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All Journal HAYATI Journal of Biosciences Buletin Udayana Mengabdi ILMU KELAUTAN: Indonesian Journal of Marine Sciences BULETIN OSEANOGRAFI MARINA Transmisi: Jurnal Ilmiah Teknik Elektro Widyanuklida Journal of Marine Research Jurnal Akuntansi AKUNESA BIOTROPIA - The Southeast Asian Journal of Tropical Biology Jurnal Simetris Jurnal Keperawatan Soedirman (The Soedirman Journal of Nursing) Hunafa: Jurnal Studia Islamika Speed - Sentra Penelitian Engineering dan Edukasi Jurnal Edukasi dan Penelitian Informatika (JEPIN) Religio : Jurnal Studi Agama-agama WARTA Tajdida Jurnal Ekonomi Pembangunan: Kajian Masalah Ekonomi dan Pembangunan Benefit: Jurnal Manajemen dan Bisnis JEB17 : Jurnal Ekonomi dan Bisnis JHP17 (Jurnal Hasil Penelitian) Jurnal Kelautan Tropis KLIK (Kumpulan jurnaL Ilmu Komputer) (e-Journal) Ishraqi Profetika Riset Akuntansi dan Keuangan Indonesia InfoTekJar : Jurnal Nasional Informatika dan Teknologi Jaringan JURNAL ILMU BUDAYA Journal of Elementary Education Sinkron : Jurnal dan Penelitian Teknik Informatika Journal of Accounting and Management Innovation Journal Of Chemical Process Engineering (JCPE) Journal of Industrial Engineering Management Paradigma Omni-Akuatika Kesmas Indonesia: Jurnal Ilmiah Kesehatan Masyarakat Jurnal Bina Praja JRMSI - Jurnal Riset Manajemen Sains Indonesia Jurnal Pengabdian Masyarakat AbdiMas Journal of Islamic Economic Laws Jurnal Kolaboratif Sains Jurnal Serambi Engineering Patria Artha Technological Journal KOMIK (Konferensi Nasional Teknologi Informasi dan Komputer) Jurnal Ilmiah Mandala Education (JIME) JISIP: Jurnal Ilmu Sosial dan Pendidikan JUPE : Jurnal Pendidikan Mandala INSIST (International Series on Interdisciplinary Research) Barometer Arthavidya Jurnal Ilmiah Ekonomi PROSIDING SEMINAR NASIONAL LEMBAGA PENELITIAN DAN PENDIDIKAN (LPP) MANDALA Jurnal Ilmu Komputer dan Bisnis Unistek: Jurnal Pendidikan dan Aplikasi Industri Budapest International Research and Critics Institute-Journal (BIRCI-Journal): Humanities and Social Sciences PENGABDI: Jurnal Hasil Pengabdian Masyarakat Jurnal Ilmiah Wahana Pendidikan Journal of Accounting and Management Innovation Jurnal Ilmiah Ibnu Sina (JIIS): Ilmu Farmasi dan Kesehatan Jurnal Pustaka Aktiva : Pusat Akses Kajian Akuntansi, Manajemen, Investasi, dan Valuta

Ambariyanto Ambariyanto

Department Of Marine Science, Faculty Of Fisheries And Marine Science, Universitas Diponegoro Center For Coastal Disaster Mitigation And Rehabilitation, Universitas Diponegoro

Author-ID : 2957778

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ANALYSIS AND EVALUATION OF ACADEMIC INFORMATION SYSTEM SECURITY USING NIST SP 800-26 FRAMEWORK Poningsih, Poningsih; Lubis, Muhammad Ridwan
Sinkron : jurnal dan penelitian teknik informatika Vol. 6 No. 1 (2021): Article Research Volume 6 Issue 1: January 2021
Publisher : Politeknik Ganesha Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33395/sinkron.v7i1.11205

