Fire, drought and productivity as drivers of dead wood biomass in eucalypt forests of south-eastern Australia
14 Pág. Departamento de Medio Ambiente y Agronomía
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Elsevier
2020-12-26
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| Subjects: | Coarse woody debris, Dead standing trees, Environmental gradient, Fire, Tree mortality, Wood density, |
| Online Access: | http://hdl.handle.net/10261/288248 http://dx.doi.org/10.13039/501100001782 http://dx.doi.org/10.13039/501100000943 https://api.elsevier.com/content/abstract/scopus_id/85098166815 |
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Coarse woody debris Dead standing trees Environmental gradient Fire Tree mortality Wood density Coarse woody debris Dead standing trees Environmental gradient Fire Tree mortality Wood density |
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Coarse woody debris Dead standing trees Environmental gradient Fire Tree mortality Wood density Coarse woody debris Dead standing trees Environmental gradient Fire Tree mortality Wood density Burton, Jamie E. Bennett, Lauren T. Kasel, Sabine Nitschke, Craig R. Tanase, Mihai A. Fairman, Thomas A. Parker, Linda Fedrigo, Melissa Aponte, Cristina Fire, drought and productivity as drivers of dead wood biomass in eucalypt forests of south-eastern Australia |
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14 Pág.
Departamento de Medio Ambiente y Agronomía |
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Victorian Department of Environmental, Land, Water and Planning (DELWP) |
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Victorian Department of Environmental, Land, Water and Planning (DELWP) Burton, Jamie E. Bennett, Lauren T. Kasel, Sabine Nitschke, Craig R. Tanase, Mihai A. Fairman, Thomas A. Parker, Linda Fedrigo, Melissa Aponte, Cristina |
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artículo |
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Coarse woody debris Dead standing trees Environmental gradient Fire Tree mortality Wood density |
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Burton, Jamie E. Bennett, Lauren T. Kasel, Sabine Nitschke, Craig R. Tanase, Mihai A. Fairman, Thomas A. Parker, Linda Fedrigo, Melissa Aponte, Cristina |
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Burton, Jamie E. |
| title |
Fire, drought and productivity as drivers of dead wood biomass in eucalypt forests of south-eastern Australia |
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Fire, drought and productivity as drivers of dead wood biomass in eucalypt forests of south-eastern Australia |
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Fire, drought and productivity as drivers of dead wood biomass in eucalypt forests of south-eastern Australia |
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Fire, drought and productivity as drivers of dead wood biomass in eucalypt forests of south-eastern Australia |
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Fire, drought and productivity as drivers of dead wood biomass in eucalypt forests of south-eastern Australia |
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fire, drought and productivity as drivers of dead wood biomass in eucalypt forests of south-eastern australia |
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Elsevier |
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2020-12-26 |
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http://hdl.handle.net/10261/288248 http://dx.doi.org/10.13039/501100001782 http://dx.doi.org/10.13039/501100000943 https://api.elsevier.com/content/abstract/scopus_id/85098166815 |
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dig-inia-es-10261-2882482023-02-04T21:43:33Z Fire, drought and productivity as drivers of dead wood biomass in eucalypt forests of south-eastern Australia Burton, Jamie E. Bennett, Lauren T. Kasel, Sabine Nitschke, Craig R. Tanase, Mihai A. Fairman, Thomas A. Parker, Linda Fedrigo, Melissa Aponte, Cristina Victorian Department of Environmental, Land, Water and Planning (DELWP) Commonwealth Scientific and Industrial Research Organisation (Australia) University of Melbourne Arthur Rylah Institute for Environmental Research University of Tasmania Max Planck Institute for Biogeochemistry German Centre for Integrative Biodiversity Research (iDiv) Burton, Jamie E. [0000-0001-9013-4616] Bennett, Lauren