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Harini Nurcahya
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INDONESIA
Journal of Tropical Biodiversity
Published by Universitas Nasional Jakarta
ISSN : -     EISSN : 27744116     DOI : -
Core Subject : Science, Agriculture, Engineering,
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Immunology & microbiology
Journal of Tropical Biodiversity, ISSN : 2774-4116 (Online) is an international journal that publishes articles on all aspects of biological diversity-its description, analysis and conservation, and its controlled rational use by humankind. The scope of Biodiversity and Conservation is wide and multidisciplinary, and embraces all life-forms. published by Universitas Nasional Jakarta
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Ilmu Hewan dan Zoologi
Articles 5 Documents
 1 
Search results for , issue "Vol 1 No 3 (2021): August 2021" : 5 Documents clear
Do Orangutans Have Digestion Problems After Eating Oil Palm Fruit? A Review Didik Prasetyo; Fitriah Basalamah
Journal of Tropical Biodiversity Vol 1 No 3 (2021): August 2021
Publisher : Universitas Nasional Jakarta

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Abstract

This review discusses the assumptions of orangutans using oil palm by reviewing the daily activities and dietary composition of feeding behavior in wild and ex-rehabilitant orangutans. The percentage pattern of daily activity shows the same trend, spending more time on feeding than other activities. Similarly, the diet composition of wild or ex-rehabilitant orangutans in Sumatera and Borneo show the choice of fruit as their main diet, as a frugivore animals. However, when the fruit season decreases, both wild and ex-rehabilitant orangutans’ choice to use bark or termites to meet their nutritional needs. There are three assumptions in this paper, First, forest fruit scarcity will drive orangutans to utilize other food resources. Second, based on ape dietary studies on oil palm fruit, chimpanzees, orangutans and gorillas preferred bark and young leaves rather than the fruit. Third, health problems arise after consuming oil palm fruit. This is an early sign that nutrients do not drive orangutan to consume oil palm fruit.
Phytochemical Screening on Some Leaves and Fruits Consumed by Javan Gibbons (Hylobates Moloch) from Cikaniki Area, Mount Halimun Salak National Park, West Java Astri Zulfa; Muhamad Arif Wibisono; Muhammad Fathir Mulki; Jim Ron; Misbah Satria Giri; Rahayu Oktaviani
Journal of Tropical Biodiversity Vol 1 No 3 (2021): August 2021
Publisher : Universitas Nasional Jakarta

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Abstract

Javan gibbon (Hylobates moloch) consumes different species of food, including fruits, leaves, flowers and insects. The food eaten by Hylobates moloch contains beneficial chemical compounds. One type of chemical compound found in Hylobates moloch food plants is secondary metabolite compounds that can affect also to feeding behavior. Secondary metabolites are chemical compounds in a plant that do not play a direct role in the needs of the plant's life but play a direct role in its environment. Several groups of secondary metabolites found in Hylobates moloch food plants include alkaloids, flavonoids, saponins, and tannins. The secondary metabolite compounds in these plants have potential as medicines. A sampling of Hylobates moloch food plant was taken from the Cikaniki area, Mount Halimun Salak National Park, West Java, based on the results of interviews with local communities and the research was continued with phytochemical tests. The results obtained 23 samples from 22 species of Hylobates moloch food which are included in 13 plant families, consisting of 18 types of leaves and 5 types of fruit. The results of qualitative phytochemical tests carried out on 23 samples of Hylobates moloch food plants obtained alkaloids, flavonoids, saponins, and tannins. The results of interviews with communities and literature studies show that Hylobates moloch food plants that are often used as medicine to cure certain diseases include: Dysoxylum parasiticum, Euodia latifolia, and Cinnamomum parthenoxylon
Agribusiness Prospect of Banana Flowers and Oyster Mushrooms as Raw Materials of Meatballs Vegetarian Farida Farida; Wayan Rawiniwati
Journal of Tropical Biodiversity Vol 1 No 3 (2021): August 2021
Publisher : Universitas Nasional Jakarta

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Abstract

Meatballs are one of the popular foods in Indonesia which are generally made from beef meatballs, chicken meat, and fish. However, some Indonesian people like meatballs but cannot consume meat for various reasons, one of which is nutrition and health. Therefore, the author tries to make meatballs made from banana blossoms and oyster mushrooms that can reach that community and are also healthy and nutritious. In this study, the authors determine the right formula between the flower of a banana with oyster mushrooms to get the best taste and quality. Then the authors analyzed the levels of crude fiber, water content, protein content, and organoleptic properties of vegetarian meatballs. After ensuring nutrition, the author also conducted a financial feasibility analysis for this vegetarian meatball. The author's research was conducted at Jalan Bambu Kuning National University Laboratory Center Building, South Jakarta, from December 2013 to June 2014. This research resulted in conclusions that the vegetarian meatball formula with a ratio of 40% banana blossom and 60% oyster mushroom is the best formula and meatball making business. This vegetarian can make a profit of IDR 10,560,000 per month.
Preliminary Study of Coral Reef Condition at the Embankment Construction Site of Pulau Harapan, Kepulauan Seribu National Park, DKI Jakarta Tatang Mitra Setia; Hermansyah Hermansyah; Prawesti Wulandari; Hilwa Syifa Fadhillah; Cipto Utomo; Domingus Da Costa; Devi Alamsyah; Alinar Alinar
Journal of Tropical Biodiversity Vol 1 No 3 (2021): August 2021
Publisher : Universitas Nasional Jakarta

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Abstract

The construction of the embankment on Pulau Harapan aims to break the waves and protect the land from coastal abrasion. The construction of this embankment will provide many benefits for the community, but the implementation of its construction activities will, directly and indirectly, have an impact on the condition of the biota in the shallow sea waters of Pulau Harapan. To find out the impact of damage, it is necessary to conduct an initial study of the condition of coral reefs at the embankment construction site on Pulau Harapan. The purpose of this study is to obtain preliminary information on coral reef ecosystems. The method used in this research is the Underwater Photo Transect/UPT method which is then analyzed using CPCe 4.1 (Coral Point Count with Excel extension) software. The results of the physical and chemical measurements of the waters concluded that the quality of the waters at the observation site was still within the tolerance limits for coral life. The results of the analysis of the percentage of live coral cover are in the bad category with a percentage value of 17.1%. The composition of corals found were 5 families and 7 genera. The most commonly found coral genus is Porites. The dominance index value is 0.43 and is included in the low category and means that there is no dominant coral genus. The structure of the benthic community in the survey site area is dominated by sand and coral fragments that have been dead for a long time. The condition of the coral reef ecosystem in the observation area is classified as unstable.
Diversity and Threat Hunting of the Birds in the Labian-Leboyan Corridor West Kalimantan Gusti Wicaksono; Mohamad Arif Rifqi; Imran S.L Tobing; Sri Suci Utami Atmoko
Journal of Tropical Biodiversity Vol 1 No 3 (2021): August 2021
Publisher : Universitas Nasional Jakarta

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Abstract

Labian-Leboyan corridor is both lowland and peat swamp forested areas pointed in a strategic location between Betung Kerihun and Danau Sentarum National Park. The area is mostly managed by communities and essential areas for birds. This study is conducted to understand the diversity of birds and the threats in both peat swamp and lowland habitat using the 12 line transects method and direct observation to hunter's place. The study results are 173 bird species identified, 131 species associated with peat swamp forest, and 104 species associated with lowland forest. 108 individuals from 29 species of birds were captured for trade and meat in both habitats. Immediate conservation action is needed to support sustainable resources management of biodiversity, especially birds in the area.

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