Along with the development of technology and information that is growing rapidly, currently the competition between educational institutions is getting stronger. If an institution is not able to keep up with the progress of information technology which is developing very quickly, it is certain that the institution will be left very far behind from all sides. However, there are things that really need to be considered due to the development of information technology, namely the consideration of the security of information systems owned by the Institution. For that we need an analysis and evaluation of the information system used to identify security in the information system. If the analysis and evaluation is not carried out, problems will arise related to the security of an information system such as data that is vulnerable to threats such as damaged and lost data so that the data becomes invalid. If the data is not valid, it is certain that the information generated will also not be reliable. Evaluation of information system security can be done with the framework. NIST is a framework that can be used to evaluate and identify security and risks in information systems. The information system security evaluation process is carried out by distributing questionnaires to the academic community in accordance with the NIST SP 800-26 framework and the data is managed to obtain the final result. The results of the academic information system security evaluation have an overall final score of 91.6%. The total value is obtained from the results of the number of calculations based on 3 components of the criteria tested, namely management control, operational control, and technical control. And from the 3 assessment criteria there are 17 sub-criteria that exist in each criterion. Based on this data, the security of the academic information system at AMIK Tunas Bangsa is included in the level 2 category, namely Documented Procedures.

Penentuan Total Permintaan Konsumen dalam Produksi Lever Cam Shaft 45P dengan Metode Peramalan di PT. Ciptaunggul Karya Abadi Widyanti, Widyanti; Sukanta, Sukanta
Jurnal Serambi Engineering Vol 7, No 2 (2022): April 2022
Publisher : Fakultas Teknik

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32672/jse.v7i2.3907

Abstract In the era of increasingly fierce business competition, companies must have a strategy in order to remain able to survive. One of them is to continue to be able to meet consumer demand. One way of strategy in business planning is forecasting. This research was conducted at PT. Ciptaunggul Karya Abadi with the object of study, namely the Lever Cam Shaft 45P product. This study aims to predict demand for Lever Cam Shaft 45P products in order to meet consumer demand. The data used is in the form of historical reports on product demand for the previous period. The method used is the Double Moving Average and Double Exponential Smoothing and the error parameter is the Mean Absolute Percentage Error (MAPE). The results obtained are the method with the smallest error value obtained in the DES method with an alpha of 0.9. Therefore, this method is used for forecasting the next period. This is because it is judged to be closest to the actual condition assessed from the smallest error value. The number of requests based on the results of DES alpha 0.9 for the period April 2021 to September 2022 was 9711 pcs.Keywords: PT. Ciptaunggul Karya Abadi, Forecasting, Moving Average, Double Exponential Smoothing, MAPE. AbstrakEra persaingan bisnis yang semakin ketat membuat perusahaan harus memiliki strategi agar tetap mampu bertahan. Salah satunya adalah dengan terus mampu memenuhi permintaan konsumennya. Salah satu cara dalam strategi dalam perencanaan bisnis adalah peramalan. Penelitian ini dilakukan di PT. Ciptaunggul Karya Abadi dengan objek kajian yaitu pada produk Lever Cam Shaft 45P. Penelitian ini bertujuan untuk meramalkan permintaan produk Lever Cam Shaft 45P agar dapat memenuhi permintaan konsumen. Data yang digunakan berupa laporan historis permintaan produk periode sebelumnya. Metode yang digunakan yaitu dengan Double Moving Average dan Double Eksponential Smoothing serta parameter error dengan Mean Absolute Percentage Error (MAPE). Hasil yang didapatkan yaitu metode dengan nilai error terkecil diperoleh pada metode DES dengan alfa 0,9. Oleh karena itu, metode tersebut yang dijadikan peramalan periode selanjutnya. Hal ini karena dinilai paling mendekati kondisi sebenarnya dinilai dari nilai error yang terkecil. Didapatkan jumlah permintaan berdasarkan hasil DES alfa 0,9 periode April 2021 hingga September 2022 sebanyak 9711 pcs.Kata Kunci: PT. Ciptaunggul Karya Abadi, Peramalan, Moving Average, Double Exponential Smoothing, MAPE.

