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All Journal Jurnal Ilmu Pertanian Indonesia BULETIN OSEANOGRAFI MARINA Saintek Perikanan : Indonesian Journal of Fisheries Science and Technology Jurnal Pasir Laut Management of Aquatic Resources Journal (Maquares) JFMR (Journal of Fisheries and Marine Research) Acta Aquatica: Aquatic Sciences Journal Jurnal Akuatiklestari JURNAL PERIKANAN TROPIS PENA AKUATIKA : JURNAL ILMIAH PERIKANAN DAN KELAUTAN Inovasi Jurnal Pengabdian Masyarakat (IJPM) Journal of Fisheries & Marine Life Science Jurnal Pengabdian Masyarakat Inovasi Indonesia

Siti Rudiyanti

Department Of Marine Sciences, Faculty Of Fisheries And Marine Sciences, Diponegoro University

Author-ID : 365180

Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Computer Science & IT Decision Sciences, Operations Research & Management Earth & Planetary Sciences Education Engineering Environmental Science Immunology & microbiology Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Public Health Social Sciences Other

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POLA SEBARAN UNDUR-UNDUR LAUT (Hippidae) BERDASARKAN SALINITAS SUBSTRAT DI PANTAI PAGAK, KEC. NGOMBOL, PURWOREJO, JAWA TENGAH (Distribution Pattern of Mole Crab (Hippidae) Based on The Substrat’s Salinity in Pagak Beach, Ngombol District, Purworejo Regency, Central Java) Setiaji Nugroho; Suryanti Suryanti; Siti Rudiyanti
Saintek Perikanan : Indonesian Journal of Fisheries Science and Technology Vol 14, No 1 (2018): SAINTEK PERIKANAN
Publisher : Fakultas Perikanan dan Ilmu Kelautan, Universitas Diponegoro

Pesisir selatan Jawa, khususnya pantai Pagak, Kabupaten Purworejo merupakan daerah potensial dengan beragam jenis biota yang seringkali dimanfaatkan masyarakat setempat sebagai bahan makanan. Biota tersebut diantaranya adalah yutuk (undur-undur laut) yang bermanfaat secara ekologis maupun ekonomis, namun pemanfaatan belum optimal. Penelitian ini bertujuan untuk mengetahui kelimpahan dan pola sebaran undur-undur laut sebagai dasar pemilihan daerah penangkapan undur-undur laut dan hubungan salinitas substrat dengan kelimpahan undur-undur laut yang ada di pantai Pagak, Kabupaten Purworejo. Penelitian dilakukan pada bulan Januari 2018. Pengambilan sampel biota dan substrat dilakukan pada tiga stasiun dimana setiap stasiun dilakukan tiga kali pengulangan pada hari yang berbeda. Pengambilan sampel menggunakan teknik purposive sampling. Hasil penelitian menunjukkan kelimpahan undur-undur laut (hippidae) di pantai Pagak berkisar 2-4 individu/m2 dengan pola sebaran yang mengelompok. Kelimpahan tersebut cenderung lebih tinggi pada salinitas substrat kisaran 33-35 ppt. Salinitas substrat berpengaruh terhadap kelimpahan undur-undur laut (hippidae) di pantai Pagak dan keduanya mempunyai hubungan yang lemah (r = 0,371). Southern coast of Java, especially Pagak beach, Purworejo Regency is a potential area with various types of biota that are often used by local people as food. One of the biota is mole crab that is useful ecologically and economically, while the existing utilization is not yet optimal and sustainable. The purpose of this research is to know the abundance and distribution pattern of mole crab as the basis for the selection of good and sustainable fishing areas of mole crab, and the relationship between substrate salinity and the abundance of mole crab at Pagak beach, Purworejo Regency. The study was conducted in January 2018. Samples collection of biota and substrate were conducted at three stations where each station was carried out with three replication on different days. Purposive sampling technique was used to take the sample. The results showed the abundance of mole crab (hippidae) at Pagak beach ranged from 2 to 4 individuals / m2 with a group pattern of distribution. The abundance tends to be higher in the substrate salinity of 33-35 ppt range. Substrate salinity and abundance of mole crab have weak relationships

Toxicity of Extract Tobacco Leaves to The growth of Oreochromis niloticus Siti Rudiyanti
Saintek Perikanan : Indonesian Journal of Fisheries Science and Technology Vol 6, No 1 (2010): Jurnal Saintek Perikanan
Publisher : Fakultas Perikanan dan Ilmu Kelautan, Universitas Diponegoro

