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Journal : TREUBIA

THE HABITAT CHARACTERISTICS OF JAVAN LUTUNG (Trachypithecus auratus) IN BANDEALIT COASTAL FOREST AT MERU BETIRI NATIONAL PARK, EAST JAVA, INDONESIA Siddiq, Arif Mohammad; Sulistiyowati, Hari; Imaniar, Raisa; Kholiq, Nur
TREUBIA Vol 51, No 1 (2024)
Publisher : National Research and Innovation Agency

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/treubia.v51i1.4753

Abstract

Javan lutung (Trachypithecus auratus) is an endemic primate species which mostly occurs in protected areas, such as the Bandealit Resort of Meru Betiri National Park (MBNP), East Java, Indonesia. However, scientific information related to the habitat characteristics of T. auratus in this resort is limited. Therefore, the aim of this study is to investigate the habitat characteristics of T. auratus based on the vegetation stratification in the Bandealit coastal forest of MBNP. This research was conducted in March, April, May, and September 2022 using the scan sampling methods at two sites, including Site I (Camping Ground Block) and Site II (Wisma Block). The data on tree species was collected using a plot method (40 m x 20 m). Furthermore, we used the Spatially Explicit Individual-based Forest Simulator (SexI-FS) version 2.1.0 to construct the stratification profile. Based on the results, there were 17 individuals of T. auratus found in two sites along the observation. This species is recorded as occupying seven tree species, including Alstonia scholaris, A. spectabilis, Calophyllum inophyllum, Dracontomelon sp., Pongamia pinnata, Syzigium sp. and Terminalia catappa. According to stratification, T. auratus was found in Stratum B (21-30 m) to Stratum C (5-20 m) at all sites. Furthermore, this species was widely distributed in Stratum C for locomotion, foraging, social activities and self-protection. Meanwhile, T. auratus was observed using A. spectabilis in Stratum B as a sleeping tree in the afternoon and evening. These results can be the basis for in-situ conservation strategies for T. auratus species in MBNP, particularly for habitat management based on occupied vegetation.
EXTENDED DISTRIBUTION OF TWO WOODPECKER SPECIES (Micropternus brachyurus and Picus vittatus) IN MERU BETIRI NATIONAL PARK, EAST JAVA, INDONESIA Siddiq, Arif Mohammad; Firmansyah, Puji; Kurnianto, Agung Sih; Kurniawan, Muhammad; Kholiq, Nur; Sulistiyowati, Hari
TREUBIA Vol 51, No 2 (2024)
Publisher : National Research and Innovation Agency

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/treubia.v51i2.4780

Abstract

This study discovered extended distribution of two woodpeckers, i.e., the Rufous Woodpecker (Micropternus brachyurus) and the Laced Woodpecker (Picus vittatus) in Meru Betiri National Park, East Java. The records of M. brachyurus were observed three times in Bandealit Resort (9 December 2021, 12 February 2022, and 20 April 2022) and once in Baban Resort on 9 September 2023. These record areas were around the first record area in secondary forest and the edge of plantations (Albizia, Cocos, and Ochroma) that also bordered the Bandealit road. The second record found a single individual foraging in Mangifera indica. The record of P. vittatus was observed once at Bandealit Resort on 11 February 2024. This species perched on Cocos nucifera, Mangifera indica, and Tectona grandis. Referring to altitude distribution, P. vittatus was only recorded at an altitude of 78 m asl., while M. brachyurus was more variable in the range of 79–651 m asl. These findings provide an essential update for the bird checklist in Meru Betiri National Park, particularly in the last 10 years ago.