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Ecological Pressures In Pusong Harbour: Integrated Assessment Of Water Quality, Nutrient Enrichment, And Pollution Index 'Akla, Cut Meurah Nurul; Lubis, Malik Pajar; Erniati, Erniati; Firdaus, Rian; Imamshadiqin, Imamshadiqin; Imanullah, Imanullah
Jurnal Kelautan Vol 18, No 3: Desember (2025)
Publisher : Department of Marine Sciences, Trunojoyo University of Madura, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21107/jk.v18i3.31725

Abstract

ABSTRACTPusong Harbor in Lhokseumawe City doubles as a center for fisheries activities as well as a habitat for marine biota, making it vulnerable to pollution pressure from anthropogenic activities. This study aims to assess water quality through the analysis of physico-chemical parameters, nutrient content (nitrate and phosphate), pollution index, and spatial variation patterns using a multivariate approach. Measurements were taken at three stations representing the locations of boat moorings, settlements, and fish farms. The measurement results showed that basic parameters such as salinity (32-33‰), pH (7.5-8.0), dissolved oxygen (5.8-6.3 mg/L), and BOD (1.6-3.6 mg/L) were still within the quality standard range, but the brightness level was low (0.8-0.9 m) and the phosphate concentration was very high (7.2-10.1 mg/L), exceeding the quality standard by hundreds of times. The pollution index based on the harbor quality standard showed a Slightly polluted (PI = 1.09-1.11), but based on the marine biota quality standard it was classified as "heavily polluted" (PI = 10.3-10.9). PCA analysis identified phosphate and BOD as the dominant factors differentiating water quality, while temperature, salinity and DO were more reflective of natural conditions. Cluster analysis showed that stations 1 and 3 were similar, while station 2 differed significantly due to local pressures. This finding confirms the serious ecological pressures in the harbor area, especially due to excessive nutrient loads, and calls for pollutant control strategies and continuous monitoring to maintain the sustainability of coastal ecosystems. The study highlights the urgent need to address nutrient-driven pollution in Pusong Harbor, where phosphate concentrations exceed marine biota standards by hundreds of times despite most basic water parameters remaining within acceptable limits. This excessive nutrient load poses a serious threat of eutrophication, habitat degradation, and loss of biodiversity in a harbor that supports both fisheries activities and critical marine life. By integrating physico-chemical measurements, nutrient analysis, and multivariate statistics, the research identifies phosphate and BOD as key pollution drivers and reveals spatial variation linked to human activities. These findings provide evidence-based guidance for local management and policy, calling for targeted pollutant control and continuous monitoring to protect coastal ecosystems. The multivariate framework also offers a replicable approach for similar small-harbor environments across Southeast Asia.Keywords: water quality, pollution index, PCA, cluster, nutrients, Pusong Harbour
EFEKTIVITAS MODEL READING GUIDE DALAM MENINGKATKAN HASIL BELAJAR DAN KARAKTER SISWA SDN 143 INPRES LEKO KABUPAATEN MAROS Rimawati, Rimawati; Ashari Hamzah, Rahma; Erniati, Erniati
JURNAL PENDIDIKAN DASAR Vol. 13 No. 2 (2025): Desember 2025
Publisher : STKIP Melawi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46368/jpd.v13i2.4528

