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Advances in Tropical Biodiversity and Environmental Sciences
Published by Universitas Udayana
ISSN : 25496980     EISSN : 26220628     DOI : https://doi.org/10.24843/ATBES.2023.v07.i02.p01
Core Subject : Health, Science, Education, Agriculture, Social, Engineering,
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Earth & Planetary Sciences Environmental Science Immunology & microbiology Medicine & Pharmacology Veterinary Other
The scope of the journal covers scientific and technological aspects from all fields that have general relevance to tropical biodiversity and environmental sciences, including investigations on tropical biodiversity, systematics and taxonomy, terrestrial and aquatic ecology, wildlife management and control, ethnobotany and ethnozoology, tropical plant and animal cultivation, general veterinary, natural product chemistry, ecotourism, environmental remediation and management, and geographic information systems (GIS), remote sensing, and other modeling applications for environmental studies.
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Ilmu Pertanian dan Biologi (Lain-Lain)
Articles 73 Documents
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Study of Reproductive Aspects of Fish Cyprinidae Family and Poeciliidae Family in Lake Batur Waters Area, Bali Winni Anugrah Hani; Nyoman Dati Pertami; I Wayan Darya Kartika
Advances in Tropical Biodiversity and Environmental Sciences Vol. 9 No. 3 (2025): October 2025
Publisher : Institute for Research and Community Services Udayana University (LP2M Universitas Udayana)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/ATBES.2025.v09.i03.p10

Abstract

This study aims to determine the reproductive characteristics of the Cyprinidae and Poeciliidae families in Lake Batur, including gonad maturity stage, gonadosomatic index, and sex ratio. Sampling was carried out from November to December 2021. This study uses descriptive and quantitative methods, with purposive sampling at three station points. The fishing gear used is a gill net with sizes of 0.5, 1.0, 1.5, 2.0, 2.5, and 3.0 inches. Determination of the gonad maturity stage of the gonads is determined morphologically, which includes observations on the color, shape, and size of the gonads. The gonad maturity stage III and IV was analyzed with the gonadosomatic index and sex ratio. The fish samples total 147 individuals: 54 from the Cyprinidae family and 93 from the Poeciliidae family. Cyprinidae family fish samples are Barbodes binotatus and Barbonimus gonionotus. Poeciliidae family fish samples are Xiphophorus hellerii and Poecilia reticulata. gonad maturity stage of the cyprinidae family in Barbodes binotatus obtained I -IV and Barbonimus gonionotus fish obtained all stages I-V, while the poeciliidae family Xiphoporus hellerii at all stages IV and Poecilia reticulata only found I-IV, the average of gonadosomatic index of female cyprinidae and poeciliidae is higher than males, and spawning time occurs in November and December (rainy season). The sex ratio of the Cyprinidae family in Barbodes binotatus is unbalanced, while in the Poeciliidae family, the sex ratio of Xiphophorus hellerii is balanced.
The Effect of Addition of Vitamin E and Vitamin K on Growth and Survival of Giant Prawn (Macrobrachium rosenbergii) Larvae Ni Nyoman Krisna Sanidhi Putri; Pande Gde Sasmita Julyantoro; Ni Luh Gede Rai Ayu Saraswati
Advances in Tropical Biodiversity and Environmental Sciences Vol. 8 No. 3 (2024): October 2024: Pages 119-170
Publisher : Institute for Research and Community Services Udayana University (LP2M Universitas Udayana)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/ATBES.2024.v08.i03.p09

Abstract

Giant prawn (Macrobrachium rosenbergii) is a potential fishery commodity. Recently, the commercial aquaculture of giant prawn has developed quite rapidly, especially in the rearing sector, due to its high economic value and accessible cultivation technology application. Low survival and growth are the causes of delays in the cultivation of giant prawns. The quality of the food for giant prawns is important to support the survival of the prawns during aquaculture activities. This study looks at how adding vitamins E and K to artificial food affects the growth and survival of giant prawn larvae from the Galah Prawn Seed Center (BBUG) in Klungkung, Bali. The results show that vitamin E had the highest influence on the growth and survival of giant prawn larvae, with 35.55% survival and a 4.727 growth index. Meanwhile, vitamin K in the prawn feed has no effect due to poor water quality and high mortality. The range of measured water quality was temperature (26-31°C), pH (7.5-7.8), and salinity (5-20 ppt). In general, this study shows that vitamin E had a positive effect on the growth and survival of giant prawn larvae.
Status of Land Carrying Capacity for Agricultural and Environmental Sustainability in the Nusa Penida Tourism Area Nyoman Sudipa
Advances in Tropical Biodiversity and Environmental Sciences Vol. 8 No. 2 (2024): June 2024: Pages 58-118
Publisher : Institute for Research and Community Services Udayana University (LP2M Universitas Udayana)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/ATBES.2024.v08.i02.p07

