cover
Article Per Year (5 Year)
All
Home Page
OAI Link
Editorial Team
Contact
Reviewer
Google Scholar
Contact Name
-
Contact Email
-
Phone
-
Journal Mail Official
-
Editorial Address
-
Location
Kota mataram,
Nusa tenggara barat
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 2,562 Documents
 61   62   63   64   65 
Bird Species in Rojolelo Forest Park (TAHURA) Central Bengkulu, Bengkulu Eki Susanto; Evelyne Riandini; Riki Rahmansyah
Jurnal Biologi Tropis Vol. 23 No. 2 (2023): April-June
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.v23i2.4748

Abstract

Rojolelo Forest Park (TAHURA) is a green open space in Central Bengkulu Regency. The research aimed to determine the species, diversity, and conservation status of birds in the Rojolelo Forest Park (TAHURA) Central Bengkulu Regency. The research was conducted February-April 2022 in three locations such as Shrubs, Irrigation dan TAHURA Office. The sample used point counts method. The Research showed 33 bird species from 21 families and 115 individuals, the diversity index (H’) = 3, 01. The family most commonly was founded Nectariniidae (4 species). Five bird species were protected such as Meiglyptes tukki (Buff-necked woodpecker), Eurylaimus ochromalus (Black and yellow broadbill), Ictinaetus malayensis (Black Eagle), Spilornis cheela (Crested serpent Eagle), and Pitta sordida (Hooded Pitta).
Microplastics Content of Seaweeds in the Mariculture Potential Zone at The Southwest of Coastal Bawean Island Wiga Alif Violando; Nur Maulida Safitri; Andi Rahmad Rahim; Mauludiyah; Agus Purnomo Ahmad Putikadyanto
Jurnal Biologi Tropis Vol. 23 No. 2 (2023): April-June
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.v23i2.4770

Abstract

Bawean Island is a sheltered and clean coastal waters that can be exploited for mariculture, particularly seaweed. Due to its enclosed environment, the presence of different wastes, particularly microplastics, is deemed negligible. The purpose of this research is to investigate the prevalence of microplastics in numerous seaweeds on Bawean Island's southwest shore, as well as the viability of seaweed production. At a depth of 1-6 meters, samples of red, green, and brown seaweed were obtained and examined for microplastics by destroying the cell walls. At the two observation sites, water characteristics such as current, pH, salinity, TDS, DO, substrate, temperature, depth, and brightness were also monitored. Based on the results, the southwest coastal waters of Bawean were suitable for seaweed cultivation. Furthermore, the lowest-highest microplastic concentration was discovered in Gracillaria sp. 44±18 particles/100g, Halimeda sp. 52±16 particles/100g, Caulerpa sp. 94±31 particles/100g, and Sargassum sp. 251±59 particles/100g, with a form of microplastic found in fragments, fibers, and films. Various colors of microplastics were found. According to this study, seaweed can act as a vector for microplastics to infiltrate the food chain. This is indicated by the substantial accumulation of microplastics in cultivation potential zones of seaweed where there are fewer human activities. This microplastic accumulation could then occur at a higher trophic level, thus seaweed in nature must be quarantined and cleaned after cultivation to reduce the concentration of microplastic contamination.
Valorization of Rambutan Peel as Adsorbent for Tempeh Wastewater Dewi Kurnianingsih Arum Kusumahastuti; Rindang A Laksono; Ronal F Hindra
Jurnal Biologi Tropis Vol. 23 No. 2 (2023): April-June
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.v23i2.4792

Abstract

Tempeh is one of Indonesia traditional foods which made from fermentation processed soybean. There is wastewater from tempeh production that usually wasted to the river without further treatment. One of the parameters for wastewater is chemical oxygen demand (COD). Higher COD correlated to the higher risk to the environment. To decrease the COD level of tempeh wastewater valorization rambutan peels as adsorbent was done. The adsorbent was prepared by drying up and powdering rambutan peels. Boehm titration was used to characterize some functional groups of rambutan peels. Optimization of the contact time and the acidity level (pH) was done under room temperature condition. As results, the rambutan peel contains carbocyclic (0,0492%), alkaline functional group (0,0360%), phenol (0,0004%) and lactone (0,0002%).  Besides, the optimal condition for the reaction were at pH 11 for 90 minutes that can reduce COD level from 23.840 mg/L to 10.230 mg/L.  
Conditions of Aquatic Biodiversity Around the Port of Pototano, District of West Sumbawa Ahmad Jupri; Hilman Ahyadi; Rachmawati Noviana Rahayu
Jurnal Biologi Tropis Vol. 23 No. 1 (2023): January - March
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.v23i1.4812

