Talk:Acacia mangium

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Improvements[edit]

Dear writers

I'd like to improve the wikipedia entry of Acacia mangium in different ways. I'd like to add the subjects: Cultivation, Use, Ecological aspects. There are lots of papers with interesting information I'd like to take to do so. regards --Schwepat (talk) 14:44, 7 November 2012 (UTC)[reply]

You don't need permission. Anyone is of course more than welcome to make improvements to the article, provided that you follow the policies. Some tips: Make sure your additions are adequately sourced. Do not copy text verbatim from your sources, as that would be copyright violation and is strictly forbidden in Wikipedia. Rewrite it or summarize it using your own words. Also try and keep the tone of your additions neutral and formal; and note that advertisement and promoting anything is also forbidden.
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Dear writers and users

I did some literature studies about Acacia Mangium and suggest the following restructurations and additional informations. If you have any corrections or suggestions please give me a feedback.


Acacia mangium
Scientific classification
Kingdom:
Plantae
(unranked):
Angiosperms
(unranked):
Eudicots
(unranked):
Rosids
Order:
Fabales
Family:
Fabaceae
Genus:
Acacia
Species:
A. mangium
Binomial name
Acacia mangium
Range of Acacia mangium
Synonyms
  • Acacia glaucescens sensu Kaneh. & Hatus.
  • Acacia holosericea A. Cunn.
  • Acacia holosericea G. Don var. glabrata auct. non Maiden
  • Acacia holosericea G. Don var. multispirea auct. non Domin
  • Acacia holosericea G. Don var. neurocarpa auct. non (Hook.)Domin
  • Mangium montanum Rumph.
  • Racosperma mangium (Willd.) Pedley[1]

Acacia mangium is a species of flowering tree in the pea family, Fabaceae, that is native to northeastern Queensland in Australia, the Western Province of Papua New Guinea, Papua, and the eastern Maluku Islands.[2] Common names include Black Wattle, Hickory Wattle, Mangium, and Forest Mangrove. Its uses include environmental management and wood.[1]

Cultivation[edit]

Acacia mangium grows up to 30 metres (98 ft), often with a straight trunk. A. mangium has about 142,000 seeds/kg.[3]To break down dormancy mature seed requires pre-germination treatment such as mechanical scarification (scratching the surface) or boiling water. This treatment leads to a fast germination and typically exceeds 75%.[4] Like many other legumes, it is able to fix nitrogen in the soil.[5] A. mangium is a popular species for forest plantation and used more and more also for agroforestry projects. In mixed cultures, plants can profit of the shadow from A. mangium and the nitrogen fixation[6] A. mangium will tolerate low fertility soils with impeded drainage, but prefers fertile sites with good drainage. Soil depth and topographic position can influence yields. With respect to distance from the equator, there are significant differences in performance under cultivation. A mean annual height increase of about 3 to 4 m is usual near the equator. In areas further from the equator growth is lower.[7]

Use[edit]

Timber[edit]

A. mangium trees produce sapwood and heartwood. The heartwood’s colour is brownish yellow shimmery and medium textured. Because the timber is extremely heavy, hard, very strong, tough, and liable to warp and crack badly it is used for furniture, doors and window frames. The glossy and smooth surface finish after polishing leads also to a potential for making export orientated artifacts.[8]

Ecological Aspects[edit]

Because Acacia mangium trees largely increase the turnover rate of N in the topsoil, it might improve also the mineral N availability in soils in mixed cultures.[9] Due to the fact that it is a very fast growing tree it develops an intensive rooting system, particularly in a low fertility soil.[10]That helps to recover degraded tropical lands for what A. Mangium is very useful.[9] The Tree is widely used in Goa in the mining industry for rehabilitation of the waste dumps as it is a drought resistant species and binds the sterile mine waste consisting of lateritic strata.[11]

Chemistry[edit]

The gum contains 5.4% ash, 0.98% N, 1.49% methoxyl, and by calculation, 32.2% uronic acid.[12] The sugar composition after hydrolysis: 9.0% 4-0-methylglucuronic acid, 23.2% glucuronic acid, 56% galactose, 10% arabinose, and 2% rhamnose.


