KOMUNITAS HABITAT BEKANTAN (Nasalis larvatus Wurmb) PADA AREAL TERISOLASI DI KUALA SAMBOJA, KALIMANTAN TIMUR

Atmoko, Tri; Mardiastuti, Ani; Iskandar, Entang

doi:10.20886/jphka.2014.11.2.127-141

Cited by 9 publications

(8 citation statements)

References 6 publications

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“…Data were collected using a Boat Survey method by tracking along the Bay and the river flowing into it (Atmoko et al 2014(Atmoko et al , 2021Lahjie et al 2019;Mediawati et al 2021a;Mediawati et al 2021b). The direct field observations included 10-19 observation points.…”

Section: Data Collection Proceduresmentioning

confidence: 99%

Locating the unique biodiversity of Balikpapan Bay as an ecotourism attraction in East Kalimantan, Indonesia

et al. 2022

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Abstract. Willard K, Aipassa MI, Sardjono MA, Rujehan, Ruslim Y, Kristiningrum R. 2022. Locating the unique biodiversity of Balikpapan Bay as an ecotourism attraction in East Kalimantan, Indonesia. Biodiversitas 23: 2342-2357. Balikpapan Bay is rich in biodiversity and natural beauty that present unique opportunities for the developing ecotourism industry in East Kalimantan, Indonesia. This study aimed to identify biodiversity hotspots with potential as ecotourism attractions. Four field surveys by boat, each survey taking between 10 to 22 hours duration, tracked the river and tidal flow through the Bay, recording highlights of biodiversity at 19 defined observation points. The study results recorded observations on five species listed in the IUCN protected species classification, namely: Lesser Adjutant Stork (Leptoptilos javanicus) - classified as a Vulnerable species; Proboscis Monkey (Nasalis larvatus), Irrawaddy Dolphin (Orcaella brevirostris) and Green Turtle (Chelonia mydas) - classified as Endangered species; and the Hawksbill Turtle (Eretmochelys imbricata) - classified as Critically Endangered. In addition, details were recorded of a unique variant of the mangrove species Rhizophora apiculata, with leaves that have a vibrant yellow color instead of the usual green. Combined with great views, including at night when there are enchanting displays of Fireflies (Lampyridae) on several riverbanks, the biodiversity of the waterways results in Balikpapan Bay having great potential as an ecotourism destination. Therefore, this study provides useful input to relevant agencies charged with responsibility for conserving and managing the natural resources of the Bay for the benefit of communities who stand to gain economically from developing this ecotourism potential.

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Section: Data Collection Proceduresmentioning

confidence: 99%

Locating the unique biodiversity of Balikpapan Bay as an ecotourism attraction in East Kalimantan, Indonesia

et al. 2022

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“…A previous study stated that a stand structure in the form of an "inverted j" indicates that the plant population is growing (Sahu et al, 2012), and has great sustainability potential (Sharkar & Devi, 2014). Additionally, it implies that the vegetation is in good condition (Atmoko et al, 2014).…”

Section: Feed Plant Regenerationmentioning

confidence: 99%

Feed Preferences of Yellow-crested cockatoo (Cacatua sulphurea sulphurea) in Pasoso Island, Central Sulawesi

Ihsan

Mardiastuti

Masy’ud

et al. 2021

Jur.pen.hut.konservasi

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The yellow-crested cockatoo (Cacatua sulphurea sulphurea) is a sub-species of Cacatua sulphurea widely distributed in Sulawesi and several surrounding islands including Pasoso. Currently, the population has decreased and is categorized as critically endangered, hence, conservation measures are needed. One conservation approach is by understanding feed preference as an important aspect of improving survival. This study, then, aims to determine the feed preferences of yellow-crested cockatoos on Pasoso Island. It was conducted from April-September 2019 using data on the regeneration of forage plants obtained with a 20 m x 20 m plot, while feed preference data were taken using the focal animal sampling method. Furthermore, the data obtained were analyzed using the Jacobs preference index and the results showed that Buchanania arborescens is the type of forage plant that is most consumed. Based on the Jacobs category, it was known that B. arborescens and Ficus benjamina were the preferred types of feed, while Aglaia argentea was less preferred. However, the most preferred feed do not regenerate in the primary forest and had low regeneration in the ecotone habitat type, and an effort to develop the habitats by planting more B. Arborescens is necessary.

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“…Habitatnya terisolasi dan terfragmentasi oleh permukiman dan berbagai aktivitas masyarakat (Alikodra, 1997;Atmoko et al, 2007) dengan luasan yang tertutup vegetasi hanya sekitar 67,6 ha (Atmoko, 2012a (Atmoko, 2012b).…”

Section: Pendahuluanunclassified

Behavior and group movement of proboscis monkey’s (Nasalis larvatus Wurmb.) in Samboja, East Kalimantan

Atmoko

Mardiastuti

Iskandar³

2017

JPKW

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Bekantan (Nasalis larvatus Wurmb.) adalah primata endemik di Pulau Borneo. Masalah utama yang dihadapi dalam melestarikan bekantan adalah hilangnya habitat, fragmentasi dan degradasi hutan. Penelitian perilaku pergerakan kelompok bekantan telah dilakukan di habitat bekantan yang terisolasi dan terfragmentasi di Samboja, Kalimantan Timur. Pergerakan bekantan meliputi jelajah harian dan pemanfaatan ketinggian tajuk. Pengamatan perilaku bekantan menggunakan metode instantaneous sampling. Aktivitas yang diamati adalah aktivitas makan, bergerak, sosial, istirahat, dan tidur. Jelajah harian bekantan diikuti pergerakannya dan dicatat koordinat posisinya. Pengamatan pemanfaatan ketinggian strata tajuk pada ketinggian aktivitas 0-3 m, 3,1-6 m, 6,1-9 m, 9,1-12 m, dan >12 m. Petak pengamatan pohon pada masing-masing habitat dibuat berukuran 20 m x 200 m. Hasil penelitian menunjukkan bahwa pergerakan harian bekantan bervariasi, yaitu berkisar antara 25,7 m s/d 749,9 m (rata-rata 333 m), dengan wilayah jelajah yang sempit, yaitu berkisar antara 4,52 ha s/d 6,92 ha. Jarak pergerakan harian antar kelompok bekantan berbeda secara signifikan pada tiga habitat. Secara umum pemanfaatan strata tajuk oleh bekantan tergantung pada kondisi habitat, tinggi, diameter dan kerapatan pohon. 0-3 m, 3.1-6 m, 6.1-9 m, 9.1-12 m, and > 12

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KOMUNITAS HABITAT BEKANTAN (Nasalis larvatus Wurmb) PADA AREAL TERISOLASI DI KUALA SAMBOJA, KALIMANTAN TIMUR

Cited by 9 publications

References 6 publications

Locating the unique biodiversity of Balikpapan Bay as an ecotourism attraction in East Kalimantan, Indonesia

Locating the unique biodiversity of Balikpapan Bay as an ecotourism attraction in East Kalimantan, Indonesia

Feed Preferences of Yellow-crested cockatoo (Cacatua sulphurea sulphurea) in Pasoso Island, Central Sulawesi

Behavior and group movement of proboscis monkey’s (Nasalis larvatus Wurmb.) in Samboja, East Kalimantan

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