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PENERAPAN TEKNOLOGI PIROLISIS RECYFUEL UNTUK MENGOLAH SAMPAH PLASTIK LAUT MENJADI ENERGI ALTERNATIF DI DESA PALANG, TUBAN Joesidawati, Marita Ika; Anggraini, Susanti Dhini; Suwarsih, Suwarsih
PAKEM : Jurnal Pengabdian Kepada Masyarakat Vol 5 No 2 (2025): Pakem : Jurnal Pengabdian Kepada Masyarakat
Publisher : Universitas Pattimura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30598/pakem.5.2.172-181

Abstract

Marine plastic waste in Palang Village, Tuban Regency, has caused serious environmental problems, such as water pollution, declining fish catches, and health disturbances due to microplastics. This community service initiative aims to address these issues through the implementation of RECYFUEL pyrolysis technology, which converts plastic waste into alternative energy (diesel) while empowering the Putera Bahari Youth Group. Implementation methods include socialization, technology application training, mentoring and evaluation, and program sustainability measures. The results show an increase in the partners' empowerment level in Management Aspects (100% of partners mastered waste management and financial reporting), Production Aspects (90% of partners were able to independently produce diesel), and Marketing Aspects (90% of partners were able to market diesel products to local fishermen). A total of 50% of plastic waste was successfully processed into diesel, with a conversion rate of 1 kg of plastic yielding 300–400 ml of diesel, along with the creation of a new profitable business opportunity. This program not only reduces environmental pollution but also enhances the economic income of the community. Thus, RECYFUEL technology proves to be an effective and sustainable solution for plastic waste management and the empowerment of coastal communities
MICROPLASTIC CHARACTERISTIC FOUND IN GASTROINTESTINAL TRACT OF PELAGIC AND DEMERSAL FISHES IN TUBAN, EAST JAVA Hidayati, Dewi; F, Fauziah; A, Aunurohim; Ashuri, Nova Maulidina; Setiawan, Edwin; Mulyadi, Yeyes; Syahroni, Nur; Joesidawati, Marita Ika; S, Suwarsih
Journal of Marine-Earth Science and Technology Vol. 4 No. 1 (2023): April
Publisher : Marine & Earth Science and Technology Research Center, DRPM, ITS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j27745449.v4i1.648

Abstract

Regular monitoring of microplastics contamination in marine biota have been concerned in the world, since its tiny size can be swallowed direct or indirectly and lead health problems. Tuban waters is the one of Indonesia's coastal and marine fisheries areas with high risk of microplastic pollution due to their highly anthropogenic activities. We investigated the microplastic in the digestive tracts of pelagic and demersal fishes in Tuban sea waters.  Microplastic in fish sample guts were observed under microscope and the type of polymer were examined using FT-IR. This study reveals that number of microplastic in digestive tract of pelagic fishes were higher than demersal fishes. The dominant form was fiber (62%) with black color and dominant size ranging from 100-500 um (72%). The types of polymers found were polyethylene and polyamide.
DNA Barcoding of Shark and Ray Species from Bawean and Masalembu Waters East Java Joesidawati, Marita Ika; Nursalim, Nining; Kholilah, Nenik; Wibowo, Marandi Eko; Cahyani, Ni Kadek Dita
Jurnal Ilmiah Perikanan dan Kelautan Vol. 17 No. 2 (2025): JURNAL ILMIAH PERIKANAN DAN KELAUTAN
Publisher : Faculty of Fisheries and Marine Universitas Airlangga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/jipk.v17i2.64873