Abstract

Abstract: This study examines the effectiveness of the reading guide model in improving Indonesian language learning outcomes and strengthening the character of fourth-grade students at SDN 143 Inpres Leko, Maros Regency. The background of the study is the low academic achievement, where only 30.76% of 26 students achieved the KKTP. With a pre-experimental design of one group pretest-posttest and observation, test, and documentation instruments, the analysis results showed a significant increase in the average score after the implementation of the model, evidenced by the Wilcoxon test (sig. <0.05). In addition, there was a development in student character, especially in the aspects of discipline, responsibility, and cooperation. These findings confirm that the reading guide model is effective in improving learning outcomes while shaping student character. Keywords: reading guide, learning outcomes, character   Abstrak: Penelitian ini mengkaji efektivitas model reading guide dalam meningkatkan hasil belajar bahasa Indonesia dan penguatan karakter siswa kelas IV SDN 143 Inpres Leko, Kabupaten Maros. Latar belakang penelitian adalah rendahnya capaian akademik, di mana hanya 30,76% dari 26 siswa yang mencapai KKTP. Dengan desain pra-eksperimen one group pretest-posttest serta instrumen observasi, tes, dan dokumentasi, hasil analisis menunjukkan adanya peningkatan signifikan pada nilai rata-rata setelah penerapan model, dibuktikan melalui uji Wilcoxon (sig. < 0,05). Selain itu, terjadi perkembangan karakter siswa, khususnya pada aspek disiplin, tanggung jawab, dan kerja sama. Temuan ini menegaskan bahwa model reading guide efektif dalam meningkatkan hasil belajar sekaligus membentuk karakter siswa. Kata Kunci: reading guide, hasil belajar, karakter
Co-Authors 'Akla, C. M. N. A, Salimin Abdul Malik Abu Bakar Tumpu Ainun, Asri Aulia Alannasir, wahyullah Amrullah Amrullah Andi Alim, Andi Andi Anirah Andi Mappatompo Andi Nurul Hidayat Andika Syahputra, Andika Andika, Yudho Aprilita, T. Salsa Arbain Tata Ardiansyah, A. Ariefin, Moch. Irsyad Arini Junaeny Arlin Adam, Arlin Ashraf, Ashraf Asrianto, La Ode Astarina, Wa Ode Fina Ayu Andira Baru, La Basire, Jumri Hi. Tahang Chindra, Chindra Cut Meurah Nurul ‘Akla Daulay, Anggi Mayulina Dede Robiatul Adawiyah Desi, Natsar Dila, Nuriana Dirman, Eris Nur Dwi Syukriady Eko Susanto Endang Prangdimurti Erlangga Erlangga Ermawati Ermawati Erwin Nurdiansyah Fatimah Saguni Fatmeriany, Fatmeriany Firdaus, Rian FRANSISKA RUNGKAT ZAKARIA Gunawan, Suwardi Gusnarib, Gusnarib Gusty, Sri Haeriska, Haeriska Hamri, Amar Ma’ruf Handayani, Meutia Harun, A. Muh. Yusuf Harun, Muh. A. Yusuf Hasiu, Teti Susliyanti Hasmar, Hasmar Hattu, Edwin P. Ibrahim, Muhammad Rivani Idhan, Mohamad Imamshadiqin, Imamshadiqin Imanullah, Imanullah Indrayani, Popy Indriani, Shinta Ira Diana, Ira Irmayunita, Irmayunita Islamiyah Islamiyah, Islamiyah Islamiyyah, Islamiyyah Ismail Marzuki Jamilah Jamilah Jumri Hi Thahang Basir Jumriati, Jumriati Kaddas, Badruddin Kamridah Karmawati Karmawati Lapinangga, Nina J. Laumal, Folkes E. Lazuardi, Rafly Lubis, Malik Pajar Mahdaliana, Mahdaliana Marfudin, Marfudin Marisa Khairina, Dyna Maslan, Maslan Masyithah, Putri Mataniari, Azhari Maulana, Sanja Mauliyani, Mauliyani Miftakhul Huda Misbahul Jannah Mistiani, Wiwin Mohammad Djamil M Nur Mudarsep, Mudarsep Muhammad Chaerul Mukhlis Mukhlis Muliani Muliani, Muliani Muliari Muliari Munawwar Khalil, Munawwar Musakkar, Mustika Eka Pratama Muttaqin, Kunkun Zainal Nadya Humairah Ramadhany Nafila Naima Naima Nazroi, Arkom Neliana, Neliana Nur Hikmah Nurdin Nurdin Nurfadillah Rahman Nurfatia Nurfatia Nurhidayanti, Nurhidayanti Nursyam Nursyam Pakalessy, Aisa Parida, Parida Polnaya, Fransin Prama Hartami Pramita, Susi Prasetyo, Repki Pratama, Arkandithya Naufal Pratiwi, Bengi Putra, M. Afif Tri Putri, Herwina Rahayu R. Sapto Hendri Boedi Soesatyo Rachmawati Rusydi, Rachmawati Rahma Ashari Hamzah Rahmad Rahmad Rahmadian, Alfina Wahyu Rahman, Arif Didi Rahmawati, Rahmawati Ramadansyah, Syahrul Reni, Wa Ode Retoliah Retoliah Rimawati, Rimawati Riri Ezraneti Ritnawaty, Ritnawaty Ritonga, Gara Hasonangan Rizalul Fikri, Rizalul Rizka Amalia Rizky Kurniawan Romadhoni, Buyung Room, Rusdi Rusdin Rusdin Ruzanna, Arina S, Herawati Arief Safrudin Safrudin Sagaf S. Pettalongi Sagir Muhammad Amin Saiful Adhar Salahuddin Salahuddin Sanjoko, Yohanis Satya Putra, Muhammad Yulianda Selvi, Nurhayati Sinaini, La Sitanggang, Hizrah Ayumi Sitti Nadirah Sri Hastati Sucahyo, Lilis Suhaila, Nurul Suharnis, Suharnis Suhasni, Suhasni sulkarnain, sulkarnain Supriadi Supriadi Supriyanto Supriyanto SYAHRIAL SYAHRIAL Syam, Syamsinar Syamsiar, Syamsiar Syukriadi, Dwi Tasya, Tasya Tauladan, Toha Ali Ubadah Ubadah, Ubadah Ubay Harun Unggul Wahyono Wahyuni, Elvi Walsen, Anthony Wijaya, Dendi Yulistia, Elva Dwi Zulpikar, Zulpikar