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Inventarisasi Jenis dan Potensi Mollusca di Zona Pasang Surut Tipe Substrat Berbatu Pantai Gatra Kabupaten Malang Widiansyah, Arindra Trisna; Indriwati, Sri Endah; Arief, Munzil
Prosiding SNPBS (Seminar Nasional Pendidikan Biologi dan Saintek) 2016: Prosiding SNPBS (Seminar Nasional Pendidikan Biologi dan Saintek)
Publisher : Universitas Muhammadiyah Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (764.349 KB)

Abstract

Mollusca memiliki rentangan habitat yang cukup luas, tidak terkecuali di zona intertidal (pasang surut). Berdasarkan kondisi lingkungan/substrat, zona pasang surut dibedakan menjadi substrat berbatu, berpasir, dan berlumpur. Dari semua jenis zona pasang surut, substrat berbatu yang tersusun dari bahan yang keras merupakan daerah yang paling padat makroorganismenya. Permukaan batuan yang keras berfungsi melindungi organisme dari panas dan predator serta sebagai substrat yang baik untuk tumbuh dan berkembang berbagai jenis tumbuhan dan hewan. Tujuan penelitian ini adalah untuk mengetahui jenis dan potensi Mollusca di zona pasang surut zona pasang surut tipe subtrat berbatu pantai Gatra Kabupaten Malang. Metode yang digunakan adalah transek kuadran. Penelitian ini dilakukan pada bulan Maret 2016 dengan 3 kali ulangan. Pada penelitian ini dihasilkan 20 jenis Gastropoda dan 6 jenis Bivalvia. Berdasarkan potensinya 4 diantaranya diketahui berpotensi sebagai sumber makanan (Angaria delphinus, Bulla ampulla, Conus ebraeus, Turbo bruneus), 5 berpotensi sebagai bahan baku hiasan (Engina mendicaria, Monetaria annulus, Monetaria caputserpentis, Monetaria moneta, Oxymeris dimidiata) dan 1 berpotensi sebagai sumber makanan dan bahan baku hiasan (Tridacna squamosa) serta lainnya belum diketahui potensinya. Selain itu hasil penelitian ini diharapkan menjadi masukan bagi tindakan pengelola berkaitan dengan pemanfaatan wilayah pesisir pantai Gatra secara optimal dan berkelanjutan.
Implementation of Ebook-Based Serial Image Media to Improve Science Learning Outcomes of Second Grade Elementary Students Eginuranda, Anggraini Lutfita; Widiansyah, Arindra Trisna
Science Education and Application Journal Vol. 8 No. 1 (2026): Science Education and Application Journal
Publisher : Program Studi Pendidikan IPA, Universitas Islam Lamongan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30736/seaj.v8i1.1158

Abstract

The poor performance of second-grade science pupils at SD Negeri 4 Berbek prompted this research. The failure to employ creative forms of educational media that can pique students' interest and deepen their comprehension contributes to subpar learning outcomes. The primary goal of this research is to examine the efficacy of ebooks as a serialized visual medium for scientific education. Two cycles of classroom action research (PTK) were employed as the research approach. A total of 25 second-grade students from SD Negeri 4 Berbek served as research subjects. The background of this study highlights that conventional teaching media are often ineffective due to their inability to engage students actively and cater to diverse learning styles. Research indicates that traditional methods may lead to passive learning, resulting in lower retention and understanding of scientific concepts. Evidence suggests that second graders at SD Negeri 4 Berbek had average learning outcomes that were far lower than the national norm, highlighting the need for new strategies. Interviews, observations, and tests measuring learning outcomes were used to gather data. The findings demonstrated that students' scientific learning outcomes may be enhanced by the utilization of serialized graphic media based on ebooks. Students ' average scores rose from 63.2 (before implementation) to 75.4 (after), and 72% of them were able to finish the first cycle. The average score rose to 84.8 in cycle II, and 92% of the learning was retained. Students also showed increased engagement and excitement as they learned. The results of this study show that second graders at SD Negeri 4 Berbek can improve their academic learning outcomes by using ebooks as a serialized visual medium.