Genetic Diversity and Connectivity of Sea Urchin Tripneustes gratilla in Region Surrounding Cenderawasih Bay, Papua-Indonesia and Indo-Pacific Abdul Hamid A. Toha; Ambariyanto Ambariyanto; Widodo Widodo; Luchman Hakim; Sutiman B. Sumitro; Agustina L. N. Aminin
HAYATI Journal of Biosciences Vol. 29 No. 2 (2022): March 2022
Publisher : Bogor Agricultural University, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.4308/hjb.29.2.155-163

Cenderawasih Bay has extremely high biodiversity with an enormous amount of endemic species due to geography isolation. Tripneustes gratilla is one of the species that is abundant in the bay. The species has ecological value that is suitable for bio-indicators of the environmental condition. Since the Bay relatively isolated area, then we examined the impact of the geographical conditions on genetic diversity and connectivity of Tripneustes gratilla among populations in the region surrounding Cenderawasih Bay based on the mitochondrial cytochrome c-oxidase-1 gene. Results of the study showed that genetic variation of the species within the population is high; despite the genetic variation among populations was low. The data suggested that the entire population of T. gratilla were closed connected, homogeneous, and shared polymorphic profile. Then we assumed the gene flow occurred for a long time among populations without geographical barriers. This information is a warrant to develop an effective strategy to maintain biodiversity in the Cenderawasih Bay.

Model Jaringan Saraf Tiruan Backpropagation Untuk Meningkatkan Penguasaan Mahasiswa Pada Matakuliah Algoritma Dan Pemrograman Muhammad Ridwan Lubis
Paradigma Vol 21, No 1 (2019): Periode Maret 2019
Publisher : LPPM Universitas Bina Sarana Informatika

Untuk meningkatkan keterampilan mahasiswa dalam belajar merupakan harapan setiap dosen. Dalam program studi dasar komputer dibutuhkan master pemrograman. Algoritma dan Pemrograman adalah program dasar yang harus dipelajari. Sementara itu, menggunakan metode backpropogation yang merupakan bagian dari Jaringan Syaraf Tiruan akan menguji dan melatih data dengan menggunakan algoritma backpropogation untuk meningkatkan kemampuan mahasiswa untuk memahami matakuliah algortima dan pemrograman. Hasil yang dapat dianalisis tentang hasil jika outputnya mendekati target maka proses pelatihan dapat diselesaikan. Selanjutnya, Kesalahan rata-rata dapat dihitung dari hasil pelatihan yang telah dilakukan. Jika hasilnya belum tercapai maka metode backpropagation selalu melakukan iterasi dengan melakukan perubahan bobot hingga hasil maksimal dan dapat untuk mendapatkan hasil yang menjadi target dengan metode backpropagation yang digunakan.

Nutrition of Edible Seaweed Kappaphycus alvarezii Related to Different Environmental Coastal Water Condition Eko Nurcahya Dewi; Darmanto Darmanto; Ambariyanto Ambariyanto
Journal Omni-Akuatika Omni-Akuatika Special Issue 2nd Kripik SCiFiMaS
Publisher : Fisheries and Marine Science Faculty - Jenderal Soedirman University

Edible seaweed K. alvarezii collected from different coastal waters in Indonesia (Morowali and Teluk Ekas). The seaweed was extracted into semirefined carrageenan and it was determined on their nutrition quality. The results showed that the essential amino acids content of the three different samples SRC were similar as follows: aspartic acid, glutamic acid, serine, glysine, arginine, alanine, tyrosine, methionine, valine, phenylalanine, isoleucine, leucine and lysine. The gel strength (g/cm2) and viscosities value in Morowali, Ekas coastal waters and commercial SRC were different in the samples. FTIR spectroscopy determined that molecular present in three samples were kappa carrageenan.

Osiloskop dan Pembangkit Gelombang Virtual Berbasis LabVIEW Menggunakan Antarmuka Kartu Suara Sukanta Sukanta
Widyanuklida Widyanuklida, Volume 5 Nomor 1, Juli 2004
Publisher : BATAN

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (6001.279 KB)

