Variability in the physico-chemical properties of wood from Eucalyptus robusta depending on ecological growing conditions and forestry practices: The case of smallholdings in the Highlands of Madagascar
Abstract: This study set out to determine which environmental factors of growth and silvicultural practices can affect the properties of Eucalyptus robusta coppice wood and also to study variability in those properties depending on the factors. Hundred and thirty-five coppice logs aged 2 to 10 years...
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| Lenguaje: | English |
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Universidad del Bío-Bío
2020
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oai:scielo:S0718-221X20200004004252020-10-07Variability in the physico-chemical properties of wood from Eucalyptus robusta depending on ecological growing conditions and forestry practices: The case of smallholdings in the Highlands of MadagascarMevanarivo,Zo EliaRamananantoandro,TahianaTomazello Filho,MarioNapoli,AlfredoRazafimahatratra,Andriambelo RadonirinaRazakamanarivo,Herintsitohaina RamarsonChaix,Gilles Climate Eucalyptus robusta coppice wood properties rotation soil silvicultural practices Abstract: This study set out to determine which environmental factors of growth and silvicultural practices can affect the properties of Eucalyptus robusta coppice wood and also to study variability in those properties depending on the factors. Hundred and thirty-five coppice logs aged 2 to 10 years were collected from five zones in the Highlands of Madagascar. Wood density at 12% moisture content was measured by X-ray microdensitometry. Chemical properties, such as the total extractives, Klason lignin and holocellulose contents were predicted using near infrared spectrometry prediction models. The results significantly showed (p-value<0,001) that wood density (543 - 836 kg/m3), total extractives (3,1 - 9,8%) and Klason lignin content (24,6 - 35,3%) increased with age, with the opposite occurring for holocellulose (63,8 - 69,9%). Wood density also varied significantly (p-value<0,001) depending on the zones, which was not the case for chemical properties. The densest woods were found at the hottest zones with less acid soils. Woods were less dense in zones, characterized by high rainfall and a soil rich in nitrogen and organic carbon. The plantation spacing, elevation of the zone and soil texture did not significantly affect wood properties.info:eu-repo/semantics/openAccessUniversidad del Bío-BíoMaderas. Ciencia y tecnología v.22 n.4 20202020-10-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-221X2020000400425en10.4067/S0718-221X2020005000401 |
| institution |
Scielo Chile |
| collection |
Scielo Chile |
| language |
English |
| topic |
Climate Eucalyptus robusta coppice wood properties rotation soil silvicultural practices |
| spellingShingle |
Climate Eucalyptus robusta coppice wood properties rotation soil silvicultural practices Mevanarivo,Zo Elia Ramananantoandro,Tahiana Tomazello Filho,Mario Napoli,Alfredo Razafimahatratra,Andriambelo Radonirina Razakamanarivo,Herintsitohaina Ramarson Chaix,Gilles Variability in the physico-chemical properties of wood from Eucalyptus robusta depending on ecological growing conditions and forestry practices: The case of smallholdings in the Highlands of Madagascar |
| description |
Abstract: This study set out to determine which environmental factors of growth and silvicultural practices can affect the properties of Eucalyptus robusta coppice wood and also to study variability in those properties depending on the factors. Hundred and thirty-five coppice logs aged 2 to 10 years were collected from five zones in the Highlands of Madagascar. Wood density at 12% moisture content was measured by X-ray microdensitometry. Chemical properties, such as the total extractives, Klason lignin and holocellulose contents were predicted using near infrared spectrometry prediction models. The results significantly showed (p-value<0,001) that wood density (543 - 836 kg/m3), total extractives (3,1 - 9,8%) and Klason lignin content (24,6 - 35,3%) increased with age, with the opposite occurring for holocellulose (63,8 - 69,9%). Wood density also varied significantly (p-value<0,001) depending on the zones, which was not the case for chemical properties. The densest woods were found at the hottest zones with less acid soils. Woods were less dense in zones, characterized by high rainfall and a soil rich in nitrogen and organic carbon. The plantation spacing, elevation of the zone and soil texture did not significantly affect wood properties. |
| author |
Mevanarivo,Zo Elia Ramananantoandro,Tahiana Tomazello Filho,Mario Napoli,Alfredo Razafimahatratra,Andriambelo Radonirina Razakamanarivo,Herintsitohaina Ramarson Chaix,Gilles |
| author_facet |
Mevanarivo,Zo Elia Ramananantoandro,Tahiana Tomazello Filho,Mario Napoli,Alfredo Razafimahatratra,Andriambelo Radonirina Razakamanarivo,Herintsitohaina Ramarson Chaix,Gilles |
| author_sort |
Mevanarivo,Zo Elia |
| title |
Variability in the physico-chemical properties of wood from Eucalyptus robusta depending on ecological growing conditions and forestry practices: The case of smallholdings in the Highlands of Madagascar |
| title_short |
Variability in the physico-chemical properties of wood from Eucalyptus robusta depending on ecological growing conditions and forestry practices: The case of smallholdings in the Highlands of Madagascar |
| title_full |
Variability in the physico-chemical properties of wood from Eucalyptus robusta depending on ecological growing conditions and forestry practices: The case of smallholdings in the Highlands of Madagascar |
| title_fullStr |
Variability in the physico-chemical properties of wood from Eucalyptus robusta depending on ecological growing conditions and forestry practices: The case of smallholdings in the Highlands of Madagascar |
| title_full_unstemmed |
Variability in the physico-chemical properties of wood from Eucalyptus robusta depending on ecological growing conditions and forestry practices: The case of smallholdings in the Highlands of Madagascar |
| title_sort |
variability in the physico-chemical properties of wood from eucalyptus robusta depending on ecological growing conditions and forestry practices: the case of smallholdings in the highlands of madagascar |
| publisher |
Universidad del Bío-Bío |
| publishDate |
2020 |
| url |
http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-221X2020000400425 |
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