Tobacco can be used as natural pesticide since it contained high concentration of nicotine that may killed pest and fish diseases. This work aimed to know the influence and inhibiting concentration of tobacco leaves extract to the growth of Tilapia. The research was conducted on March to May 2007 at laboratory of Satker PBIAT Ngrajek, Magelang. Fish fry used were in between 1,74±0,105 g with the density of 10 were tested in 20 L fresh water, were tested using several concentration of tobacco leaves extract. Sub lethal toxicity tested in the laboratory using complete random design for 28 days. The result showed that LC50 -96 hours is 22,492 mg/L. It is shown that extract of tobacco leaves has a significant influence to the fish growth. The highest absolute biomass growth is at treatment K (3,72 g), followed by treatment A (3,29 g), B (2,96 g), C (2,75 g), and D (2,24 g). Whereas the highest daily growth rate is also at treatment K (3,93 %), followed by A (3,75 %), B (3,59 %), C (3,45 %), and D (3,06 %). The inhibiting concentration (IC 50) is 15,733 mg/L. Water quality during the experiment indicated a suitable condition for fish life medium. Key Words : Extract of tobacco leaves, Tilapia fry, Growth

PROGRAM PENDAMPINGAN KELOMPOK TANI “KARYA MINA MANDIRI” MANGUNHARJO DALAM RANGKA PENINGKATAN PENJUALAN DAN PROMOSI PRODUK HASIL OLAHAN MANGROVE Niniek Widyorini; Churun A’in; Siti Rudiyanti; Suryanti Suryanti; Pujiono Wahyu Purnomo
Saintek Perikanan : Indonesian Journal of Fisheries Science and Technology Vol 10, No 2 (2015): JURNAL SAINTEK PERIKANAN
Publisher : Fakultas Perikanan dan Ilmu Kelautan, Universitas Diponegoro

Sister Program for “Mina Karya Mandiri” Group to Improve Selling and Promotion Mangrove Processing Product ABSTRAK Kegiatan Pengabdian Masyarakat melalui program pendampingan kelompok tani dilaksanakan sebagai solusi untuk mengatasi stagnasi produksi dan penjualan hasil olahan mangrove (bolu dan krupuk mangrove) yang dihasilkan oleh Kelompok Tani “Karya Mina Mandiri” (KMM) dilaksanakan pada bulan Agustus-September 2014 di Mangunharjo Semarang. Target luaran (outcome) dalam kegiatan ini adalah pemantapan dan penguatan kerjasama yang selama ini telah terjalin antara tim pengabdian masyarakat dengan kelompok tani KMM sebagai mitra binaan, meningkatkan brand image product, meningkatkan hasil penjualan, meningkatkan minat masyarakat terhadap produk olahan mangrove, serta meningkatkan kesadaran akan pentingnya mangrove. Target kegiatan pengabdian masyarakat sudah terlaksana dengan baik sebesar 90% seperti sosialisasi, penyuluhan, perbaikan kemasan (packaging), pengujian informasi gizi produk dan pemberian bantuan alat kemasan. 10% Target kegiatan berupa promosi serta monitoring program pendampingan yang telah dijalankan, belum dapat dilakukan karena kendala bulan musim panen buah mangrove telah berlalu sehingga kelompok tani “Karya Mina Mandiri” belum dapat memproduksi hasil olahan mangrove dalam volume besar. Hasil pengujian kandungan gizi bolu mangrove sebagai berikut : total antioksidan 129%, kalori 364 Kkal/kg, protein 5,5%, lemak 0,61% dan karbohidrat 78,13% sedangkan pengujian kandungan gizi pada krupuk mangrove adalah sebagai berikut : total antioksidan 1,29%, kalori 240 Kkal/kg, protein 3,89%, lemak 0,3%, karbohidrat 68,29%. Berdasarkan kesimpulan tersebut, maka saran yang bisa disampaikan adalah Kendala musim panen buah mangrove perlu diantisipasi dengan cara mengolah semaksimal mungkin buah mangrove untuk dijadikan tepung pada saat panen dan menyimpannya sebagai stock cadangan pada bulan nonpanen. Kata kunci : Program Pendampingan, Olahan Mangrove, Kandungan Gizi, Kemasan Produk, Kelompok Tani “ Karya Mina Mandiri”, Mangunharjo Community Service activities through sister program implemented as a solution to overcome the stagnation in the production and sale of mangrove processed products (cake and krupuks-snacks mangrove) generated by Farmers Group "Mina Karya Mandiri" (KMM). Target outcomes (outcome) in this activities are the establishment and strengthening of cooperation that has been established between a community service teams with farmer groups KMM as trained partners, improve product brand image, increase sales, increase public interest in the mangrove refined products, as well as raising awareness the importance of mangrove. Target community service activities already performing well by 90% as socialization, counseling, improved packaging (packaging), testing the nutritional information of products and provision of packaging tools. 10% target in the form of promotional activities as well as monitoring of assistance programs that have been run, can not be done because of constraints in mangrove fruit harvest season has passed so that farmers group "Mina Karya Mandiri" have not been able to produce results in large volumes of processed mangrove. The test results mangrove nutritional content as follows: total antioxidant 129%, 364 calories Kcal/kg, 5,5% protein, fat and carbohydrate 0,61% 78,13% while testing the nutrient content in the mangrove krupuks-snacks are as follows: total antioxidant 1,29%, calories 240 kcal / kg, 3,89% protein, 0,3% fat, carbohydrates 68,29%. Based on these conclusions, the suggestions can be submitted is Constraints mangrove fruit harvest should be anticipated by processing as much as possible to be used as flour mangrove fruit at harvest and store it as a backup in nonharvest stock. Keywords : Sister Program, Mangrove Processing Product, Nutritional Ingredients, Packaging Products, Farmers Group "Mina Karya Mandiri", Mangunharjo

