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RINA M.Si WIDIANA S.Si
Universitas PGRI Sumatera Barat, Padang, West Sumatra
Religion Agriculture, Biological Sciences & Forestry Arts Humanities Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Environmental Science Immunology & microbiology Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Mathematics Physics Social Sciences Other

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Jenis Ikan Yang Tertangkap Di Batang Kuantan Kawasan Wisata Geopark Silokek Sumatera Barat Mariani, Nur; Widiana, Rina; Abizar, Abizar
Jurnal Pendidikan, Sains Dan Teknologi Vol. 3 No. 3 (2024): Juli - September
Publisher : CV. ITTC INDONESIA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47233/jpst.v3i3.1963

Abstract

Batang Kuantan is a river that crosses several villages in Sijunjung Regency where the water is murky and has a brownish yellow color. The contamination of Batang Kuantan occurred as a result of the community using the Batang Kuantan river as a place for gold mining using quicksilver (mercury). The use of mercury (Hg) is one of the concerns in gold mining because it is dangerous for health and pollutes the environment. This research aims to determine the types of fish in the Batang Kuantan Geopark Silokek Tourism Area, Sijunjung Regency, West Sumatra and to determine the physico-chemical conditions of the water including temperature, current speed, dissolved oxygen, degree of acidity, total suspended solids, and mercury in the Batang Kuantan area. Silokek Geopark Tourism, Sijunjung Regency, West Sumatra. This research is a descriptive survey method. This research was carried out in October–November 2023 in Batang Kuantan, Silokek Geopark Tourism Area, Sijunjung Regency, West Sumatra and sample identification was carried out at the Laboratory of the Faculty of Science and Technology, PGRI University of West Sumatra and measurements of Total Suspended Solid, Dissolved Oxygen and Mercury were carried out at the Standardization Center Laboratory. and Padang Industrial Services (BSPJI). The results of the research that had been carried out showed that there were 10 types, namely Mystacoleucus marginatus, Barbonymus schwanenfeldii, Rasbora sumatrana, Puntius binotatus, Pangasius lithostoma, Oreochromis niloticus, Pristolepis grootii, Osphonemus gouramy, Pangasius macronema, Pangasius polyuranodon and the results of physico-chemical measurements showed that the water temperature was around 26- 27°C, Current speed ranges from 0.12-0.33 m/s, Degree of Acidity ranges from 8.50-8.72, Dissolved Oxygen Content ranges from 479-7.43 mg/L, Total Suspended Solids ranges from 326-433 mg /L, and mercury is around 0.001 mg/L.
Validity of E-Module on Cell Material For Class XI IPA SMA / MA Zulkhairunnas; Widiana, Rina; Yulia Sari, Liza
JOURNAL OF DIGITAL LEARNING AND DISTANCE EDUCATION Vol. 1 No. 3 (2022): Journal of Digital Learning and Distance Education (JDLDE)
Publisher : RADINKA JAYA UTAMA PUBLISHER

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56778/jdlde.v1i3.21

Abstract

This study aims to produce a valid and practical e-module for cell material in class XI IPA SMAN 1 Pasaman. This research is development research that uses a 4D development model consisting of a definition stage, a design stage, a development stage, and a dissemination stage. This stage is limited to the development stage because it is determined by time and cost. The e-module validity test on cell material for class XI IPA SMA/MA was carried out by 3 validators, namely 2 lecturers at the PGRI University of West Sumatra and 1 biology teacher at SMA Negeri 1 Pasaman using a validity questionnaire. The results of the e-module validity test questionnaire analysis on cell material for class XI IPA SMA / MA obtained a value of 93.1% with very valid criteria. The conclusion from the research of e-module on cell material for class XI IPA SMA/MA obtained very valid results.
Strategic Management and Firm Survival Supangkat, Hendrarto; Widiana, Rina
Journal of Emerging Business Management and Entrepreneurship Studies Vol. 2 No. 1 (2022): Journal of Emerging Business Management and Entrepreneurship Studies
Publisher : Research Center and Case Clearing House (RC-CCH) - Sekolah Tinggi Manajemen PPM

