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INDONESIA
Journal La Lifesci
Published by Newinera Publisher
ISSN : 27211304     EISSN : 27211207     DOI : https://doi.org/10.37899/journallalifesci
Core Subject : Science, Agriculture, Social,
Agriculture, Biological Sciences & Forestry Chemistry Earth & Planetary Sciences Environmental Science Immunology & microbiology
International Journal La Lifesci is peer reviewed, open access Academic and Research Journal which publishes Original Research Articles and Review Article editorial comments etc in all fields of life sciences including Agricultural, Fisheries, Earth, Environmental Science, Botany, Zoology, Microbiology, Ecology, Ethnobiology, Biodiversity And Conservation Biology, Genetics, Biochemistry , Bioinformatics, Biophysics, Biostatistics, Cytobiology Developmental Biology, Entomology, Immunology , Molecular Biology, Virology, agronomy, plant and animal breeding, agricultural economics and rural sociology, Veterinary science, Ornithology, Primatology, Biogeography, Histology, Marine biology, Biochemical Sciences Aquaculture, Fishery Hydrography, Fishery Engineering, Aquatic ecosystem, Fish farming, Fisheries management, Fishery Biology, Wild fisheries, Ocean fisheries, and all fields related to life sciences.
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Ilmu Pertanian dan Biologi (Lain-Lain)
Articles 183 Documents
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Study on the Impact of Water Quality from the Mebidang SPAM on Customer Satisfaction Surbakti, Paschalia Retnoningtyas; Anas, M. Ridwan; Hasibuan, Gina Cynthia Raphita; Mardianta, Anthoni Veery; Nursyamsi, Nursyamsi
Journal La Lifesci Vol. 6 No. 6 (2025): Journal La Lifesci
Publisher : Newinera Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37899/journallalifesci.v6i6.2775

Abstract

In 2021, the service coverage of PDAM Tirtanadi’s water supply system reached 73.3%. To further improve the service capacity, a new raw water source was developed through the construction of the Mebidang Regional Water Supply System (SPAM), which draws water from the Bingei River in Binjai City. The PDAM Tirtanadi branches directly affected by this change in raw water source include the Sei Agul and Diski branches. This study aims to evaluate customer satisfaction levels with the water product quality and service performance of the Mebidang SPAM at PDAM Tirtanadi. The methods employed include the Customer Satisfaction Index (CSI) and Importance and Performance Analysis (IPA). Data were collected through questionnaires distributed to both existing customers and new service connections at the Diski and Sei Agul branches of PDAM Tirtanadi. The results showed that customer satisfaction levels were as follows: long-term customers at the Diski branch scored 83.56%, new connections at Diski 83.57%, long-term customers at Sei Agul 82.78%, and new connections at Sei Agul 92.26%. These results indicate that both long-term and new customers at the Diski and Sei Agul branches are generally satisfied with the overall service quality. Based on the IPA results, the main priority for improvement at the Diski branch concerns the imbalance between the cost paid by customers and the volume of water received. Meanwhile, for the Sei Agul branch, variables categorized as low performance and low importance but still of lower priority include PDAM’s responsiveness to customer requests, such as for new connections or meter repairs.
Impact Analysis of Infrastructure Changes from Signalized Intersection to Underpass on Vehicle Exhaust Emissions Tarigan, Rallya Napinia; Anas, M. Ridwan; Mulia, Ahmad Perwira; Hasibuan, Gina Cynthia Raphita; Tarigan, Johannes
Journal La Lifesci Vol. 6 No. 6 (2025): Journal La Lifesci
Publisher : Newinera Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37899/journallalifesci.v6i6.2829

