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Behavior and Group Movement of Proboscis Monkey’s (Nasalis larvatus Wurmb.Wurmb.) in Samboja, East Kalimantan

Jurnal Penelitian Kehutanan Wallacea · Vol. 6 No. 2 (2017) · pp. 169–179

DOI
10.18330/jwallacea.2017.vol6iss2pp169-179
ISSN
2407-7860, 2302-299X
Published
2017-08-30
Publisher
Foresty Faculty of Hasanuddin University
Language
en

Abstract

Proboscis monkey (Nasalis larvatus Wurmb.) are endemic primates to the island of Borneo that are subjected to serious problems like habitat loss, fragmentation and forest degradation. Studies of movement behavior of monkeys have been done in the isolated and fragmented habitat in Samboja, East Kalimantan. Behaviour data of feeding, moving, social, resting, and sleeping were collected using instantaneous sampling method. The plotsof trees survey were established 20 m x 200 m on each habitat. The movement behavior consists of daily ranging and utilization of height of the canopy. Daily ranging was recorded by GPS and height of canopy utilization divided to 0-3 m, 3.1-6 m, 6.1-9 m, 9.1-12 m, and gt; 12 m. The results showed that the daily ranging of the monkeys were varied, ranging from 25.7 m– 749.9 m (average 333 m), which home ranges between 4.52 ha – 6.92 ha. Daily movement distance between groups on the three habitat was different. Generally, the monkeys used canopy strata depending on habitat conditions, height, diameter and density of trees.

Keywords

Collaboration network of the authors

14 authors · 36 co-authorship links

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Co-authorOrganisationJoint articles
Lilik Budi PrasetyoAffiliation unknown4
M. BismarkAffiliation unknown3
MukhlisiAffiliation unknown1
Ardiyanto W NugrohoAffiliation unknown1
Aronika KabanAffiliation unknown1
Huda Salahudin DarusmanAffiliation unknown1
Mariana FerdinandezAffiliation unknown1
Loes (ML) SchureAffiliation unknown1
Habib Ilham Maulana Al AdhimAffiliation unknown1
BenvikaAffiliation unknown1
Femke Den HaasAffiliation unknown1

Affiliations come from OpenAlex; journal OAI-PMH metadata carries none. Authors without an OpenAlex ID are matched by name, which can merge or split people.

Metadata source: OAI-PMH (metadata jurnal) https://journal.unhas.ac.id/index.php/wallacea/oai, first harvested 2 Nov 2026, last seen 2 Nov 2026.
Original metadata (oai_dc) 
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	<dc:title xml:lang="en">Behavior and Group Movement of Proboscis Monkey’s (Nasalis larvatus Wurmb.Wurmb.) in Samboja, East Kalimantan</dc:title>
	<dc:creator xml:lang="en">Atmoko, Tri </dc:creator>
	<dc:creator xml:lang="en">Mardiastuti, Ani </dc:creator>
	<dc:creator xml:lang="en">Iskandar, Entang</dc:creator>
	<dc:subject xml:lang="en">Proboscis monkey</dc:subject>
	<dc:subject xml:lang="en">Behavior</dc:subject>
	<dc:subject xml:lang="en">Daily range</dc:subject>
	<dc:subject xml:lang="en">Home range</dc:subject>
	<dc:subject xml:lang="en">Canopy strata</dc:subject>
	<dc:description xml:lang="en">Proboscis monkey (Nasalis larvatus Wurmb.) are endemic primates to the island of Borneo that are subjected to serious problems like habitat loss, fragmentation and forest degradation. Studies of movement behavior of monkeys have been done in the isolated and fragmented habitat in Samboja, East Kalimantan. Behaviour data of feeding, moving, social, resting, and sleeping were collected using instantaneous sampling method. The plotsof trees survey were established 20 m x 200 m on each habitat. The movement behavior consists of daily ranging and utilization of height of the canopy. Daily ranging was recorded by GPS and height of canopy utilization divided to 0-3 m, 3.1-6 m, 6.1-9 m, 9.1-12 m, and gt; 12 m. The results showed that the daily ranging of the monkeys were varied, ranging from 25.7 m– 749.9 m (average 333 m), which home ranges between 4.52 ha – 6.92 ha. Daily movement distance between groups on the three habitat was different. Generally, the monkeys used canopy strata depending on habitat conditions, height, diameter and density of trees.</dc:description>
	<dc:publisher xml:lang="en">Foresty Faculty of Hasanuddin University</dc:publisher>
	<dc:date>2017-08-30</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://journal.unhas.ac.id/index.php/wallacea/article/view/26161</dc:identifier>
	<dc:identifier>10.18330/jwallacea.2017.vol6iss2pp169-179</dc:identifier>
	<dc:source xml:lang="en">Jurnal Penelitian Kehutanan Wallacea; Vol. 6 No. 2 (2017); 169-179</dc:source>
	<dc:source>2407-7860</dc:source>
	<dc:source>2302-299X</dc:source>
	<dc:language>en</dc:language>
	<dc:relation>https://journal.unhas.ac.id/index.php/wallacea/article/view/26161/9515</dc:relation>
	<dc:rights xml:lang="en">Copyright (c) 2017 Jurnal Penelitian Kehutanan Wallacea</dc:rights>
</oai_dc:dc>