Abstract

Graphical Abstract   Highlight Research DNA Barcoding and Species Analyzed: Tissue samples from 11 individuals across five shark species and two ray species were analyzed using DNA barcoding. The species include Sphyrna lewini, Carcharhinus sealei, Stegostoma fasciatum, Galeocerdo cuvier, Carcharhinus falciformis, Rhynchobatus australiae, and Rhina ancylostoma. Genetic Similarity and Divergence: Results showed high genetic similarity within species, but some divergence was observed between different populations, indicating potential evolutionary or geographic separations. Phylogenetic Relationships: The phylogenetic analysis revealed seven distinct clades, providing insight into the evolutionary relationships of these species. Conservation Implications: Several species identified in the study are protected, such as lewini, G. cuvier, and C. falciformis. The study underscores the importance of incorporating genetic diversity data into conservation strategies to protect these ecologically vital species in Indonesia.     Abstract Sharks and rays, as apex predators or mesopredators, help maintain marine biodiversity and ecosystem balance. Their ecological and economic value underscores the need for conservation, as they face threats from overfishing, habitat loss, and climate change, with many classified as vulnerable or endangered by the IUCN. This study investigates the genetic diversity and phylogenetic relationships of sharks and rays in Bawean and Masalembu Waters, East Java, using morphological identification and DNA barcoding. The specimens were obtained from fishermen operating in Bawean and Masalembu Waters     . A total of 11 samples were analyzed from five shark species: Sphyrna lewini, Carcharhinus sealei, Stegostoma fasciatum, Galeocerdo cuvier, and Carcharhinus falciformis, and two ray species: Rhynchobatus australiae and Rhina ancylostoma. Results showed high genetic similarity within species, with some divergence observed between samples from the Bawean and Masalembu regions. For instance, populations of Sphyrna lewini from the two regions exhibited slight mitochondrial DNA sequence variations, indicating possible adaptations to local environmental conditions. Similarly, genetic differences in Rhynchobatus australiae suggest limited gene flow between populations, likely influenced by geographical barriers or habitat preferences. Phylogenetic analysis revealed seven distinct clades, highlighting evolutionary relationships such as the close grouping of S. lewini and G. cuvier, which suggests recent divergence. Several species identified, including S. lewini, G. cuvier, and C. falciformis, are protected, underscoring the need for stricter conservation and monitoring efforts to safeguard shark and ray populations. This study highlights the urgency of integrating genetic diversity into conservation strategies to ensure the long-term survival of these vital species.
Analysis of The Influence of Comprehensive Environmental Study and Regional Heritage Preservation on The Growth In The Valuation of Tourism Site Towards World Class Tourism Gai, Ardiyanto Maksimilianus; Dwijayani, Henny; Pattiruhu, Fransisca Jallie; Joesidawati, Marita Ika; Safari, Apay
Innovative: Journal Of Social Science Research Vol. 4 No. 3 (2024): Innovative: Journal Of Social Science Research
Publisher : Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/innovative.v4i3.11273

Abstract

Penelitian ini bertujuan untuk mengidentifikasi faktor-faktor yang mempengaruhi keberhasilan dalam melestarikan, mengelola, dan memanfaatkan warisan budaya untuk memajukan sektor pariwisata. Data dikumpulkan melalui wawancara dan melakukan analisis kualitatif. Keberhasilan dalam melestarikan dan memanfaatkan warisan budaya memerlukan kerjasama antara pemerintah, pelaku pariwisata dan masyarakat. Pelestarian dan pengelolaan warisan budaya harus berkelanjutan dan memberikan manfaat ekonomi bagi masyarakat. Untuk mengembangkan suatu destinasi wisata menjadi tujuan wisata yang menarik diperlukan upaya perencanaan yang matang, pengelolaan warisan budaya serta memastikan pertumbuhan pariwisata bermanfaat positif bagi masyarakat sekitar.
KUALITAS AIR TAMBAK BUDIDAYA IKAN KERAPU CANTANG DI KECAMATAN BRONDONG KABUPATEN LAMONGAN BERDASARKAN EVALUASI KESESUAIAN LAHAN Firdaus, Muhammad Andi; Joesidawati, Marita Ika
Jurnal Ruaya : Jurnal Penelitian dan Kajian Ilmu Perikanan dan Kelautan Vol 12 No 2 (2024): Jurnal Ruaya : Jurnal Penelitian dan Kajian Ilmu Perikanan dan Kelautan
Publisher : UNIVERSITAS MUHAMMADIYAH PONTIANAK

