberra, Australia 06 - 10 Dec 2010 Alice Springs, Australia. Ecological Society of Australia.Mapping habitat of threatened reptiles in Western Downs, Queensland: a spatial modelling approach using 'presence-only' occurrence data
Apan, Armando, Phinn, Stuart, McAlpine, Clive and Kath, Jarrod. 2010. "Mapping habitat of threatened reptiles in Western Downs, Queensland: a spatial modelling approach using 'presence-only' occurrence data." Queensland Surveying and Spatial Conference 2010 (QSSC 2010). Brisbane, Australia 01 - 03 Sep 2010 Brisbane, Australia.Eco-hydrology of dynamic wetlands in an Australian agricultural landscape: a whole of system approach for understanding climate change impacts
Kath, Jarrod, Le Brocque, Andrew and Miller, Craig. 2010. "Eco-hydrology of dynamic wetlands in an Australian agricultural landscape: a whole of system approach for understanding climate change impacts." BALWOIS 2010: Water Observation and Information System for Decision Support. Ohrid, Macedonia 25 - 29 May 2010 Macedonia.Wetland hydrology in an agricultural landscape: implications for biodiversity
Kath, Jarrod, Le Brocque, Andrew and Miller, Craig. 2010. "Wetland hydrology in an agricultural landscape: implications for biodiversity." BALWOIS 2010: Water Observation and Information System for Decision Support. Ohrid, Macedonia 25 - 29 May 2010 Macedonia.Resilience of ephemeral wetlands in production landscapes
Kath, Jarrod, Le Brocque, Andrew F. and Miller, Craig. 2008. "Resilience of ephemeral wetlands in production landscapes." McArthur, Clare (ed.) 2008 Conference of the Ecological Society of Australia (ESA 2008). Sydney, Australia 01 - 05 Dec 2008 Canberra, Australia. Ecological Society of Australia.Resilience of temporary wetlands in production landscapes and potential impacts of climate change
Kath, Jarrod, Le Brocque, Andrew F. and Miller, Craig. 2009. "Resilience of temporary wetlands in production landscapes and potential impacts of climate change." James, Craig D. (ed.) INTECOL 2010: Ecology in a Changing Climate: Two Hemispheres, One Globe. Brisbane, Australia 16 - 21 Aug 2009 Australia.This item comprises data from the following sources: Scopus