VALUASI EKONOMI DAN PERSEPSI WISATAWAN TERHADAP POTENSI WISATA PANTAI KARANG JAHE KABUPATEN REMBANG (Economic Valuation and Tourist Perception in Karang Jahe Beach Tourism Potential Rembang Regency) Brenda Sabrina Marsha Putri; Churun Ain; Siti Rudiyanti
Saintek Perikanan : Indonesian Journal of Fisheries Science and Technology Vol 15, No 1 (2019): SAINTEK PERIKANAN
Publisher : Fakultas Perikanan dan Ilmu Kelautan, Universitas Diponegoro

Pantai Karang Jahe (PKJ) merupakan obyek wisata yang memiliki potensi, seperti air laut yang jernih, pasir laut yang putih, terumbu karang serta hamparan pohon cemara, sehingga membuat banyak wisatawan berkunjung. Penelitian ini bertujuan untuk mengetahui valuasi ekonomi serta persepsi wisatawan terhadap PKJ. Penelitian dilakukan di PKJ Jl. Rembang-Lasem, Punjulharjo, Kecamatan Rembang, Kabupaten Rembang Jawa Tengah pada Desember 2017. Penelitian menggunakan metode kuantitatif dengan melakukan survey kepada 100 wisatawan. Pengumpulan data dari responden (dengan kuesioner) teknik sampling accidental sampling, sedangkan analisis valuasi ekonomi nilai biaya wisata menggunakan pendekatan Travel Cost Method. Tipologi wisatawan mayoritas pelajar/mahasiswa, datang berkelompok, tujuan berlibur, ber-pendapatan kurang dari Rp.500.000/bulan dan berasal dari wilayah Rembang. Hasil penelitian menunjukkan total biaya perjalanan yang dikeluarkan wisatawan selama berwisata di PKJ pada tahun 2017 sebesar Rp.136.651.504.395,00; 2016 Rp.93.880.800.000,00; 2015 Rp. 88.050.900.000,00; dan 2014 Rp. 1.535.734.440,00. Nilai total ekonomi pariwisata dipengaruhi oleh jumlah wisatawan dan laju inflasi. Persepsi wisatawan terhadap PKJ masuk kedalam 2 kategori yaitu kurang baik dan tidak baik. Persepsi wisatawan mengenai potensi wisata kuliner, wahana wisata, pelayanan pengelola pantai PKJ yaitu tidak baik. Wisata pantai, fasilitas umum, potensi kenyamanan mendapatkan nilai kurang baik, sehingga wisatawan cukup berkeinginan untuk datang kembali The Karang Jahe Beach (KJB) is a tourist destination with many potentials such as clear sea water, white sand, coral reefs and pine trees. Those potential lead a lot of tourists visit to KJB. The aims of this research were to determine the economic valuation and the tourists perception. The research was conducted at KJB Jl. Rembang-Lasem, Punjulharjo, Rembang Sub-district, Rembang Regency, Central Java in December 2017. The research used quantitative method, with a survey conducted to 100 tourists as a respondents. Accidental sampling is used for data collection using questionnaire. The economic valuation analysis of the tour’s cost value Travel Cost Method approach. Typologies of tourists are mostly students coming from Rembang, in a group for holiday, having incomes of less than Rp.500.000/month. The results showed the total travel cost spent tourists during the trip is Rp.136.651.504.395 in 2017; Rp.93.880.800.000,00 in 2016; Rp.88.050.900.000,00 in 2015; and Rp.1.535.734.440,00 in 2014. The total value of the tourism affected by the number of tourist and rate of inflation. Tourists perception about KJB fall into two categories these are not good enough good and not good. Tourists perception about the potential of culinary tourism, tourist rides and beach management service are not good. Coastal tourism, public facilities, and comfort potential getting less attractive scores to anable tourists to return again in the future.

