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INDONESIA
Jurnal Biologi Tropis
Published by Universitas Mataram
ISSN : 14119587     EISSN : 25497863     DOI : -
Core Subject : Science, Agriculture,
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Immunology & microbiology
Jurnal Biologi Tropis (ISSN Cetak 1411-9587 dan ISSN Online 2549-7863) diterbitkan mulai tahun 2000 dengan frekuensi 2 kali setahun oleh Program Studi Pendidikan Biologi PMIPA FKIP Universitas Mataram, berisi hasil penelitian dan ulasan Ilmiah dalam bidang Biologi Sains.
Arjuna Subject : -
Articles 2,520 Documents
 108   109   110   111   112 
Vertebrate Diversity as a Bioindicator and Conservation Basis to Support Ecotourism in the Sekaroh Forest Area, East Lombok Yamin, M.; Khairuddin, Khairuddin; Artayasa, I Putu
Jurnal Biologi Tropis Vol. 24 No. 2 (2024): 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.v24i2.6745

Abstract

Research on vertebrate fauna diversity as a bioindicator and conservation basis to support ecotourism in the Sekaroh Forest Area, East Lombok Regency was conducted in November 2022. The goal is to obtain an accurate description of the existence of vertebrate fauna species and the ecological conditions of the Sekaroh forest area. Data collection was carried out by survey method by way of exploration. The data obtained were analyzed qualitatively and quantitatively calculated by the Index: species diversity according to Shannon-Wienner (H'), type abundance (E), dominance (D), type similarity (IS), and distribution patterns. The results were obtained as many as 536 individuals classified into three classes and 30 species. Reptiles have 39 individuals 5 sp., Aves 208 individuals 15 sp., and Mammals 35 individuals 10 sp. Aves is the most diverse species, while Macaca pascicularis has the largest population. The species diversity index (H') and abundance of vertebrates in the region are relatively high, meaning that environmental and wildlife conditions are relatively good, available and maintained by various factors supporting their survival. All vertebrate species found during surveys and observations are common fauna, their distribution area is wide and easy to find in various locations in various regions. The population of M. fascicularis needs to be controlled as an effort to mitigate agricultural pests and support ecotourism. The involvement of local residents in conservation efforts of M. fascicularis in the Sekaroh Forest Area for security and conflict avoidance.
Potential of Mango Leaf Methanol Extract (Mangifera indica L.) as A Bioherbicide Against The Growth of Putri Malu Weed (Mimosa pudica L.) Adellya Nabilla Putrie; Zakiah, Zulfa; Mukarlina, Mukarlina
Jurnal Biologi Tropis Vol. 24 No. 2 (2024): 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.v24i2.6747

Abstract

Putri Malu (Mimosa pudica L.) is a weed that often found in various places, especially on agricultural land and plantations. Mangifera indica L. has potential as a bioherbicide because it contains aleochemical compounds, which inhibit the growth of other plants. This research aims to determine the potential and the best concentration of methanol extract of mango leaves (Mangifera indica L.) in inhibiting the growth of putrimalu weed (Mimosa pudica L.). This research was carried out for four months, in the Kasa House Laboratory, Biology Department, Faculty of Mathematics and Natural Sciences, Tanjungpura University. The research used a Completely Randomized Design (CRD) with five mango leaf extract concentration treatment levels, namely control (P0), 10% (P1), 20% (P2), 30% (P3), and 40% (P4). Each treatment was repeated five times to obtain 25 experimental units. The results showed that the methanol extract of mango leaves (Mangifera indica L.) had an effect on inhibiting the germination and growth of the M. pudica weed. The best concentration of methanol extract of mango leaves in inhibiting the germination and growth of putrimalu weed is a concentration of 20%.
Community Structure and Carbon Content of Mangrove Forest In The Bagek Kembar, Sekotong West Lombok Hidayat, X Zardht Alex; Santoso, Didik; Syukur, Abdul
Jurnal Biologi Tropis Vol. 24 No. 1 (2024): 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.v24i1.6748