ABSTRAK Osiloskop dan pembangkit gelombang adalah perangkat yang sangat penting khususnya dalam bidang elektronika baik untuk penelitian maupun praktikum. Agar data hasil pengukuran dapat langsung tersimpan komputer dan gambar sinyal dapat terekam dalam bentuk file adalah efektif jika alat ukur tersebut terintegrasi di dalam komputer dalam bentuk perangkat lunak. Perangkat lunak yang dibuat adalah Osiloskop dan Pembangkit Gelombang menggunakan bahasa pemrograman berbasis grafis LabVIEW versi 5.11. dengan antarmuka kartu suara. Alasan penggunaan antarmuka kartu suara karena merupakan perangkat standar komputer saat ini dengan harga relatif murah. Hasil pengujian unjuk kerja sistem perangkat lunak ini terutama untuk pengukuran amplitudo dan frekuensi menunjukkan adanya linieritas antara masukan dan keluaran. Dengan bantuan terminal penghubung yang berisi rangkaian pembagi tegangan perangkat lunak osiloskop secara teori mampu mengukur amplitudo sampai dengan 120 Vpp dan secara paktek telah dilakukan pengukuran sampai dengan 60 Vpp. Pengukuran frekuensi terbatas sampai dengan 22 KHZ karena laju pencuplikan kartu suara hanya 44100 Hz. ABSTRACT The Virtual Osciloscope and Function Generator Based on LabVIEW programme using Sound Card Interface has been made. The oscilloscope and function generation are very important tools especially in electronic field whether for research or practice exercise. These are effective if the oscilloscope and Function Generator tools are packed as a software so that the meassured data and picture of waveform can directly be saved on computer. The software is made by LabVIEW programming using sound card interface by the reason that it is cheaper and has been a standard of computer today even has built in a motherboard. The result of testing the performance of this software, there are linear relationship between input and output. By using a terminal connector of voltage devider, this software is capable for meassuring input signal teoritically up to 120 Vpp and practically has meassured 60 Vpp. Meassuring of frequency is limitted up to 22 KHz because the sampling rate of sound card is just 44100 Hz.

PKM di Kabupaten Karawang: Pendampingan Penggunaan Aplikasi Pendekatan SKD Berbasis CAT Dessy Agustina Sari; Sukanta Sukanta; Azafilmi Hakiim
Buletin Udayana Mengabdi Vol 19 No 3 (2020): Buletin Udayana Mengabdi
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (576.812 KB)

Kampus negeri di kabupaten Karawang turut memeriahkan tes CPNS per tahun 2018 untuk skema dosen dan tenaga kependidikan. Kesibukan para pengajar di Unsika mengakibatkan pelatihan yang diadakan LP3M (khususnya TIU) terabaikan karena jam kegiatan tersebut kerap bertabrakan agenda masing-masing personal di jam kerja. Sedangkan, hari libur tidak dapat dijalankan karena bukanlah jam operasional instansi pemerintahan. Bersama dukungan Sekai Elite Galuhmas Karawang dan Vision Center Bandung, pelaksana kegiatan pengabdian kepada masyarakat mengadakan workshop terkait kebutuhan pengenalan dan simulasi tes CPNS berbasiskan CAT. Pencarian masa peserta diraih melalui penyebaran leaflet melalui grup Whatsapp, pemasangan spanduk dan iklan di koran Karawang. Hal ini memberikan pencapaian 60 orang peserta. Dari pemaparan pemateri dapat diambil garis besar bahwa peserta mengalami kekurangan dari segi Tes Intelegensi Umum dibandingkan Wawasan Kebangsaan dan Karakteristik Pribadi. Peserta juga sebaiknya mengutamakan nilai tertinggi pada TKP, disusul oleh TIU, dan terakhir TWK. Hal ini tentunya telah melampaui passing grade yang ditetapkan per tahun oleh Menpan

Impact Test Size and Type of Echinometra mathaei as Agent of Bioerosion on Reef Flat (Pengaruh Ukuran dan Tipe Echinometra mathaei pada Bioerosi Karang) Cristiana Manullang; Makoto Tsuchiya; Ambariyanto Ambariyanto; Diah Permata
ILMU KELAUTAN: Indonesian Journal of Marine Sciences Vol 19, No 2 (2014): Ilmu Kelautan
Publisher : Marine Science Department Diponegoro University