The Habit Alimentaires Analysis (Food Habit) of Hypoatherina sp. Larvae in East Pelawangan Segara Anakan Cilacap Subiyanto Subiyanto; Herimawan M.F.; Siti Rudiyanti
Saintek Perikanan : Indonesian Journal of Fisheries Science and Technology Vol 3, No 2 (2008): Jurnal Saintek Perikanan
Publisher : Fakultas Perikanan dan Ilmu Kelautan, Universitas Diponegoro

Observations about kind of food in the Hypoatherina sp. side arrested in East Pelawangan Segara Anakan Cilacap. Food habits of observation methods conducted by the method according to the number of Effendie, (1997) 6). Based on the analysis of Hypoatherina sp. larvae food habits and analysis of plankton found in the study showed that the stomach contents of larval size 3,1-5,0 mm or at the beginning of taking food from other species in common with the abundant natural food in the waters, where the largest constituent Bacillariophyceae class. Along with its growth, there is a change in food habits 5,1-7,0 mm long dominated by the food standards Bacillariophyceae (27.5%) and Ciliophora (24.4%). 7,1-9,0 mm long while the standard changed to Bacillariophyceae (19.4%) and Copepod (25.9%). 9,1-11,0 mm, and in turn again to the Copepod (39%) and Cyanophyta (34%). From this research can be concluded that the Hypoatherina sp. is a type of plankton-eating fish, both types of phyto and zooplankton. Key words : Food habit, Fish larvae, Plankton

ECOLOGICAL NICHE BASED ON FISH FOOD COMPETITION AND FEEDING HABIT PATTERNS IN THE JATIBARANG RESERVOIR Churun Ain; Sutrisno Anggoro; Dian Wijayanto; Siti Rudiyanti; Afifatul Isroliyah
Saintek Perikanan : Indonesian Journal of Fisheries Science and Technology Vol 17, No 4 (2021): SAINTEK PERIKANAN
Publisher : Fakultas Perikanan dan Ilmu Kelautan, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/ijfst.17.4.279-284

The purpose of this study was to determine ecological niche, the types of fish caught using gillnet and fishhook, the abundance of plankton, feeding habits and food competition in Jatibarang reservoir. The research was conducted from July until October, 2020. Tilapia (Oreachromis niloticus), Milkfish (Chanos chanos), Grass Carp (Ctenopharyngodon idella), Java Barb (Barbonymus gonionotus), and Red Devil (Amphilophus amarillo) were several types of fish found in the Jatibarang Reservoir. The total abundance of plankton was 4220 ind /, with L.Chlorophyceae dominating with a value 1780 ind / L and Zooplankton with the lowest abundance value of 20 ind / L. The result of the dominant Index of Preponderence (IP) showed Chlorophyceae class as the staple food of Tilapia, Grass Carp and Java Barb with values of 49.86%, 45.16% and 52.34% respectively. Milk fish and Red Devil had no main food (IP < 40%). The others class of plankton (Bacillariophyceae, Coscinodiscophyceae, Dinophyceae, Euglenoidea Cyanopyceae, Fragilariophyceae, and Zygnematophyceae) appeared as complementary foods (IP value 4-40%) and as additional food (IP value lesser than 4%). Milkfish was also found to have the highest ecological niche value of 4.577 and the Red Devil with the lowest value. The result of the niche overlap indicated the strongest good competition occurred between Tilapia and Gras Carp with a yield value of 1, and the lowest overlap value was found between Milkfish and Red Devil.