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34149/jebmes.v2i1.75

Abstract

Strategic management has been praised for presenting firms with advantages. However, there is still a lack of empirical evidence for its impact on firms in difficult conditions. This study evaluates a unique situation in which firms facing the same external threat could end up differently. The relationships between strategic management and firms’ abilities to survive were investigated through a survey of 67 nickel-mining firms in Sulawesi Island, Indonesia. Each firm’s level in strategic management was measured by a questionnaire, which is based on a two-dimensional model for strategic management maturity comprising process and leadership dimensions. Meanwhile, a firm’s survival ability was assessed in six facets, including the ability to detect a threat, formulate an anticipation plan, implement the plan, maintain operations, maintain performance, and continue to exist in the future. Regression techniques were employed in the analysis. Proof of the positive effect that strategic management has on firms’ survival is delivered as the main result. It is further found that maturity in the strategic management process plays a more dominant role than strategic leadership. The effects of both dimensions in strategic management maturity on each survival ability facet are also explored.
PRELIMINARY STUDY: ANALYSIS OF SCIENCE LEARNING NEEDS ON HUMAN DIGESTIVE SYSTEM MATERIAL GRADE VIII SMP / MTS Lusi, Dila Evi; Widiana, Rina; Maharani, Ade Dewi; Zuliarni, Zuliarni
BioCONCETTA Vol 9, No 1 (2023)
Publisher : Universitas PGRI Sumatera Barat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22202/bc.2023.v9i1.7741

Abstract

The aim of this research is to analyze and describe the students' needs for biology learning resources used in the eighth-grade classroom at MTsS Qasratul Jannah. The instruments used in the study include interview questionnaires with teachers, student needs questionnaires, and book analysis. Based on the interview results, it was found that the school only uses one textbook and worksheets available in the market. Additionally, 0% of students have not met the Minimum Completion Criteria (KKM) in the material on the human digestive system. The student needs questionnaire revealed that 94.7% of students face difficulties in understanding the material on the human digestive system, and 42.1% of students prefer handout teaching materials. The book analysis revealed deficiencies in the teaching materials, as they do not cover efforts to maintain the health of the human digestive system, and do not include illustrations in each topic. Based on the analysis, supporting teaching materials are needed, such as handouts that align with the students' needs
Jenis-jenis Makrozoobentos yang Ditemukan di Batang Kuantan Kawasan Wisata Geopark Silokek Kabupaten Sijunjung Annisa Ramadhani; Rina Widiana; Abizar Abizar
Bioscientist : Jurnal Ilmiah Biologi Vol 12, No 1 (2024): June
Publisher : Department of Biology Education, FSTT, Mandalika University of Education, Indonesia.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/bioscientist.v12i1.11075

Abstract

The Kuantan River in the Silokek Geopark Tourism Area, Sijunjung Regency, shows that the condition of the Kuantan River in the Silokek Geopark Tourism Area is a natural and potential tourism area, because the Kuantan River in the Silokek Geopark Tourism Area has become a tourist attraction due to its abundant natural wealth. However, gold mining has caused the Kuantan River water to be categorized as polluted, indicated by its turbidity. This study aims to determine the types of macrozoobenthos found in the Kuantan River within the Silokek Geopark Tourism Area, Sijunjung Regency. This research was conducted from August to December 2023. The research used a descriptive survey method, which included direct observation and sampling at the research site. The sampling technique used was purposive sampling, selecting three research stations. Sample identification was conducted at the Biology Education Laboratory, Universitas PGRI Sumatera Barat. Physicochemical water measurements were carried out at the Laboratory of Standardization and Industrial Services in Gadut, Padang, West Sumatra. The results of the research on the types of macrozoobenthos found in the Kuantan River within the Silokek Geopark Tourism Area, Sijunjung Regency, identified 10 species belonging to 2 classes: Gastropoda and Pelecypoda. Eight species of Gastropoda were found: Tarebia granifera, Thiara scabra, Brotia costula, Tryonia clathrata, Pleurocera acuta, Thiara scabra, Goniobasis livescens, Brotia sp., and 2 species of Pelecypoda: Corbicula manilensis and Pilsbryoconcha exilis.
The Relationship between Students' 21st Century Skills and Learning Outcomes on Virus Material for Grade X of Senior High School Stage E Widiana, Rina; Susanti, Diana; Asri, Yola
Jurnal Penelitian Pendidikan IPA Vol 11 No 8 (2025): August
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v11i8.11560

