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Journal : Jurnal Biologi Tropis

Diversity of Species and Morphometrics of Reptiles (Order Squamata) in The Utilization Block of The Kerandangan Tourism Area Ramadhan, Nuzul Rizki; Syaputra, Maiser; Wahyuningsih, Endah
Jurnal Biologi Tropis Vol. 25 No. 2 (2025): April-Juni
Publisher : Biology Education Study Program, Faculty of Teacher Training and Education, University of Mataram, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jbt.v25i2.8918

Abstract

This study aims to identify and analyze the diversity of reptiles from the order Squamata in the Kerandangan Nature Tourism Park, West Lombok Regency, West Nusa Tenggara Province, Indonesia, which has various habitat types, namely garden, secondary forest, riparian, and ecotone, influencing the distribution and adaptation of reptile species. The results showed that 11 species of reptiles from the order Squamata were found, consisting of 7 species of snakes and 4 species of lizards. The diversity, richness, and evenness indices of species varied across each habitat type, with the highest diversity index found in the riparian habitat (H’ = 1.64) and the lowest in the ecotone habitat (H’ = 1.28). The dominance index revealed that Dendrelaphis pictus dominated the ecotone habitat, while Gekko gecko dominated the garden habitat. Morphometric analysis showed variations in body size between species, with the reticulated python (Malayopython reticulatus) having the largest total length (375 cm) and the snail snake (Pareas carinatus) having the smallest size (47 cm). These results illustrate the adaptation of reptile species to diverse ecological conditions in the Kerandangan Nature Tourism Park. This study is expected to contribute to understanding biodiversity and the importance of reptile habitat conservation in the nature tourism park. Kerandangan Nature Tourism Park, located in West Lombok Regency, has abundant biodiversity, with reptiles from the order Squamata being an important part of its ecosystem.  This research is crucial to understanding the diversity, abundance, and distribution of reptiles in the Kerandangan Nature Tourism Park as part of conservation efforts that can provide valuable data and information for managing the area.
Estimation of Demographic Parameters and Food Plant Species Composition of Long-Tailed Macaques in Semongkat Nature Park Hidayati, Maulia; Syaputra, Maiser; Indrityatno, Indrityatno
Jurnal Biologi Tropis Vol. 25 No. 2 (2025): April-Juni
Publisher : Biology Education Study Program, Faculty of Teacher Training and Education, University of Mataram, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jbt.v25i2.8946

Abstract

Indonesia is renowned for its rich biodiversity, encompassing a wide variety of flora and fauna, including primates such as the long-tailed macaque (Macaca fascicularis). This species exhibits high adaptability to environmental changes. Long-tailed macaques (Macaca fascicularis) in Indonesia show high adaptation to environmental changes, including behavioural changes due to human interactions. Fieldwork was conducted in September 2024, employing the line transect method for demographic estimation and plot sampling for vegetation analysis. Data analysis for demographics was quantitative and forage plant was deskriptive and quantitative. 61 long-tailed macaque individuals in total. Group sizes ranged from 17 to 25 individuals, with an overall population density of 1.52 individuals per hectare, a sex ratio of 1:0.75, a birth rate of 0.8, and a mortality rate ranging from 0.65 to 0.75. Age structure analysis indicates a progressive population trend. A total of 14 plant species were identified as food sources, with Importance Value Indices (IVI) ranging from 52.16% to 8.61% at the tree level, 35.22% to 10.29% at the pole level, 25% to 10% at the sapling level, and 20% to 10% at the seedling level. These findings suggest that the macaque population is demographically stable, yet increasingly reliant on anthropogenic food sources due to altered foraging behaviors.
Demographic Parameters and Growth Projection of Spangled Ebony Langur Population (Trachypithecus auratus) in the Kerandangan Natural Tourism Park Protection Block Through a System Dynamics Approach Putri, Regina Natasya; Syaputra, Maiser; Anwar, Hairil
Jurnal Biologi Tropis Vol. 25 No. 3 (2025): Juli-September
Publisher : Biology Education Study Program, Faculty of Teacher Training and Education, University of Mataram, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jbt.v25i3.9845

