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All Journal Jurnal Ilmu Lingkungan Biogenesis: Jurnal Ilmiah Biologi Unnes Science Education Journal
Santoso, Luhur Pujo
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Education Environmental Science Immunology & microbiology

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Types of diversity and ecological functions of pteridophytes in the Lawe Secepit Waterfall Kendal Ulfah, Maria; Santoso, Luhur Pujo; Alamsyah, Ricky; Setyaningrum, Sulis; Kurniawati, Septiana
Biogenesis: Jurnal Ilmiah Biologi Vol 11 No 2 (2023)
Publisher : Department of Biology, Faculty of Sci and Tech, Universitas Islam Negeri Alauddin Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24252/bio.v11i2.36221

Abstract

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Development of Practicum Worksheet on Project Based Learning on Environmental Pollution Material Santoso, Luhur Pujo; Nurwahyunani, Atip; Ulfah, Maria
Unnes Science Education Journal Vol 12 No 2 (2023): August 2023
Publisher : Department of Integrated Science, Faculty of Mathematics and Natural Sciences, Universitas Negeri Semarang in Collaboration with Perkumpulan Pendidikan IPA Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/usej.v12i2.69209

Abstract

Problems that are often experienced in learning Environment Pollution material is the lack of participation of learners in the formation his knowledge, this is due to the learning provided only limited to theory without utilizing laboratory facilities for activities practicum. In addition, the teaching materials used are less able to hook material with contextual phenomena in everyday life, so that lack of opportunities for learners to conduct investigations. This research aims to develop practicum worksheet on Project Based Learning on environmental pollution material. The research method used is Research and Development (R&D). The preparation of practicum worksheet uses the ADDIE model, but in this study only focuses on the ADD (Analysis, Design, and Development) stage. Practicum worksheet design that has been prepared before being tested is measured for quality through validation activities by material experts and media experts. Validation was carried out by 2 material experts and 2 media experts, in this case lecturers from PGRI Semarang University. The final average score of validation results by material experts was 92.36% and media experts was 90.33%. This value included in the very valid category, so that the practicum worksheet that has been prepared is suitable for use in learning Environmental Pollution material.
Calla Lily (Zantedeschia aethiopica (L.) Spreng) as a Bioremediation Agent of Jatibarang Landfill Leachate Conterminated Waters Ulfah, Maria; Santoso, Luhur Pujo; Nurwahyunani, Atip
Jurnal Ilmu Lingkungan Vol 23, No 2 (2025): March 2025
Publisher : School of Postgraduate Studies, Diponegoro Univer

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jil.23.2.435-442

Abstract

The leachates are formed when the waste mixes with the water and penetrates into the ground. Leachate has a dangerous impact because it contains toxic organic/inorganic pollutants, heavy metals and ammonia. Many problems will arise if the leachate is not treated and left alone. The pollutants from landfill leachate have accumulative and detrimental effect on the ecology and food chains. Bioremediation effectively heals the environment when it's been contaminated by pollutants and toxics. The purpose of this study was to determine the effectiveness of Calla Lily (Zantedeschia aethiopica (L.) Spreng) as a BOD and leachate turbidity removal. This type of research is qualitative research and is presented descriptively. Based on the results of the research, it was shown that calla lily were able to reduce BOD and turbidity removal, but the treatment had no significant effect. The results of the analysis showed that the physical and chemical parameters of leachate at Jatibarang landfill that exceeded the leachate quality standards were BOD 464 mg/L (9.2% removal), turbidity removal 6.3 NTU (96.23% removal). If the leachate is only collected without further treatment, it will result in the leachate entering residential rivers and contaminating the well water in the surrounding Jatibarang area and possibly causing health problems.
Co-Authors Alamsyah, Ricky Atip Nurwahyunani, Atip Kurniawati, Septiana Maria Ulfah Setyaningrum, Sulis