Abstract

Mangroves are tropical plants found in saline environments and have a function in regulating CO2 and O2 in the atmosphere. The aim of this research is to assess the community structure and carbon content of mangrove species in natural locations and revegetation results in Bagek Kembar, Sekotong, West Lombok. The research method uses transect and quadrat methods. The first data analysis was descriptive and then used carbon content analysis from the International Panel on Climate Change. The results of the research found 10 species of mangroves in natural locations, namely Avicennia alba, Avicennia marina, Bruguiera gymnorrhiza, Ceriops decandra, Excoecaria agallocha, Rhizophora apiculata, Rhizophora mucronata, Rhizophora stylosa, Sonneratia alba, and Sonneratia caseolaris, and in the revegetated locations were Avicennia marina, Rhizophora apiculata, Rhizophora mucronata, and Rhizophora stylosa. Furthermore, the seedling category has the highest density in natural mangrove locations with a total of  37976,19 individuals/Ha and in revegetated locations of 22361,11 individuals/Ha.  The mangrove species that dominates in natural locations is the Avicennia marina species and in the revegetation results is the Rhizophora stylosa species based on frequency, density and dominance values. The highest biomass value in natural mangroves was obtained from the Avicennia marina species at 52,870 tonnes/ha, while in revegetated mangroves it was obtained from the Rhizophora stylosa species at 29,747 tonnes/ha. Furthermore, the total carbon content in natural mangrove locations is 59,329 tonnes C/ha or equivalent to carbon absorption of 183,018 tonnes CO2/ha. Meanwhile, the total carbon content in revegetated mangrove locations is 21,877 tonnes C/ha or comparable to carbon absorption of 80,290 tonnes CO2/ha. The research conclusion shows that the species that dominates and has the highest carbon content in natural locations is the Avicennia marina species and in revegetated locations is the Rhizophora stylosa species.
Spatial Study of Maleo Bird Habitat Area Change in Sulawesi Kumaji, Syam S; Wantogia, Misnawaty; Mohamad, Nurdin; SM, Farid; Yusuf, Daud; Baderan, Dewi Wahyuni K; Hamidun, Marini Susanti; Rahim, Sukirman; Dunggio, Iswan
Jurnal Biologi Tropis Vol. 24 No. 2 (2024): 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.v24i2.6754

Abstract

Maleo (Macrocephalon maleo), a unique Sulawesi endemic bird, is threatened by habitat loss. This study aims to analyse changes in maleo habitat areas in Sulawesi using spatial data and propose effective conservation measures. Spatial data in the form of maleo home range maps (IUCN) were used for overlay analysis. The results of the overlay analysis were compared with land cover data to identify changes in maleo habitat area. Of the total area of approximately 884,040 hectares, 14.13% or 124,887.63 hectares have been converted to agricultural land. The construction of new settlements has affected 0.46% or 4,087.5 hectares of the habitat. In addition, plantations have occupied 2.82% or 24,965.92 hectares of the maleo habitat area. Changes to maleo habitat areas in Gorontalo are significant, with agricultural land conversion, settlement development, and plantations being the main threats. Effective conservation efforts should focus on habitat restoration, law enforcement, community education, and the development of environmentally friendly economic alternatives.
Comparative Analysis of Antioxidants in Moringa Leaves and Soursop Leaves Kamaluddin, Irna Diyana Kartika; Ramadhani, Pratiwi Trisda; Bima, Irmayanti Haidir; Irwan, Andi Alamanda; Matoo, Rasfayanah F.
Jurnal Biologi Tropis Vol. 24 No. 2 (2024): 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.v24i2.6760

Abstract

Antioxidants are chemical compounds that can donate one or more electrons to free radicals, so antioxidants function to neutralize free radicals. Antioxidants delay and inhibit cell damage through their properties that can neutralize free radicals. Several studies have reported that M.oleifera has antioxidant activity to various pharmacological effects such as anti-inflammatory and anti-cancer. Moringa oleifera or better known as Moringa is a plant that is widely used by the community to overcome various disease complaints. In addition to Moringa leaves, Soursop leaves (Annona muricata L) also have high antioxidant content in their leaves so that these plants can be divided into synthetic antioxidants and natural antioxidants. The use of synthetic antioxidants is currently decreasing due to consideration of the negative effects on health such as liver damage and can cause carcinogens so that their use is replaced by natural antioxidants. The natural antioxidants in question are compounds found in natural materials such as Moringa leaves and Soursop leaves. The type of research used in this study is experimental research by testing the comparison of antioxidant compound activity between Moringa leaves and Soursop leaves using the DPPH method. Moringa leaves had antioxidant activity of 141.34 ppm, while Soursop leaves had antioxidant activity of 82.39 ppm. There is no significant difference in antioxidant activity between Moringa leaves and Soursop leaves.
The Potential of Black Cumin (Nigella sativa) as an Immunostimulant in Aquaculture (Review) Muahiddah, Nuri; Diniariwisan, Damai
Jurnal Biologi Tropis Vol. 24 No. 2 (2024): 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.v24i2.6762

Abstract

Research on the use of black cumin (Nigella sativa) as an immunostimulant in aquaculture has shown interesting potential. In this review, we explore the potential of black cumin as an immunostimulant in aquatic animals. Based on a recent literature review, we highlight the positive effects of black cumin extract in enhancing immune responses in aquatic organisms. The active compounds in black cumin, such as thymoquinone and α-hederin, are thought to have the ability to stimulate the immune system, increase cytokine production, and increase phagocytic activity. Implications of using black cumin in aquaculture include the potential to improve the health and productivity of aquatic animals. However, challenges such as dose optimization, effectiveness in various aquatic species, and environmental risk management need to be addressed. Suggestions for further research include more in-depth studies of the mechanism of action, clinical trials on various aquatic species, as well as environmental impact assessments. With a careful and coordinated approach, the use of black cumin as an immunostimulant has the potential to increase sustainability and productivity in aquaculture practices.
Molecular and Phylogenetic Character Analysis of Tuna (Auxis rochei) Based on the CO1 Gene in the Waters of West Lombok Darmawan, Rizky Ferdyanto; H. Mahrus; Syamsul Bahri; Zulkifli, Lalu
Jurnal Biologi Tropis Vol. 24 No. 2 (2024): 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.v24i2.6768