Abstract

The Medan City Government plans to make infrastructure changes by building underpass at the existing signalized intersection between Road Ir. H. Juanda and Road Brigjend. Katamso to reduce traffic congestion. In recent years, vehicle emissions have become a global concern due to their significant impact on public health and environmental quality. As road traffic and vehicle numbers continue to grow, transportation has become a key contributor to air pollution from vehicle exhaust emissions. Consequently, it is essential to assess whether the infrastructure changes from signalized intersection to underpass have an impact on vehicle exhaust emissions. The impact analysis of infrastructure changes on vehicle exhaust emissions is evaluated through traffic simulation using PTV Vissim software with two scenarios, namely the do nothing scenario (existing signalized intersection) and the do something scenario (underpass) ), focusing on CO, NOx, and VOC emissions. The comparative results indicate substantial changes: CO emissions declined by 42.5% (from 40,991 grams to 23,567 grams), VOC by 37.1% (from 9,500 grams to 5,975 grams), while NOx emissions increased by 23.3% (from 7,075 grams to 8,725 grams). These findings suggest that the infrastructure changes from signalized intersection to underpass can positively influence air quality by reducing specific pollutants. However, further studies are necessary to examine its broader impact on other types of vehicle exhaust emissions using diverse emission categories, multiple calculation approaches, and various analytical methods for comprehensive comparison.
The Relationship Between NH3 And NO2 Content and Bacterial Abundance Vibrio on Media Cultivation Shrimp Vaname (Litopenaeus vannamei) Hardianto, Toto; Perdana, Aulia Magfirah Ilham; Yunarty, Yunarty; Saridu, Siti Aisyah; Triadi, Feby
Journal La Lifesci Vol. 6 No. 6 (2025): Journal La Lifesci
Publisher : Newinera Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37899/journallalifesci.v6i6.2848

Abstract

Indonesia, as an archipelagic country, holds great potential in marine and fisheries resources. Whiteleg shrimp (Litopenaeus vannamei) is one of the most economically valuable aquaculture commodities, with production reaching 5,812.2 thousand tons in 2020, an increase of 52.8% compared to 2015. However, disease outbreaks remain a major challenge in shrimp farming. One common disease is vibriosis, caused by Vibrio sp., an opportunistic, highly virulent, Gram-negative and facultative anaerobic bacterium. Therefore, early detection of Vibrio abundance is essential for prevention and control efforts. This Final Internship Project (KPA), titled “Abundance of Vibrio Bacteria in Whiteleg Shrimp Culture Media,” aimed to determine the abundance of Vibrio sp. in shrimp ponds and analyze the influence of water quality parameters (NH₃, NO₂, and plankton). The internship was conducted from February 6 to April 17, 2025, at PT Parigi Aquakultura Prima, Central Sulawesi. Activities included water sampling, NH₃ and NO₂ testing, plankton density measurement, sterilization, TCBS media preparation, bacterial inoculation, and enumeration. Observations were carried out in six pond plots with weekly sampling from Day of Culture (DOC) 9 to 79. The regression model obtained was Y = 164.808 + 153.951X₁ + 2092.103X₂ + 0.000X₃, indicating that increasing NH₃ and NO₂ levels positively contribute to Vibrio abundance, each raising bacterial numbers by 153,951 and 2,092,103 units per one-unit increase, respectively. Plankton showed no significant effect. Thus, NH₃, NO₂, and plankton have partial influence on Vibrio abundance, although plankton contributes minimally.
Growth Response and Yield of Several Industrial Potato (Solanum tuberosum L.) Varieties in Highland and Medium-Altitude Environments Setiyono, Budi; Suliansyah, Irfan; Zainal, Aprizal
Journal La Lifesci Vol. 6 No. 6 (2025): Journal La Lifesci
Publisher : Newinera Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37899/journallalifesci.v6i6.2901

Abstract

The potato processing industry in Indonesia continues to face high market demand, while domestic production remains insufficient (reaching only 1.22 million tons in 2023), resulting in dependence on imported raw materials. The expansion of industrial potato cultivation in medium-altitude regions offers considerable potential due to land availability; however, it is constrained by high-temperature stress, requiring varieties that are both tolerant and high yielding. This study aimed to evaluate the growth response and yield performance of three industrial potato varieties Ventury Agrihorti (local), Atlantik (introduced), and Bliss/Chitra (introduced) under two contrasting altitude conditions: medium altitude (600 masl) and high altitude (1500 masl). The experiment employed a Split Plot Design, with observations covering growth parameters, yield components, and tuber quality indicators, including tuber specific gravity (SG). The results revealed a significant interaction between altitude and variety on several parameters, such as plant height, specific leaf weight, number of tubers, and tuber weight per plant. At medium altitude (600 masl), the Atlantik variety demonstrated the best performance, achieving a productivity of 40.39 t/ha with the highest tuber weight. However, Atlantik produced a high proportion of oversize tubers (41.97%), which does not meet industry grading standards. Conversely, at high altitude (1500 masl), Bliss/Chitra showed superior yield performance with a productivity of 42.96 t/ha, followed by Ventury at 38.46 t/ha. Ventury and Bliss/Chitra also excelled in tuber size distribution, producing the majority of tubers (approximately 94–95%) within the Normal category (Ø 4.5–9 cm), which aligns with industrial processing requirements in both altitude conditions. The specific gravity (SG) values of all three varieties ranged from 1.08 to 1.09, indicating compliance with the minimum quality threshold for potato processing industries (>1.08).
Implementation of Circular Economy in Agribusiness SMEs and Its Impact on Business Sustainability: A Case Study Ariyanti, Riska; Nurhayati, Popong; Taryana, Asep
Journal La Lifesci Vol. 6 No. 6 (2025): Journal La Lifesci
Publisher : Newinera Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37899/journallalifesci.v6i6.2846

