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Journal : Jurnal Biologi Tropis

Meta-Analysis: Seasonal Variations in pH Concentration and Their Impact on River Water Quality Oktaviani, Eva; Marpaung, Sutan Sahala Muda; Kurniawan, Hendra; Syah, Firman
Jurnal Biologi Tropis Vol. 25 No. 4 (2025): Oktober-Desember
Publisher : Biology Education Study Program, Faculty of Teacher Training and Education, University of Mataram, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jbt.v25i4.10216

Abstract

Water is a vital resource, yet its quality is increasingly affected by climate change and human activities. Seasonal variations, particularly between dry and rainy periods, may influence river water quality, with pH serving as a key chemical parameter. This study aimed to examine the effect of seasonal differences on river water pH levels using meta-analysis. The objective was to provide evidence of whether rainfall patterns significantly alter pH concentrations in tropical and subtropical regions. Relevant literature was collected from online databases using keywords such as “water pollution,” “dry season,” and “wet season.” Out of more than 40 studies, four articles with complete seasonal pH data were selected. Data were processed using OpenMEE software with a random-effects model, and the log response ratio (lnRR) was applied to compare pH values between dry (control) and rainy (treatment) seasons. The analysis revealed no significant seasonal differences in pH levels. The overall effect size was weak (–0.758), with the 95% confidence interval crossing zero. Heterogeneity among studies was high (I² = 80.325%), yet subgroup analyses by region, climate, and location confirmed consistent results. In conclusion, river water pH in tropical and subtropical areas remains relatively stable across seasons, influenced by steady climate conditions, well-mixed water bodies, and consistent vegetation. Broader datasets, especially from Indonesia, are needed to validate these findings.
Co-Authors - Nurjoko Abdi Darmawan Abdullah Merjani, Abdullah Acihmah Sidauruk Ade Moussadecq Adrin, Adrin Adytama, Muhammad Rezky Agung Pradana Agus Mulyana Agus Rahardi Ahmad Sabri Ahmad Soleh Amrullah, Ahmad Nur Hakim Angelina, Eleonora Anggraeni, Yessy Anggreiny, Cut Dini ANIK KUSMIATUN Anita Dewi Purwati Antoni Suseno Ardiansyah, Ardian Ardiansyah Ardiansyah, Muhamad Iqbal Arif Rahman Hakim Aritonang, Hironius Asyer Keith Ariza, Fauziah Nur Arty, Budi Asalang, Protus Hyasintus Ascarya, Farrel Asnah Asnah Assyfa, Zahra Putri Astutik Astutik Asvinia, Made Astri Aulia, Tazkia Azima, Muhammad Fauzan Bagus Prihadi Budiyono (SINTA ID : 6185108), Debora Budiyono, Debora Chiara, Novita Adya Damayanti, Irah Dani Rofianto Daniel, Prima Audia Darjat Sudrajat, Darjat Darma Satria Davinsy, Rynaldi Deni Firmansyah Denny Andreas Denny Kurniawan Desi Ratna Sari, Desi Ratna Dewi, Deshinta Arrova Dian Indah Sari Dina Warsahanda Dona Yuliawati Edi Edi Pranyoto Egi Safitri Fahmi, Ali