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Journal of Natural Sciences and Learning
Published by Universitas Wijaya Kusuma Surabaya
ISSN : 29631041     EISSN : 29629837     DOI : https://doi.org/10.30742/jnsl.v3i1
Core Subject : Science, Education, Social,
Biochemistry, Genetics & Molecular Biology Education Environmental Science Immunology & microbiology
Journal of Natural Sciences and Learning is published by the Department of Biology Education Faculty of Teacher Training and Education Universitas Wijaya Kusuma Surabaya. The Journal of Natural Sciences and Learning covers many academic disciplines, publishing articles for researchers, and educators and providing a forum for the sharing, dissemination and discussion of research, experience and perspectives across a wide range of natural science and learning. Criteria for publication in the Journal of Natural Sciences and Learning are novelty, quality, and general interest in experimental and theoretical basic natural sciences and biology/science education and learning. In detail, the scopes of this journal are research in: Life Sciences and Biology; Natural Science; Environmental Science; Biomaterial and Bioinformatic; Curriculum, Teaching and Learning; Biology Education; Learning Media; Learning/Teaching Methodologies; Educational Projects and Innovations; Science Educational Technology; Lesson Study in Biology/Natural Science Learning.
Arjuna Subject : Ilmu Sosial - Pendidikan
Articles 34 Documents
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Analysis of the potential of Sendang Silowo in Mandirejo Village, Merakurak District, Tuban Regency as Aquatic Ecotourism Andriani, Riska; Andayani, Hana Dwi
Journal of Natural Sciences and Learning Vol. 3 No. 1 (2024): Journal of Natural Science and Learning
Publisher : Department of Biology Education, Faculty of Teacher Training and Education, Universitas Wijaya Kusuma Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30742/jnsl.v3i1.133

Abstract

Ecotourism is a tourism activity that places responsibility on preserving nature and is able to provide a positive economic impact and welfare to local communities. Ecotourism focuses on three things, namely sustainability of nature, providing economic benefits, and being accepted in the social and cultural life of society. Tuban Regency is one of the districts in East Java Province which is located on the north coast. Tuban Regency has aquatic ecotourism which attracts many tourists, for example Sendang Silowo Ecotourism which is in Mandirejo Village, Merakurak District. In this research, the research method used is a qualitative descriptive method, data collection uses field observation methods, interviews, and uses SWOT analysis which is presented in the form of a simple SWOT analysis table to find out how far along the development and management process of Sendang Silowo Ecotourism is. This analysis aims to maximize the potential that can be developed into sustainable aquatic ecotourism in accordance with ecotourism principles.
Observation of The Natural PH of Some Flower and Plant Samples on The Campus Universitas Wijaya Kusuma Surabaya Kapuka, Gius; Firdaus, Solichatul; Anisa, Siti
Journal of Natural Sciences and Learning Vol. 3 No. 1 (2024): Journal of Natural Science and Learning
Publisher : Department of Biology Education, Faculty of Teacher Training and Education, Universitas Wijaya Kusuma Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30742/jnsl.v3i1.134

Abstract

The purpose of this study was to observe the acid-base pH of several samples of flowers and plants around the campus. To recognize acids and bases is usually by using indicators. The purpose of acid-base indicator analysis is to measure acid-base reactions. This usually requires the use of indicators or tools such as litmus paper, pH indicator paper, and electrodes for acids and bases. Indicators were extracted from Allamanda flower plants, Bougainvillea flowers, and Dracaena reflexa plants using solvents (water) and alcohol. The method used in this study is the practicum method and literature review using Google Scholar articles and sources.
Effect of Boron on Growth and Seed Yield of Pea Cultivars Ullah, Izhar; DİREK, Mithat; Chamidah, Dina
Journal of Natural Sciences and Learning Vol. 3 No. 1 (2024): Journal of Natural Science and Learning
Publisher : Department of Biology Education, Faculty of Teacher Training and Education, Universitas Wijaya Kusuma Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30742/jnsl.v3i1.137

Abstract

An experiment was conducted to know the “Effect of boron on growth and seed yield of pea cultivars” under the agro climatic conditions of Palosi Peshawar at the Horticulture Research Farm, The University of Agriculture Peshawar, during 2022. Experiment was laid out in randomized complete block design with split plot arrangement and replicated three times. The experiment consisted of two factors: First factor was different levels of boron, control, 0.50%, 0.75%, 1.0 %, and boron were added to the main plot, while the other was the pea cultivars Climax, Leena Pak, and Meteor, which were planted in the sub-plot. Different pea cultivars and the foliar application of boron both have a significant impact on pea growth, yield, and seed production. The number of primary branches per plant (13.1), the number of leaves per plant (120.8), the height of the plant (103.5 cm), number of pods per plant (16.6), the length of pod (11.1 cm), the diameter of pod (13.8 mm), number of seeds per pod (10.3), seed yield per plant (160.5), root fresh weight (4.6 g) and the total yield per hectare were all significantly increased by foliar spray of boron. According to the research, foliar application of boron should be applied at a rate of 0.75 % for better growth and production. Pea cultivar Climax should be grown under the agro climatic conditions Peshawar. Keywords: Boron, growth and seed yield, pea cultivars.  
BIOPLASTIC PRESERVATION INNOVATION FROM INVERTEBRATE ANIMAL RESINS: A SUSTAINABLE SOLUTION TO INCREASE ECONOMIC VALUE IN KENJERAN COASTLINE Sa’diyah, Halimatus; Rosalita, Anis; Firmansyah, Dani
Journal of Natural Sciences and Learning Vol. 3 No. 2 (2024): Journal of Natural Science and Learning
Publisher : Department of Biology Education, Faculty of Teacher Training and Education, Universitas Wijaya Kusuma Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30742/jnls.v3i2.135

