Primate Diversity, Population Estimates, and Activity Pattern of the Bornean Banded Langur (Presbytis chrysomelas chrysomelas) in Tanjung Datu National Park

Tanjung Datu National Park (TDNP) is one of smallest national park in Sarawak, and habitat to diverse primate species including the Critically Endangered Bornean banded langur, (Presbytis chrysomelas chrysomelas). A primate diversity study conducted two decades ago was confined to documentation of d...

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Main Author: Nur Aizatul Izzati, Tukiman
Format: Thesis
Language:English
Published: 2024
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Online Access:http://ir.unimas.my/id/eprint/46471/3/Thesis%20Ms._%20Nur%20Aizatul%20Izzati.pdf
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spelling my-unimas-ir.464712024-11-03T23:52:15Z Primate Diversity, Population Estimates, and Activity Pattern of the Bornean Banded Langur (Presbytis chrysomelas chrysomelas) in Tanjung Datu National Park 2024 Nur Aizatul Izzati, Tukiman QL Zoology Tanjung Datu National Park (TDNP) is one of smallest national park in Sarawak, and habitat to diverse primate species including the Critically Endangered Bornean banded langur, (Presbytis chrysomelas chrysomelas). A primate diversity study conducted two decades ago was confined to documentation of diurnal species, whereas ecology of the diurnal species, P. c. chrysomelas is poorly known. Thus, the objectives of this study were to determine the species diversity and distribution of primates in TDNP and activity pattern of P. c. chrysomelas respectively. Field sampling was conducted for six months between July 2023 until February 2024 throughout the dry and wet seasons. The scan sampling method within 10 minutes interval along four trails was employed to observe and record primate species and activity pattern of P. c. chrysomelas along four existing trails in TDNP. Total scan method was used to estimate the population size of P. c. chrysomelas in TDNP. There were eight primate species documented in TDNP, namely Macaca fascicularis, Macaca nemestrina, Trachypithecus cristatus, P. c. chrysomelas, Nasalis larvatus, Hylobates abbotti as well as two nocturnal species, Nycticebus menagensis and Cephalopachus bancanus. This study also found the coexistence of P. c. chrysomelas with other diurnal primate, as seen in the two nocturnal primates. Furthermore, a total of 21 individuals from three solitary males and four groups of P. c. chrysomelas were recorded in this study. Presbytis chrysomelas chrysomelas allotted most of their time in resting (35.38%) compared to feeding (32.31%), moving (16.15%), vocalizing (9.23%), playing (3.85%), and grooming (3.08%). Moreover, results from Mann-Whitney U test showed social activities (grooming and playing) was varied across the seasons (p<0.001). In contrast, seasonal variation did not influence (p>0.05) other primary activities (feeding, moving, and resting). The data from this study could contribute to primate studies in Sarawak particularly the rare species, P. c. chrysomelas, which is essential to developing a robust primate conservation plan in Sarawak. Universiti Malaysia Sarawak 2024 Thesis http://ir.unimas.my/id/eprint/46471/ http://ir.unimas.my/id/eprint/46471/3/Thesis%20Ms._%20Nur%20Aizatul%20Izzati.pdf text en validuser masters Universiti Malaysia Sarawak Faculty of Resource Science and Technology Ministry of Higher Education Malaysia (MOHE)
institution Universiti Malaysia Sarawak
collection UNIMAS Institutional Repository
language English
topic QL Zoology
spellingShingle QL Zoology
Nur Aizatul Izzati, Tukiman
Primate Diversity, Population Estimates, and Activity Pattern of the Bornean Banded Langur (Presbytis chrysomelas chrysomelas) in Tanjung Datu National Park
description Tanjung Datu National Park (TDNP) is one of smallest national park in Sarawak, and habitat to diverse primate species including the Critically Endangered Bornean banded langur, (Presbytis chrysomelas chrysomelas). A primate diversity study conducted two decades ago was confined to documentation of diurnal species, whereas ecology of the diurnal species, P. c. chrysomelas is poorly known. Thus, the objectives of this study were to determine the species diversity and distribution of primates in TDNP and activity pattern of P. c. chrysomelas respectively. Field sampling was conducted for six months between July 2023 until February 2024 throughout the dry and wet seasons. The scan sampling method within 10 minutes interval along four trails was employed to observe and record primate species and activity pattern of P. c. chrysomelas along four existing trails in TDNP. Total scan method was used to estimate the population size of P. c. chrysomelas in TDNP. There were eight primate species documented in TDNP, namely Macaca fascicularis, Macaca nemestrina, Trachypithecus cristatus, P. c. chrysomelas, Nasalis larvatus, Hylobates abbotti as well as two nocturnal species, Nycticebus menagensis and Cephalopachus bancanus. This study also found the coexistence of P. c. chrysomelas with other diurnal primate, as seen in the two nocturnal primates. Furthermore, a total of 21 individuals from three solitary males and four groups of P. c. chrysomelas were recorded in this study. Presbytis chrysomelas chrysomelas allotted most of their time in resting (35.38%) compared to feeding (32.31%), moving (16.15%), vocalizing (9.23%), playing (3.85%), and grooming (3.08%). Moreover, results from Mann-Whitney U test showed social activities (grooming and playing) was varied across the seasons (p<0.001). In contrast, seasonal variation did not influence (p>0.05) other primary activities (feeding, moving, and resting). The data from this study could contribute to primate studies in Sarawak particularly the rare species, P. c. chrysomelas, which is essential to developing a robust primate conservation plan in Sarawak.
format Thesis
qualification_level Master's degree
author Nur Aizatul Izzati, Tukiman
author_facet Nur Aizatul Izzati, Tukiman
author_sort Nur Aizatul Izzati, Tukiman
title Primate Diversity, Population Estimates, and Activity Pattern of the Bornean Banded Langur (Presbytis chrysomelas chrysomelas) in Tanjung Datu National Park
title_short Primate Diversity, Population Estimates, and Activity Pattern of the Bornean Banded Langur (Presbytis chrysomelas chrysomelas) in Tanjung Datu National Park
title_full Primate Diversity, Population Estimates, and Activity Pattern of the Bornean Banded Langur (Presbytis chrysomelas chrysomelas) in Tanjung Datu National Park
title_fullStr Primate Diversity, Population Estimates, and Activity Pattern of the Bornean Banded Langur (Presbytis chrysomelas chrysomelas) in Tanjung Datu National Park
title_full_unstemmed Primate Diversity, Population Estimates, and Activity Pattern of the Bornean Banded Langur (Presbytis chrysomelas chrysomelas) in Tanjung Datu National Park
title_sort primate diversity, population estimates, and activity pattern of the bornean banded langur (presbytis chrysomelas chrysomelas) in tanjung datu national park
granting_institution Universiti Malaysia Sarawak
granting_department Faculty of Resource Science and Technology
publishDate 2024
url http://ir.unimas.my/id/eprint/46471/3/Thesis%20Ms._%20Nur%20Aizatul%20Izzati.pdf
_version_ 1818611702760996864