Penggunaan plastik masih digemari oleh sebagian besar masyarakat hingga saat ini, hal tersebut mengakibatkan meningkatnya jumlah sampah plastik. Salah satu bakteri yang mampu melakukan bioremediasi plastik adalah bakteri yang terdapat di ekosistem bakau. Keberadaan ekosistem bakau juga dapat ditemukan di Pantai Sine Tulungagung, namun belum pernah ada eksplorasi lebih lanjut mengenai keberadaan bakteri pengurai plastik. Penelitian ini dilakukan guna mengeksplorasi keberadaan bakteri potensial di kawasan bakau pantai Sine Tulungagung, yang dapat menguraikan plastik. Penelitian ini menggunakan metode kualitatif deksriptif yang diawali dengan penanaman sampel plastik di endapan bakau, kemudian dilakukan pengambilan sampel bakteri di kawasan bakau Pantai Sine Tulungagung. Sampel bakteri diperoleh dengan metode isolasi sehingga didapatkan hasil sebanyak 21 isolat bakteri hasil eksplorasi, yang akan dilakukan uji pengurangan berat plastik. Bakteri yang berpotensi menguraikan plastik selanjutnya dilakukan identifikasi melalui uji morfologi (warna, bentuk, tepian, elevasi, ukuran) dan uji biokimia (pewarnaan gram dan enzim katalase). Ditemukan persentase pengurangan berat plastik tertinggi sebesar 6,97%, dengan karakteristik terbanyak berbentuk coccus atau bulat berjenis gram negatif.
Culture and Islamic values are important to be taught to students through local wisdom that exists in an area. Local wisdom is a precious value that exists in the life order of the community to ensure the protection and sustainable management of the environment. Local wisdom can be integrated into ethnoscience-based learning by combining two different fields, namely science and culture. This study aims to develop the local wisdom of Tulungagung and the correlation of Islamic values as a source of ethnographic learning. This research method uses qualitative description. It aims to help students develop their hidden skills, abilities and talents. Data collection methods were carried out through observations, interviews and documents on student of Islamic State University Sayyid Ali Rahmatullah Tulungagung, and literature review by extracting data from books, journals and related sources other. Ethnographic learning can be realized in Tulungagung through learning programs that utilize the natural resources, human resources, geographical location, culture, history and other potentials of the region. Tulungagung. Based on the results and discussion, it can be concluded that the local wisdom of Tulungagung district can be a source of ethnographic learning and can be correlated with Islamic values.
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