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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
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Search results for , issue "Vol 2 No 2 (2022): April 2022" : 5 Documents clear
Concentration of Heavy Metals Pb, Cr, and Hg in Demersal and Pelagic Fish in the Ciliwung River Khoe Susanto Kusumahadi; Yeremiah Rubin Tjamin
Journal of Tropical Biodiversity Vol 2 No 2 (2022): April 2022
Publisher : Universitas Nasional Jakarta

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Abstract

The objective of this research was to know the concentration of Pb, Cr, and Hg in Fish in the Ciliwung River. The observation of Heavy Metals concentration in Fish showed that only Hg in internal organ of Demersal Fish was significantly different according to the location and replication (P < 0.05), while Heavy Metals of Pb and Cr in Demersal and Pelagic Fish were not different according to the location and replication. It means that human activities such as industrial, settlement, agriculture and transportation along the Ciliwung River affect adsorption/absorption of Hg by Fish. Generally, Pb, Cr, and Hg concentration in the internal organ of Demersal and Pelagic Fish were higher than in the Fish Meat, because internal organ are the target organ of Heavy Metals substances in Fish. In general, metal concentrations of Pb, Cr, and Hg in the meat and organs of Demersal Fish were higher than that in the meat and organs of Pelagic Fish. This was due to the activity of Demersal Fish that forage and are active in bottom waters close to sources of heavy metal pollutants (sediment). The Result of observation show that in general, the contribution of human activities in the DKI Jakarta area to the presence of Pb, Cr, and Hg in the waters, sediment and Fish of the Ciliwung River was greater than in the Bogor and Depok areas.
Antibacterial of Eight Macrofungi Species Against Noverita Noverita; Nyoman Ayu Ratmini
Journal of Tropical Biodiversity Vol 2 No 2 (2022): April 2022
Publisher : Universitas Nasional Jakarta

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Abstract

Indonesia is a newly developing country, with many problems, one of which is health problems related to medicinal ingredients (antibiotics). Many microorganisms, especially bacteria, are resistant to various types of antibiotics. Various efforts have been made by the government to find new antibiotics, to reduce the use of semisynthetic or synthetic antibiotics which are very dangerous. One of them uses macrofungi.The antibacterial activity of eight species of macrofungi (Ganoderma applanatum, G. boninense, Ganoderma sp1, Ganoderma sp2, Trametes sp1, Trametes sp2, Trametes sp3, Microporus xanthopus and Suillus sp1) against Escherichia coli and Staphylococcus aureus has been carried out, using the diffusion method. The results showed that six species were able to inhibit the growth of Staphylococcus aureus. The species were Ganoderma applanatum, Ganoderma sp1, Trametes sp.1, Trametes sp.2, Trametes sp.3, and Suillus sp. The resulting limiting zone ranged from 6.5-11 mm. The zone of inhibition produced by Trametes, the smallest inhibition zone of Ganoderma sp1. The higher the concentration of the extract, the greater the ability to inhibit the growth of the test bacteria.
Community Structure of Seagrass Semak Daun Island and Kotok Kecil Island, Seribu Island, Jakarta Sri Handayani; Indraswati Pratiwi; Dwi Andayaningsih
Journal of Tropical Biodiversity Vol 2 No 2 (2022): April 2022
Publisher : Universitas Nasional Jakarta

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Abstract

Seagrass is a shallow waters ecosystem. Research on the structure of the seagrass community has been conducted on Semak Daun Island and Kotok Kecil Island, Thousand Islands, Jakarta. Semak Daun Island includes the residential zone where is a lot of human activity, and Kotok Kecil Island is a part of the utilization zone. This study aimed to determine the structure of the seagrass community on Semak Daun Island and Kotok Kecil Island. Data were collected using the line transect and quadratic methods; one island is divided into 4 stations that are assigned into 3 transects with 25 m length from each station, and 50 meters straight line is drawn from each transect, and a plot 1 x 1 m is laid out every 10 meters. The results showed that the species composition on Semak Daun Island (4 species, 2 families) was higher than on Kotok Kecil Island (2 species, 2 families). The Similarity Index between the two islands was at the same level. The seagrass diversity index on Semak Daun Island was in the medium category, and the diversity of seagrass species on Kotok Kecil Island is low. Frequency, Density, Coverage, and Important Value Index on both islands were the same, Thalassia hemprichii had the highest yield compared to other species on both islands, whereas the smallest on Semak Daun Island was Halophila ovalis and the smallest on Kotok Kecil Island was Halodule uninervis.
Interaction of Butterfly (Lepidoptera: Papillionoidea) and Flowering Plants in The Forest Area of The Cibubur Arboretum Jakarta Hasni Ruslan Dwi Andayaningsih Farhana Auliadin
Journal of Tropical Biodiversity Vol 2 No 2 (2022): April 2022
Publisher : Universitas Nasional Jakarta

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Abstract

Butterfly observation research in the Arboretum City Forest area has been widely known, but research related to interaction of butterflies and flowering plants is still scarce. The Aim of this study was to determined the interaction of butterflies and flowering plants in the Cibubur Arboretum City Forest area. We found 45 species, 4 families with 232 individuals, which consists of four butterfly families, includingPapilionidae, Pieridae, Nymphalidae, and Lycenidae. The results of this study are different from the results ofresearch conducted in 2014. We found that the number of individuals and species are decreased. Based on the diversity index value in 2014, and current situation,has a similar moderate category diversity index. This can be due to the presence of the same feed plants and host plants in this area. Several types of flowering plants were found at the research site: Asystasiagangetica, Emilia sanchofolia, Synedrella sp., Kyllingasp., and Mimosa pudica. There are some of the same plants found in both opened and closed habitats such asPolyalthialongifolia, Diffenbachiaseguine, Cecropianpeltata, Parkiaspeciosa , and Swieteniamahagoni. The butterfly species Leptosianina is one of the species found in high numbers in the Arboretum City Forest area, due to the many host plants found in this area. The correlation analysis showed a strong relationship between flowering plants and the number of individual butterflies in both habitats (opened and closed). The Asystasyagangetica plant is widely used by butterflies as a food source
Ethnobotany of Societies Tanjung Belit, Muara Bio and Batu Sanggan Around the Wild Reserve Bukit Rimbang Bukit Baling Riau, Pekanbaru Indonesia Ikhsan Matondang; Sri Endarti Rahayu; Ritchi Y.H.L.T
Journal of Tropical Biodiversity Vol 2 No 2 (2022): April 2022
Publisher : Universitas Nasional Jakarta

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Abstract

Villagers around the wildlife reserve Bukit Rimbang Bukit Baling Riau are societies that still used the wealth of plant resources for daily living. Tanjung Belit, Muara Bio and Batu Sanggan are villages around wild reserve Bukit Rimbang Bukit Baling, Riau. The tribes that inhabit these three villages are Domo, Melayu, Tonga, and Kafe tribes. Not much scientific information reveals the use of plants by the societies in the three villages mentioned above. The purpose of this study is to inventory the use of plants in the three villages mentioned. The study was conducted in April 2016 by interviewing societies leaders and people with knowledge about the use of plants for the daily use of the societies and direct observations during field trips. The results obtained 95 species of plants in 49 family are used by the societies in everyday use in the three villages. The use of the plant by the three societies villagers 55 species for medicine, 39 species for food, 8 species for board material, 5 species for industrial material, 2 species for ornamental, 1 species for aphrodisiac, and 2 for others. This knowledge is very important for the next generations and also as a guide for the existence of the used to be preserved sustainability.

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