Abstract

Indonesia is a country with rich biodiversity of flora and fauna, one of which is the langur from the primate family. Langurs are also listed on the 2008 International Union for Conservation of Nature and Natural Resources (IUCN) Red List as a primate species classified as vulnerable due to population decline and habitat degradation. Spangled Ebony Langurs play a crucial ecological role, influencing forest regeneration patterns and tree species diversity in their habitat. The purpose of this study was to provide information on demographic parameters and population growth of Spangled Ebony Langurs (Trachypithecus auratus) in Kerandangan Nature Tourism Park. The research method was carried out using the Line Transect method. The results of the study found 2 groups of Spangled Ebony Langurs with a total of 57 individuals. Distribution of structural patterns. Group size ranged from 27 to 30 individuals, with an overall population density of 0.35 individuals per hectare, a sex ratio of 1:8, and a birth rate of 0.26. The total population increased from 57 individuals (Year 1) to 68 individuals (Year 5), with a consistent population increase every year. This simulation assumes a constant birth rate of 26% per year and a death rate of 10% per year. In the fifth year, the population reached 68 individuals, with 2 births and 0 deaths. In conclusion, the langur population is predicted to increase steadily over the next 5 years. In the fifth year, the population is estimated to reach 68 individuals.
Preferences and Distribution of Feed Sources of Long-Tailed Macaque (Macaca fascicularis) at Utilization Block of Kerandangan Nature Tourism Park Andriyani, Anis Octa; Syaputra, Maiser; Wahyuningsih, Endah
Jurnal Biologi Tropis Vol. 25 No. 4 (2025): Oktober-Desember
Publisher : Biology Education Study Program, Faculty of Teacher Training and Education, University of Mataram, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jbt.v25i4.10422

Abstract

The preservation of the long-tailed macaque's natural food supplies is one way to help conservation efforts for the species, as it ensures that there are enough food sources to sustain its survival. Managers can implement habitat development through food source augmentation when food supplies are scarce. This study aims to determine the food preferences of long-tailed monkeys and also to determine the plants that are the food sources of long-tailed macaque. The research method uses the line transect method to determine the presence of long-tailed macaque, and the distribution of food sources uses the grid line method. The results found that the food tree with the highest level of use 29% (the most consumed part is fruit) is (Diospyros macrophylla) and the lowest (gmelina arborea) 2% (the part consumed is young leaves/shoots). The most consumed part of the plant is fruit 51%, followed by leaves 47%, and flowers 2%, indicating a tendency for frugivory. Feeding activities are carried out at three main times: morning (06.35 – 10.45), afternoon (12.07 – 15.00), and evening (15.00 – 16.15) following a diurnal pattern, (Tamarindus indica), (Artocarpus heterophyllus), and (Pterospermum javanicum) have a high level of mastery based on the INP. Long-tailed macaque food trees in the Kerandangan TWA Utilization Block have a clustered pattern, with a Morisita Index value for all observed species. Conclusion, regular monitoring of the population and food sources of long-tailed macaque food is needed in the future to see the ecological dynamics that occur.
Study of Daily Behavior and Home Range of Long-Tailed Monkeys (Macaca fascicularis) in The Use Zone of Satonda Island, Moyo Satonda National Park Gefire, Baiq Dean; Hadi, Islamul; Syaputra, Maiser
Jurnal Biologi Tropis Vol. 24 No. 2b (2024): Special Issue
Publisher : Biology Education Study Program, Faculty of Teacher Training and Education, University of Mataram, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jbt.v24i2b.7935

