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All Journal International Journal of Applied Power Engineering (IJAPE) International Journal of Public Health Science (IJPHS) AQUATIC SCIENCE & MANAGEMENT Jurnal Presipitasi : Media Komunikasi dan Pengembangan Teknik Lingkungan Jurnal Ilmu Lingkungan Journal of Marine Research CogITo Smart Journal JITK (Jurnal Ilmu Pengetahuan dan Komputer) Jurnal Serambi Engineering Indonesian Journal of Chemical Analysis (IJCA) Ekuilibrium : Jurnal Ilmiah Bidang Ilmu Ekonomi Region : Jurnal Pembangunan Wilayah dan Perencanaan Partisipatif Desa-Kota : Jurnal Perencanaan Wilayah, Kota, dan Pemukiman International Journal of Marine Engineering Innovation and Research Journal of Geography Science and Education Journal of Sustainable Infrastructure International Journal of Renewable Energy Development GeoEco Jurnal Kesehatan Masyarakat Biodiversitas Journal of Biological Diversity
Sapta Suhardono
Department Of Environmental Science Faculty Of Mathematical And Natural Sciences Universitas Sebelas Maret
Agriculture, Biological Sciences & Forestry Humanities Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Physics Public Health Social Sciences Transportation

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Anticipated climate changes reveal shifting in habitat suitability of high-altitude selaginellas in Java, Indonesia AHMAD DWI SETYAWAN; Jatna Supriatna; Nisyawati; Ilyas Nursamsi; SUTARNO SUTARNO; SUGIYARTO SUGIYARTO; SUNARTO SUNARTO; Prakash Pradan; SUGENG BUDIHARTA; ARI PITOYO; SAPTA SUHARDONO; PRABANG SETYONO; MUHAMMAD INDRAWAN
Biodiversitas Journal of Biological Diversity Vol. 21 No. 11 (2020)
Publisher : Society for Indonesian Biodiversity

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13057/biodiv/d211157

Abstract

Abstract. Setyawan AD, Supriatna J, Nisyawati, Nursamsi I, Sutarno, Sugiyarto, Sunarto, Pradan P, Budiharta S, Pitoyo A, Suhardono S, Setyono P, Indrawan M. 2020. Anticipated climate changes reveal shifting in habitat suitability of high-altitude selaginellas in Java, Indonesia. Biodiversitas 21: 5482-5497. High-altitude ecosystems with humid and cool climate are the preferred habitat for some Selaginella species (selaginellas). Such habitats are available in Java, Indonesia, which also has fertile soils with rich mineral contents resulted from volcanic activities. However, the high-altitude ecosystems in Java are threatened by various anthropogenic activities as well as changes in climate conditions, potentially affecting some Selaginella species. This study aimed to investigate the shift in suitable habitat of four species of high-altitude Selaginella spp. (Selaginella involvens, S. opaca, S. ornata, and S. remotifolia) in Java Island under current and future climate conditions predicted by several representative greenhouse gas concentration pathways. Presence data of Selaginella localities were collected from field survey between 2007 and 2014 across the island, as well as occurrence points from the Global Biodiversity Information Facility database. A total of 1,721 occurrence points data along with environmental and climate data were used to develop species distribution models using MaxEnt. Future habitat distributions were projected under four climate scenarios to see the shift in suitable habitat and altitudinal ranges. The results showed that the distribution of the four high-altitude Selaginella species are strongly influenced by altitude, annual average temperature, and annual rainfall. In the present time, 37.32% (48,974 km2) of the area of Java has been predicted to be suitable for high-altitude Selaginella. Under the optimistic climate scenario (RCP 2.6), the highly suitable area will likely to decrease by almost 35% in the year 2080, whereas the medium and low suitable areas will reduce by about 37.2% and 18.3%, respectively. Under the pessimistic scenario (RCP 8.5), about 21.2% of low suitable areas will be lost in 2080, whereas the medium and highly suitable areas are predicted to decrease by around 38.1% and 33.4%, respectively. Under the pessimistic scenario, there will be upward shift by 51.1 m in the year 2030 from the current’s mean altitude and will shift by almost 150 m in the year 2080. The maximum altitude of predicted suitable habitat is also predicted to increase to reach almost 3500 m asl in the year 2080. The results of this study imply that habitat shift of four high-altitude Selaginella species varies depending on the scenario, but in all cases, the losses are greater than gains.
Sustainable Management and Community Willingness to Pay for Communal Wastewater Services in Yogyakarta Hashfi Hawali Abdul Matin; Julianatasya Tantri Damayanti; Siti Rachmawati; Sapta Suhardono; Lia Kusumaningrum; Budiyono Budiyono; Callista Fabiola Candraningtyas
Jurnal Presipitasi : Media Komunikasi dan Pengembangan Teknik Lingkungan Vol 23, No 2 (2026): July 2026
Publisher : Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/presipitasi.v23i2.663-683

