Growth, water use, and water use efficiency of Eucalyptus globulus and Pinus radiata plantations compared with natural stands of Roble-Hualo forest in the coastal mountains of central Chile

White, D. A.; Silberstein, Richard; Balocchi, Francisco; Quiroga, Juan Jose; Meason, Dean F.; Palma, J.H.N.; Arellano, Pablo Ramírez de

doi:10.1016/j.foreco.2021.119676

Cited by 21 publications

(14 citation statements)

References 57 publications

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“…Equally plausible is that the particular chemical composition of eucalypt litter, characterized by high concentrations of polyphenols and lignified compounds (del Moral & Muller, 1970), acts to inhibit nitrification and thus reduce soil nitrate (Castro‐Díez et al, 2012). The latter explanation is supported by our finding that eucalypts reduce microbial activity relative to native vegetation, although this finding could also be explained by low‐quality eucalypt litter (Bini et al, 2013), differences in canopy structure resulting in lower soil temperature and moisture (Kara et al, 2008; Wang et al, 2020), and other effects on soil moisture, such as high water uptake (White et al, 2021). We also found that eucalypt plantations had higher soil C relative to agropastoral systems, and this effect was strongest in more mature plantations.…”

Section: Discussionmentioning

confidence: 53%

“…Eucalypt stands had significantly lower soil moisture than native vegetation, suggesting that water‐reducing processes (primarily water uptake) are stronger and/or water‐enhancing processes (e.g., macropore creation, canopy shading) are weaker in eucalypt systems. The finding that eucalypt plantations did not differ significantly in their soil moisture compared with non‐eucalypt silvicultural plantations is likely to reflect similarities in water use (Benyon & Doody, 2015; White et al, 2021) or land management, because harvesting machinery can lead to soil compaction and reduced infiltration (Greacen & Sands, 1980).…”

Section: Discussionmentioning

confidence: 99%

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Global synthesis reveals strong multifaceted effects of eucalypts on soils

Mallen‐Cooper

Atkinson

Xirocostas

et al. 2022

Global Ecol Biogeogr

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Aim: Eucalypts have a widespread global distribution owing to their popularity for agroforestry and as environmental plantings. Despite an abundance of site-specific evidence that eucalypts modify soils and soil processes, we lack a quantitative synthesis of their overall effects at the global scale. This limits our capacity to assess the likely impacts of future introductions in any given region of the world.

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Section: Discussionmentioning

confidence: 53%

Section: Discussionmentioning

confidence: 99%

Global synthesis reveals strong multifaceted effects of eucalypts on soils

Mallen‐Cooper

Atkinson

Xirocostas

et al. 2022

Global Ecol Biogeogr

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“…However, without comprehensive knowledge of long-term total water balance measurements, the implications cannot be quantified. Studies have reported a negative effect of Eucalyptus to catchment water yield (Almeida et al, 2007), whereas others have reported no significant impacts (Lane et 335 al., 2004;White et al, 2021). A conclusion based on our results, is that species conversion from P. elliottii to GN in moderate to low rainfall areas and where groundwater resources are inaccessible, for example where these resources are too deep for roots to reach, may not adversely affect the water yield, however, in subtropical regions where the water table can be shallow, the impact could be severe.…”

Section: Implications On Catchment Water Yield 325mentioning

confidence: 63%

“…A Eucalyptus grandis versus Pinus patula comparison by Scott and Lesch (1997) on very deep soils, found that E. grandis used up to 100 mm more water per year than P. patula using streamflow measurements. In contrast, White et al (2021), reported no annual differences between T and ET of E. globulus and P. radiata in central Chile. 55 Pinus elliottii and E. grandis x Eucalyptus nitens clonal hybrid (GN) are the second and fourth most planted species in South Africa, respectively.…”

Section: Introductionmentioning

confidence: 88%

Comparative water-use by fast-growing E. grandis x E. nitens clonal hybrid and Pinus elliottii near the Two Streams Research Catchment, South Africa

