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All Journal ILMU KELAUTAN: Indonesian Journal of Marine Sciences Jurnal Penelitian Pendidikan IPA (JPPIPA) BioEksakta : Jurnal Ilmiah Biologi Unsoed
Ardli, Erwin Riyanto
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Earth & Planetary Sciences Education Immunology & microbiology Materials Science & Nanotechnology Physics Veterinary

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Effect of Planting Media Modification on Seed Growth and Development of Three Mangroves Species from Jakarta and Kebumen, Indonesia Ardli, Erwin Riyanto; Hanifah, Wahdini; Prabowo, Romanus Edy; Nafis, Bayu Ashila; Widyartini, Dwi Sunu
ILMU KELAUTAN: Indonesian Journal of Marine Sciences Vol 29, No 2 (2024): Ilmu Kelautan
Publisher : Marine Science Department Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/ik.ijms.29.2.285-292

Abstract

The rehabilitation of mangroves depends on the availability of high-quality, sufficiently prominent seeds. Currently, a lot of mangrove nursery activities continue to employ traditional techniques, which results in low-quality and slowly growing seedlings. The mangroves of Jakarta were selected because they represent a heavily polluted mangrove ecosystem on Java's northern coast, whereas the mangroves in Kebumen, on Java's southern coast, are in the opposite situation. This study proposed to find an approach to supply Indonesia's mangrove restoration projects with adequate seeds. An experimental approach with a complete randomized design and a factorial pattern was used. The variables tested were planting media and three kinds of mangroves: Rhizophora mucronata, Ceriops tagal, and Bruguiera gymnorrhiza. Mangroves from Jakarta are treated with mud, soil media, or a mix of them. A mixture of mud, husk, and husk charcoal is used for six treatments planting media for mangroves from Kebumen. The mangrove seedlings' growth, biomass, and chlorophyll content are the dependent variables. ANOVA was used to evaluate the data with a 95% confidence level, and Duncan's comparison of means test followed. The growth of mangrove seedlings was discovered to be impacted by media type, while the chlorophyll content, dry biomass of roots, stems, and leaves were not affected by this factor. Three species of mangroves differ regarding growth rate, biomass of roots, stems, and leaves, and chlorophyll content. In order to support Indonesia's efforts to rehabilitate mangroves, this research can offer understanding regarding how to select and employ the best media to effectively produce high-quality seeds.
Morphological and Genetic Diversity of Mangrove Species Ceriops tagal (Perr.) C.B. Rob. Around Java Island Sukmarani, Dhuta; Proklamasiningsih, Elly; Susanto, Agus Hery; Ardli, Erwin Riyanto; Permadi, Jefri; Palimirmo, Flandrianto Sih
ILMU KELAUTAN: Indonesian Journal of Marine Sciences Vol 28, No 4 (2023): Ilmu Kelautan
Publisher : Marine Science Department Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/ik.ijms.28.4.334-350

Abstract

Ceriops tagal (Perr.) C.B. Rob can be found in Baluran National Park, Kepulauan Seribu National Park, Karimunjawa National Park, and Segara Anakan Cilacap in Java and its surrounding areas. These locations have different demographics and environmental conditions. Plant species found in different geographical areas have varied genetic structures and morphological traits as a result of their adaptability to their environment. The goal of this study is to evaluate the morphological and genetic differences between the four populations of C. tagal in Java and its surroundings. Internode length, leaf length, leaf width, petiole length, and leaf area were the morphological characters used. The Internal Transcribed Spacer (ITS) region is used as a molecular marker. The UPGMA dendogram was used to analyze the morphological similarity, and multidimensional unfolding analysis was used to determine which character most determined the grouping. Mega X software was used to analyze genetic variation using the neighbor-joining approach, while Arlequin 3.5 software was used to estimate genetic variation within and among populations. The results of this study showed that the population of Baluran National Park has features or is distinct from the other three populations based on morphological and genetic characters; this could be because of variations in geographic conditions, and that population diversification was aided by a combination of genetic and physical divergence, restricted gene flow, and local adaptation.
Kerapatan dan Distribusi Genus Acanthus pada Area Kerusakan Mangrove di Segara Anakan Bagian Barat Cilacap Nur Azizah, Yasmin Shafira; Ardli, Erwin Riyanto; Yani, Edy
BioEksakta : Jurnal Ilmiah Biologi Unsoed Vol 2 No 2 (2020): BioEksakta
Publisher : Fakultas Biologi Universitas Jenderal Soedirman