THE LEAF COLOUR OF MANGROVE (Rhizophora mucronata Lamk) IN TERMS OF ENVIRONMENTAL FACTORS IN MANGROVE FOREST OF MOJO VILLAGE, PEMALANG, INDONESIA Niniek Widyorini; Siti Rudiyanti; Suryanti Suryanti; Churun Ain; Untung Ismoyo
Saintek Perikanan : Indonesian Journal of Fisheries Science and Technology Vol 17, No 4 (2021): SAINTEK PERIKANAN
Publisher : Fakultas Perikanan dan Ilmu Kelautan, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/ijfst.17.4.285-295

Mangrove (Rhizopora mucronata) is one kind of mangrove vegetation that planted on rehabilitation area of Mojo village’s mangrove forest. This species was choosen due easily obtained and sowed so that it dominated in the location. This research aimed to know the conditioning aspect from its leaves color and environmental factors from September - October 2019 in the Mojo village's mangrove forest. A total of 405 leaf samples were chosen in the same condition and derived from three research ie the zone closest to the sea, the zone closest to the river and the Central Zone. The leaf tip has the highest range of leaves color than the other leaf parts. Based on two-way ANOVA analysis, the observed zones having a difference of each other also the observed leaf parts too, while the interaction of them having no distinction significantly. The average color value on the part of the upper leaf surface was 115.3º and the under leaf surface was 88.55º more dynamic than the undersurface. The result of Pearson's correlation analysis was 0,396 that means low. Based on PCA analysis, the leaf color on the part of the upper leaf surface was negatively correlated with soil salinity in the location.

ANALISIS KELIMPAHAN DAN KEANEKARAGAMAN GASTROPODA SEBAGAI INDIKATOR KUALITAS PERAIRAN DI RAWA PENING Fian Anggrita Prabandini; Siti Rudiyanti; Wiwiet Teguh Taufani
Pena Akuatika Jurnal Ilmiah Perikanan Dan Kelautan Vol 20, No 1 (2021): PENA AKUATIKA JURNAL ILMIAH PERIKANAN DAN KELAUTAN
Publisher : Fakultas Perikanan Universitas Pekalongan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31941/penaakuatika.v20i1.1267

ABSTRAKTujuan dari penelitian ini untuk mengetahui kelimpahan gastropoda, konsentrasi bahan organik dan variabel pendukung kualitas perairan di Rawa Pening. Penelitian dilaksanakan pada bulan Oktober 2019 menggunakan teknik purposive sampling dengan total 3 stasiun (inlet, center, outlet). Sampel yang diambil adalah substrat dasar perairan dan gastropoda. Hasil penelitian menunjukan konsentrasi bahan organik berkisar antara 1,06 – 2,62% dengan konsentrasi bahan organik tertinggi terdapat pada stasiun 2 (center) dan konsentrasi bahan organik terendah pada stasiun 1 (inlet). Hubungan antara bahan organik dan kelimpahan gastropoda memiliki korelasi yang kuat dengan (r) sebesar 0,658. Jenis gastropoda yang ditemukan pada perairan Rawa Pening dikelompokan dalam 5 spesies yaitu Melanoides sp, Pila ampullacea, Pila polita, Pila scutata, dan Radix rubiginosa. Kelimpahan individu gastropoda berkisar antara 127 – 4619 ind/m3. Berdasarkan indeks keanekaragaman yang diperoleh, kondisi perairan di Rawa Pening mulai tercemar.Kata kunci: Gastropoda, Indikator Perairan, Kelimpahan, Keanekaragaman, Danau Rawa Pening ABSTRACTThe purpose of this study was to determine the abundance of gastropods, the concentration of organic material and the suppoting variables of water quality on Rawa Pening. The research was conducted in October 2019 using purposive sampling technique with three stations (inlet, center, outlet). The samples taken on the bottom substrate and gastropods. The results showed that the concentration of organic material ranged from 1.06% to 2.62% with the highest concentration of organic material at station 2 and the lowest concentration of organic material at station 1. The relationship between organic material and abudance of gastropods had a strong correlation with (r) 0.658. The types of gastropods which found in Rawa Pening waters are grouped into 5 species, namely Melanoides sp, Pila ampullaceal, Pila polita, Pila scutata, and Radix rubiginosa. The abundance of individual gastropods ranged from 128571 – 220000 ind/m3. Based on the diversity index obtained, the water conditions in Rawa Pening began to become polluted.Keywords: Gastropods, Water Indicator, Abundance, Diversity, Rawa Pening Lake