Abstract

This study investigates the relationship between 21st-century skills and students’ learning outcomes on the topic of viruses in Grade X at SMA Negeri 1 Rao, Pasaman Barat, Indonesia. Employing a quantitative approach with a correlational research design, data were obtained from two instruments: a 21st-century skills questionnaire and a summative test on the virus topic. The questionnaire measured four core dimensions: critical thinking, creativity, collaboration, and communication. Data analysis was conducted using Pearson’s product–moment correlation to assess the strength and significance of the relationship between the variables. The results indicated a very weak and statistically non-significant correlation between 21st-century skills and summative learning outcomes. These findings suggest that while 21st-century skills are vital for fostering deep conceptual understanding and the practical application of scientific knowledge, they are not adequately captured by assessments focused primarily on rote memorization and factual recall. The study highlights the need for integrating learning approaches that embed competency-based evaluation, such as project-based learning, case studies, and collaborative problem-solving tasks. Such approaches would enable a more comprehensive measurement of students’ abilities and better align assessment practices with the demands of contemporary education
Jenis-jenis Makrozoobentos yang Ditemukan di Batang Kuantan Kawasan Wisata Geopark Silokek Kabupaten Sijunjung Ramadhani, Annisa; Widiana, Rina; Abizar, Abizar
Bioscientist : Jurnal Ilmiah Biologi Vol. 12 No. 1 (2024): June
Publisher : Department of Biology Education, FSTT, Mandalika University of Education, Indonesia.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/bioscientist.v12i1.11075

Abstract

The Kuantan River in the Silokek Geopark Tourism Area, Sijunjung Regency, shows that the condition of the Kuantan River in the Silokek Geopark Tourism Area is a natural and potential tourism area, because the Kuantan River in the Silokek Geopark Tourism Area has become a tourist attraction due to its abundant natural wealth. However, gold mining has caused the Kuantan River water to be categorized as polluted, indicated by its turbidity. This study aims to determine the types of macrozoobenthos found in the Kuantan River within the Silokek Geopark Tourism Area, Sijunjung Regency. This research was conducted from August to December 2023. The research used a descriptive survey method, which included direct observation and sampling at the research site. The sampling technique used was purposive sampling, selecting three research stations. Sample identification was conducted at the Biology Education Laboratory, Universitas PGRI Sumatera Barat. Physicochemical water measurements were carried out at the Laboratory of Standardization and Industrial Services in Gadut, Padang, West Sumatra. The results of the research on the types of macrozoobenthos found in the Kuantan River within the Silokek Geopark Tourism Area, Sijunjung Regency, identified 10 species belonging to 2 classes: Gastropoda and Pelecypoda. Eight species of Gastropoda were found: Tarebia granifera, Thiara scabra, Brotia costula, Tryonia clathrata, Pleurocera acuta, Thiara scabra, Goniobasis livescens, Brotia sp., and 2 species of Pelecypoda: Corbicula manilensis and Pilsbryoconcha exilis.
Co-Authors A.A. Ketut Agung Cahyawan W Abdul Razak Abizar Abizar Ade Dewi Maharani Annika Maizeli Annisa Ramadhani Annisa Ramadhani Armein Lusi Armein Lusi Zeswita Asri, Yola Dafrinal Dafrinal Desi Anggriani Diana Susanti Diana Susanti Diana Susanti, Febriyanti, Ruth Rize Paas Megahati S, Diana Susanti, Dinelia Sari putri Emilia Novita Fadilla Dwi Putri Fani Dwikirana Fitri Malinda Sari Gustina Indriati I Ketut Suada Indah Permata Sari Jabang Nurdin Julia Maria Gorette Lince Meriko Liza Yulia Sari Liza Yulia Sari Lusi, Dila Evi Margaretta Margaretta Mariani, Nur Mira Prima Putri Nora Harsinta NOVA AMELIA Nurhadi Penatriwati Penatriwati Rahmapela Zaima Ramadhan Sumarmin Ramadhan Sumarmin Ramadhan Sumarmin Rani Angraini Reni Juliarti Renidawati Hutapea Renny Risdawati Ria Kasmeri Rika Mona Sari Rika Suryaningsih Rowdoh Rowdoh Sherly Serfitria Silvi Susanti Silvi Susanti Silvi Susanti Silvi Susanti Siska Nerita Sri Ningsih Sri Wahyuni Supangkat, Hendrarto Susanti, Silvi Tuti Marlinda Wazzaitun Wazzaitun Zaidan Rizki Zuliarni Zuliarni Zulkhairunnas