Bioerosi adalah aktivitas berbagai organisme yang menyebabkan terjadinya erosi dan kerusakan misalnya pada kalsium karbonat karang. Aktivitas ini merupakan faktor utama yang mempengaruhi morfologi terumbu karang. Bioerosi dipengaruhi oleh tiga variabel yakni jenis spesies, ukuran dan kelimpahan spesies tersebut. Tujuh puluh lima persen dari bioerosi disebabkan oleh landak laut. Perbedaan pada ukuran dan jenis landak laut memberikan dampak signifikan terhadap daerah yang terjadi bioerosi. Penelitian ini bertujuan untuk menguji pengaruh ukuran dan jenis landak laut E. mathaei (tipe A dan B) pada komposisi CaCO3 dalam isi usus dan tinja organisme tersebut sebagai agen bioersi. Landak laut yang digunakan diperoleh dari ekosistem karang di pantai Minatogawa, Okinawa-Jepang. Masing-masing tipe landak laut dibedakan berdasarkan ukuran ≥30 mm dan <30mm. Penelitian dilakukan dengan tiga ulangan. Pemeliharaan ini dilakukan di laboratorium dengan analisis komposisi CaCO3 pada tinja dan konten usus. Hasil penelitian membuktikan bahwa komposisi CaCO3 disebabkan karena aktivitas bioerosi harian dari E. mathaei. Landak laut dengan ukuran diameter ≥30 mm terbukti lebih aktif dibandingkan dengan diameter <30mm. Disamping itu landak laut tipe B lebih aktif dibandingkan tipe A dengan ukuran yang sama. Persentase CaCO3 dalam usus selama pemeliharaan di laboratorium adalah 73% dan sisa 27% berupa bahan organik dan anorganik. Bierosion harian E. mathaei tipe A ≥ 30 mm 166,70 mg.hari-1, tipe A <30 mm 77.78 mg.hari-1, tipe B ≥ 30 mm 126,30 mg.hari-1, tipe B <30 mm 116,17 mg.hari-1. Tingkat bioerosion harian E. mathaei dipengaruhi oleh jenis, spesies, kecepatan menggiling, dan ukuran landak laut. Kata kunci: ukuran; Echinometra mathaei; bioerosi; karang Bioerosion is an activity of various organisms such as erosion and destruction of coral calcium carbonate and become a major factor influencing coral reefs morphology. Bioerosion is influenced by three variables: type of species, size of species and abundance. Seventyfive percent of bioerosion caused by sea urchin. Differences on size and type of sea urchin gave a significant impact to the bioerosion area. This study aimed to examine the influence of the size and the type of sea urchin E. mathaei (type A and type B) on the composition of CaCO3 in the gut content and feces as bioersion agent on the reef flat in Minatogawa Coast, Okinawa-Japan. The organisms used were E. mathaei type A and type B with each type distinguished by size ≥ 30 mm and < 30 mm with three replications. The maintenance was carried out at laboratory for 3 days by observing analysis of the composition of CaCO3 on feces and gut content. It indicates that the composition of CaCO3 as daily bioerosion was caused by E. mathaei. The results showed E. mathaei with diameter ≥ 30 mm was more active than those with diameter of < 30mm and type B was more active than type A in each of the same size. Percentage of CaCO3 in the gut during maintenance in the laboratory was 73% and the other 27% consist of organic and inorganic materials. Daily bierosion E. mathaei type A ≥ 30 mm 166.70 mg.day-1 , type A < 30 mm 77.78 mg.day-1 , type B ≥ 30 mm 126.30 mg.day-1 , type B < 30 mm 116.17 mg.day-1. Daily bioerosion rate E. mathaei was influenced by the type, species, speed of grind, and the size of the sea urchin. Keywords: size; Echinometra mathaei; bioerosion; reef flat

Pengaruh Dosis Terhadap Efektifitas Vaksin POM Vibrio alginolyticus 74 kDa pada Ikan Kerapu Macan Epinephelus fuscoguttatus Desrina Desrina; Arief Taslihan; Ambariyanto Ambariyanto; Budhi Kuncoro Jati
ILMU KELAUTAN: Indonesian Journal of Marine Sciences Vol 16, No 2 (2011): Ilmu Kelautan
Publisher : Marine Science Department Diponegoro University