Abstract

The long-tailed monkey (Macaca fascicularis) is a type of social primate which in its life is never separated from social interaction or living with others. Social interactions carried out by long-tailed monkeys give rise to various activities between individuals in the population. Environmental conditions influence the behavior of long-tailed monkeys. In their natural habitat, long-tailed monkeys behave as they should, but in disturbed habitats the behavior of long-tailed monkeys can change. This research aims to determine the daily behavior and home range of long-tailed monkeys (Macaca fascicularis). The methods used are the scan sampling method to determine daily behavior and the minimum convex polygon method to determine the home range of long-tailed monkeys (Macaca fascicularis). Daily behavior has varying percentage values ​​with interaction behavior having the highest percentage value, namely 22%, agonistic behavior at 12%, self-care behavior at 12%, movement behavior at 21%, eating behavior at 16%, resting behavior at 15%, and sexual behavior has the lowest value, namely 2%. The home range of the long-tailed monkey (Macaca fascicularis) has an area of 31 ha, the average daily range is 408 meters, the territory area is 1.5 ha, the core area is 0.6 ha, the maximum radius is 802 meters, and night position shift of 45.8 meters.
Species Identification and Morphometric Analysis of Bats (Chiroptera) in Saung Cave, Pengembur Village, Central Lombok Elwis, Khalid; Syaputra, Maiser; Sari, Diah Permata
Jurnal Biologi Tropis Vol. 25 No. 1 (2025): Januari - Maret
Publisher : Biology Education Study Program, Faculty of Teacher Training and Education, University of Mataram, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jbt.v25i1.8300

Abstract

Bats play a crucial role in maintaining the balance of ecosystems, particularly in controlling insect populations. This study focuses on identifying the bat species (Chiroptera) in Saung Cave, Pengembur Village, Pujut Subdistrict, Central Lombok Regency, and exploring their morphological characteristics. The research aims to determine the types of bat species found in the cave and their respective morphometric features. Data were collected using the trap method with mist nets. Descriptive data analysis was used to present the data, while quantitative analysis was applied to the morphometric measurements, including body weight, body length, wingspan, ear length, tail length, tragus, and antitragus. The study identified five bat species: Pro-bruk hutan (Rhinolophus affinis), Pro-bruk lonkos (Rhinolophus acuminatus), Kubar Janggut Hitam (Taphozous melanopogon), Lasiwen Biasa (Myotis muricola), and Barong Besar (Hipposideros diadema). The bats found in Saung Cave exhibit varying sizes, with differences between males and females. Notably, males of Pro-bruk hutan (Rhinolophus affinis), Pro-bruk lonkos (Rhinolophus acuminatus), and Lasiwen Biasa (Myotis muricola) tend to be larger than females, while females of Barong Besar (Hipposideros diadema) and Kubar Janggut Hitam (Taphozous melanopogon) are larger than males. This research contributes to understanding bat biodiversity in the Saung Cave area and highlights the ecological significance of these species in controlling insect populations.
Saung Cave characteristics at Pengembur Village, Pujut District, Central Lombok, as a bats (Chiroptera) Habitat Akram, Muhammad Zaki Ali; Syaputra, Maiser; Wahyuningsih, Endah
Jurnal Biologi Tropis Vol. 25 No. 1 (2025): Januari - Maret
Publisher : Biology Education Study Program, Faculty of Teacher Training and Education, University of Mataram, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jbt.v25i1.8356

Abstract

The Saung Cave is located in Pengembur Village, Pujut District, Central Lombok, and serves as a natural habitat for bats. This study aims to determine the characteristics of Saung Cave as a habitat for bats (Chiroptera), which includes the cave's dimensions, environmental conditions, surrounding vegetation, guano thickness, and other wildlife present in the cave. The methods used in this research involve observation, measurement, and field recording to assess the characteristics of Saung Cave as a bat habitat. The results indicate that the cave dimensions are 11.2 m wide, 13.2 m high, and 64.13 m deep. Saung Cave has a daily temperature ranging from 25.5ºC, humidity of 59.7%, and light intensity of 95 lx. The surrounding vegetation includes large-leaved mahogany (Swietenia macrophylla), small-leaved mahogany (Swietenia mahagoni), and gamal (Gliricidia sepium). Other wildlife found in the cave includes house centipedes (Scutigera coleoptrata), barn owls (Tyto alba), Nusa Tenggara rat snakes (Coelognathus subradiatus), curved-toed geckos (Cyrtodactylus marmoratus), and brown recluse spiders (Loxosceles reclusa). The thickness of guano in Saung Cave is 19 cm.
Species Abundance and Food Preferences of Butterflies Imago (Lepidoptera: Nymphalidae) at Utilization Block, Kerandangan Nature Tourism Park Seftira, Lora Agista; Syaputra, Maiser; Indriyatno, Indriyatno
Jurnal Biologi Tropis Vol. 25 No. 4 (2025): Oktober-Desember
Publisher : Biology Education Study Program, Faculty of Teacher Training and Education, University of Mataram, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jbt.v25i4.10424