Abstract

Land resources are very important in supporting tourism activities. As a developing tourism area, Nusa Penida requires sufficient land resources. The increasing population and tourists have triggered new activities affecting land use patterns, negatively impacting land availability and agricultural sustainability. This study aims to calculate the availability, needs, and status of land-carrying capacity to support the sustainability of agriculture in the Nusa Penida Tourism Area until 2028. The research method uses a quantitative approach by collecting primary data obtained directly in the field, secondary data originating from previous research, and data originating from official sources. The result of the calculation of land requirements based on the ecological footprint is the number of inhabitants multiplied by the ecological footprint (gha/capita); the land requirement for 2020 is 49,849 people multiplied by 0.36958702, which is 17,724.283 hectares, while the availability of land in Nusa Penida is 9,894 hectares. This shows that the carrying capacity of land in Nusa Penida has exceeded the threshold or a deficit of 7,830.283 hectares. The area of land in Nusa Penida reaches 20,284 hectares. In contrast, the availability of land in Nusa Penida is based on calculations using the actual production of each type of commodity and the price of rice at the producer level, the unit price of each commodity at the producer level, and the productivity of rice in Nusa Penida is only 9,894 hectares. The projection of land needs until 2028 is 24,640 hectares, so the land carrying capacity in Nusa Penida is a deficit. The results of the calculation of land requirements based on the ecological footprint are 14,746.283 hectares, while the availability of land in Nusa Penida is 9,894 hectares. This shows that the land carrying capacity in Nusa Penida has a deficit of 12,374.283 hectares.
Identification and Utilization of Medicinal Plants in West Wangurer Village, Madidir District, Bitung City, North Sulawesi Enjel Larega; Meity Neltje Tanor; Helen Joan Lawalata; Orbanus Naharia; Danny Christian Posumah
Advances in Tropical Biodiversity and Environmental Sciences Vol. 8 No. 2 (2024): June 2024: Pages 58-118
Publisher : Institute for Research and Community Services Udayana University (LP2M Universitas Udayana)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/ATBES.2024.v08.i02.p02

Abstract

In Indonesia, around 9,600 plant species contain compounds or active ingredients with medicinal properties that people can use for traditional medicine because they are natural compared to modern medicine. Medicinal plants are found in many habitats, however, due to developments in the times, people are increasingly using modern medicine, so it is feared that the introduction of medicinal plants will become extinct. This research aims to identify medicinal plants in West Wangurer Village, Bitung City, and how to use them. The research was conducted in March-April 2023 using an exploratory descriptive method with a qualitative approach. Medicinal plant sampling used a purposive sampling method and data on the use of medicinal plants was obtained from interviews with the community. The research results obtained 30 species of medicinal plants used by the community as medicinal ingredients in West Wangurer Village, Madidir District, Bitung City, North Sulawesi. This medicinal plant is used for various diseases such as fever, hypertension, diabetes, diarrhea, digestive disorders, and others.
The Influence of Sanitation and Hygiene Systems on The Existence of Escherichia Coli Bacteria in Products of Pindang Fish at Kusamba Centers, Klungkung, Bali Ni Wayan Sulastri; Ni Putu Pandawani; Ketut Widnyana; I Made Wahyu Wijaya
Advances in Tropical Biodiversity and Environmental Sciences Vol. 7 No. 3 (2023): October 2023: Pages 87-124
Publisher : Institute for Research and Community Services Udayana University (LP2M Universitas Udayana)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/ATBES.2023.v07.i03.p03

Abstract

Hygiene and sanitation are essential factors in fish processing to ensure food availability and safety. Escherichia coli causes foodborne illness, originating from pindang fish from the Kusamba breeding center, Klungkung Regency, Bali. Availability and security of food cover cleanliness are essential to hygiene and sanitation, where Escherichia coli indicates food contamination. This study aims to determine the bacteriological quality of boiled pindang products and the effect of sanitation and hygiene on the presence of E. coli in pindang products conducted at the Fish Preservation Center in Kusamba Village, Klungkung, Bali in November-December 2022. The study used a quantitative method with a cross-sectional approach and analysis. The laboratory uses the MPN (Most Probable Number). I was preparing a handling strategy with a SWOT analysis. The results showed that environmental sanitation and personal hygiene had a significant effect. MPN test results obtained a positive percentage of 93.1% and a negative of 6.9%. Of the 44 hospital wards, the results could have been better in environmental sanitation at 11.3 %, equipment sanitation at 6.8%, and personal hygiene at 8.1%. The implementation strategy to minimize the presence of E.coli bacteria is maintaining the unity of the quality system by carrying out sanitation and hygiene, starting from raw materials, processes, and products.
Suitability of Mangrove Forests for Sustainable Tourism Kevin Ewaldo; Mahawan Kurniasa; Noverita Dian Takarina
Advances in Tropical Biodiversity and Environmental Sciences Vol. 7 No. 3 (2023): October 2023: Pages 87-124
Publisher : Institute for Research and Community Services Udayana University (LP2M Universitas Udayana)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/ATBES.2023.v07.i03.p02