Vibrio alginolyticus adalah bakteri patogen penyebab penyakit vibriosis pada ikan kerapu budidaya di Indonesia. Vaksin Protein Outer Membran (POM) V. alginolyticus telah terbukti imunogenik pada ikan kerapu. Penelitian ini bertujuan untuk menentukan pengaruh dosis vaksin terhadap kemampuan POM V. alginolyticus 74 kDa dalam merangsang kerja sistem kekebalan spesifik ikan dan menentukan efek dosis terhadap perlindungan yang dihasilkan. POM(74 kDa) diisolasi dengan metoda sonikasi dan SDS-PAGE, dan dimurnikan dengan metoda elektroelusi. Vaksin diberikan dengan metoda suntik intraperitoneal ke ikan kerapu ukuran 8-10 cm (berat 1013 g) dengan dosis 0 (kontrol), 5, 10 dan 15 µg/0, 1 ml PBS/ 10 g ikan (n= 30 ekor/dosis). Ikan kontrol disuntik dengan 0,1 ml PBS steril. Satu minggu kemudian ikan disuntik booster dengan cara dan dosis yang sama. Dua minggu setelah booster dilakukan uji tantang dengan dengan menyuntikkan bakteri Vibrio alginolyticus 8 secara intramuskular dengan dosis 0,1 ml X 109 sel/ml, dan ikan dipelihara selama 2 minggu. Jumlah ikan yang mati selama masa uji tantang dihitung untuk menentukan Relative Percentage Survival (RPS). Titer antibodi diukur sebelum percobaan dan setiap minggu selama penelitian. Ke 3 dosis yang diberikan efektif dalam merangsang respon kekebalan humoral ikan kerapu dan menghasilkan kekebalan yang melindungi yang hampir sama yang terlihat dari nilai RPS untuk dosis 5, 10 dan 15 µg masing masing 72, 87 dan 72%. Kata kunci: vaksin POM, kerapu, dosis Vibrio alginolyticus is a causative agent of vibriosis of cultured grouper in Indonesia. It has been reported that the Outer Membrane Protein (OMP) of V. alginolyticus vaccine was immunogenic on grouper. Vaccine dose is important in determining the ability of vaccine to conferred protective immunity. The objectives of the present research was to determine effect of vaccine doses on (1) the specific immune response of grouper and (2) conferring protective immunity of grouper. OMP V. alginolyticus (74 kDa) was isolated by sonication and SDSPAGE, and purified by mean electroelution. Vaccine was delivered by intraperitoneal injection to grouper juvenile (8 - 10 cm long and weigh10 - 13 g) in three doses; 0 (kontrol), 5, 10 dan 15 µg/0, 1 ml PBS/ fish (n= 30 fish/ dose). Control fish were injected with 0,1 ml sterile PBS steril. One week later, booster was given in the same manner as the primary vaccination. Two weeks following booster (week 4), fish were challenge with V. alginolyticus 8 by intramuscular injection (0,1 ml X 109 sel/ml) and fish were maintained for two weeks. Fish mortality pos challenge test was counted to calcualte the Relative Percentage Survival (RPS). Antibodi titer was measured before vaccination and weekly for 4 week. All three doses tested were effective to trigger the specific immune response of grouper dan conferred protective immunity with similar degree as shown by the RPS for dose 5, 10 dan 15 µg were 72, 87 dan 72% respectively. Key words: vaccine, OMP, grouper, dose.

Struktur Komunitas Zooplankton di Muara Sungai Serang, Jogjakarta Bayu A Pranoto; Ambariyanto Ambariyanto; Muhammad Zainuri
ILMU KELAUTAN: Indonesian Journal of Marine Sciences Vol 10, No 2 (2005): Jurnal Ilmu Kelautan
Publisher : Marine Science Department Diponegoro University