Abstract

This research was conducted in the Utilization Block of the Kerandangan Nature Tourism Park, West Lombok, to analyze the abundance and feeding preferences of butterflies of the family Nymphalidae. The background of the study is based on the important role of butterflies as pollinators as well as bioindicators of ecosystem health, and the limited recent data regarding their diversity in this area. The methods used include species identification using the time search technique and vegetation analysis using double-square plots to determine the types of host plants. The data were analyzed descriptively and quantitatively through diversity, evenness, species richness, similarity, dominance indices, as well as feeding preferences and importance value indices. The study recorded 112 individuals from 28 butterfly species. The habitat with the highest abundance was Open Spaces (35 individuals, 17 species), while the lowest was in Secondary Forest (12 individuals, 8 species). The highest Shannon-Wiener diversity index was recorded in Open Areas (H’=2.73; moderate category). Butterfly feeding preferences were dominated by flowers from the families Asteraceae, Acanthaceae, Fabaceae, Moraceae, and Apocynaceae, with Ageratum conyzoides being the most preferred nectar source. Around 90% of butterflies used flowers as an energy source, while 10% consumed decaying fruit. In conclusion, the Kerandangan Nature Reserve has a fairly high diversity of Nymphalidae butterflies, with the availability of flowering vegetation being a key factor in species abundance and distribution.
Analysis of the Daily Behavior of Javan Gibbons (Hylobates moloch) at the Lombok Wildlife Park Ex-Situ Conservation Institute Rahayu, Widya; Ichsan, Andi Chairil; Syaputra, Maiser
Jurnal Biologi Tropis Vol. 25 No. 4 (2025): Oktober-Desember
Publisher : Biology Education Study Program, Faculty of Teacher Training and Education, University of Mataram, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jbt.v25i4.10449

