The use of vascular plants as traditional boat raw material by Yachai tribe in Mappi Regency

Abstract

This research is executed aim to know the plant species and the way of exploiting permanent wood upon which traditional boat making by Yachai tribe in Mappi regency. The Method that used in this research is descriptive method with the structural semi interview technique and direct perception in field. Result of research indicate that the tribe Yachai exploit the plant species have permanent wood upon which traditional boat as much 26 species from 14 family. There are 8 wood species which is often used for the body of boat and also own the good quality according to Yachai tribe, that is Atam (Scihizomeria serrata Hochr), Batki (Adinandra forbesii Baker. F), Chomach (Gordonia papuana Kobuski), Rupke (Tristania sp.), Bao (Dillenia papuana artelli), Top (Buchanania macrocarpa Laut), Mitbo (Cordia Dichtoma Forst.), and Yunun (Camnosperma brevipetiolata Volkens). While to part of oar exploit 2 wood species that is Bach (Buchanania Arborescens.Bi) and Tup (Litsea ampala Merr). Yachai Tribe recognized 3 boat model owning different size measure and function, that is

Antimacrofouling Assays of Sargassum duplicatum Extract in the Settlement Inhibition of Balanus sp. on Wooden Plank Substrate

“…According to Boesono (2008), teak-based materials are easy for fouling organisms to attach to on accounts of the materials elasticity and lack of chemicals that allow resistance to fouling organisms. In addition, the use of wooden planks is in accordance with boats or ships as well as pier support poles in Indonesia, especially in the islands in the Province of South Sulawesi, that are made mostly of wooden boards (Lanoeroe et al, 2005;Latifah et al, 2019).…”