Fahriza, Ahmad Zulfa Fahruridho, Chicha Aprilia Fajri, Ika Nur Falahudin, Anisa Findia Fatahillah, Dimas Fazhar Sumantri Firman syah, Firman Fitria - Fitria Fitria Frisca Florensia Giannakos, Antonios Guswati, Jeni Vira Halimah Halimah Handoko, Melyani Harijanto Wijaya Hasibuan, M.S. Hermanto HERMANTO Herwanto, Riko Herwanto, Riko Hidayat Hidayat Hikmah Hikmah Hovivah, Hovivah Ihsan, Fathir Indah Sukma Wahyuni Irawan Setyabudi Irianto, Suhendro Y. Irmanelly, Irmanelly Jeki, Jeki Juliani, Duwi Jumanto Jumanto, Jumanto Kaban, Anggi Rona BR Khairunisa, Titi Khalisa, Ighra Khoiruddin, Lukman Ko Ko Htet, Kyaw Kurniawan, Tri Basuki Lilik Joko Susanto Lina Karlinasari Luh Titi Handayani, Luh Titi M Yusendra M. Zaky Fanany Zaky Maensya, Alendra Natuah Maghfiroh, Miftahul mahdi mubarok Marbun, Elsa Agustin Maria, Okta Mariyam, Luayyi’ Dewi Melda Agarina Mochammad Imron Awalludin Mohammad Muslich Muchsin, Gaisha HA. Muhamad Ariza Eka Yusendra Muhammad Ariza Eka Yusendra Muhammad Aulia Rahman Muhammad Fauzan Azima Muhammad Redintan Justin Muhammad Sahri Muji Lestari Mukti, Jauhar Muktiawan, Danang Ade Mu’awana, Saiti Nadhir, Ahnaf Ronaldo Nana Supriatna Nasution, Nur Ati'ah Nauval, Iflan Neldawati, Rika Neni Purwati Nikentari, Nerfita Nopemnanu, Habel Martin Novi Herawadi Sudibyo Nujaima, Ismi Nurjoko Nurlistiani, Rini Nursiyanto Nurul fadillah, Nurul Oktaviani, Eva Oscar, Gusnanda Pangolangan Harahap, Cyndi Aulia Pasaribu, Gusti Aprila Pedliyansah, Yogi Permana, Sendy Pratama, Raynaldo Syah Pratama, Wanda Andika Pratiwi, Gadis Kartika Putra, Iwan Eka Putra, Rizky Samjaya Putri, Lora Septrianda Raden Abdurrahman Rahayu, Yunie Ramadhan, Rizki Aditya Revy, Ramzy Aranzha Riedanto, Muhammad Bayu Adithya Rifqatunnisak, Rifqatunnisak Rina, Timotius Ragga Rini Nurlistiani Rini Tri Astutik Ritha, Nola Rizal, Ruki Rohiman Rohiman Rohiman Rohiman Romadona, Romadona Rosdiana, Yanti Rossa Wulandari Rovy Pratama, Rovy Ruki Rizal Rusadi, Nusrah Sadri, Irsad Safitri, Egi Safitri, Rosi Mega Sahda, Dianita Saparudin Saparudin Saputra, M Hardi Saputra, Panggih Prabowo Rona Sasya Nadira Semu, Yuslan Demma Septiawan, Yuda Simbolon, Fidelis Simbolon, Lasro Dearma Br Siswoyo Siswoyo So, Kristianto Wibison Solehudin, Didin Solly Aryza Sri Andika Putri Sri Karnila Sri Karnila Sri Karnila Sri Karnila Karnila Sri Lestari Sri Muryati Sri Rahayu Stefanus Rumangkit Stefanus Rumangkit Sudrajat, A. Suherman, Suherman Sumarya, Edi Sumiati, Astri Suntono, Annita Rosliana Supriyadi Susanti Susanti Susanti Susanti Susanto, Lilik Joko Sushanty Saleh Susilawati , Esti Sutedi Sutedi Syahrizal Syahrizal Syidada, Amran Rahman Telnoni, Sipora Petronela Theresia, Sumini Tri Erri Astoeti Triyasri, Novita Valensia, Alda Caesar Via Lailatur rizki Wicakso Bandung Bondowoso Widijanto Sudhana Wijaya, Nanda Y, M Ariza Eka Y. Suhendro Yama, Tri Melda Yan Aditiya Pratama Yoga Pristyanto Yogi Pedliyansah Yudiyanto, Muhammad Resa Arif Yulifar, Leli Yuni Arkhiansyah Yusminar Yusminar Yusminar Yusminar Zahra