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MODEL DISTRIBUSI DIAMETER LIMA JENIS POHON PADA HUTAN TROPIKA BASAH DI KABUPATEN MAMUJU, SULAWESI BARAT

PERENNIAL · Vol. 6 No. 1 (2010) · hlm. 44–52

DOI
10.24259/perennial.v6i1.197
ISSN
2685-6859, 1412-7784
Terbit
2010-01-01
Penerbit
Forestry Faculty of Hasanuddin University
Bahasa
en

Abstrak

The objective of this research is to establish the most suitable tree diameter distribution model for five tree species on tropical rain forest in Mamuju District. This research was conducted on two locations. The 50 square plots were sampled systematically for seedling, sapling, pole and tree measurements of bintangur, jambu-jambu, lada-lada, matoa and nyatoh species. The distance among plots was 50 m. Variables to be measured were stem number of seedlings to trees and tree diameter at breast height (1,3 m) of saplings to trees. About 70% of the data were used to establish the best model, the rest of 30% were used to validate the model. Models to be analyzed were fourth-order semi-logarithmic transformed polynomial function, Weibull density function and monotonic decreasing Weibull function. The results show that the five tree species have a similar diameter distribution pattern. The shape of this distribution is the typical of uneven-aged stand distribution on natural forest, namely reversed J shape. The most suitable model for five species is second-order semi-logarithmic transformed polynomial function. Key words: model, diameter distribution, natural forest, uneven-aged stand.

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  • Hasanuddin University
  • Universitas Halu Oleo
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  • Organisasi berbeda
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Rekan penulisOrganisasiArtikel bersama
HasnawirAfiliasi tidak diketahui1
Usman ArsyadHasanuddin University1
Wahyudi IsnanAfiliasi tidak diketahui1
Nur AeniAfiliasi tidak diketahui1
Sitti NuraeniHasanuddin University1
MakkarennuAfiliasi tidak diketahui1
M. Daniel DessaratuAfiliasi tidak diketahui1
Baharuddin BaharuddinHasanuddin University1
Rahmawati RahmawatiUniversitas Halu Oleo1
Agussalim AgussalimHasanuddin University1
Suhasman SuhasmanHasanuddin University1
Lestian LindanganHasanuddin University1

Afiliasi berasal dari OpenAlex; metadata OAI-PMH jurnal tidak memuatnya. Penulis tanpa ID OpenAlex dicocokkan berdasarkan nama, sehingga dua orang bisa tergabung atau satu orang bisa terpisah.

Sumber metadata: OAI-PMH (metadata jurnal) https://journal.unhas.ac.id/index.php/perennial/oai, pertama di-harvest 5 Nov 2026, terakhir terlihat 8 Nov 2026.
Metadata asli (oai_dc) 
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	<dc:title xml:lang="en"> MODEL DISTRIBUSI DIAMETER LIMA JENIS POHON PADA HUTAN TROPIKA BASAH DI KABUPATEN MAMUJU, SULAWESI BARAT </dc:title>
	<dc:creator xml:lang="en">Putranto, Beta</dc:creator>
	<dc:description xml:lang="en">The objective of this research is to establish the most suitable tree diameter distribution model for five tree species on tropical rain forest in Mamuju District. This research was conducted on two locations. The 50 square plots were sampled systematically for seedling, sapling, pole and tree measurements of bintangur, jambu-jambu, lada-lada, matoa and nyatoh species. The distance among plots was 50 m. Variables to be measured were stem number of seedlings to trees and tree diameter at breast height (1,3 m) of saplings to trees. About 70% of the data were used to establish the best model, the rest of 30% were used to validate the model. Models to be analyzed were fourth-order semi-logarithmic transformed polynomial function, Weibull density function and monotonic decreasing Weibull function. The results show that the five tree species have a similar diameter distribution pattern. The shape of this distribution is the typical of uneven-aged stand distribution on natural forest, namely reversed J shape. The most suitable model for five species is second-order semi-logarithmic transformed polynomial function.

Key words:  model, diameter distribution, natural forest, uneven-aged stand.

			</dc:description>
	<dc:publisher xml:lang="en">Forestry Faculty of Hasanuddin University</dc:publisher>
	<dc:date>2010-01-01</dc:date>
	<dc:type>info:eu-repo/semantics/article</dc:type>
	<dc:type>info:eu-repo/semantics/publishedVersion</dc:type>
	<dc:type xml:lang="en">Peer-reviewed Article</dc:type>
	<dc:format>application/pdf</dc:format>
	<dc:identifier>https://journal.unhas.ac.id/index.php/perennial/article/view/197</dc:identifier>
	<dc:identifier>10.24259/perennial.v6i1.197</dc:identifier>
	<dc:source xml:lang="en">PERENNIAL; Vol. 6 No. 1 (2010); 44-52</dc:source>
	<dc:source xml:lang="id">PERENNIAL; Vol 6 No 1 (2010); 44-52</dc:source>
	<dc:source>2685-6859</dc:source>
	<dc:source>1412-7784</dc:source>
	<dc:language>en</dc:language>
	<dc:relation>https://journal.unhas.ac.id/index.php/perennial/article/view/197/pdf</dc:relation>
	<dc:rights xml:lang="en">Copyright (c) 2016 PERENNIAL</dc:rights>
</oai_dc:dc>