Abstract

Pototano Harbor is one of the locations that crosses a potential marine conservation area, namely the Gili Balu Marine Tourism Park Area.The use of the Pototano port location as a port location has long existed before the formation of the waters area of the Gili Balu water tourism park. This area consists of eight groups of islands which are characterized by beautiful beaches, hills, mangrove forest areas and also the beauty of underwater ecosystems. Natural conditions that support abundant biodiversity make this area have several ecosystems in the aquatic environment, including coral reefs, sea grasses and mangroves. This study aims to determine the condition of the biodiversity of the surrounding watersPototano Port and Core ZoneGili Balu Tourism Park Areanamely Gili Belang, Gili Paserang and Gili Namuby increasing knowledge and human resources regarding water area management. This area has both positive and negative values.The results showed that the highest level of diversity in coral reef ecosystems and seagrass ecosystems was found in the Core Zone of TWP Gili Balu, namely Gili Belang with 86% and 80.8% coverage.The diversity of mangrove species in the four locations is relatively the same, but the abundance or individual density of each species is relatively different.Conditionwaters in the research location classifieddry waters and under normal conditions or not pollutedbecause it has an abundance of plankton communitiesas big 62,33 Eng/L with the most common type is Thalassionema frauenfeldii and Chaetoceros tortissimus.
Community Structure and Health Conditions of Mangrove in Sabu Raijua Fakhrurrozi Fakhrurrozi; Zihan Yuniar; Muhammad Harun; Wiwid Andriyani Lestariningsih; Ibadur Rahman
Jurnal Biologi Tropis Vol. 23 No. 2 (2023): April-June
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.v23i2.4626

Abstract

Mangrove ecosystem has an important role for the coastal ecosystem in Sabu Raijua which is included in the TNP Laut Sawu conservation area. Its designation as a water conservation area indicates that the area is an important for the protection of fishery diversity and other marine resources. Mangroves play an important role for the diversity of marine biota because of their role as a breeding ground, foraging, and nursery ground for various types of marine biota. For this reason, the role of mangrove ecosystems as supporting conservation areas is very important. The functioning of the mangrove ecosystem can be seen based on the community structure and ecosystem quality conditions. This study aims to determine the condition of the community structure and health conditions of mangroves on Sabu Raijua Island. The survey location was obtained at 5 observation stations spread across Sabu Island. The results showed that 8 species of mangrove were identified with the dominance of Mangrove Lumnitzera racemosa with an IVI value of 191%. The percentage of canopy cover found ranged from 33 – 58% with an average value of 46%. Density ranges from 23 – 45 ind/plot, with an average of 31 ind/plot. The Mangrove Health Index (MHI) value in was 36.51 ± 14.05% which is included in the Moderate category. The high value of the standard deviation (14.05) indicates that there are still mangrove locations in Sabu Raijua that have poor conditions (Poor).
Effect of Saccharomyces cerevisiae and Cobalt in Ammoniated Oil Palm Trunk to In-Vitro Digestibility of Dry Matter, Organic Matter and Crude Protein Azhary Noersidiq; Yetti Marlida; Mardiati Zain; Fauzia Agustin; Fahrullah Fahrullah; Vebera Maslami
Jurnal Biologi Tropis Vol. 23 No. 2 (2023): April-June
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.v23i2.4739

Abstract

Amoniated oil palm trunk has potency as feed of ruminant but have to combined with technology to increase its digestibility by supplementation with Saccharomyces cerevisiae and Cobalt (Co) minerals. The purpose of this study was to know the effect from S. cerevisiae and Co supplementation in ammoniated oil palm trunk to in-vitro digestibility of dry matter (IVDM), organic matter (IVOM) and crude protein (IVCP). This research used a 3 x 3 factorial Randomized Block Design (RBD) with 2 factors and 3 replications where factor A was the level of S. cerevisae (A1: 0%, A2: 0.5%, A3: 1%) and factor B was the level of Co (B1: 0 ppm, B2: 0.1 ppm, B3: 0.2 ppm). The results showed that supplementation of them was increased digestibility as a single factor but did not show any interaction between them. The best treatment was 0.5% S. cerevisiae and 0.1 ppm mineral Co with the highest increasion was 63.72% IVDM; 64.08% IVOM and 72.58% IVCP respectively.
Ethnobotanical Study of Cilokaq, Traditional Musical Art of Sasak Tribe on Lombok Island Sahid Imam Wahyudi; Sukiman Sukiman; Kurniasih Sukenti
Jurnal Biologi Tropis Vol. 23 No. 2 (2023): April-June
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.v23i2.4749