Abstract

The Javan gibbon (Hylobates moloch) is a primate endemic to Java Island that plays a crucial ecological role as a seed disperser and indicator of rainforest health. This study aims to analyze the daily behavioral patterns of the Javan gibbon (Hylobates moloch) at the ex-situ conservation site Lombok Wildlife Park to assess its expression of natural behaviors and welfare conditions. The research was conducted from September 2024 to January 2025 using the ad libitum observation method on a single male individual. Observations were carried out once daily from 09:00 to 17:00 for seven consecutive days each week. Data were analyzed descriptively and quantitatively through ethogram presentation and frequency percentage calculations of behavioral occurrences. The results showed a dominance of arboreal locomotion behaviors: brachiation occurred 126 times (38.77%), climbing 47 times (14.46%), and descending 43 times (13.23%). Foraging and social behaviors were moderately observed feeding 27 times (8.31%) and playing 26 times (8.00%) while self-maintenance (grooming) occurred 13 times (4.00%) and resting 15 times (4.62%). Excretion frequency was low: urination 6 times (1.85%) and defecation 2 times (0.62%). These findings indicate that the enclosure structure supports natural arboreal behavior, but additional foraging stimulation and enrichment are needed to prevent boredom and enhance long-term welfare. Recommendations include improving environmental enrichment complexity, regular evaluation of vertical structures, and further research on Javan gibbon welfare standards in ex-situ conservation facilities.
Co-Authors ABDUL MUIN Adawi, Turmiya Fathal Agung Purnama Sakti Ahmad Jaelani Ainurrofiq Akram, Muhammad Zaki Ali Algifari Rozak Firdaus Amanda Dini Hidayah Andi Chairil Ichsan Andi Chairil Ichsan Andi Chairil Ichsan Andi Chairil Ichsan Andi Tri Lestari Andi Tri Lestari Andi Tri Lestari Andriyani, Anis Octa Andy C Ichsan Andy C. Ichsan Apriandi Ardian, Bahtiar Agung Asfiyantin, Saral Tri B, Kornelia Webliana Baiq Mega Kurnia Cahyani, Dina Fathia Chatami, Lalu Radinal Ihya Dea Aswani Delvi Eka Rahayu Diah Permata Sari Diah Permata Sari Diah Permata Sari DIAH PERMATA SARI, DIAH PERMATA Diah Permatasari Diah Permatasari, Diah Dian Safitri Dita Anggraini Dodi Julianto Doni Prasatya Dr Markum Dudi Septiadi Dwi Ayu Sunarti Dwi Sukma Rini Elwis, Khalid Endah Wahyuningsih Endah Wahyuningsih Endah Wahyuningsih Fariq Azhar Fauzan Fahrussiam Fauzan, Ahmad Febrilianto Kusuma Pratama Ferdian Arya Kusuma Feri Bagus Wardani GB Daril Rama Aditia Gefire, Baiq Dean Gina Sonia Hairil Anwar Hidayati, Maulia Husnul Khadijah I Gede Gandi Arya Utama I Putu Angga Teja Maya I Putu Eka Indrawan Ichsan, Andi Chairil Imro’atul Hapizah indra wahyu Indrityatno, Indrityatno Indriyatno Indriyatno, Indriyatno Irwan Mahakam Lesmono Aji ISLAMUL HADI Januardi Januardi Januardi Jurnal Pepadu Karima Paspania Khaliani Rahmatin Khofifa Ratomeci Kornelia Webliana Kornelia Webliana B Kornelia Webliana B Kornelia Webliana B. Kurniawan, Wa'il Lalu Anugrah Wira Anggardikzza Lazuardi Firdaus Lestari, Andi Tri Lina Farida M Rifky Tirta Mudhofir M. Fahed Ramadhan M. Nizar Hamdani Mahmud Mahmud Mahmudin, Ais Muharam Catur Mariun Markum Markum Marwati Maryam Shabrina Mei Nuri Chantika Mei Sukmawati Mizaji Tasnimia Mochammad Restu Julian Muammar Kadafi Muhajirin Muhajirin Muhamad Husni Idris Muhamad Rifky Tirta Mudhofir Muhammad Irham Muhammad Jaelani Muhammad Vandika Trihartawan Nelly Rosanty Safny Ni Luh Putu Yesy Anggreni Ni Made Wirastika Sari, Ni Made Wirastika Ni Wayan Sri Suliartini Nila Sari Nita Apriliana Nur Latifa Aini Nurdiansyah, Rizal Nurul Afriani Dewi Pahrur Rozi Pande Komang Suparyan Pande Komang Suparyana Pande Komang Suparyana Pranata, Dendy Ade Prasetyo, Dhimas Mardyanto Puspitasari, Fini Laelani Putri, Regina Natasya Qashmal Dwi Harianto RAHAYU, WIDYA Raiymond Haris Ramadhan, Nuzul Rizki Rian Wahyuni Rifany Ad’ha Handayani Rima Vera Ningsih Rizky Nurvaningsih Rusdianto Salsa Dwi Cahyani Sapitri, Baiq Anita Seftira, Lora Agista Setiawan, Budhy Shela Hadri Dhuha Sofia Mutmainnah Sonia Wulandari Srimulyaningsih, Reni Sukartono Suraya, Intang Syafaatullah, Lalu Muhammad Syauqi, Shofiyurrahman Tuti Asmawati Uswatul Ulya Wafiq Laelatul Kodrianingsih Wayan Prabudi Sathya Hindu Sambawa Webliana, Kornelia Wihelmus Jemarut Windi Aulia Apriani Witari Elya Utami Wulandari, Febriana Tri Wulandari, Ni Putu Ayu Siva Yuni Fatmala