Abstract

The circular economy has emerged as an important approach to enhancing agribusiness sustainability by shifting production systems from linear models toward regenerative processes that preserve resource value. This study identifies and evaluates the implementation of an integrated livestock farming system in agribusiness micro, small, and medium enterprises through a case study of CV Mitra Tani Farm, an integrated livestock-based enterprise in Indonesia. Circular agribusiness practices were identified using the 9R principles, and the analysis employed the Triple Bottom Line framework to assess sustainability performance across economic, environmental, and social dimensions. The identification results indicate that the integrated farming system implemented at MT Farm operationally reflects the core principles of the circular economy. The evaluation further shows that circular practices such as waste-to-resource conversion, integrated farming systems, and product diversification effectively reduce operational waste, improve resource efficiency, and maintain ecological balance. Socially, these practices promote employment creation, partner capacity building, and the strengthening of rural collaboration. From an economic perspective, circular practices enhance business resilience; however, the economic potential of waste-based activities has not yet been fully optimized, indicating the need for further development to enable the circular economy to play a more effective role in supporting the transformation toward sustainable agribusiness.
Evaluation of Reclamation Activities on Post-Mining Land Gunawan, Gunawan; Chaerul, Muhammad; Desi, Natsar; Erniati, Erniati; Harun, A. Yusuf; Dirman, Eris Nur
Journal La Lifesci Vol. 7 No. 1 (2026): Journal La Lifesci
Publisher : Newinera Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37899/journallalifesci.v7i1.2923

Abstract

This study aims to evaluate reclamation activities on the post-mining land of PT Bumi Sentosa Jaya in Boedingi Village, Lasolo District, North Konawe Regency, Southeast Sulawesi Province. Mining activities carried out in the area have caused environmental degradation, particularly in soil quality and vegetation. Therefore, reclamation activities, including revegetation, need to be carried out to restore the ecological function of the land. This study uses the Normalized Difference Vegetation Index (NDVI) analysis method to evaluate the success rate of revegetation as an indicator of vegetation health and density. In addition, an analysis was conducted on the reclamation plan and the estimated costs required. The data used in this study consisted of Sentinel-2 satellite images and drone photos to obtain an accurate picture of topographical changes and vegetation growth. The results showed that the reclamation activities carried out by PT Bumi Sentosa Jaya succeeded in increasing vegetation density in the reclaimed area. The area of land that has been reclaimed reached 11.90 ha in the period from 2023 to 2024, with the success of revegetation measurable through an increase in NDVI values. The reclamation plan, which includes land preparation, planting of cover crops and pioneer plants, and plant maintenance, has been implemented in accordance with established standards. This study is expected to contribute to the development of reclamation and revegetation techniques in mining areas, as well as provide recommendations for companies and policy makers to improve the success of future reclamation activities.
Growth Response of Solanum melongena L. with Fly Ash-Bottom Ash Combination Planting Media and Compost Fertiliser Ilfairah, Jihan; Hanum, Laila; Sarno, Sarno
Journal La Lifesci Vol. 7 No. 1 (2026): Journal La Lifesci
Publisher : Newinera Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37899/journallalifesci.v7i1.2952

Abstract

The increase in coal combustion waste such as fly ash and bottom ash (FABA) has encouraged its use as a soil conditioner to support sustainable agriculture. This study aims to determine the vegetative growth response of Solanum melongena L. to a combination of FABA and compost as a planting medium. The study was conducted from June to October [2025] at the Experimental Garden using a completely randomised design (CRD) consisting of six treatments and four replicates, namely T0 = soil (control), T1 = soil 100% compost, T2 = soil compost 75% + FABA 25%, T3 = soil compost 50% + FABA 50%, T4 = soil compost 25% + FABA 75%, and P5 = soil FABA 100%. The parameters observed included plant height, stem diameter, and number of leaves at 6-10 weeks after planting. The data were analyzed using ANOVA and followed by Duncan's test and BNT at a 5% level. The results showed that the combination of growing media had a significant effect on all vegetative growth parameters. The best treatments were T1 (100% compost) and T2 (75% compost-25% FABA) with plant heights of 15.9 cm and 11 cm, respectively, stem diameters of 5.8 mm, and 12.3 and 10.5 leaves, respectively. These findings demonstrate a practical, environmentally friendly method to improve crop growth and manage waste sustainably
Comparative Analysis of Inter-Island Carbon Emissions Misdawita, Misdawita; Widayatsari, Any; Kurniasih, Cut Endang
Journal La Lifesci Vol. 7 No. 1 (2026): Journal La Lifesci
Publisher : Newinera Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37899/journallalifesci.v7i1.3011