Abstract

Domestic wastewater discharge into rivers remains a persistent environmental and public health challenge in rapidly urbanizing regions of developing countries such as China. Although communal wastewater treatment systems have been increasingly implemented, empirical studies integrating community willingness to pay (WTP), behavioral determinants, and sustainability planning are limited. This study analyzes community willingness to pay for communal wastewater treatment services and formulates sustainability-oriented strategies for the Sewon Communal Wastewater Treatment Plant (WWTP) in the Special Region of Yogyakarta, Indonesia. A mixed-methods approach combined a survey of 100 households with interviews and a document analysis. WTP was estimated using the contingent valuation method with a payment card format, while behavioral determinants were examined using covariance-based Structural Equation Modelling (SEM) with AMOS. Strategic formulation was conducted using SWOT analysis supported by IFAS and EFAS matrices based on validated SEM results. The results indicate a positive willingness to pay, with a mean of IDR 7,114 and a median of IDR 7,500. The SEM revealed that supporting institutional factors significantly influenced the WTP (X4 = 0.664; p < 0.01), whereas environmental perception and inhibiting factors were not statistically significant. These findings highlight the decisive role of institutional strength in ensuring the financial sustainability of the communal wastewater service
Community Participation in Urban Sanitation Programs at Koja, Jakarta, Indonesia Angga Dheta Shirajjudin Aji; Sapta Suhardono; Evi Siti Sofiyah; Betanti Ridhosari; Almira Davina Nastiti; Wisnu Prayogo; I Wayan Koko Suryawan
Jurnal Kesehatan Masyarakat Vol. 20 No. 3 (2025)
Publisher : Universitas Negeri Semarang in collaboration with Ikatan Ahli Kesehatan Masyarakat Indonesia (IAKMI Tingkat Pusat) and Jejaring Nasional Pendidikan Kesehatan (JNPK)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/kemas.v20i3.1990

Abstract

Urban sanitation remains a critical public health issue, with community participation recognized as a key factor in the success of sanitation programs. This study aims to explore the multi-dimensional factors influencing community participation in the urban setting of Koja. Through a mixed-methods approach, including surveys, interviews, and observational studies, we investigated how socio-demographic factors such as age, gender, income, and occupation, as well as aspects of sanitation governance, infrastructure, and educational interventions, interplay to affect community engagement. The study revealed that while infrastructure and access are crucial, socio-economic and gender-related barriers significantly impact participation levels. Educational level emerged as a strong predictor of engagement, indicating that awareness and knowledge play a critical role in motivating community involvement. Furthermore, sanitation governance and the quality of policies and monitoring were found to be instrumental in shaping public attitudes towards participation. The research highlights the necessity for integrated and inclusive sanitation policies that address the local context and socio-economic diversity of urban populations. The findings underscore the importance of targeted educational campaigns and the fostering of collaborative community relationships to enhance participation in sanitation programs. This study contributes to the discourse on urban sanitation by providing a nuanced understanding of the complex factors at play in community-based sanitation efforts, offering insights for policymakers to improve public health outcomes.
Impacts of Sanitation Practices on Human Development: A Decade-Long Analysis of the Malang District Angga Dheta Shirajjudin Aji; Sapta Suhardono; I Wayan Koko Suryawan; Wisnu Prayogo
EKUILIBRIUM : JURNAL ILMIAH BIDANG ILMU EKONOMI Vol 19 No 2 (2024): September
Publisher : Universitas Muhammadiyah Ponorogo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24269/ekuilibrium.v19i2.2024.pp276-288