Abstract

Tuna Fish is a type of tuna with a medium body size and fair wide distribution in Indo-Pacific waters. The number of Tuna Fish species that have morphological similarities can cause misidentification. This study aims to determine the genetic and phylogenetic diversity between variations of Tuna Fish species in the West Lombok Waters. This research is an exploratory study with the object of research being a dataset of ingroup sequences of tuna and outgroup sequences from the same family. The amplification of fish samples used DNA primers targeting the CO1 gene, which resulted in a sequence length of approximately 650 bp. Sequence data were analyzed using MEGA XI software known from phylogenetic tree analysis shows that Tuna Fish from the waters of the West Lombok are closely related to Tuna Fish from the South China Sea and have a genetic distance of less than 3%.
Analysis of Exchange Rates and Food Security of Small Fisher Households (Case Study of Medang Island, Sumbawa Regency) Husni, Syarif
Jurnal Biologi Tropis Vol. 24 No. 1 (2024): 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.v24i1.6769

Abstract

The basic problem faced by fishing households, especially small fishing households, is the uncertain level of income to meet household needs, both food and non-food. Therefore, the level of income and expenditure of small fishing households influences the fishermen's exchange rate, food consumption patterns and the level of food security of fishing households. The research objectives are 1) to analyze the income and expenditure of small-scale fishing households, 2) to analyze the Fisherman's Exchange Rate (FER), and 3) to analyze the level of food security of small-scale fishing households on Medang Island. Data collection uses survey techniques and uses case studies. 40 small fishing households were selected using Quota Sampling. Next, the determination of respondents was carried out using Simple Random Sampling. The household income of fishermen on Medang Island is IDR 73,643,157 per year, sourced from on-fishing, IDR 65,952,248, non-fishing, IDR 7,090,910, and other sources IDR 600,000 per year. Fisherman household expenditure on Medang Island is IDR 43,270,909 including food expenditure IDR 17,044,364 and non-food IDR 26,226,545 per year. An FER of 1.7 means that small fishing households have a level of welfare sufficient to meet primary needs and can potentially meet non-primary needs or save. In general, small fishing households on Medang Island are categorized as "food secure" households, but if disaggregated by household, 75% are food secure and 25% are food insecure (food insecure).
Wild Edible Plants as an Alternative Food Source for The Community of Pakis Baru Village, Nawangan, Pacitan Cahyanti, Fiky Ariska; Eskundari, Ratna Dewi; Purwanto, Agus
Jurnal Biologi Tropis Vol. 24 No. 2 (2024): 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.v24i2.6779

Abstract

Wild edible plants" is a term used to refer to wild plants that can be consumed or used as a food source by humans. Village communities often use wild edible plants to obtain additional food sources, especially in situations where access to other food ingredients is limited. The aim of this research is to find out the types of wild plants that are often used as alternative food ingredients, including the parts of the plants used and the processing efforts. The data analysis method used in this research is the qualitative descriptive method. Based on the results of interviews with informants, namely the people of Pakis Baru Village, 37 types of wild edible plants from 22 families were obtained which were used as alternative food, including tubers, vegetables and fruit. The most widely used wild edible plants, namely vegetables (24 species), followed by tubers (6 species), fruits (6 species) and other preparations in the form of grass jelly (1 species). The parts or organs of wild plants consumed are young leaves or leaf shoots, stems, flowers, fruit, bamboo shoots and tubers. The common processing methods are steaming, boiling, sautéing, roasting, botok, extracting the starch for certain food preparations, or consuming it directly as fresh vegetables. The high diversity of wild edible plant species shows that Pakis Baru Village has great potential as an alternative food source. From utilizing this diversity, society can develop varied and sustainable food strategies.
The Potential of Frass BSF as an Organic Fertilizer for Making Sustainable Agriculture a Reality Susilo, Hadi; Nurmayulis, Nurmayulis; Syahbana, Mohammad Ana; Sodiq, Abdul Hasyim
Jurnal Biologi Tropis Vol. 24 No. 2 (2024): 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.v24i2.6782

Abstract

Organic fertilizers have an important role in increasing plant growth and productivity. Currently, chemical fertilizers are considered is felt to be increasingly expensive, and rare, and can cause agricultural land to become unhealthy, and the production costs of agricultural crops to become large. One of the organic fertilizers that can be used as a new choice is organic fertilizer from Frass BSF, with several advantages, namely that the raw material is organic waste, which is abundant, easy to obtain, and cheap. This research method uses literature studies from online databases by collecting all information that explains BSF frass. The research results show the nutritional content of frass, the use of BSF frass, the role of frass as an organic fertilizer in increasing growth and productivity, as well as evaluating the effectiveness and application of frass on various types of agriculture plants.

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