Abstract

Kenjerann Beach is one of the beaches in Surabaya, which is located in the Bulakbull sub-district of Kenjeran which has a tourist attraction and is very beneficial for the community around the coast. The Kenjeran coast has potential biological resources such as marine biota and intervertebrate animals. This research aims to produce preserved invertebrates using bioplastic techniques and to increase knowledge and economic value of Kenjeran Beach. The research was carried out in two stages. The first stage is field observation to collect biota on the Kenjeran coast. The second step is the development of preservation technology, namely bioplastics. The model used in this research is at the implementation and testing stage. The results of these observations found 3 families of invertebrates that were used as materials and made it possible to preserve them. And these preserves can be used as accessories or decorations and other trinkets as business opportunities.
SYSTEMATIC LITERATURE REVIEW: THE IMPLEMENTATION OF THE DISCOVERY LEARNING MODEL TO IMPROVE BIOLOGY LEARNING OUTCOMES IN HIGH SCHOOL Saputra, Rehan; Maharani, Delfiera Aisyafitri
Journal of Natural Sciences and Learning Vol. 3 No. 2 (2024): Journal of Natural Science and Learning
Publisher : Department of Biology Education, Faculty of Teacher Training and Education, Universitas Wijaya Kusuma Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30742/jnsl.v3i2.199

Abstract

Education is a crucial aspect in creating high-quality human resources. The appropriate learning model, such as Discovery Learning, plays a vital role in enhancing student learning outcomes, particularly in Biology at the high school level. Discovery Learning emphasizes the process of concept discovery by students through active learning activities, helping them build knowledge independently and meaningfully. This study aims to evaluate the effectiveness of the Discovery Learning model in improving high school biology learning outcomes through a systematic literature review using the PRISMA method. The analysis of seven articles that met the criteria shows that Discovery Learning significantly enhances high school students' biology learning outcomes. These findings highlight the effectiveness of Discovery Learning in deepening students' understanding of biological concepts and increasing their motivation.
GROWING GRAPES IN A GREENHOUSE IS A NEW REVOLUTION Ullah, Izhar
Journal of Natural Sciences and Learning Vol. 3 No. 2 (2024): Journal of Natural Science and Learning
Publisher : Department of Biology Education, Faculty of Teacher Training and Education, Universitas Wijaya Kusuma Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30742/10.30742/jnsl.v3i2.388

Abstract

Grapes (Vitis vinifera L.) is amongst the well-known fruits around the world. They are not only admire due to nutraceutical and extraordinary  properties but also for the multiple uses, viz, wines, juices, raisins and fresh consumption, along with side uses as in medicines and molasses etc. The modern world is facing problems of climate change, water shortage, land limitations and multiple fold increase in population. In order to meet the needs of the ever-increasing human population, intensive cultivation with limited resources is vital. Greenhouse cultivation is one of the best options for production of delicate fruits like grapes, having specific environmental requirements for giving bumper commercial crop. Precision viticulture, adopted under greenhouse conditions helps in improving the quality and quantity of produce, without compromising environmental and economic aspects. Smart choice of rootstock, efficient irrigation method, justified pruning and training of vines, timely application of just the right amount of nutrients, proper management of growth media, temperature and humidity control according to the needs of the particular growth stages of plant and controlled pollination can make possible the availability of out of season crop. This system also provides opportunities for agrotourism and a more controlled environment for future research. Installment of greenhouse demands a lot of investment both in terms of money and expertise but once established, the returns are multiple fold compared to the early investment.
Effect Type Of Packaging Material And Storage Time On Total Plate Count (Tpc) Microbes On Shrimp Paste Chili Sauce Bari, Agata j i
Journal of Natural Sciences and Learning Vol. 3 No. 2 (2024): Journal of Natural Science and Learning
Publisher : Department of Biology Education, Faculty of Teacher Training and Education, Universitas Wijaya Kusuma Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30742/10.30742/jnls.v3i2.396