Abstract

This study explores the influence of various sanitation practices on the Human Development Index (HDI) in the Malang District from 2011 to 2020. Employing a multiple linear regression analysis, the research examines the relationship between the HDI and five critical sanitation practices: access to wastewater treatment plants, open defecation prevalence, septic tank usage, and direct waste disposal into water bodies and onto land. Secondary data was sourced from the Badan Pusat Statistika of Malang District, ensuring robust and authoritative information spanning over a decade. Preliminary diagnostics were performed to affirm the data's suitability for regression analysis. The results indicated a significant negative impact of direct disposal into water bodies on HDI, emphasizing the critical role of effective waste management practices in promoting human development. The study underscores the need for integrated policy approaches that address sanitation infrastructure improvements, environmental protection, and education on public health practices. This paper contributes to the literature by quantifying the effects of sanitation on human development over an extended period. It offers evidence-based recommendations for policymakers to support sustainable development goals in the region.
Co-Authors Adhistie Fadila Setyaputri Adicita, Yosef AHMAD DWI SETYAWAN AHMAD DWI SETYAWAN AHMAD DWI SETYAWAN Ahmad Zulfikar Almira Davina Nastiti Annisa Fillaeli Annisa Kamilia Nastiti Anshah Silmi Afifah ARI PITOYO ARI PITOYO Ari Rahman Ariyanti Sarwono Aura Dhia Rizki Atthar Budiyono Budiyono Callista Fabiola Candraningtyas Callista Fabiola Candraningtyas Callista Fabiola Candraningtyas Danila Desti Ramadhani Dendra, Syahda Hati Desi Paskalia Tinambunan Evi Siti Sofiyah Fatimah Dinan Qonitan Fikri Arkan Maulana Fikri Damara Glora Ramadhani Harryes, Regil Kentaurus Harryes, Regil Kentaurus Hashfi Hawali Abdul Matin Hashfi Hawali Abdul Matin Hashfi Hawali Abdul Matin I Wayan Koko Suryawan I Wayan Koko Suryawan I Wayan Koko Suryawan I Wayan Koko Suryawan I Wayan Koko Suryawan I Wayan Koko Suryawan I Wayan Koko Suryawan I Wayan Koko Suryawan ILYAS NURSAMSI ILYAS NURSAMSI Imelda Juniaty Sianipar Imelda Masni Juniaty Sianipar Inoue, Takanobu Iva Yenis Septiariva Iva Yenis Septiariva Iva Yenis Septiariva Iva Yenis Septiariva Iva Yenis Septiariva Iva Yenis Septiariva Iva Yenis Septiariva JATNA SUPRIATNA Julianatasya Tantri Damayanti Jun-Wei Lim Kato, Shigeru Kuntum Khoiro Ummatin Kuriko Yokota Lia Kusumaningrum Lia Kusumaningrum M. Faisi Ikhwali Mega Mutiara Sari Mega Mutiara Sari Mega Mutiara Sari Mega Mutiara Sari Mega Mutiara Sari Mega Mutiara Sari Meuthia Fadila Michael Yosafaat Moh Rizal Ngambah Sagara MUHAMMAD INDRAWAN MUHAMMAD INDRAWAN Niswatun Faria Nisyawati NISYAWATI NISYAWATI Notodarmojo, Suprihanto Nur Novilina Arifianingsih Nurulbaiti Listyendah Zahra PRABANG SETYONO PRABANG SETYONO Prabang Setyono PRAKASH PRADAN Pratiwi Claudia Gaina Prayogo, Wisnu Qurrotin Ayunina Maulida Okta Arifianti Rachmat Mulyana Rahman, Ari Reifaldy Tsany Betta Aryanto Ridhosari, Betanti Rofiah Rofiah Sakkot Matua Gong Hasibuan Sari, Mega Mutiara Septiariva, Iva Yenis Septiariva, Iva Yenis Shigeru Kato Sianipar, Imelda Juniaty Silvia Verdiana Siti Rachmawati Siti Rahmawati Stacia Dea Prameswari SUGENG BUDIHARTA SUGENG BUDIHARTA SUGIYARTO SUGIYARTO SUGIYARTO SUGIYARTO Sunarhadi, M. Amin SUNARTO SUNARTO SUNARTO SUNARTO Suprihanto Notodarmojo Suprihanto Notodarmojo Suryawan, I Wayan Koko Suryawan, I Wayan Koko Suryawan, I Wayan Koko SUTARNO SUTARNO SUTARNO SUTARNO Syahda Hati Dendra Takanobu Inoue Trida Ridho Fariz Vania Maharani Rizky Pratiwi Wisnu Prayogo Wisnu Prayogo Yesaya Emeraldy Priutama Yokota, Kuriko Yoyon Wahyono Yoyon Wahyono