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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 170 Documents
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Growth and Yield of Shallot Plants with the Application of Sp-36 Fertilizer and Poc from Red Devil Fish Manullang, Yedija; Damanik, Revandy; Sembiring, Mariani
Journal La Lifesci Vol. 6 No. 5 (2025): Journal La Lifesci
Publisher : Newinera Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37899/journallalifesci.v6i5.2652

Abstract

Shallots (Allium ascalonicum L.) are one of the horticultural commodities with high economic value and are needed by the community as food. Shallots also contribute to national inflation. Shallots become potential commodity to be developed in the region of North Sumatra, especially in the Toba region. One of the efforts to increase the growth and production of shallot plants can be done by applying SP-36 Fertilizer and Red Devil Fish Liquid Organic Fertilizer. This research aims to determine the best SP-36 and Red Devil Fish Liquid Organic Fertilizer, growth and production of shallots. The research was conducted from September to December 2023 in Lumban Silintong Village, Balige District, Toba Regency, North Sumatra with an altitude of ± 945 m above sea level. The design used was a factorial Randomized Group Design with three replications. The treatments studied were the first factor of SP-36 dose with four levels of treatment (0 (control), 112.5 Kg/Ha, 225 Kg/Ha, 337.5 Kg/Ha and the second factor was the dose of liquid organic fertilizer of red devil fish (0 (control), 3 g/plot, 5 g/plot). The results showed that the provision of SP-36 had a significant effect on the observed variable, namely the fresh weight of plants per plot. Giving Red Devil Fish Liquid Organic Fertilizer can significantly increase plant height, plant fresh weight per plot, plant fresh weight per sample, number of tubers per plot and tuber diameter.
Effectiveness of Ecological Management to Support Reclamation on Tails Land at The Milepost 21 Reclamation and Biodiversity Research Center Based on Environmental Policy Yoom, Lilis Irjayanti; Chaerul, Muhammad; Desi, Natsar
Journal La Lifesci Vol. 6 No. 4 (2025): Journal La Lifesci
Publisher : Newinera Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37899/journallalifesci.v6i4.2624

Abstract

This study investigates the effectiveness of ecological management in supporting reclamation of tailings land at the Mile Post 21 Reclamation and Biodiversity Research Center, PT Freeport Indonesia. Using a qualitative descriptive approach, the research employs primary data obtained through interviews, documentation, and direct observation, complemented by secondary data from archives, reports, and company records. The analysis is guided by ISO 14001 environmental management principles, using a checklist method adapted from the Global Environmental Management Initiative (GEMI) to evaluate ecological, technical, socio-economic, and regulatory aspects of reclamation practices. Findings reveal that ecological management at Mile Post 21 has been highly effective, achieving more than 80% compliance with ISO 14001 indicators. Vegetation cover increased from less than 10% to over 75%, with more than 160 planted species complemented by natural succession involving over 500 species. Soil quality improved significantly, with organic carbon rising from <0.5% to 2.5%, pH levels increasing toward neutrality, and cation exchange capacity reaching medium–high levels. These changes facilitated the restoration of ecological functions and supported biodiversity recovery. Moreover, reclaimed land has been transformed into productive agricultural areas integrating crops, livestock, and aquaculture, providing socio-economic benefits for local communities and involving indigenous landowners in sustainable management. Despite technical challenges related to poor soil properties and managerial constraints such as long-term funding, the program demonstrates that ecological management, when implemented systematically under ISO 14001, can effectively restore degraded post-mining land into ecologically resilient and socially beneficial systems.
A GIS-Based Analysis of Coastal Abrasion Risk Potential Jamilah, Jamilah; Chaerul, Muhammad; Desi, Natsar; Erniati, Erniati; Harun, Muh. A. Yusuf; Dirman, Eris Nur
Journal La Lifesci Vol. 6 No. 4 (2025): Journal La Lifesci
Publisher : Newinera Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37899/journallalifesci.v6i4.2650