Gallery[edit]

Wikimedia Commons has media related to Acacia mangium.
Wikispecies has information related to Acacia mangium.


mangium Category:Flora of New Guinea Category:Flora of Indonesia Category:Fabales of Australia Category:Flora of Queensland Category:Trees of Australia


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az:Acacia mangium fr:Acacia mangium id:Acacia mangium lt:Plačialapė akacija ml:മാഞ്ചിയം pt:Acacia mangium th:กระถินเทพา vi:Keo tai tượng

References[edit]

  1. ^ a b "Acacia mangium - ILDIS LegumeWeb". www.ildis.org. Archived from the original on 6 April 2008. Retrieved 2008-04-26. {{cite web}}: Unknown parameter |deadurl= ignored (|url-status= suggested) (help)
  2. ^ Francis, John K. (2003-01-01). "Acacia mangium Willd". Tropical Tree Seed Manual. Reforestation, Nurseries & Genetics Resources. Archived from the original (PDF) on 16 January 2009. Retrieved 2009-02-24. {{cite web}}: Unknown parameter |deadurl= ignored (|url-status= suggested) (help) [dead link]
  3. ^ "Growing Process of Tropical Trees-(Compiled version)". ftbc.job.affrc.go.jp. Archived from the original on 12 April 2008. Retrieved 2008-04-26. {{cite web}}: Unknown parameter |deadurl= ignored (|url-status= suggested) (help)
  4. ^ Discover Life/ Royal Botanical Gardens
  5. ^ "Acacia mangium". www.hort.purdue.edu. Archived from the original on 11 May 2008. Retrieved 2008-04-26. {{cite web}}: Unknown parameter |deadurl= ignored (|url-status= suggested) (help)
  6. ^ Jeyanny, V., SS Lee & K Wan Rasidah, Forest Research Institute Malaysia (2010). EFFECTS OF ARBUSCULAR MYCORRHIZAL INOCULATION AND FERTILISATION ON THE GROWTH OF ACACIA MANGIUM SEEDLINGS. Journal of Tropical Forest Science 23(4): 404–409 (2011)
  7. ^ Discover Life/ Royal Botanical Gardens
  8. ^ Sharma, S. K., Kumar, P., Rao, R. V., Sujatha, M., Shukla, S. R., 2011 .Rational utilization of plantation grown Acacia mangium willd. Journal of the Indian Academy of Wood Science, volume 8 (2011) issue 2, page 97-99
  9. ^ a b ^Voigtlaender M. et al (2011). Introducing Acacia mangium trees in Eucalyptus grandis plantations: consequences for soil organic matter stocks and nitrogen mineralization. Published online: 10 September 2011, Springer Science+Business Media B.V. 2011
  10. ^ Kadir W.R, Kadir A.A.,Van Cleemput O.,Zaharah Abdul Rahman. 1996. Field grown Acacia Mangium: How intensive is root growth?Journal of Tropical Forest Science 10(3): 283 - 291 (1998)
  11. ^ "Growing Process of Tropical Trees-(Compiled version)". ftbc.job.affrc.go.jp. Archived from the original on 12 April 2008. Retrieved 2008-04-26. {{cite web}}: Unknown parameter |deadurl= ignored (|url-status= suggested) (help)
  12. ^ Anderson, D.M.W. (1978). "Chemotaxonomic aspects of the chemistry of acacia gum exudates". Kew Bull. 32 (3): 529–536. doi:10.2307/4109654. JSTOR 4109654. {{cite journal}}: Cite has empty unknown parameters: |coauthors= and |month= (help)

Schwepat (talk) 23:10, 4 December 2012 (UTC)[reply]

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