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29406/jr.v12i2.5924

Abstract

Luas tambak budidaya ikan kerapu di Kabupaten Lamongan adalah ± 9,322,860 m² yang sebagian besar di wilayah desa labuhan dan desa brengkok. Untuk mengetahui bahwa lokasi tambak budidaya kerapu masih layak digunakan sebagai kegiatan budidaya, maka sangat diperlukan perhitungan kesesuaian lahan terutama kualitas air tambak. Penentuan stasiun penelitian dilakukan dengan menggunakan metode purpose sampling di area tambak dusun cumpleng desa brengkok, dengan kultivan ikan kerapu sejak tahun 2016. Pengambilan data kualitas air secara in-situ pada bulan Mei-Juni 2023 pada 3 (tiga) lokasi tambak. Metode evaluasi kesesuaian lahan terhadap kualitas air dengan cara menggabungkan beberapa parameter kualitas air sehingga diperoleh parameter karakteristik lahan, kemudian parameter tersebut dianalisis dengan metode matching untuk mendapatkan kelas kesesuaian lahan. Selanjutnya dengan menggunakan software GIS dilakukan penskoran dan pembobotan. Hasil penelian pada 3 (tiga) lokasi penelitian menunjukkan nilai skor S1 tambak 1 adalah 70 (sangat sesuai) begitu pula tambak 2 (66/sangat sesuai) dan tambak 3 (68/sangat sesuai).
DETEKSI SEBARAN TERUMBU KARANG MENGGUNAKAN CITRA SENTINEL-2 DI KEPULAUAN KARIMUNJAWA, JAWA TENGAH Murdiniyati, Any Dian; Joesidawati, Marita Ika
Jurnal Ruaya : Jurnal Penelitian dan Kajian Ilmu Perikanan dan Kelautan Vol 12 No 2 (2024): Jurnal Ruaya : Jurnal Penelitian dan Kajian Ilmu Perikanan dan Kelautan
Publisher : UNIVERSITAS MUHAMMADIYAH PONTIANAK

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29406/jr.v12i2.5926

Abstract

Kepulauaan Karimunjawa termasuk dalam wilayah kecamatan Karimunjawa, Kabupaten Jepara, Propinsi Jawa Tengah, yang memiliki 30 pulau dengan ekosistem Terumbu Karang dibawah perairan pulau-pulau tersebut. Keberadaan terumbu karang sangat dibutuhkan oleh organisme laut yang hidup pada ekosistem tersebut. Penggunaan Sentinel-2 telah terbukti memiliki aplikasi yang menjanjikan dalam penginderaan jauh untuk mendeteksi adanya terumbu karang. Tujuan penelitian adalah untuk mengetahui luasan penyebaran terumbu karang di Kepulauan Karimunjawa yang memiliki luas perairan 110,000 ha. Data penelitian menggunakan citra sentinel-2 pada tahun 2022 resolusi piksel 10 meter untuk menganalisa sebaran terumbu karang. Pengolahan menggunakan empat kanal band, yaitu band 2,3,4 dan 8. Deteksi sebaran menggunakan metode Lyzenga, dan pengklasifikasikan menggunakan ISOCLASS Unsupervised. Hasil menunjukkan luasan terumbu karang sebesar 1828,19 ha, batuan/terumbu karang mati 1224,01 ha, pecahan karang 1487,21 ha, pasir 2854,83 ha, dan seagrass atau lamun 174,63 ha.
PENCEMARAN MIKROPLASTIK PADA TIGA TITIK TEMPAT PELELANGAN IKAN DI JAWA TIMUR Wahid, Abdul; Joesidawati, Marita Ika
Jurnal Ruaya : Jurnal Penelitian dan Kajian Ilmu Perikanan dan Kelautan Vol 12 No 1 (2024): Jurnal Ruaya : Jurnal Penelitian dan Kajian Ilmu Perikanan dan Kelautan
Publisher : UNIVERSITAS MUHAMMADIYAH PONTIANAK

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Sepanjang perairan Kabupaten Tuban hingga Lamongan berpotensi tinggi dalam pencemaran mikroplastik, berbagai kegiatan manusia mulai perindustrian, pelabuhan, perikanan (budidaya dan penangkapan), kepariwisataan, pemukiman yang secara tidak langsung sebagai lahan pembuangan limbah. Penelitian bertujuan untuk mengetahui kelimpahan mikroplastik pada beberapa jenis ikan di tiga titik tempat pelelangan ikan provinsi Jawa Timur yaitu tepatnya pada perairan Kabupaten Tuban hingga Lamongan, kemudian menganalisis terkait bentuk dan gambaran mikroplastik yang ditemukan pada organ pencernaan ikan. Metode penelitian kualitatif deskriptif dengan pengambilan sampel jenis ikan secara acak dari tempat pelelangan ikan secara bertahap sebanyak 10 ekor dari hasil tangkapan nelayan perairan utara laut jawa. Hasil penelitian menemukan bahwa terdapat kelimpahan mikroplastik pada jenis-jenis sampel ikan sebesar 0,18-7,86 partikel/individu. Hal ini diduga kondisi habitat pada lokasi penelitian mengindikasikan terdapat banyaknya mikroplastik. Bentuk dan gambaran mikroplastik yang ditemukan berjenis fiber, fragmen, dan film (transparan), namun jenis fiber paling banyak ditemukan di TPI Brondong Kabupaten Lamongan, disusul jenis fragmen dan paling sedikit jenis film yang ditemukan di TPI Kabupaten Tuban.
THE DETERMINATION OF THE DEPTH OF TPI PALANG’S HARBOUR BASIN TUBAN THROUGH CALCULATION OF TIDE COMPONENT Joesidawati, Marita Ika
Jurnal Segara Vol 19, No 1 (2024): April
Publisher : Politeknik Kelautan dan Perikanan Dumai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15578/segara.v19i1.10396

