Pub Date : 2021-07-22DOI: 10.31258/jipas.9.2.p.94-98
E. Erwansyah, Nunik Cokrowati, S. Sunaryo
Budidaya rumput laut dapat dilakukan pada perairan yang memiliki kondisi lingkungan yang sesuai dengan habitat rumput laut. Kappaphycus alvarezii merupakan jenis rumput laut yang tergolong alga merah penghasil karaginan yang dibudidayakan di perairan Indonesia termasuk di Pulau Sumbawa. Budidaya rumput laut K.alvarezii mulai dilakukan kembali pada tahun 2020 di perairan pantai Jelenga yang terletak di Kabupaten Sumbawa Barat. Metode budidaya yang digunakan adalah metode patok dasar dengan memanfaatkan area pasang surut yang masih tetap terendam air pada saat surut terendah. Tujuan penelitian ini adalah untuk mengetahui kondisi lingkungan perairan pantai Jelenga saat ini untuk area budidaya rumput laut K. alvarezii. Kondisi lingkungan tersebut diantaranya adalah kualitas air lokasi budidaya. Penelitian ini menggunakan metode survei langsung di lokasi penelitian. Hasil penelitian menunjukkan bahwa perairan pantai Jelenga memiliki kisaran suhu 29,2-29,8°C, pH 7,2-7,1, salinitas 32-34 ppt, oksigen terlarut 5,2-7,8 mg/L, nitrat 11-12,7 mg/L, fosfat 0,004-0,12 mg/L, dan kecepatan arus 7,2–16 cm/detik. Kesimpulan penelitian ini adalah kondisi lingkungan perairan pantai Jelengah saat ini sesuai dengan lingkungan yang disayaratkan sebagai area budidaya rumput laut K alvarezii
{"title":"Kondisi Perairan Pantai Jelenga Sumbawa Barat sebagai Area Budidaya Rumput Laut Kappaphycus alvarezii","authors":"E. Erwansyah, Nunik Cokrowati, S. Sunaryo","doi":"10.31258/jipas.9.2.p.94-98","DOIUrl":"https://doi.org/10.31258/jipas.9.2.p.94-98","url":null,"abstract":"Budidaya rumput laut dapat dilakukan pada perairan yang memiliki kondisi lingkungan yang sesuai dengan habitat rumput laut. Kappaphycus alvarezii merupakan jenis rumput laut yang tergolong alga merah penghasil karaginan yang dibudidayakan di perairan Indonesia termasuk di Pulau Sumbawa. Budidaya rumput laut K.alvarezii mulai dilakukan kembali pada tahun 2020 di perairan pantai Jelenga yang terletak di Kabupaten Sumbawa Barat. Metode budidaya yang digunakan adalah metode patok dasar dengan memanfaatkan area pasang surut yang masih tetap terendam air pada saat surut terendah. Tujuan penelitian ini adalah untuk mengetahui kondisi lingkungan perairan pantai Jelenga saat ini untuk area budidaya rumput laut K. alvarezii. Kondisi lingkungan tersebut diantaranya adalah kualitas air lokasi budidaya. Penelitian ini menggunakan metode survei langsung di lokasi penelitian. Hasil penelitian menunjukkan bahwa perairan pantai Jelenga memiliki kisaran suhu 29,2-29,8°C, pH 7,2-7,1, salinitas 32-34 ppt, oksigen terlarut 5,2-7,8 mg/L, nitrat 11-12,7 mg/L, fosfat 0,004-0,12 mg/L, dan kecepatan arus 7,2–16 cm/detik. Kesimpulan penelitian ini adalah kondisi lingkungan perairan pantai Jelengah saat ini sesuai dengan lingkungan yang disayaratkan sebagai area budidaya rumput laut K alvarezii","PeriodicalId":442396,"journal":{"name":"Ilmu Perairan (Aquatic Science)","volume":"80 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-07-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130852277","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2021-03-31DOI: 10.31258/jipas.9.1.p.56-67