Abstract

Cilokaq is a traditional musical art of Sasak Tribe, which features several verses of songs with instruments such as gongs, drums, flutes, and gambus. The making of Cilokaq musical instrument uses plants that are obtained from nature, and this plant utilization should be well documented in order to assure the preservation of cultural heritage and also the plant resources contained in it. The purpose of this research is to identify the species of plants used in t Cilokaq musical instruments and to explore aspects of plant utilization and other ethnobotanical aspects of Cilokaq on Lombok Island. This research used qualitative and quantitative data collected through observations, interviews, documentation, and literatures study. Index of Cultural Significance (ICS) value was used to predict the importance value of each species involved in Cilokaq instruments. Informants were determined using snowball sampling technique. As a result, there were eight plants species categorized in 5 families used in making Cilokaq instruments, while there were 6 species belongs to 5 families used as offerings (andang-andang). Rotan (Calamus sp.) had the highest value of ICS (80), while Areca catechu, Gossypium herbaceum, Oryza sativa, Capsicum annuum, and Piper betle had the lowest value (8). Plants such as Ficus fistulosa, Calamus sp., and Schizotachyum blumei are species that begin to be difficult to find so that conservation action are needed in order to preserve the Cilokaq traditional art and plants species involved in it.
Abundance, Sex Proportion, and Longitudinal Distribution of Parathelpusa spp in the Banjaran River, Banyumas Indonesia Anastasia Endang Pulungsari; Anandita Ekasanti; Dian Bhagawati; Elly Tuti Winarni
Jurnal Biologi Tropis Vol. 23 No. 2 (2023): April-June
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.v23i2.4814

Abstract

Information on the existence of Parathelpusa spp crabs in the Banjaran River, Banyumas Regency is still very limited, so research is needed on this matter. The aim of this study was to identify and describe species richness, sex proportion, distribution, and abundance. Sampling was taken by Cluster Random Sampling, from 5 selected stations, repeated 7 times, an interval of 2 weeks, in the period August-November 2021. Samples were taken using a hand net, fresh and brought to the laboratory for identification. The physicochemical conditions measured were air temperature, water temperature, pH, dissolved oxygen and current velocity. The richness and abundance of Parathelpusa spp species obtained was calculated based on the number of species and individuals obtained, while their presence at each station became the basis for calculating the longitudinal distribution. Correlation between physico-chemical factors of the river with species richness and abundance was analyzed using Principal Component Analysis (PCA). During the study, 158 crabs were obtained consisting of Parathelpusa convexa and P. bogorensis. Both species were found at all sampling sites and P. convexa dominated the catch. Overall and in several locations, the number of male crabs caught was higher. The existence of each species in the Banjaran River is influenced by different physicochemical factors. P. convexa is affected by bottom substrate, air temperature, and current speed, while P. Bogorensi is affected by water depth, bottom substrate, and DO. These results can be used as a reference in selecting habitats to find P. convexa and P. bogorensis in river waters.  
Response of Use of NPK Fertilizer and Concentration of Young Coconut Water on Growth and Yield of Long Bean (Vigna sinensis L.) Robert A. Sole; Henny A. Raga; Uly J. Riwukaho; Abdonia W. Finmeta; Astrid Aryani Ndun; Joritha Naisanu; Darmanto F. Kisse
Jurnal Biologi Tropis Vol. 23 No. 2 (2023): April-June
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.v23i2.4740