Abstract

Determination of the datum chart using the tide component can be used to determine the depth of the harbour basin. TPI Palang's harbour basin is often used as a place for mooring fishing boats, but it often happens that the ships get stuck before entering the haarbour basin. The type of fishing ship at the TPI Palang harbour basin is a payang boat with a draft depth of 2 m. The depth of the harbour basin measurement results in July 2017 was 8 m, while based on the bathymetric map is 12 m. Palang waters, in Tuban Regency is located in the North Sea of East Java, which is open water type, therefore the determination of the depth of the harbour basin is based on the state of the water, is 1.2 x ship draft, which is 2.4 m. The least square and the admiralty method were used to compare the best method in calculating the tidal component. Researchers used tidal data for August 2016- July 2017 obtained from BIG. The tidal type of the Palang waters is diurnal, with an F value for admiralty treatment of 5,160 with least square processing of 5,167. The correlation coefficient of the tidal component with admiralty processing occurs in K1-MS4 of 0.792, while the least square occurs in K1-M4 of 1.6. The result of the calculation of the tidal component of the least square is used to determine the value of the datum chart. The IHO (International Hydrographic Organization) datum chart is used as a basic reference for calculating the depth of the TPI Palang harbour basin. The results show that the required depth of Palang waters in the existing condition (8 m) still requires dredging between 0.033 - 1.071 m. However, to meet the standard of the harbour basin, the required depth is 13,071 m (from LWS) to 13,557 m (from LLWS) which means that the dredging of the harbour basin is about ± 4 m.
Qualitative Study: Comparison of Implementation of The Effectiveness of the Ethno-Religious-Based SAVI Model in Improving Problem-Solving Skills in PAI Learning Amiruddin Abdullah; Ari Wijayanti; Wiwid Suryono; Marita Ika Joesidawati; Ahamd Zain Sarnoto; Siti Fatimah Hiola; Aat Ruchiat Nugraha; Windy Dian Sari; Sukini Sukini; Tomi Apra Santosa
Jurnal Obsesi : Jurnal Pendidikan Anak Usia Dini Vol. 8 No. 5 (2024)
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/obsesi.v8i5.6192

Abstract

This study aims to determine the effectiveness of the Ethno-Religious-based SAVI model on students' problem-solving ability in PAI learning meta-analysis.  The eligibility criteria in this study are a) research data obtained from the Google Scholar database, ProQuest, ERIC and Wiley, b) The research must be indexed by the Science Technology Index (SINTA), Scopus and Wos, c) The research topic must be relevant, d) the research is published in the 2020-2023 range, d) the publication must have a score of (r), (t) or F, e) the level of education of the participants, namely elementary, junior high and high school and the sample size of this research > 30 students.  Data analysis with the help of JSAP 0.8.5 application. The results of this study are 1) 18 studies analyzed are heterogeneous and normal, 2) there is an influence of ethno-religious-based SAVI model on students' problem-solving ability in PAI learning with a high effect size category (p < 0.001 ; rRE = 1.12 and 3) in this study there is no publicity bias. These findings provide information that the ethno-religious-based SAVI model is effective in improving students' problem-solving skills in PAI learning.
Implementasi Lesson Study Menggunakan Model Problem Based Learning Berbantuan Snowball Throwing untuk Meningkatkan Hasil Belajar IPAS Kelas 4 Sekolah Dasar Erna Wulandari; Marita Ika Joesidawati; Puji Sri Handayani
Jurnal Penelitian Pendidikan Indonesia (JPPI) Vol. 2 No. 3 (2025): April
Publisher : Publikasi Inspirasi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62017/jppi.v2i3.4349

