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POPULATION STRUCTURES OF FOUR TREE SPECIES IN LOGGED-OVER TROPICAL FOREST IN SOUTH PAPUA, INDONESIA: AN INTEGRAL PROJECTION MODEL APPROACH

Indonesian Journal of Forestry Research · Vol. 2 No. 2 (2015) · hlm. 93–101

DOI
10.59465/ijfr.2015.2.2.93-101
ISSN
2406-8195, 2355-7079
Terbit
2015-10-31
Penerbit
Association of Indonesian Forestry and Environment Researchers and Technicians
Bahasa
eng
Lisensi
creativecommons.org/licenses/by-nc-sa/4.0

Abstrak

Selective logging has been taking place in Papua for several decades. In contrast, very little is known about the stand structure in post-logged forest. Hence, this paper investigates stand structures in logged-over area of tropical forest in South Papua. Four species were selected in three one-hectare permanent sample plots (PSPs): Vatica rassak, Syzygium sp, Litsea timoriana and Canarium asperum. PSPs were located in the forest concession area of PT. Tunas Sawaerma in Assiki, Boven Digul, in South Papua. Data sets comprised measurements made in 2005 and 2012 consisting of species, diameter at breast height (DBH), mortality and number of tree of each species. Integral Projection Models (IPMs) were developed, taking into account mortality, growth, recruitment and fecundity. Results show the pattern of stand structures of the four species were more or less similar, i.e. more individual trees were present in the small diameter classes than in the larger diameter classes. The general pattern of the individual distribution of the four species is the typical reverse-J shape. Syzygium sp. has a greater number of individuals in the small diameter classes than the other three species. Population growth rates (λ) are above one, indicating that the stand structures of the population dynamics of the four species are recuperating. Conclusively, these results suggest that species composition and population structure in these logged-over forests are recovering increasingly.

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  • Universitas Papua
  • Universitas Gadjah Mada
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  • Organisasi berbeda
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Rekan penulisOrganisasiArtikel bersama
Antoni UngirwaluUniversitas Papua2
Mariana Y. PedayAfiliasi tidak diketahui1
Bustar MaitarAfiliasi tidak diketahui1
Sepus M. FatemUniversitas Papua1
Jonni MarwaUniversitas Papua1
Yubelince Y. RuntuboiUniversitas Papua1
San Afri AwangUniversitas Gadjah Mada1
Suwarno HadisusantoUniversitas Gadjah Mada1
Ronggo SadonoUniversitas Gadjah Mada1
Djoko MarsonoUniversitas Gadjah Mada1
Mulyadi MulyadiUniversitas Papua1
N A A RumayomiAfiliasi tidak diketahui1
NITHANEL MIKAEL HENDRIK BENUAfiliasi tidak diketahui1
Dony Aristone DjitmauUniversitas Papua1

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://ejournal.aptklhi.org/index.php/ijfr/oai, pertama di-harvest 8 Nov 2026, terakhir terlihat 8 Nov 2026.
Metadata asli (oai_dc) 
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	<dc:title xml:lang="en-US">POPULATION STRUCTURES OF FOUR TREE SPECIES IN  LOGGED-OVER TROPICAL FOREST IN SOUTH PAPUA, INDONESIA: AN INTEGRAL PROJECTION MODEL APPROACH</dc:title>
	<dc:creator>kuswandi, Relawan</dc:creator>
	<dc:creator>Murdjoko, Agustinus</dc:creator>
	<dc:subject xml:lang="en-US">permanent sample plots</dc:subject>
	<dc:subject xml:lang="en-US">population growth rate</dc:subject>
	<dc:subject xml:lang="en-US">succession</dc:subject>
	<dc:subject xml:lang="en-US">harvest activity</dc:subject>
	<dc:description xml:lang="en-US">Selective logging has been taking place in Papua for several decades. In contrast, very little is known about the stand structure in post-logged forest.&amp;nbsp; Hence, this paper investigates stand structures in logged-over area of tropical forest in South Papua. Four species were selected in three one-hectare permanent sample plots (PSPs): Vatica rassak, Syzygium sp, Litsea timoriana and Canarium asperum.&amp;nbsp; PSPs were located in the forest concession area of&amp;nbsp; PT. Tunas Sawaerma in Assiki, Boven Digul, in South Papua.&amp;nbsp; Data sets comprised measurements made in 2005 and 2012 consisting of&amp;nbsp; species, diameter at breast height (DBH), mortality and number of&amp;nbsp; tree of&amp;nbsp; each species.&amp;nbsp; Integral Projection Models (IPMs) were developed, taking into account mortality, growth, recruitment and fecundity.&amp;nbsp; Results show the pattern of&amp;nbsp; stand structures of&amp;nbsp; the four species were more or less similar, i.e. more individual trees were present in the small diameter classes than in the larger diameter classes.&amp;nbsp; The general pattern of&amp;nbsp; the individual distribution of&amp;nbsp; the four species is the typical reverse-J shape.&amp;nbsp; Syzygium sp. has a greater number of&amp;nbsp; individuals in the small diameter classes than the other three species.&amp;nbsp; Population growth rates (λ) are above one, indicating that the stand structures of&amp;nbsp; the population dynamics of&amp;nbsp; the four species are recuperating.&amp;nbsp; Conclusively, these results suggest that species composition and population structure in these logged-over forests are recovering increasingly.</dc:description>
	<dc:publisher xml:lang="en-US">Association of Indonesian Forestry and Environment Researchers and Technicians</dc:publisher>
	<dc:date>2015-10-31</dc:date>
	<dc:type>info:eu-repo/semantics/article</dc:type>
	<dc:type>info:eu-repo/semantics/publishedVersion</dc:type>
	<dc:format>application/pdf</dc:format>
	<dc:identifier>https://ejournal.aptklhi.org/index.php/ijfr/article/view/526</dc:identifier>
	<dc:identifier>10.59465/ijfr.2015.2.2.93-101</dc:identifier>
	<dc:source xml:lang="en-US">Indonesian Journal of Forestry Research; Vol. 2 No. 2 (2015): Indonesian Journal of Forestry Research; 93-101</dc:source>
	<dc:source>2406-8195</dc:source>
	<dc:source>2355-7079</dc:source>
	<dc:source>10.59465/10.59465/ijfr.2015.2.2</dc:source>
	<dc:language>eng</dc:language>
	<dc:relation>https://ejournal.aptklhi.org/index.php/ijfr/article/view/526/186</dc:relation>
	<dc:rights xml:lang="en-US">Copyright (c) 2015 Indonesian Journal of Forestry Research</dc:rights>
	<dc:rights xml:lang="en-US">http://creativecommons.org/licenses/by-nc-sa/4.0</dc:rights>
</oai_dc:dc>