Zooplankton adalah salah satu komponen dalam rantai makanan yang diukur dalam kaitan dengan nilai produksi suatu ekosistem. Hal ini dikarenakan zooplankton berperan ganda baik sebagai konsumen satu maupun konsumen dua, dimana merupakan rantai penghubung di antara plankton dan nekton. Penelitian ini bertujuan untuk mengetahui struktur komunitas zooplankton di perairan muara Sungai Serang Yogyakarta. Metode penelitian yang digunakan adalah studi kasus. Penentuan stasiun sampling menggunakan metode pertimbangan (purposive sampling method). Pengolahan data meliputi kelimpahan, indeks keanekaragaman, indeks keseragaman, indeks dominansi, dan indeks dispersitas Morisita. Parameter perairan yang terukur suhu, salinitas, kecerahan, kecepatan arus, kedalaman, derajat keasaman (pH), DO, nitrat, dan fosfat. Hasil penelitian berdasarkan tanggal samplingdiperoleh kelimpahan rata-rata zooplankton berkisar antara 6.704-36.427 sel/L dengan indeks keanekaragaman 1,16-1,78; indeks keseragaman 0,75-0, 95; dan indeks dominansi 0,13-0,31. Sedangkan hasil penelitian berdasarkan stasiun diperoleh kelimpahan rata-rata zooplankton berkisar antara 10.952-31.669 sel/L dengan indeks keanekaragaman 1,17-1,65; indeks keseragaman 0,76-0,95; dan indeks dominansi 0,13 - 0,21.Berdasarkan hasil penelitian diperoleh hasil, bahwa genus zooplankton yang memiliki sebaran luas pada setiap stasiun (dominan) adalah genus Trigriopus, Nauplius, Pseudocalanus (Crustacea), Brachionus, Plerodina (Rotatoria). Berdasarkan hasil penelitian diperoleh kesimpulan bahwa zooplankton yang terdapat di perairan muara Sungai Serang Yogyakarta terdiri dari 6 kelas dan 21 genus. Sedangkan dilihat dari nilai indeks keanekaragaman dan keseragaman diketahui bahwa muara Sungai Serang termasuk daerah yang memiliki komunitas zooplankton yang beragam dan didominasi oleh kelas Crustacea.Kata kunci: struktur dan indeks komunitas, zooplankton, estuarinZooplankton is one of the components in the food chain especially in relation to the production of an ecosystem. This is due to the fact that zooplankton play both as first and second consumer. The objective of this study was to investigate the community structure of zooplankton within Serang River estuary, Yogyakarta. The research was based on a case study, while sampling was done by purposive sampling method. The abundance, variety index, diversity index, dominancy index, and dispersity index were calculated based on the data collected.. The water parameter measured temperature, salinity, transparency, current velocity, pH, dissolvedoxygen, nitrate, and phospate. The result showed that based on the date of sampling the average of zooplankton abundance were ranged between 6704 - 36427 cell/L with variety index range between 1,16-1,78; diversity index were ranged between 0,75-0,95; and dominancy index were ranged between 0,13-0,31. While the results based on sampling station of the average of zooplankton abundance was range between 10.952 - 31.669 cell/L with variety index were ranged between 1,17-1,65; diversity index were ranged between 0,76-0,94; and dominancy index range between 0,13-0,21. The most common genera of zooplankton found in sampling station were Tigriopus, Nauplius, Pseudocalanus (Crustacea), Brachionus, Pterodina (Rotatoria).There were 6 classes and 21 genera of zooplankton found in the estuary of Serang River, Yogyakarta. Based on the value of the indices, it suggest that this estuary has high diversity of zooplankton and dominated by class CrustaceaKey words : structure and community indices, zooplankton. estuary