Abstract

The Pantai Indah Kapuk (PIK) Mangrove Ecotourism is in DKI Jakarta Province. It can develop into sustainable tourism because it has good natural conditions and an easy-to-reach location. This research aims to determine the suitability index of mangrove forest tourism for sustainable tourism development. This research was conducted from February to March 2023. The method used in this research is a quantitative descriptive method. This study has two observation points to determine the thickness, density, type of vegetation, and biota objects. The results showed that this location has the potential to be used as a tourist attraction. It is supported by the value of the tourism suitability index for each research station of 68.7% at the first observation station and 62.5% at the second observation station. Rhizphora apiculata species dominate the composition of the mangrove vegetation in this location, with a density of 850 trees/ha. The thickness of the mangrove at this location is 60.4 m at the first station and 64.1 m at the second station. The biota objects found at the observation point were fish, mollusks, reptiles, and mammals. Overall, this research location is suitable for tourist attractions and can be developed to become more sustainable tourism. However, several efforts are needed to improve this suitability, such as mangrove forest rehabilitation and cooperation from various stakeholders.
Mineral Content Comparison of Sea Grapes (Caulerpa lentillifera) Cultivated in Controlled and Free Waters Putu Dhena Viyanti Widianita; Kadek Lila Antara; Gressty Sari Br Sitepu; Hamdanul Fain
Advances in Tropical Biodiversity and Environmental Sciences Vol. 7 No. 3 (2023): October 2023: Pages 87-124
Publisher : Institute for Research and Community Services Udayana University (LP2M Universitas Udayana)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/ATBES.2023.v07.i03.p06

Abstract

The availability of sea grapes is still very limited, so activities are needed to support the preservation of sea grapes that are rich in mineral content. This research aims to determine growth, water quality, and comparison of mineral content found in C. lentillifera. This type of research is descriptive qualitative. As a research model, namely the mineral content of C. lentillifera in cultivation sites and free waters. On the growth of C. lentillifera, calculate the number of ramuli and water quality, such as pH, temperature, and salinity, with a water quality checker. Data on the mineral content in C. lentillifera was obtained by atomic absorption spectrophotometry (AAS). Based on the results of absorption measurements from several solutions at the cultivation location, the results for Potassium (K) were 2,592.364 mg/kg, Calcium (Ca) with a yield of 896.033 mg/kg, Iron (Fe) with a total of 174.323 mg/kg and for Zinc ( Zn) of 468.804 mg/kg. In the waters of Serangan, based on the results of absorption measurements from several standard solutions, Potassium (K) obtained results of 2,169,732 mg/kg, Calcium (Ca) with results of 1,677,829 mg/kg, Iron (Fe) with results of 1,669.607 mg /kg and for zinc (Zn) with a yield of 44,090 mg/kg.
The Effect of Biofertilizer (Jakaba) Fertilizer on Vegetative Growth of Chili Plants (Capsicum annuum L.) Theresia Viviani Putri Ndese; Decky David Wewurid Kamagi; Helen Joan Lawalata; Yermia Samuel Mokosuli; Marthy Lingkan Stela Tauluh
Advances in Tropical Biodiversity and Environmental Sciences Vol. 8 No. 3 (2024): October 2024: Pages 119-170
Publisher : Institute for Research and Community Services Udayana University (LP2M Universitas Udayana)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/ATBES.2024.v08.i03.p01