Abstract

Coastal abrasion poses a significant threat to Indonesia, an archipelagic nation with one of the world’s longest coastlines. The phenomenon is particularly severe in Napabalano District, Muna Regency, where dense settlements, economic activities, and declining mangrove ecosystems increase exposure to erosion hazards. This study aims to assess the risk of coastal abrasion in Napabalano District using a GIS-based approach aligned with the Indonesian National Disaster Management Authority (BNPB) framework. Primary data, including GPS coordinates, satellite imagery, and field surveys, were integrated with secondary data such as demographic statistics, oceanographic parameters, and historical records of abrasion events. Spatial analysis in ArcGIS was employed to evaluate vulnerability, capacity, hazard, and disaster risk indices. Results show that all villages in Napabalano District fall into the high-risk category, with Napabalano and Napalakura recording the highest risk values due to concentrated populations, limited mangrove protection, and inadequate disaster management capacity. Social and economic vulnerabilities, including high poverty ratios and dependence on coastal livelihoods, exacerbate exposure, while institutional capacity remains critically low, marked by weak early warning systems and limited community preparedness. Mitigation strategies proposed include mangrove rehabilitation, strict coastal zoning enforcement, community-based disaster preparedness programs, and the establishment of effective early warning systems. These findings highlight the urgent need for integrated, multi-stakeholder approaches to strengthen resilience against coastal abrasion. The study provides a strategic basis for local government and community planning in managing and reducing the impacts of coastal hazards in Napabalano District.
Analysis of Cs-137 Diffusion in Clay Soil and Kaolin from West Kalimantan with Groundwater Saturation Kurniawan, Muhammad Haidar; Kundari, Noor Anis; Ekaningrum, Nurul Efri
Journal La Lifesci Vol. 6 No. 4 (2025): Journal La Lifesci
Publisher : Newinera Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37899/journallalifesci.v6i4.2660

Abstract

Electricity demand in Indonesia is increasing along with economic and population growth. The plan to build a nuclear power plant (NPP) in Kalimantan needs to be accompanied by support facilities such as disposal. Research on disposal facilities in West Kalimantan is crucial because of its proximity to the planned NPP, and using local materials like kaolin and clay will be more economical. In this study, compacted clay and kaolin layers were used as part of the engineered barrier at the disposal site. The goal is to prevent the release of Cs-137 from the facility into the unsaturated zone. XRD, XRF, and ICP-OES were used to characterize the clay and kaolin studied. Analysis revealed many absorbent minerals suitable for the engineered barrier at the disposal site.To evaluate the diffusion coefficient (Da) of Cs-137 in compacted clay and kaolin samples, a vertical diffusion model was employed. The diffusion coefficient was measured in a diffusion column unit with varying times and densities. Fick's law equation was used to calculate the Da value for the samples. The results showed that the diffusion coefficient for kaolin ranged from 2.75 x 10-12 to 3.96 x 10-12 m²/s, and for clay from 1.62 x 10-12 to 2.92 x 10-12 m²/s. In clay and kaolin samples, density affected the diffusion rate; higher density resulted in a lower Da value. However, time did not impact the Da value. The diffusion coefficient in kaolin was twice as fast as in clay samples.In the safety assessment experiment with RESRAD Offsite, a 0.2 m kaolin layer was sufficient.
Environmental Sustainability of Nickel Waste Utilization in Porous Asphalt: Toward Green and Circular Road Infrastructure Fatmeriany, Fatmeriany; Desi, Natsar; Chaerul, Muhammad; Harun, A. Muh. Yusuf; Erniati, Erniati; Marzuki, Ismail; Gusty, Sri
Journal La Lifesci Vol. 6 No. 4 (2025): Journal La Lifesci
Publisher : Newinera Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37899/journallalifesci.v6i4.2661

Abstract

The rapid growth of road infrastructure in Indonesia has increased the demand of construction materials and at the same time, intensified environmental issues. The study explores the potential application of nickel waste- which is a byproduct readily available to Indonesia in the smelting of nickel- as a partial replacement to coarse aggregate in porous asphalt mixtures. The research not only assesses the technical performance but also the environmental impact of the nickel waste substitution which can be regarded as a contribution to the literature on sustainable management of the construction process and the circular economy. Key parameters such as stability, flow, void content and the Marshall Quotient were tested in the laboratory and were evaluated as per the Bina Marga and SNI requirements. The results refer to the fact that nickel waste may meet a number of technical requirements, reaching an ideal concentration of asphalt into 5.5 0-100 that, at the same time, can provide waste minimization and possible cost-saving benefits. However, due to the fact that nickel slag contains heavy metals, it requires the use of strong environmental risk management, such as leaching control and stabilization technologies. These findings indicate that the use of nickel waste is more than a technical innovation; it is a strategic direction of the ability to become resource-efficient, symbiotic in the industrial industry, and to govern the operation of infrastructure in a sustainable manner. Placing industrial waste in a new category as productive input, this research sheds some light on how policy can be changed, how to innovate in procurements, and how government, industry, and academia can collaborate. The study concludes that the addition of nickel waste to the porous asphalt mixtures could help improve the performance of roads, reduce environmental ecological impacts, and promote the green infrastructure agenda in Indonesia, assuming that there are regulatory protections and a systematic environmental check-up.
Desain of Multilevel Wall Trap For Selectivity of the Capture Spiny Lobster Abdullah, Agung Sobri; Suharyanto, Suharyanto; Soeboer, Deni Achmad
Journal La Lifesci Vol. 6 No. 5 (2025): Journal La Lifesci
Publisher : Newinera Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37899/journallalifesci.v6i5.2673