Abstract

Penelitian ini bertujuan untuk mengkaji implementasi lesson study menggunakan model Problem Based Learning (PBL) berbantuan snowball throwing dalam upaya meningkatkan hasil belajar siswa pada mata pelajaran Ilmu Pengetahuan Alam dan Sosial (IPAS) kelas IV sekolah dasar. Penelitian ini menggunakan metode Penelitian Tindakan Kelas (PTK) berbasis lesson study dengan dua siklus pelaksanaan. Setiap siklus terdiri dari perencanaan, pelaksanaan, dan refleksi, yang dilakukan melalui kolaborasi antara peneliti, guru pamong, dan dosen pembimbing. Data dikumpulkan melalui observasi, penilaian hasil tes, dan lembar observasi aktivitas siswa. Hasil penelitian menunjukkan adanya peningkatan yang signifikan dalam hasil belajar siswa antara siklus 1 dan siklus 2. Pada siklus 1, ketuntasan belajar siswa mencapai 70%, sementara pada siklus 2 meningkat menjadi 80%. Aktivitas siswa juga meningkat, dengan skor rata-rata aktivitas siswa pada siklus 1 mencapai 80 dan meningkat menjadi 90 pada siklus 2. Penerapan model PBL dengan teknik Snowball Throwing terbukti dapat meningkatkan keterlibatan siswa, memfasilitasi kolaborasi, serta meningkatkan hasil belajar kognitif siswa. Penelitian menyarankan bahwa penerapan metode ini dapat menjadi alternatif inovatif dalam pembelajaran IPAS di sekolah dasar untuk menciptakan suasana belajar yang lebih interaktif dan menyenangkan, sehingga tujuan pembelajaran akan mudah tercapai.
Co-Authors A, Aunurohim Aat Ruchiat Nugraha Abdul Wahid Abdul Wahid Nuruddin Abdullah, Amiruddin Agung Adi Prasetia Agung Adi Prasetia Ahamd Zain Sarnoto Ahmad Zain Sarnoto Ainur Rochmah Amaludin Arifia AMBARIYANTO AMBARIYANTO Ambariyanto , Amir Yarkhasy Yuliardi Amiruddin Abdullah Anci, Anci Andik Adi Suryanto Anggraini, Susanti Dhini Anisah , Afro’ Ardelia Humaimah Denatri Ardiansyah, Wisnu Ardiyanto Maksimilianus Gai Ari Wijayanti Ari Wijayanti Arif Tribina Arifin, Ahmad Zaenal Bimo Aji Widyantoro Dewi Fortuna Nurama Dewi Hidayati Djunarlin Tojang Dwijayani, Henny Edwin Setiawan EKA MAYA KURNIASIH Eka Maya Kurniasih, Eka Maya Erna Wulandari F, Fauziah Fadiana, Mu’jizatin Fajar Rahmawan Fatchiatuzahro Firdaus, Muhammad Andi Fitrah Adelina Gentio Harsono Handayani, Fitrianti Hiola, Siti Fatimah Ilham Antariksa Tasabaramo Kholilah, Nenik Kurniawati Kurniawati La Mpia Luhur Moekti Prayogo Mahardika, Agus Maisaroh, Dian Sari Marandi Eko Wibowo Maretik, Maretik Mega Nurhana Muhammad Hanif Mulyadi, Yeyes Murdiniyati, Any Dian NENIK KHOLILAH NI KADEK DITA CAHYANI Ni Kadek Dita Cahyani, Ni Kadek Dita NINING NURSALIM Nova Maulidina Ashuri Nursalim, Nining Nuruddin, Abdul Wahid Nurul Islamiyah P., Lutfi Anjar Yogi P. Pattiruhu, Fransisca Jallie Puji Sri Handayani Raka Nur Sukma Rian Aldi Riska Andriani Risti Kamila Wening Estu Ruswanto S, Suwarsih Safari, Apay Saiful Bahri Saleh, Ramlah Santosa, Tomi Apra Sari, Windy Dian Septy Heltria Siti Fatimah Hiola Spanton, Perdana Ixbal Sriwulan, Sriwulan Sukini Sukini Sukini, Sukini Suryono, Wiwid Susanti Dhini Anggraini Suwarsih Suwarsih Suwarsih Suwarsih Suwarsih Suwarsih Suwarsih Suwarsih Suwarsih Suwartiningsih Syahroni, Nur Syehrina Aldiana Tomi Apra Santosa Wahyudi, Muhammad Henry Wibowo, Marandi Eko Widya Devi Febianti R.S Windy Dian Sari Wiwid Suryono Yahya Abdillah Al Hanif Zaimah, Nely Rahmawati Zaimah, Nely Rahmawati Zaimah