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Rachmalia, Fayza
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Analysis of Basic Level Students' Knowledge of Hazardous and Toxic Waste Yhoviera Farraz Muali, Aiko; Desti Ramadhani, Danila; Aulianissa Ainaya, Fadia; Muhammad, Farhan; Rachmalia, Fayza; Khairunnisa, Hasna; Hawali Abdul Matin, Hashfi
Waste Technology Vol 11, No 2 (2023)
Publisher : Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/11.2.120-124

Abstract

Toxic hazardous material waste (Waste B3) is defined as waste that contains harmful and toxic substances, so that it can directly or indirectly damage the environment, disrupt health and threaten the survival of humans and other organisms. Students' awareness of B3 waste management can be seen through the level of knowledge they have. The level of knowledge is important in shaping a person's attitude or behavior towards the surrounding environment. The purpose of this study is to find out how much information or knowledge is owned by students of Sebelas Maret University (UNS) related to B3 waste management. The data analysis method used in this study is a descriptive analysis method in the form of a desriptive explanation of the data obtained about uns students' knowledge of B3 waste. The data collected in the form of primary data is conducted through interviews and questionnaires and secondary data. The results showed that the knowledge of Sebelas Maret Student University students related to B3 waste management is quite good, it can be seen through the results of questionnaires and interviews where there are 38 who already know and understand about B3 waste supported by the answers of 45 respondents who already understand the B3 waste itself, and there are 41 respondents who already know how they process B3 waste, namely by handing over B3 waste to the sewage treatment plant.
Structure, composition and economic potential of molluscs (gastropods and bivalves) in the Lembupurwo Lagoon Beach, Kebumen, Central Java, Indonesia Rohman, Cahya Maulidta; Kinanti, Asih; Pramudita, Desma Asty; Fadzilah, Fariz Pradana Adil; Ramadhan, Muhammad Fadhil; Faturrahman, Aqra Danial; Aurina, Devi Mayang; Dewi, Mini Ambarwati Kusuma; Ainaya, Fadia Aulianissa; Rachmalia, Fayza; Fatikha, Layyinatssyifa A’yuni; Nugroho, Gilang Dwi; Yap, Chee Kong; Setyawan, Ahmad Dwi
Genbinesia Journal of Biology Vol. 2 No. 3 (2023): July 2023
Publisher : Generasi Biologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55655/genbinesia.v2i3.39

Abstract

The mangrove ecosystem is a productive ecosystem with economic and environmental functions. This research was conducted to determine the value of the ecological index and the economic potential of molluscs (Gastropods and Bivalvia) found in the Lembupurwo Lagoon Beach (part of Wawar River Estuary), Kebumen District, Central Java, Indonesia. First, mollusc sampling was carried out on a 10x10 meter plot. So its existence also needs to be known and studied more specifically. Then, the ecological index of the species found is calculated using the Shannon-Wiener Diversity Index, Evenness Index, Simpson Dominance Index, Margalef Species Richness Index, and individual Density of each species. In addition, for the economic potential of molluscs using secondary data from scientific journals. Analysis of the data obtained descriptively with the support of tables and pictures. The study results showed that there were 17 species of molluscs consisting of 12 species belonging to the gastropod class and five other species belonging to the bivalves. The families with the most common species are Neritidae=3, Ellobiidae=2, and Littorinidae=2. Whereas in the Bivalvia class, each family was only found one species. The total molluscs found had a density value of 3.95 ind/m2. The Diversity Index (H') of molluscs was 1.48 (moderate), Evenness Index was 0.52 (moderate), Margalef Richness Index was 1.71 (low), and Dominance Index was 0.28 (no species dominated). Then, for the economic potential of the mollusks found, the economic potential is dominated by the food sector. The species that have potential in the food sector include: Faunus ater Linnaeus 1758, Isognomon ephippium Linnaeus 1758, Pilsbryoconcha exilis I.Lea, 1838, Polymesoda expansa Mousson 1849, and Anadara antiquata Linnaeus 1758.
Co-Authors Ahmad Dwi Setyawan Ainaya, Fadia Aulianissa Aulianissa Ainaya, Fadia Aurina, Devi Mayang Desti Ramadhani, Danila Dewi, Mini Ambarwati Kusuma Fadzilah, Fariz Pradana Adil Fatikha, Layyinatssyifa A’yuni Faturrahman, Aqra Danial Hashfi Hawali Abdul Matin, Hashfi Khairunnisa, Hasna Kinanti, Asih Muhammad, Farhan Nugroho, Gilang Dwi Pramudita, Desma Asty Ramadhan, Muhammad Fadhil Rohman, Cahya Maulidta Yap, Chee Kong Yhoviera Farraz Muali, Aiko