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20884/1.bioe.2020.2.2.1824

Abstract

Mangrove merupakan salah satu ekosistem langka dan khas yang terdapat hanya 2 % di seluruh permukaan bumi. Ekosistem mangrove terluas di dunia berada di Indonesia. Ekosistem mangrove berperan dalam bidang ekologi, ekonomi serta sosial dan budaya. Hutan mangrove setiap tahun terus mengalami penurunan luas dan perubahan tingkat kerapatan akibat kerusakan. Salah satu tumbuhan yang terdapat di ekosistem mangrove adalah genus Acanthus. Genus Acanthus merupakan tumbuhan yang dapat digunakan sebagai bioindikator kerusakan mangrove dan dapat berkembangbiak secara vegetatif dan generatif. Tujuan dari penelitian ini adalah menghitung kerapatan dan distribusi genus Acanthus pada area kerusakan mangrove di Segara Anakan bagian barat Cilacap. Penelitian dilakukan dengan metode survei dengan teknik pengambilan sampel vegetasi mangrove purposive sampling pada 11 stasiun terpilih di Segara Anakan bagian barat Cilacap. Nilai kerapatan dan Pola distribusi genus Acanthus dianalisis menggunakan Surfer 15 untuk mendapatkan pola distribusi genus Acanthus. Nilai kerapatan dan faktor lingkungan dianalisis menggunakan BIOENV dengan Primer 5 kemudian dianalisis secara deskriptif. Nilai kerapatan genus Acanthus pada 11 stasiun terpilih yaitu 15.520 ind.ha-1. Pola distribusi genus Acanthus di Segara Anakan bagian barat Cilacap yaitu pola distribusi mengelompok (aggregate). Kata kunci: Acanthus, Mangrove, Kerusakan, Segara Anakan
BIOMASS AND CHLOROPHYLL ANALYSIS OF Ceriops tagal IN DIFFERENT NURSERY MEDIA Jannah, Herna Maghfira Raudhatul; Ardli, Erwin Riyanto; Proklamasiningsih, Elly
BioEksakta : Jurnal Ilmiah Biologi Unsoed Vol 3 No 3 (2021): BioEksakta
Publisher : Fakultas Biologi Universitas Jenderal Soedirman

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20884/1.bioe.2021.3.3.4545

Abstract

Ceriops tagal is a major mangrove species that contributes significantly to the mangrove environment. Ceriops tagal is a species of mangrove that supports a variety of marine organisms, including fish, shrimp, nematodes, and other biota, as well as maintaining the mangrove ecosystem's stability. A nursery is required in the recovery process. The addition of husk and husk charcoal to nursery media can enhance water, air, and plant nutrient absorption space. The objective of this study is to (1) determine how different nursery media with a mixture of husk and husk charcoal affect mud media, and (2) find which nursery media has the best influence on biomass and chlorophyll content in C. tagal mangroves. This study began with the propagules of C. tagal being planted in different composition growing media with husk and husk charcoal, and then calculating the biomass in the root, stem, leaves, and hypocotyl, as well as the chlorophyll content in the leaves of C. tagal organs, using an ANOVA test. Then, for the wet biomass of the root, dry biomass of the stem, root, and wet and dry biomass hypocotyl of C. tagal, do an honest significant difference test of 5%. According to the findings, adding husk and husk charcoal to nursery media can increase the dry biomass of the root and stem, as well as the wet and dry biomass of the hypocotyl in C. tagal organs. Media 5 (mud + husk charcoal in a 2:1 ratio) and media 6 (mud + husk + husk charcoal in a 1:1:1) were the best media for increasing the biomass of the C. tagal in each organ. Environmental factors such as the pH content of the medium influence the increase in dry biomass of the root and stem, as well as the wet and dry biomass of the hypocotyl. Keywords: biomass, Ceriops tagal, chlorophyll, nursery media
Analysis of Important Factors of Groundwater Availability in Narmada District, West Lombok Regency, West Nusa Tenggara Province Indaryani, Anita Dwi; Wibowo, Dwi Nugroho; Ardli, Erwin Riyanto; Hilmi, Endang; Muslihudin; Hidayat, Syamsul; Gomes, Nazario
Jurnal Penelitian Pendidikan IPA Vol 11 No 1 (2025): January
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v11i1.7031

Abstract

Groundwater utilization in Narmada Regency has increased significantly while its availability is decreasing. This requires management to maintain clean water supply. Research on variables that affect groundwater availability and interactions between them therefore needs to be carried out. Firstly, a Focused Group Discussion (FGD) was held to identify the variables considered important in groundwater management. Respondents then filled out a set of questionnaires expressing their perceptions about the importance of these variables. The variables were grouped into four dimensions namely Input, Output, Domestic Output and non-Domestic Output. Next, respondents' responses were analyzed using the MICMAC structural analysis tool to sort out variables regarding their influence and dependence as well as evaluating the interactions that occured between the variables.  The results showed that there are 7 key variables i.e. Central Government Regulations (PPP). Local Government Regulations (PPD), Rainfall (HUJ), Groundwater Basin (CAT), Forest (HUT), Climate (IK), Number of Population (JP) and 1 regulatory variable ie. Geological variable (GEO) in the groundwater availability system in Narmada District. Also, there exist structured and systematic interactions between dimensions in the system. The results of this study are useful as input in making appropriate regulations for sustainable groundwater in the study area.
Co-Authors AGUS HERY SUSANTO Dhuta Sukmarani, Dhuta Dwi Nugroho Wibowo Dwi Sunu Widyartini ELLY PROKLAMASININGSIH Endang Hilmi Flandrianto Sih Palimirmo, Flandrianto Sih Gomes, Nazario Hanifah, Wahdini Indaryani, Anita Dwi Jannah, Herna Maghfira Raudhatul Jefri Permadi Muslihudin, Muslihudin Nafis, Bayu Ashila Nur Azizah, Yasmin Shafira Romanus Edy Prabowo SYAMSUL HIDAYAT Yani, Edy