Abstract

Abstract. Chili (Capsicum annuum L.) is a vegetable commodity with considerable economic value. Agricultural soil that hardens, has a high clay content, does not respond to fertilization, reacts sourly, and is poor in nutrient elements and organic matter, causing many agricultural lands to be less productive and even no longer productive. This research aims to determine whether there is an effect of providing Jakaba biofertilizer on the growth of chili plants. This research used a Completely Randomized Design (CRD) with a factorial pattern consisting of 2 factors and 5 replications. The first factor is the fertilizer dose (D), which includes D0 (without fertilizer), D5 (fertilizer dose 5 ml/plant), D10 (fertilizer dose 10 ml/plant), D15 (fertilizer dose 15 ml/plant), D20 (fertilizer dose 20 ml/plant), and D25 (fertilizer dose 25 ml/plant)-planting media (M), which consists of M1 (soil) and M2 (soil: Jakaba = 1: 1), is the second component. Plant height is measured in centimeters, while the number of leaves is calculated in strands. The results of the research obtained show that there was an influence that can be seen from the combination of doses of biofertilizer and planting media on the vegetative growth of chili plants, namely the observation of plant height in the 4th week of M2D25 treatment has a value The highest is 10.18 ± 0.19 compared to other treatments, so that based on the Kolmogorov test and followed by the Anova test, it has a significant degree of 0.05, which means Ho is accepted and Ha is rejected. Then, when observing the number of leaves, we looked at the 4th week where the M2D20 treatment had the highest average number of leaves, namely 8.6 ± 0.55 compared to other treatments. So, based on the Kolmogorov test followed by the Anova test, it has a significant degree of 0.05, saying that Ho is accepted and Ha is rejected.
Identification of Bacteria Associated in the Small Intestine of White-Tailed Forest Rat (Maxomys hellwandii) in South Minahasa Regency, North Sulawesi Megawati Meylin Weken; Revolson Alexius Mege; Helen Joan Lawalata; Yermia Semuel Mokosuli; Iriani Setyawati
Advances in Tropical Biodiversity and Environmental Sciences Vol. 8 No. 2 (2024): June 2024: Pages 58-118
Publisher : Institute for Research and Community Services Udayana University (LP2M Universitas Udayana)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/ATBES.2024.v08.i02.p01

Abstract

Sulawesi Island in the Wallaceae line area has diverse endemic animals, including the white-tailed forest rats. White-tailed forest rat (Maxomys hellwandii) is one of the endemic animals in North Sulawesi, so this study aimed to determine the type of bacterial genus in the small intestine of Maxomys hellwandii. This research used a laboratory-based qualitative descriptive method using a pour plate isolation method and bacterial identification based on morphological, and physiological characters with biochemical tests. The small intestines of Maxomys hellwandii taken from the South Minahasa forest area, North Sulawesi were used as samples of this research. The results of the study obtained 22 isolates of bacteria that were successfully isolated and have been identified based on morphological characteristics, and physiology with biochemical tests based on the book Bergey's Manual of Systematic Bacteriology suspected 14 isolates as genus Bacillus and 8 isolates as genus Lactobacillus.
The Effectiveness Of Citric Acid As An Anti-Ectoparasite Of Marine Leech (Zeylanicobdella arugamensis) Through Soaking Nike Mustika Sari; Gede Iwan Setiabudi; Indah Mastuti; Ketut Mahardika
Advances in Tropical Biodiversity and Environmental Sciences Vol. 7 No. 3 (2023): October 2023: Pages 87-124
Publisher : Institute for Research and Community Services Udayana University (LP2M Universitas Udayana)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/ATBES.2023.v07.i03.p04

Abstract

Zeylanicobdella arugamensis infection causes health problems for cultured grouper. This study aims to determine the effectiveness of citric acid soaking as an anti Z. arugamensis ectoparasite. A total of ±120 Z. arugamensis were isolated from sick hybrid grouper (Epinephelus fuscoguttatus x E. lanceolatus) placed in Petri dishes (6 Petri dishes). Citric acid solution with 0, 50, 100, 150, 250, and 400 ppm was added to the petri plates. Immersion of Z. arugamensis was carried out for 30, 60, 90 and 120 minutes. Each 30 Z. arugamensis/treatment/30 minutes was taken and placed in 3 petri dishes (10 individuals/petri dish) filled with seawater. Observations were made on the response of Z. arugamensis. Comments were made on cocoon development into larvae. The citric acid safety test was conducted on cantang hybrid grouper infected with Z. arugamensis. A total of 3 test fish were soaked with citric acid solution in seawater at concentrations of 0, 150, 250, and 300 ppm. Observations of fish condition were made after 30 and 60 minutes of immersion. The results showed that citric acid concentrations of 250 and 400 ppm effectively killed Z. arugamensis (76.67±15.28-100%), and their cocoon development reached (0%). A citric acid concentration of 300 ppm is still safe to use for immersion of cantang hybrid grouper infected with Z. arugamensis for 60 minutes. Citric acid concentrations of 250-300 ppm can also release Z. arugamensis from the fish body. Citric acid has antiparasitic properties and lowers the pH of seawater.

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