Abstract

Long bean (Vigna sinensis L.) is a vegetable commodity containing 2.70 mg protein, 2.30 mg fat, 44 cal calories, 7.80 mg carbohydrates, 347 mg phosphorus, 47 mg calcium, 335 SI vitamin A, 0.39 mg B vitamins. , 21 mg of vitamin C and 88.50 mg of water. Production of Vigna sinensis L in NTT in 2019-2021 continues to increase but the phenomenon of rising long bean prices indicates that long bean production needs to be increased. One of the efforts made is to increase the availability of soil nutrients through fertilization. The aim of the study was to determine the interaction effect of NPK dosage and young coconut water concentration on the yield of long bean plants. The research was conducted in June-July 2022 using the Randomized Block Design (RBD) experimental method with 2 factors and 3 treatment levels, namely: Factor I = NPK Fertilizer (A) and Factor II = Concentration of young coconut water (K). The results obtained: The treatment of NPK fertilizer and young coconut water had a very significant effect on the growth components of long bean plants as indicated by differences in plant height, number of leaves, number of pods and pod weight. The interaction between the application of NPK fertilizer (NPK 250 kg/ha) and the concentration of young coconut water (90% /1L) gave the best results giving the best results on the average plant height, number of leaves, number of pods and pod weight of long bean plants.
Propagation of Gaharu Plant Gyrinops Versteegii Species Provenant Beringin Throught in Vitro Culture Aida Muspiah; Tri Mulyaningsih; Eka Sunarwidhi Prasedya
Jurnal Biologi Tropis Vol. 23 No. 2 (2023): April-June
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.v23i2.4796

Abstract

Grynops verstegii is a non-timber forest product commodity that has a very high economic value. People know this tree as the agarwood tree. In Lombok, the Beringin provenance is one of the leading provenances, so it is very important to conserve its germplasm. This study aims to find alternatives for gaharu development through seed production using in vitro culture techniques. This research was carried out in July 2021 at the Tissue Culture Unit of the Immunobiology Laboratory, University of Mataram. In this experiment there were 8 media treatments with different concentrations of BAP (Ssitokini) and NAA (auxin). The results showed that callus growth occurred on MS 1, MS 3, MS 4, MS 6, and MS 7 media. However, the best growth was obtained in MS 1 treatment with a combination of 1.0 ppm BAP and 0.5 ppm NAA. While most of the samples experienced browning and contamination.

Page 63 of 257 | Total Record : 2562

 61   62   63   64   65 

Filter by Year

2013 2026


Reset
Filter By Issues
All Issue Vol. 26 No. 1 (2026): Januari-Maret Vol. 25 No. 4a (2025): Special Issue Vol. 25 No. 4 (2025): Oktober-Desember Vol. 25 No. 4b (2025): Special Issue Vol. 25 No. 3 (2025): Juli-September Vol. 25 No. 2 (2025): April-Juni Vol. 25 No. 1 (2025): Januari - Maret Vol. 24 No. 4 (2024): Oktober - Desember Vol. 24 No. 3 (2024): July - September Vol. 24 No. 2b (2024): Special Issue Vol. 24 No. 2 (2024): April - Juni Vol. 24 No. 1 (2024): Januari - Maret Vol. 24 No. 1b (2024): Special Issue Vol. 23 No. 4 (2023): October - December Vol. 23 No. 3 (2023): July - September Vol. 23 No. 2 (2023): Special Issue Vol. 23 No. 2 (2023): April-June Vol. 23 No. 1 (2023): Special Issue Vol. 23 No. 1 (2023): January - March Vol. 22 No. 4 (2022): October - December Vol. 22 No. 3 (2022): July - September Vol. 22 No. 2 (2022): April - June Vol. 22 No. 1 (2022): January - March Vol. 21 No. 3 (2021): September - Desember Vol. 21 No. 2 (2021): Mei - Agustus Vol. 21 No. 1 (2021): Januari - April Vol. 20 No. 3 (2020): September - Desember Vol. 20 No. 2 (2020): Mei - Agustus Vol. 20 No. 1 (2020): Januari - April Vol. 19 No. 2 (2019): Juli - Desember Vol. 19 No. 1 (2019): Januari - Juni Vol. 18 No. 2 (2018): Juli - Desember Vol. 18 No. 1 (2018): Januari - Juni Jurnal Biologi Tropis vol.17 No.2 Desember 2017 Jurnal Biologi Tropis vol.17 No.1 Juni 2017 Jurnal Biologi Tropis. Vol.16 No.2 Desember 2016 Jurnal Biologi Tropis. Vol.16 No. 1 Juni 2016 Jurnal Biologi Tropis. Vol.15 no.2 Desember 2015 Jurnal Biologi Tropis. Vol.15 No. 1 Juni 2015 Jurnal Biologi Tropis. Vol.14 No. 2 Desember 2014 Jurnal Biologi Tropis. Vol.14 No. 1 Juni 2014 Jurnal Biologi Tropis. Vol.13 No. 2 Desember 2013 Jurnal Biologi Tropis. Vol.13 No.1 Juni 2013 More Issue