Abstract

The challenge faced by fishermen involved in lobster fishing is the decline in population due to overfishing and unsustainable practices. Intensive lobster fishing can disrupt the balance of the ecosystem, especially if the fishing gear used is not environmentally friendly. Lost fishing gear can continue to catch lobsters and other species unintentionally, a phenomenon known as ghost fishing. The methods applied in this research include literature review and experimental design. The literature review was conducted by examining data and the development of lobster traps from research publications and various books related to fishing. The analysis of the development of existing trap designs before the modification process is a key factor in selecting the standard trap design. This aims to develop lobster traps that are selective for legal sizes. The tiered wall trap has two entrances, one at the top in the shape of a cylinder with a width of 15 cm and a length of 20 cm, cylindrical in shape and without any hole patterns. It is expected that the trapped lobsters will not be able to escape because the length of the entrance itself is longer than the leg size of the catchable lobsters, where lobsters with a carapace length of 8.3 cm have a front leg length of 8 cm, making it impossible for the caught lobsters to climb out. The design of the tiered wall trap with a perforated pattern on the base of the trap at 8 cm is expected to allow catchable lobsters to climb into the trap's mouth. The tiered walls help lobsters to easily climb up to the mouth, thereby increasing the effectiveness and selectivity of the trap for catchable-sized lobsters. However, this design still needs to be tested in lobster catching areas or in laboratory scale.
Effectiveness of Phytobiotic Supplementation as a Feed Additive Ardiansyah, Widiastuti; Tusaban, Tusaban; Achmad, Dewi Shinta
Journal La Lifesci Vol. 6 No. 5 (2025): Journal La Lifesci
Publisher : Newinera Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37899/journallalifesci.v6i5.2620

Abstract

The rearing of Mojosari ducks in Indonesia has become increasingly important as an alternative source of animal protein. However, the high cholesterol content in duck meat presents a challenge to its consumption. This study aims to evaluate the effect of turmeric supplementation in feed on cholesterol levels in the liver, blood, and meat of Mojosari ducks, as well as the organoleptic quality of the resulting meat. The experiment utilized a factorial Randomized Completely Block Design (RCBD), where ducks were divided into four treatment groups based on turmeric dosage: 0%, 6%, 8%, and 10%. Parameters measured included cholesterol levels in the liver, blood, and meat, as well as organoleptic assessments of taste, aroma, texture, color, and tenderness of the meat. The results indicated that turmeric supplementation significantly reduced cholesterol levels in the liver, blood, and meat of the ducks, with the 8% and 10% turmeric groups showing the lowest cholesterol levels. Turmeric supplementation also improved the tenderness and color quality of the duck meat, although no significant differences were observed in taste and aroma. The reduction in cholesterol levels suggests the potential of turmeric as an effective feed additive for producing healthier duck meat that is more appealing to consumers. These findings have implications for the development of feed based on natural ingredients that can enhance duck meat quality and support the sustainability of the duck farming industry in Indonesia.
Testing the Fire Resistance of Fiberglass Composite Material with a Mixture of Green Mussel Shell Waste Paska, Adhi; Yusrizal, Yusrizal; Hermawan, Maman; Soeboer, Deni Achmad
Journal La Lifesci Vol. 6 No. 5 (2025): Journal La Lifesci
Publisher : Newinera Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37899/journallalifesci.v6i5.2688

Abstract

This study aims to evaluate the effect of adding green mussel shell powder (CKH) on the fire resistance of Fiberglass composite materials used in fishing vessel hulls under 5 GT. The composite was made using the hand lay-up method with variations in CKH composition of 0%, 10%, 20%, 30%, 40%, and 50%. Testing was carried out using the ASTM D635 standard to determine the burning rate. Statistical analysis using logistic regression to determine the linear relationship between variables. Statistically, logistic regression states a p-value <0.05 and is suitable as a reference model to determine the value of CKH powder composition with the burning rate of the material. This study shows that specimens with the addition of 20% CKH increase fire resistance by 8.56% (13.10 mm/min), while the addition of 50% CKH increases up to 19.92% (11.47 mm/min). So that the more CKH composition additions can increase the fire resistance of the material. These results indicate that CKH waste has the potential as an environmentally friendly additive that improves ship safety.
Spatial Analysis in Detecting the Level of Land Suitability for Clove Plants Muhlis, Muhlis; Jusran, Jusran; Dania, Mochamad Ikbal Rezki; Muhtar, Muhtar
Journal La Lifesci Vol. 6 No. 5 (2025): Journal La Lifesci
Publisher : Newinera Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37899/journallalifesci.v6i5.2735