STATUS PENCEMARAN PERAIRAN WADUK JATIBARANG KOTA SEMARANG PADA BERBAGAI KEGIATAN PERUNTUKAN Water Pollution Status of Jatibarang Reservoir, Semarang City in Various Activities Allocation Fristiwi Silvi Melinda; Siti Rudiyanti; Haeruddin Haeruddin
Management of Aquatic Resources Journal (MAQUARES) Vol 8, No 3 (2019): MAQUARES
Publisher : Fakultas Perikanan dan Ilmu Kelautan, Universitas Diponegoro

ABSTRAK Waduk Jatibarang terletak di Kelurahan Kandri, Kecamatan Gunung Pati, Kota Semarang resmi dioperasikan pada tahun 2014. Pemanfaatan Waduk Jatibarang sebagai penyedia air baku, tempat pariwisata dan kegiatan perikanan. Pemanfaatan waduk dapat menurunkan kualitas air. Tujuan dari penelitian ini untuk mengetahui status pencemaran perairan Waduk Jatibarang berdasarkan berbagai kegiatan peruntukan (kegiatan pariwisata, perikanan dan penyediaan air baku). Penelitian dilaksanakan pada bulan Januari - Pebruari 2019. Metode yang digunakan dalam penelitian ini adalah metode survei. Pengambilan contoh air menggunakan metode purposive sampling, dilakukan 2 (dua) kali pengambilan dengan rentang waktu 1 bulan. Penelitian dilakukan dengan mengukur variabel kualitas air yang terdapat pada PP Nomor 82 Tahun 2001 tentang Pengelolaan Kualitas Air dan Pengendalian Pencemaran Air, antara lain Temperatur, TSS, pH, DO, BOD, COD, Amonia dan Total Coliform. Selanjutnya di analisis dengan metode Indeks Pencemaran sesuai KepMen LH Nomor 115 Tahun 2003 tentang Pedoman Penentuan Status Mutu Air. Perairan Waduk Jatibarang memiliki temperatur berkisar antara 30 - 31◦C, TSS 20 - 80 mg/l, pH netral, DO 6,8 - 8,6 mg/l, BOD 1,46 - 3,95 mg/l, COD 9,7 - 15,69 mg/l, Amonia 0,110 - 0,566 mg/l dan Total Coliform 15 – 4.600 sel/100 ml. Status pencemaran pada dermaga Waduk Jatibarang (kegiatan pariwisata) tercemar ringan – sedang (IP = 3,62 - 5,49). Inlet Waduk Jatibarang (Kegiatan Perikanan) tercemar ringan – sedang (IP = 2,88 – 5,93). Outlet Waduk Jatibarang (penyediaan air baku) tercemar ringan (IP = 1,43 – 1,84). ABSTRACT Jatibarang Reservoir is located in the Village Kandri, District Gunung Pati, Semarang officially operated in 2014. Utilization of Jatibarang Reservoir as a provider of raw water, tourism sites and fisheries activities. Utilization of reservoirs can reduce water quality. The purpose of research to determine the water pollution status of Jatibarang Reservoir in based on the various activities allocation (tourism, fisheries and raw water supply). Research was conducted on January - February 2019. The method used is a survey method. Water sampling using purposive sampling with two replicate and sampling interval 1 month. The research was conducted by measuring the water quality variables by activities allocation according with Government Regulation Number 82 of 2001 about Management of Water Quality and Water Pollution Control, among others temperature, TSS, pH, DO, BOD, COD, ammonia and Total Coliform. Furthermore, analized with Pollution Index according to the decree of the minister of environment of the republic of indonesia number 115 year 2003 regarding Guidelines for Determination of Water Quality Status. Jatibarang Reservoir waters have temperature ranging between 30 - 31◦C, TSS 20 - 80 mg/l, pH neutral, DO 6,8 – 8,6 mg/l, BOD 1,46 – 3,95 mg/l, COD 9,7 - 15,69 mg/l, Ammonia 0,110 – 0,566 mg/l and Total Coliform 15 – 4.600 cells/100 ml. Pollution status of the dock Jatibarang Reservoir (tourism activity) lightly - moderatly polluted (IP = 3,62 – 5,49). Inlet of Reservoir Jatibarang (fisheries activity) lightly - moderately polluted (IP = 2,88 - 5,93). Outlet of Reservoir Jatibarang lightly polluted (IP = 1,43 – 1,84).