T. [0000-0003-2472-062X] Kasel, Sabine [0000-0001-8188-1089] Nitschke, Craig R. [0000-0003-2514-9744] Tanase, Mihai A. [0000-0002-0045-2299] Fairman, Thomas A. [0000-0002-0764-2132] Fedrigo, Melissa [0000-0002-6883-0647] Aponte, Cristina [0000-0002-8457-7573] Coarse woody debris Dead standing trees Environmental gradient Fire Tree mortality Wood density 14 Pág. Departamento de Medio Ambiente y Agronomía Dead wood, including dead standing trees (DST) and coarse woody debris (CWD), is a critical component of forest ecosystems that provides habitat and refugia for fauna, flora, and microbial communities and plays a key role in carbon and nutrient cycling. However, few studies have modelled the long-term dynamics of dead wood, limiting our ability to predict how the abundance and composition of dead wood may change with climate change or altered fire regimes. Here we analyse DST and CWD data in 884 plots encompassing multiple field campaigns and forest types of varying canopy cover and species composition across the State of Victoria in temperate south-eastern Australia. We use boosted regression tree modelling to examine the relative influence of disturbance history and tree functional traits on dead wood biomass while accounting for the influence of environmental and climatic factors and stand attributes across a broad productivity gradient. We modelled absolute and relative dead wood biomass by size (‘small’ 100 < 200 mm diameter, ‘medium’ 200 < 500 mm diameter, ‘large’ ≥ 500 mm diameter) and decay classes (sound to advanced decay) to evaluate the consistency of predictor effects among different components of dead wood. We found that live tree basal area and mean annual precipitation were influential predictors of both DST and CWD biomass, indicating an over-arching effect of forest productivity on dead wood biomass. Fire history was also an important predictor, with DST biomass decreasing and CWD biomass increasing with time since last wildfire. The proportion of large DST biomass increased with increased tree mortality as a result of fire interval and time in drought. DST biomass also increased and CWD biomass decreased with increasing wood density, and this was relatively more important than the other functional traits we examined (heartwood nitrogen content and bark type). Our study suggests that forest productivity, fire history, drought and wood density are important determinants of dead wood, as they influence dead wood inputs and outputs. Our study reveals the broad-scale drivers of dead wood biomass, and the potential for altered fire regimes and changing climate to influence live- to dead wood dynamics and associated ecosystem functions. This research was undertaken with approval by the Victorian Department of Environmental, Land, Water and Planning (DELWP) under Research Permit Numbers 10006440, 10006488, 10006691, 10007105, and the Forests Act 1958 (FS/14/3694/1/3). The work was funded by the Victorian DELWP through the Integrated Forest Ecosystem Research Program, with additional support from the Commonwealth Scientific and Industrial Research Organisation (CSIRO) former Sustainable Agriculture Flagship program. For their contributions to data collection, we thank: Helen Vickers, Julio Najera-Umana and Benjamin Smith from The University of Melbourne, Australia; Michele Kohout, Matthew Bruce, and colleagues from Arthur Rylah Institute for Environmental Research, Australia; Elizabeth Pryde and colleagues from Arthur Rylah Institute for Environmental Research, Australia; and Sue Baker from the University of Tasmania, Australia. The study benefited from the TRY database on plant traits (http://www.try.db.org), which is hosted, developed and maintained by J. Kattge and G. Bönisch (Max Planck Institute for Biogeochemistry, Jena, Germany). TRY is currently supported by DIVERSITAS/Future Earth and the German Centre for Integrative Biodiversity Research (iDiv). Peer reviewed 2023-02-03T12:35:07Z 2023-02-03T12:35:07Z 2020-12-26 artículo Forest Ecology and Management 482: 118859 (2021) 0378-1127 http://hdl.handle.net/10261/288248 10.1016/j.foreco.2020.118859 http://dx.doi.org/10.13039/501100001782 http://dx.doi.org/10.13039/501100000943 2-s2.0-85098166815 https://api.elsevier.com/content/abstract/scopus_id/85098166815 en Forest Ecology and Management Publisher's version https://doi.org/10.1016/j.foreco.2020.118859 Sí open Elsevier |