Abstract

Carbon emissions are a major driver of global climate change, and Indonesia, as the world's fourth-largest archipelagic nation, faces significant challenges in managing its carbon footprint. The National Action Plan for Greenhouse Gas Emission Reduction allocates emission reduction targets to key sectors such as forestry and peatlands, agriculture, energy and transportation, industry, and waste management. Therefore, a thorough understanding of the comparison of carbon emissions across Indonesia's islands is crucial for designing more targeted and effective mitigation strategies to achieve national and global sustainability goals. This study analyzes the comparison of carbon emissions across six major Indonesian islands/regions: Java, Sumatra, Kalimantan, Sulawesi, Bali, Nusa Tenggara, and Maluku-Papua. The analysis was conducted on 43 economic sectors that contribute to direct CO₂ emissions. The primary objectives of this study were to identify differences in carbon emissions between islands and determine whether these differences are statistically significant, as well as to identify the unique characteristics of each island in its contribution to national emissions. The analysis revealed statistically significant differences in carbon emissions across islands in Indonesia. The analysis revealed extreme regional disparities in emission contributions. Java dominates, contributing 63.70% of total national emissions. Sumatra ranks second with 21.48%, while other islands contribute much less. The oil and gas mining sector contributes nearly a third of total national emissions, followed by the cement industry and electricity generation. This research makes an important contribution to understanding Indonesia's carbon emissions profile from a regional and sectoral perspective.
Managing Carbon Emission in X Supermarket at one of Mining Company in Papua: A Case Study for Better Solution Nugroho, Andreas Teddy Ananto; Handayani, Yulia Dwi; Choirul, Muhammad; Rochman, Nur; Susilowati, Indah
Journal La Lifesci Vol. 7 No. 1 (2026): Journal La Lifesci
Publisher : Newinera Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37899/journallalifesci.v7i1.3012

Abstract

The economic calculation of carbon emissions from a human activity is very helpful to analyze the emissions produced from waste generation and electrical energy consumption. The waste produced in activities at supermarket X has been sorted and separated from organic and non-organic waste. The electrical energy consumed by supermarket X is also large, but in the financing it is all paid by PT Y as the supermarket's shelter. The awareness of consumers and employees of the supermarket is also high regarding cleanliness and waste disposal.
The Impact of Nickel Mining Activities on Watershed Hydrology and Coastal Sedimentation Efrianto, Efrianto; Chaerul, Muhammad; Marzuki, Ismail; Desi, Natsar; Mahmud, Mahmud; Dirman, Eris Nur
Journal La Lifesci Vol. 7 No. 1 (2026): Journal La Lifesci
Publisher : Newinera Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37899/journallalifesci.v7i1.3059

Abstract

growing rapidly and have the potential to put pressure on the hydrological system of the Watershed (DAS) and the dynamics of sedimentation in coastal areas. The applied open-pit mining system causes extensive land clearing and reduced vegetation cover, which can increase surface runoff and soil erosion. This study aims to analyze the spatial relationship between nickel mining land clearing, watershed hydrological response, and coastal sedimentation levels during the period 2016–2025. The data used are multi- temporal Sentinel-2 Level-2A satellite images analyzed using the Normalized Difference Vegetation Index (NDVI) to identify the condition of mining land clearing and the Normalized Difference Turbidity Index (NDTI) to represent the level of sedimentation and turbidity of coastal waters. Spatial analysis was carried out based on watershed units to examine the upstream–downstream relationship between the intensity of mining land clearing and sedimentation responses in the estuarine zone. The results show that watersheds with a dominant low NDVI value tend to experience increased surface runoff and potential soil erosion, which in turn contributes to increased coastal sedimentation as indicated by relatively high NDTI values. These findings confirm a strong link between land cover changes due to nickel mining activities, watershed hydrological responses, and coastal sedimentation intensity. This research emphasizes the importance of a watershed-based approach in nickel mining environmental management and sedimentation impact mitigation efforts to maintain the sustainability of coastal ecosystems.

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