Abstract

This research aims to determine the effect type of packaging material and storage time on microbial Total Plate Count on the shrimp paste chili sauce, a completely randomized design (RAL) of two factorial was used in this research. The first factor was the type of storage material consisting of plastic bottles (A1) and glass bottles (A2). The second factor was the length of storage consisting of 5 days (H1), 10 days (H2) and 15 days (H3). From the two factors, 6 combinations of treatments were obtained, and each treatment combination was repeated 4 times, so the total was 24 samples. The results of the research were analyzed using variance at a realistic level of 5%, if significantly different then continued with the Duncan test. The results showed that the type of packaging and storage time had a significantly different effect on the parameters of the microbial Total Plate Count on the shrimp paste chili sauce (p<0.05). Based on the results, it is known that the use of glass bottle packaging (A2) has a better ability to maintain the quality of shrimp paste sauce. Referring to the SNI standard (01 - 7388 - 2009), the best storage time for shrimp paste sauce is 10 days (H2), with an average microbial Total Plate count that is still within the normal range of 4.0 x 104 CFU/g < 1 x 105 CFU/g. The implication of this research is that the use of glass bottle packaging materials is able to maintain the quality of shrimp paste sauce better than plastic bottles and the best storage time for the shrimp chili paste is 10 days.
ONLINE CLASS EXPERIENCES OF NEPALI STUDENTS AND TEACHERS Kumar Kshetree, Arun
Journal of Natural Sciences and Learning Vol. 3 No. 2 (2024): Journal of Natural Science and Learning
Publisher : Department of Biology Education, Faculty of Teacher Training and Education, Universitas Wijaya Kusuma Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30742/10.30742/jnsl.v3i2.398

Abstract

This research paper presents a case study analysis of the experiences of master's degree students during online classes amidst the COVID-19 pandemic, focusing on participants from Butwal, Nepal and various other regions. The study involved interviews with ten students and five teachers who actively engaged in online learning during this period. The findings reveal that the COVID-19 pandemic had a profound impact, leading to widespread disruptions, including significant economic challenges that continue to affect many nations. The pandemic altered nearly every aspect of human life, bringing about substantial changes in people's lifestyles. The study highlights that a majority of students encountered difficulties related to internet connectivity, which hindered their ability to participate in classes effectively and grasp key concepts. Moreover, many students reported lack of adequate knowledge of online learning tools, further complicating their educational experience. Similarly, teachers reported facing challenges in managing online classes, primarily due to issues with internet connectivity. The insights gained from this study underscore the need for enhancing teachers' technical proficiency and call for improved regulation of internet and electricity services to better support online education in future crises.
BIOCODICOLOGY: UNVEILING THE BIOLOGICAL AND MATERIAL COMPOSITION OF ANCIENT MANUSCRIPTS Sabri, Mansour Mohamed
Journal of Natural Sciences and Learning Vol. 3 No. 2 (2024): Journal of Natural Science and Learning
Publisher : Department of Biology Education, Faculty of Teacher Training and Education, Universitas Wijaya Kusuma Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30742/jnls.v3i2.399

Abstract

Biocodicology is an emerging interdisciplinary field that integrates biology, archaeology, and information science to study ancient manuscripts. This paper explores how biological analysis, including DNA and protein analysis, combined with advanced imaging techniques such as Reflectance Transformation Imaging (RTI), Multispectral Imaging (MSI), X-ray Fluorescence (XRF), and Fourier Transform Infrared (FTIR) Spectroscopy, offers new insights into the origins, production, and preservation of historical manuscripts. DNA extraction and protein analysis reveal the biological origins of the materials, while non-invasive physicochemical methods uncover the chemical composition of inks and pigments. The integration of bioinformatics and machine learning tools provides a holistic understanding of manuscript production techniques and environmental conditions. These methodologies contribute significantly to the study of historical manuscripts and inform strategies for their conservation and preservation.  
ENCAPISULATION OF MANGOSTEEN PEEL EXTRACT (GARCINIA MANGOSTANAL.) AS A NARUTAL INHIBITOR FOR SIWALAN SAP (BORASSUS FLABELLIFER) Siti, Diyah; KHOIR, RIRIN
Journal of Natural Sciences and Learning Vol. 4 No. 1 (2025): Journal of Natural Science and Learning
Publisher : Department of Biology Education, Faculty of Teacher Training and Education, Universitas Wijaya Kusuma Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30742/f3s1pg35/jnsl.v4i1.407

Abstract

Mangosteen fruit (Garcinia mangostana L.) is generally only used for its flesh, approximately ¾ of which becomes waste, while the mangosteen peel has benefits as a natural preservative. This study aims to determine the effect of adding the percentage of encapsulation of mangosteen peel extract as a natural inhibitor of Siwalan sap. This study used a Completely Randomized Design (CRD) with 5 treatments repeated three times. The tests carried out included antioxidant activity, pH, shelf life, and organoleptic tests. Analysis of antioxidant activity and pH test data used ANOVA. If a significant difference is found, continue with the Tukey test. Analysis of shelf life test using linear regression, organoleptic analysis using the Friedman test. Based on the results of the study, it showed that the best treatment was obtained in treatment P5 (encapsulation of 10% mangosteen peel waste extract and 500 ml of Siwalan sap). 

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