Co-Authors - Desrina, - A Sabdono A Sabdono A. Khaerul Anam Haeril Abd. Rasyid Syamsuri Abdul Hamid A. Toha Afrinal Pilly Agus Hartoko Agus Indarjo Agus Perdana Windarto Agus Trianto Agustina L.N. Aminin Aisyah, Nurfahana Siti Aji Wahyu Anggoro Alferd Y. Ko'ou Ali Djunaedi Ali Ridlo Analis Finansi Twindiko Anastasia Dian R Andi Gilang Permadi Andreas Wahyu Gunawan P Andrianus Sembiring Anggi Arumsari Anggi Rahmadani Kusumaningtyas Angra Syafira Savana Rahmadanty Anindya Wirasatriya Anthony D Arnanda Anwar Musadad Arief Taslihan Arief Taslihan Arinda Roosma Asep Erik Nugraha Awan Setia Dharmawan Azafilmi Hakiim Azri Maya Monica Baiq Satrianingsih Bayu A Pranoto Bayu Kreshna Adhitya Sumarto Bayu Munandar Beni setyawan Budhi Kuncoro Jati Candhika Yusuf Christopher P. Meyer Cristiana Manullang Darmanto Darmanto Dedy Hartama Delianis Pringgenies Deni Darmawan Denny Nugroho Sugianto Dessy Agustina Sari Dewi Indriani Dewi, Rafiqa Diah Permata Diah Permata W Diah Permata W Diah Permata Wijayanti Didit Purnomo Dwi Haryanti Dzatihanani, Rifanatus Sarah Eduard Meirenno Tielman Efelina, Vita Eka Maya Kurniasih Eko Ahadi Eko Nurcahya Dewi Endang Supriyantini Ernani Hadiyati Ervia Yudiati Fadli Zainuddin Fahrizal Amir Fanji Helvi Permana Fauzan . Febriana Angelia Purba Gazali Salim H. Anwar, Nur Rahmah Hadi Endrawati Hadinata, Jaya Tata Hakiim, Azafilmi Hendrawan, Raffly Hendrayana Hendrayana Hilda Aprilia, Hilda Hoerunisa, Ica Ibnu Pratikto Ibnu Pratikto Ika Okta Kirana Indra Gunawan Intan Primayanti Ita Riniatsih Ita Widowati Jauhari Arifin Jebul Suroso Jidan Ahmad Danil Johan Irmansyah Julian Ransangan Justin Cullen Karisma, Dwi Pratika Kiki Fatmawati Kris Linggardini Lies Yulianto Lisa F. Indriana Lubis, Ega Khairunnisa Luchman Hakim Lutfi Despon Suprapto M. S. Adhiarsya Perdana Mada Triandala Sibero Made Sumarwati Mahadika Fanindhita Sany Makoto Tsuchiya Martina Indah Puspitasari, Martina Indah Masruroh, Dwi Mariana Mea Pradnawati Mei Olani Eka Purnomo, Mei Olani Eka Mhd Ridhon Ritonga Michael Abbey Mirsa Septiana Mutik Mohamad Anas Mohammad Zaki Suaidy, Mohammad Muhaeminullah Muhaeminullah Muhamad Umar Fahad Muhammad Dailami, Muhammad Muhammad Firdaus Muhammad Ilham Muhammad Jihaddien Daffa Muhammad Nabil Riyanto Muhammad S. Bahry Muhammad Zainuri Muhammad Zainuri Muhammad Zainuri Muinudinillah Basri, Muinudinillah Muinudinillah, M. Mujiyanto Mujiyanto Muslimin Muslimin Musrifin, Arif Yanuar Mu’alimah Hudatwi Ni Kadek Dita Cahyani Ni Made Ernawati, Ni Made Ni Putu Dian Pertiwi Noer Sasongko Nofitasari, Dwi Villa Normawati Normawati, Normawati Nugraeni, Christine Dyta Nugroho, Mulyanto Nur Achmad Nur Indah Jaya Nur Taufiq S.P.J. Nur Taufiq-Spj Nurhudaya, Nurhudaya Nursan Kamaruddin Nurul Asiah OK. Radjasa OK. Radjasa Okprana, Harly P Muhammad Yusuf Permana Ari Soejarwo Poningsih Poningsih, Poningsih Pra Luber Agung Wibowo Prakoso, Lukman Yudho Puji Eka Purnama Qolbi, Fikri Ainul R Pribadi R Pribadi Raden Ario Ramadian Agus Triyono Retno Hartati Retno Murwani Retno Murwani Ria Azizah Ridlwan Kamaluddin Rini Astuti Riyadi Aji Mustofa Rizky Rifatma Jezzi Rizqy Fadhlina Putri Rudhi Pribadi Sa?adah, Zuyyinatus Sarjiya Shinta Oktafien Sigit Sardjono Solikhun Solikhun Solikhun Solikhun, Solikhun Sri Fitria Jayusman Sri Redjeki Sri Sedjati Stefanus M S Sadana Subagiyo Subagiyo Sudarno Shobron, Sudarno Sunaryo Sunaryo Supriadi Supriadi Suranto Suranto Suryaningrum Susiani Suryono Suryono Sutiman B. Sumitro Syahrial V. Canavaro Syahrial Varrel Canavaro Syam, Dzulfikar Tiara Anggita Tiara Anggita Tivannia Pricilla Narke Triyono Triyono Vella Faizal Vincent Theodorus Siringoringo Widianingsih Widianingsih Widodo Widodo Widyanti, Widyanti Winarno Winarno Winasis Winasis Yani Lukmayani Yudistio, Kukuh Zulfiki Hidayat

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