TOKSISITAS LIMBAH CAIR PENCUCIAN UDANG dari PASAR KOBONG, SEMARANG TERHADAP PERTUMBUHAN MIKROALGA Chlorella sp. Harry Saxena Saragih; Siti Rudiyanti; Haeruddin Haeruddin
Management of Aquatic Resources Journal (MAQUARES) Vol 7, No 1 (2018): MAQUARES
Publisher : Fakultas Perikanan dan Ilmu Kelautan, Universitas Diponegoro

Pasar Kobong merupakan pasar ikan di kawasan Pengapon, Kecamatan Semarang Utara. Kegiatan pengolahan dan penjualan produk perikanan di pasar ini menghasilkan limbah cair yang berasal dari pencucian ikan dan limbah padat yang berasal dari sisa-sisa kulit ikan tersebut. Tujuan dari penelitian ini adalah untuk mengetahui toksisitas dan pengaruh limbah cair pencucian udang terhadap pertumbuhan kultur Chlorella sp. Penelitian ini dilakukan pada bulan Maret 2017 di laboratorium Pengelolaan Sumberdaya Ikan dan Lingkungan, Universitas Diponegoro. Metode yang digunakan adalah metode eksperimental laboratoris. Rancangan percobaan menggunakan Rancangan Acak Lengkap. Perlakuan yang diberikan pada media uji Chlorella sp. adalah konsentrasi air limbah 0%, 12,5%, 25%, 50%, dan 100%, kemudian dihitung kepadatan akhirnya. Pada penelitian ini juga dilakukan pengukuran parameter DO, amonia, nitrit, dan H2S untuk mengetahui jumlah kandungannya pada limbah cair pencucian udang tersebut. Hasil perhitungan probit stimulasi dengan logaritma konsentrasi limbah kemudian dianalisis menggunakan uji anova dan uji regresi. Hasil uji anova menunjukkan bahwa konsentrasi limbah pencucian udang berpengaruh terhadap pertumbuhan Chlorella sp. Hasil uji regresi menunjukkan bahwa log konsentrasi limbah cair dengan probit stimulasi pertumbuhan Chlorella sp. memiliki hubungan sangat erat dengan nilai r = 0,9345. Hasil penelitian juga menunjukkan bahwa limbah cair pencucian udang dari pasar Kobong mengandung amonia, nitrit, dan H2S pada setiap konsentrasi perlakuan. Berdasarkan uji toksisitas disimpulkan bahwa limbah cair pencucian udang dari pasar Kobong berpengaruh terhadap pertumbuhan Chlorella sp. dan merangsang pertumbuhan Chlorella sp. Nilai SC50 yang diperoleh pada penelitian ini adalah 40,50 %. Pasar Kobong is a fish market in Pengapon area, North Semarang Subdistrict. The activity in this market produce liquid wastes derived from fish wash and solid waste derived from the remains of the fish skin. The purpose of this study was to know the toxicity and effect of waste shrimp washing to the growth of Chlorella sp. This study was conducted on March 2017 in the laboratory of Fish Resources and Environmental Management, Diponegoro University. This study used a laboratory experimental method. The method used is a laboratory experimental method. Treatment given on Chlorella sp. were the concentration of wastewater 0%, 12.5%, 25%, 50%, and 100%, then calculated its final density. This study also measured parameters DO, ammonia, nitrite, and H2S to know the amount of its content in the waste shrimp washing. The result of stimulation probit with logarithm of waste concentration then analyzed using anova test and regression test. Anova test showed that the concentration of shrimp wash waste was affect the growth of Chlorella sp. Regression test show that the log of concentration of liquid waste with stimulation probit of growth of Chlorella sp. has a very close relationship with the value of r = 0.9345. The research also showed that the shrimp liquid waste from Pasar Kobong contains ammonia, nitrite, and H2S at each treatment concentration. Based on toxicity tests can be concluded that the waste liquid washing shrimp affect and stimulate the growth of Chlorella sp. SC50 value obtained in this study was 40,50%.