Pajri Aris, D. Yoswaty, M. Mubarak
The aim of the study was to discover the potential level of pasumpahan island as destination for marine ecotourism. The method used was survey methods, data was consisting of primary and secondary data. Interviewing sampling method was used purposively, particularly for tourist sample for local Beach has a big potential in marine tourism and prossess a big chance to develop in marine ecotourism sector. It was showed by the suitability value of marine ecotourism development. The value was resulted through tourism proponent criteria, total scores of IKW and SWOT analysis
{"title":"The Potential of Marine Ecotourism in Pasumpahan Island Sungai Pisang Regency West Sumatera Province","authors":"Pajri Aris, D. Yoswaty, M. Mubarak","doi":"10.31258/jipas.9.1.p.56-67","DOIUrl":"https://doi.org/10.31258/jipas.9.1.p.56-67","url":null,"abstract":"The aim of the study was to discover the potential level of pasumpahan island as destination for marine ecotourism. The method used was survey methods, data was consisting of primary and secondary data. Interviewing sampling method was used purposively, particularly for tourist sample for local Beach has a big potential in marine tourism and prossess a big chance to develop in marine ecotourism sector. It was showed by the suitability value of marine ecotourism development. The value was resulted through tourism proponent criteria, total scores of IKW and SWOT analysis","PeriodicalId":442396,"journal":{"name":"Ilmu Perairan (Aquatic Science)","volume":"24 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-03-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133059401","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2021-03-31DOI: 10.31258/jipas.9.1.p.77-85
M. Mardalisa, E. B. Fatwa, D. Yoswaty, F. Feliatra, I. Effendi, B. Amin
One of the interesting and environmentally friendly microbiology strategies and approaches to control the impact of microplastics is to approach bioremediation technology by harnessing the potential of microbes or indigenous bacteria (local bacteria). Dumai sea waters currently show a high enough of microplastic pollution which allows the potential of indigenous bacteria to adapt to a plastic environment. The purpose of this study is to isolate and identify indigenous bacteria to degrade plastics from the sea waters of Dumai and to know whether or not there is a difference in the number of bacteria found between stations in this study. This research was conducted in October-December 2020 with experimental methods at the Marine Microbiology Laboratory Faculty of Fisheries and Marine Science Universitas Riau. Based on the results of the study, 12 bacterial isolates were isolated from the research stations. Isolates of these bacteria have diamaters ranging from 0.2-1.1 cm. Microplastic degradation test results by bacteria found that ISL 10 is an isolate that shows the highest PET degradation activity, which is 17.27% and the diameter of biofilm formation 0.8 cm. Based on biochemical and morphological tests, similar results were obtained that ISL 10 bacteria are a bacterium of the genus Bacillus. The most bacterial colonies were seen in statiun IV (TPI) with an average number of bacteria of 214.9 x 104 CFU/ml.