Kaptein

Clulow

Toucher

et al. 2022

Preprint

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Abstract. Pine plantations are the dominant specie currently planted within the South African commercial forestry industry. Improvements in bioeconomy markets for dissolving wood pulp products have seen an expansion in fast-growing Eucalyptus plantations due to their higher productivity rates and better pulping properties than pine. This has raised concerns regarding the expansion of Eucalyptus plantations and how they will affect water resources as they have been reported to have higher transpiration (T) and total evaporation rates (ET) than pine. We compared T (mm), diameter at breast height (DBH, cm) and leaf area index (LAI) of an eight-year-old Eucalyptus grandis x Eucalyptus nitens clonal hybrid (GN) with twenty-year-old Pinus elliottii. Transpiration was measured for two consecutive seasons (2019’ 20 and 2020’ 21) using a heat ratio sap-flow method. The ET was calculated using published values of soil evaporation and rainfall canopy interception to quantify the impact of each species on water resources. In 2019’ 20 season, annual T for P. elliottii exceeded GN by 28 %, while 2020’ 21 season showed no significant differences. This was associated with 17 and 21 % greater LAI for P. elliottii than GN in 2019’ 20 and 2020’ 21 season, respectively. Dq increments were statistically similar (p > 0.05) in 2019’ 20 season, whereas the 2020’ 21 season produced significant differences (p < 0.05). Transpiration for P. elliottii showed a strong (R2 > 0.70) linear relationship with solar radiation, LAI and shallow soil matric potential, while GN had a good (R2 > 0.70) relationship with solar radiation only. The soil water potential was very low at the GN site, indicating that the site was water stressed, with trees competing for water as soon as it becomes available to sustain T, causing a rapid soil water depletion after rainfall, while P. elliottii used water more gradually. P. elliottii estimated ET was 18 % greater than GN in 2019’ 2020, with no significant differences in 2020’ 21 season. Results from this study indicated that on water limited sites, T and ET between GN and P. elliottii may not be different, however, in subtropical regions, GN T and ET have the potential to exceed P. elliottii, causing soil water depletion. Long-term total soil water balance studies in the same region would be beneficial to understand the impact of long-term commercial forestry on water resources.

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“…Eucalyptus ssp. plantations are well known to have a high-water consumption than the native forests (White et al, 2021), reduce biodiversity (Deus et al, 2018), increase soil degradation (Banfield et al, 2018) and the vulnerability to wildfire risk (Nunes, 2012). Rubber, palm oil plantations are other invasive species that cause high land degradation in mountain areas (e.g., Leite et al, 2018;Vijith et al, 2018).…”

Section: Invasive Speciesmentioning

confidence: 99%

Servicios ecosistémicos en áreas de montaña: beneficios y amenazas

et al. 2022

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Las áreas de montaña tienen un impacto importante en las dinámicas climáticas y son una de las fuentes de agua con condiciones más críticas. Las montañas fueron claves en la evolución histórica del ser humano y suministraron servicios ecosistémicos (SE) bióticos y abióticos esenciales para la vida humana. Este artículo de perspectiva estudiará la importancia de las montañas para el suministro de SE y los impactos de los diferentes factores de cambio, a saber, cambios en el hábitat, el cambio climático, la sobreexplotación, la contaminación y las especies invasoras. Las zonas de montaña tienen una gran capacidad para suministrar un número importante de recursos reguladores (regulación del clima global y local, regulación de la calidad del aire, regulación de los riesgos naturales, polinización), de aprovisionamiento (cultivos, ganado, alimentos y pesca silvestre, biomasa para energía y madera, energía renovable de agua dulce -hidroeléctrica, eólica, solar y geotérmica- y recursos minerales) y culturales (ocio y turismo, estética e inspiración del paisaje, patrimonio cultural y diversidad cultural y sistemas de conocimiento). Sin embargo, los cambios impuestos por la modificación del hábitat, el cambio climático, la sobreexplotación, la contaminación y las especies invasoras pueden aumentar los intercambios entre los SE y desencadenar la degradación del medio ambiente. En general, es necesario equilibrar la utilización de los SE de montaña y reducir los efectos de los distintos factores de cambio.

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Growth, water use, and water use efficiency of Eucalyptus globulus and Pinus radiata plantations compared with natural stands of Roble-Hualo forest in the coastal mountains of central Chile

Cited by 21 publications

References 57 publications

Global synthesis reveals strong multifaceted effects of eucalypts on soils

Global synthesis reveals strong multifaceted effects of eucalypts on soils

Comparative water-use by fast-growing E. grandis x E. nitens clonal hybrid and Pinus elliottii near the Two Streams Research Catchment, South Africa

Servicios ecosistémicos en áreas de montaña: beneficios y amenazas

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