Abstract

Plantation crops remain a central choice for many farmers because of their promising yields, and clove is among the most valued due to its strong market demand. Despite this potential, clove cultivation frequently faces constraints, particularly sudden stem bud decline and disease susceptibility. These problems often arise from land that does not meet the crop’s ecological requirements, yet many farmers still find it difficult to obtain reliable and timely information on land suitability. Spatial data offers an effective solution because it provides rapid and up to date insights into environmental conditions without requiring farmers to visit each site. When combined with big data and smart farming technologies, spatial information becomes even more useful, since farmers can monitor climate patterns, soil temperature and soil texture more easily.This study aims to generate accurate information on land suitability for clove cultivation through spatial big data and to demonstrate the role of smart farming systems in detecting suitability levels. Using a quantitative approach, land conditions were classified into four suitability categories which include very suitable, suitable, marginal and not suitable. Landsat imagery from Sinjai Regency in 2024 identified approximately 24,566 pixels or 2,282 hectares of land used for clove cultivation. These areas were concentrated in South Sinjai, Central Sinjai, Sinjai Borong and West Sinjai. Additional land cover classes consisted of primary forest, rice fields, settlements, secondary forest, annual crops and mixed plantations. The classification results were supported by categorical accuracy testing, highlighting the need to evaluate each land use type individually to ensure the reliability of the spatial interpretation.
The Impact of Land Cover Change in the Bolon Watershed on Flood Zonation Pane, Indah Permatasari Br. S.; Mardianta, Anthoni Veery; Mulia, Ahmad Perwira
Journal La Lifesci Vol. 6 No. 5 (2025): Journal La Lifesci
Publisher : Newinera Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37899/journallalifesci.v6i5.2740

Abstract

Flood risk assessment plays a crucial role in determining flood hazard zones and formulating effective mitigation strategies. Using a multi- criteria decision support system, this study focuses on evaluating the flood risk index within the Bolon Watershed (DAS Bolon). Geographic Information Systems (GIS) were employed as an effective disaster mitigation tool to provide comprehensive geospatial data. The research integrates the Cellular Automata–Markov Chain (CA–MC) model using the MOLUSCE plugin in QGIS to spatially project land-use change analysis, the Analytical Hierarchy Process (AHP) to determine variable weights influencing flood risk, and Weighted Multi-Criteria Analysis (WMCA) for spatial flood zonation assessment. Between 2017 and 2021, significant land-cover changes occurred in the Bolon Watershed, with 67.55 km² converted into residential areas. Forest Flood risk assessment plays a crucial role in determining flood hazard zones and formulating effective mitigation strategies. Using a multi- criteria decision support system, this study focuses on evaluating the flood risk index within the Bolon Watershed (DAS Bolon). Geographic Information Systems (GIS) were employed as an effective disaster mitigation tool to provide comprehensive geospatial data. The research integrates the Cellular Automata–Markov Chain (CA–MC) model using the MOLUSCE plugin in QGIS to spatially project land-use change analysis, the Analytical Hierarchy Process (AHP) to determine variable weights influencing flood risk, and Weighted Multi-Criteria Analysis (WMCA) for spatial flood zonation assessment. Between 2017 and 2021, significant land-cover changes occurred in the Bolon Watershed, with 67.55 km² converted into residential areas. Forest deforestation began in 2017 and is projected to continue until 2033, potentially disrupting the hydrological cycle and intensifying flood-prone zones. As a result, the flood-prone residential area increased markedly from 1.4% (2017) to 2.89% (2021) and is projected to reach 4.74% by 2033, with an average annual increase of 0.21%. This study underscores the importance of improved land-cover management to mitigate flood zonation in the Bolon Watershed. It also emphasizes the need for strict enforcement of spatial planning and zoning regulations, as well as enhanced monitoring and legal measures against land-use conversion particularly in flood-prone and water recharge areas

Page 17 of 17 | Total Record : 170

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