Co-Authors 'Ain, Churun - Revika, - A'in, Churun Abdul Ghofar Adi, Micael Tri Anggoro Adriani, Arina Afifatul Isroliyah Afifatul Isroliyah agung Suryanto Agus Hartoko Alfizhari, Ananda Erza Putra Ali Djunaedi Amalo, Nancy Marcelina Reinatha Anhar Solichin Aninditia Sabdaningsih Aprilia Kukuh Dwijayati, Aprilia Kukuh Aqil Mushthofa Arif Aji Nugroho Arif Rahman Asih, Dilia Puspita Astri Diana Ekasari Aulia, Namira Aurumitha, Fatikhasiwi Nur Awita, Rida Azzahra, Rizqina Nafa Nur A’in, Churun â€˜Ishmah, Amalina Zata Bambang Sulardiono Boedi Hendrarto Brenda Sabrina Marsha Putri Churun Ain Churun Ain Churun Ain Churun Ain Churun Ain Churun A’in Dafit Ariyanto Delianis Pringgenies Devi Asmiyatna Sari Deviana, Desi Avinda Dewi, Kartika Puspita Dewi, Mayda Anggita Dewi, Prasasti Anugrahini Dian Tri Pramesti Dian Wijayanto Djoko Suprapto Dominig, Amryta Dwi Banu Purnomo Dyah Prajna Swayati, Dyah Prajna Elok Faiqoh Faizin, Khabib Ahsanul Fajar Sidik Pamungkas Febrianto, Sigit Febrilia, Anggita Yohana Fian Anggrita Prabandini FITRIYAH, AINUN Frida Purwanti Fristiwi Silvi Melinda Gozion, Akwila Haeruddin Haeruddin Haeruddin Haeruddin Halimatus Sa’diyah Hanifah, Nisrina Nurfitria Harjanto, Wirawan Harry Saxena Saragih Helmi Ardi, Helmi Henny Liestiana, Henny Herda Mustika Sari, Herda Mustika Herimawan M.F. Ika Rianita Azizah, Ika Rianita Ikhsan, Muhammad Khoirul Isna Yunita Rahmawati Isnanda, Angghardian Kafin Aulia Mayagitha Kartika Putri Kusumaatmaja, Kartika Putri Kukuh Prakoso, Kukuh Lestari, Abid Lubis, Denisya Alyifiya Gusfa Mahaka, Titan Yuri Mardani, Arif Marsaoly, Micail Max Rudolf Muskananfola Max Rudolf Muskanonfola Mei Larasati Meina Siska Prihatin, Meina Siska Menur Rumanti Mohammad Gilang Nur Fajar, Mohammad Gilang Nur Muhammad Dwi Hudoyo Swarto Mustofa Nitisupardjo Nailirohmah, Ulya Melly Nela Sukmawati Nilna Almuna Rizqi Niniek Widyorini Norma Afiati Novananda Nadia Oktavianto Eko Jati Panjaitan, Theresia Pintya Dwanita Ayu Pratesthi, Pintya Dwanita Ayu Prasasti Nusa Pertiwi Nur Fatimah Prijadi Soedarsono Pujiono Wahyu Purnomo Purba, Raymond Doresmas Puspitaningtyas, Indrie Hapsari Putri Dellia Mukhtar, Putri Dellia Putri, Nanda Bunga Sukma Wijaya Rahma, Dwi Aprilia Rahmadhati, Kharisma Yulia Rahmawan, Dimas Yoga Rajib Jaka Dwinta Chandra Rendra Rini Rismatul Chusna Rina Mariana Rini Pramesti Riska Apriliana Salsabila, Ananda Tania Saputro, Danang Adi Sari, Dita Yuliana Setiaji Nugroho Siahaan, Debora Ernika Sinulingga, Hiskia Arapenta Siraj, Ahmad Zhafran Sonia Wulan, Sonia Subiyanto Subiyanto Sulistiyani, Heni Supriharyono Supriharyono Suradi Wijaya Saputra Suryanti Suryanti - Suryanti Suryanti Susi Sumartini Sutrisno Anggoro Sutrisno Anggoro Suwandana, Achmad Fuad Taufani, Wiwiet Teguh Tiara Esha Kinanti Triantoro, Dian Dwi Untung Ismoyo Utami, Sri Aulia Ramaddini Wilis Ari Setyati Wiwiet Teguh Taufani Zevriawan, Aldhimas Bagus

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