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Edukasi Pelestarian Situs Ngimbang Melalui Eksplorasi Terbimbing Siswa SMK Muhammadiyah 3 Ngimbang farikhah; Triana Retno Palupi; Rini Puji Astutik; Yuni Atmy; Ahmad Saiful Muzaqi; Fajar Andi Wijayanto
Abdi Laksana : Jurnal Pengabdian Kepada Masyarakat Vol 6 No 2 (2025): Abdi Laksana : Jurnal Pengabdian Kepada Masyarakat
Publisher : LPPM Universitas Pamulang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32493/abdilaksana.v6i2.48657

Abstract

Situs Ngimbang, yang meliputi Prasasti Watugurit dan kolam alami Sendanggede, rentan mengalami kerusakan akibat faktor alam dan aktivitas manusia. Hingga kini belum ada upaya edukatif yang secara langsung ditujukan untuk meningkatkan kepedulian masyarakat, terutama generasi muda, terhadap pelestarian situs ini. Kegiatan ini bertujuan untuk memberikan edukasi kepada pemuda lokal melalui metode eksplorasi terbimbing. Program dilaksanakan pada November 2024 di SMK Muhammadiyah 3 Ngimbang dan Situs Ngimbang. Sebanyak 15 siswa mengikuti rangkaian kegiatan yang terdiri dari pembelajaran klasikal, diskusi, dan observasi lapangan yang difasilitasi oleh akademisi dan ahli sejarah. Hasil kegiatan menunjukkan peningkatan pemahaman siswa terhadap aspek historis dan ekologis situs, termasuk identifikasi kualitas air dan keberadaan organisme perairan. Temuan adanya spesies invasif seperti ikan louhan dan tungau darat di perairan menegaskan pentingnya pelestarian berkelanjutan.
Reproductive strategies and gonadal characteristics of indonesian green mussel Perna viridis in Banyuurip Bay: environmental and seasonal influences Farikhah Farikhah; Triana Retno Palupi; Dedi Fazriansyah Putra; Hany Handajani
Arwana: Jurnal Ilmiah Program Studi Perairan Vol 7 No 1: May 2025
Publisher : Program Studi Akuakultur, Fakultas Pertanian, Universitas Almuslim

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51179/jipsbp.v7i1.3291

Abstract

This study aimed to examine the gonadal characteristics and reproductive strategies of the green mussel Perna viridis in Banyuurip Bay, Java Sea, Gresik Regency, Indonesia, with a focus on oocyte size, gonad morphology, and seasonal variations in reproductive activities. Micromorphological and field observations analysis revealed that the gonad, the site of gametogenesis in female mussels, is characterized by an orange colour. In contrast, in males, it is creamy white. During gametogenesis, the diameter of the oocyte increases from 0.28 to 0.60 μm at the oogonia stage and to 1.17 to 3.19 μm when it becomes a vitellogenic oocyte. Significant daily and seasonal variations are observed, which may contribute to high environmental pressure on the population. The green mussel population continues to grow despite ecological disturbances, including food scarcity and high levels of pollution, which are exerting pressure on the population. The significantly smaller oocyte size compared to other populations was identified as a potential adaptation to these challenges. These findings underscore the importance of understanding reproductive strategies to support sustainable mussel cultivation and effective management, particularly in areas characterized by fluctuating environmental conditions.