The timber is generally straight-grained and of fine quality with an exceptional strength-to-weight ratio and rot resistance, making it ideal for yacht hull construction. Description[ edit ] Bark of Agathis robusta Flora assessment agathis macrophylla essay Melbourne Royal Botanic Gardens leaves belong to another plant Mature kauri trees have characteristically large trunks, forming a trunk with little or no branching below the crown.
The male pollen cones appear usually only on larger trees after seed cones have appeared. The major threat to this species is logging in natural forests, which is unsustainable but ongoing in some parts of its range.
They are normally oval or globe shaped. It is very valuable and used for construction, for flooring in houses, for masts, booms and spars in sailing boats, for carpentry and for furniture making.
The wood is commonly used in the manufacture of guitars and ukuleles due to its light weight and relatively low price of production. The juvenile leaves in all species are larger than the adult, more or less acute, varying among the species from ovate to lanceolate.
Threats [top] Major Threat s: In contrast, young trees are normally conical in shape, forming a more rounded or irregularly shaped crown as they achieve maturity. Conservation Actions [top] Conservation Actions: The female seed cones usually develop on short lateral branchlets, maturing after two years.
Seeds of some species are attacked by the caterpillars of Agathiphagasome of the most primitive of all living moths. Fijian Kauri Pine has been planted as a forestry tree in the Solomon Islands Santa Cruz Group and elsewhere in the southwestern Pacific in an attempt to obtain timber more sustainably from a truly renewable resource.
The only protected area specifically designated for Agathis macrophylla is the Erromango Kauri Reserve in Vanuatu, on the island of that name. Uses[ edit ] Various species of kauri give diverse resins such as kauri gumManila copal and dammar gum.
On Fiji, there are a few very small protected areas relevant to this species but almost all remaining stands of these trees are in forest without official protected status. The branch structure is often horizontal or, when larger, ascending. The uses of the New Zealand species A.
It is also used for some Go boards goban. Resin is tapped from trees, but also dug from the ground subfossil resin and used in making varnishes, pottery glazing, and dying cloth black with the smoke from burning it.
The wood of this species is white or sometimes with a reddish hue and known in Fiji as Dakua wood and in the Santa Cruz Group as Vanikoro kauri.
Use and Trade [top] Use and Trade: Adult leaves are opposite, elliptical to linearvery leathery and quite thick. It protects 3, ha of rainforest with good stands of emergent Fijian Kauri Pines.
The lowest branches often leave circular branch scars when they detach from the lower trunk.Flora Assessment: Agathis Macrophylla - Flora Assessment: The proposed Kauri Reserve displays a species richness of over 70% of the total flora of Vanuatu.
For a complete list of the observed species see Appendix A. Systematics of Agathis (Araucariaceae) Agathis is extensive and scattered.
The references listed below represent only a small proportion of published work on the genus, but together offer a good introduction to the morphology, ecology, taxonomy and nomenclature of these wonderful trees. Flora Assessment: Agathis Macrophylla Essay occupy the more fertile soils, and are more often modified by human activity and local agriculture.
The Kauri forests are dominated by the endemic Agathis macrophylla. Agathis, commonly known as kauri or dammar, is a genus of 22 species of evergreen tree. The genus is part of the ancient Araucariaceae family of conifers, a group once widespread during the Jurassic period, Agathis macrophylla Kingdom: Plantae.
Free Essay: Flora Assessment: The proposed Kauri Reserve displays a species richness of over 70% of the total flora of Vanuatu. For a complete list of the.
Agathis macrophylla is an emergent tree in lowland to low montane tropical rainforest; usually growing in soils derived from volcanic rocks like basalt.
Its altitudinal range is recorded from herbarium collections as being between 75 and m a.s.l.Download