{"title":"Isolation and Identification of Indigenous Plastic-Degrading Bacteria from Dumai’s Ocean Water of Riau Province","authors":"M. Mardalisa, E. B. Fatwa, D. Yoswaty, F. Feliatra, I. Effendi, B. Amin","doi":"10.31258/jipas.9.1.p.77-85","DOIUrl":"https://doi.org/10.31258/jipas.9.1.p.77-85","url":null,"abstract":"One of the interesting and environmentally friendly microbiology strategies and approaches to control the impact of microplastics is to approach bioremediation technology by harnessing the potential of microbes or indigenous bacteria (local bacteria). Dumai sea waters currently show a high enough of microplastic pollution which allows the potential of indigenous bacteria to adapt to a plastic environment. The purpose of this study is to isolate and identify indigenous bacteria to degrade plastics from the sea waters of Dumai and to know whether or not there is a difference in the number of bacteria found between stations in this study. This research was conducted in October-December 2020 with experimental methods at the Marine Microbiology Laboratory Faculty of Fisheries and Marine Science Universitas Riau. Based on the results of the study, 12 bacterial isolates were isolated from the research stations. Isolates of these bacteria have diamaters ranging from 0.2-1.1 cm. Microplastic degradation test results by bacteria found that ISL 10 is an isolate that shows the highest PET degradation activity, which is 17.27% and the diameter of biofilm formation 0.8 cm. Based on biochemical and morphological tests, similar results were obtained that ISL 10 bacteria are a bacterium of the genus Bacillus. The most bacterial colonies were seen in statiun IV (TPI) with an average number of bacteria of 214.9 x 104 CFU/ml.","PeriodicalId":442396,"journal":{"name":"Ilmu Perairan (Aquatic Science)","volume":"220 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-03-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131474362","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2021-03-31DOI: 10.31258/jipas.9.1.p.68-76
R. Radhiyah, W. Windarti, R. Putra
Swamp eel is one of the freshwater fish that live in the waters around the Riau Main Stadium. This research aims to understand the growth pattern, feeding habit and to determine the type of food present in the fish’s stomach. This research was carried out in September-October 2020. Sampling was conducted five times, once/week, using a fish rod and bamboo fish trap. There were 52 fishes captured (TL 291-613 mm and weight 30-132 gr). The stomach content was analyzed using a volumetric method and the Preponderance Index (PI) of each type of food was calculated. The length-weight relationship shown that the growth of female, intersex and male was negative allometric (b=2.40 in female, b=1,56 in intersex and b= 2,02 in male). Results showed that the food of M. albus in the waters around the Riau Main Stadium consists of insects (PI 49%), fish remains (PI 32%), mollusc (PI 9%), plants (PI 9%) and unidentified materials (1%). Based on data obtained, this fish categorized.
{"title":"Growth Patterns and Food Habits of Swamp Eel (Monopterus albus) from the Common Water of the Riau Main Stadium","authors":"R. Radhiyah, W. Windarti, R. Putra","doi":"10.31258/jipas.9.1.p.68-76","DOIUrl":"https://doi.org/10.31258/jipas.9.1.p.68-76","url":null,"abstract":"Swamp eel is one of the freshwater fish that live in the waters around the Riau Main Stadium. This research aims to understand the growth pattern, feeding habit and to determine the type of food present in the fish’s stomach. This research was carried out in September-October 2020. Sampling was conducted five times, once/week, using a fish rod and bamboo fish trap. There were 52 fishes captured (TL 291-613 mm and weight 30-132 gr). The stomach content was analyzed using a volumetric method and the Preponderance Index (PI) of each type of food was calculated. The length-weight relationship shown that the growth of female, intersex and male was negative allometric (b=2.40 in female, b=1,56 in intersex and b= 2,02 in male). Results showed that the food of M. albus in the waters around the Riau Main Stadium consists of insects (PI 49%), fish remains (PI 32%), mollusc (PI 9%), plants (PI 9%) and unidentified materials (1%). Based on data obtained, this fish categorized.","PeriodicalId":442396,"journal":{"name":"Ilmu Perairan (Aquatic Science)","volume":"142 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-03-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116862197","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2021-03-30DOI: 10.31258/jipas.9.1.p.6-15
Radiatul Husnaini, I. Suharman, A. Adelina
This research was conducted from January - March 2020. The aimed of this research was to evaluate the effect of using fermented A. microphylla flour in the diet on feed digestibility, feed efficiency and growth of red tilapia, and the best percentage of A. microphylla flour fermentation in the diet to increase feed efficiency and growth of red tilapia. This study used a one-factor completely randomized design (CRD) with 5 treatments and 3 replications. The treatments in this study were P0 (0% FTA), P1 (25% FTA), P2 (50% FTA), P3 (75% FTA), P4 (100% FTA) in feed. Diet as much as 10% of the weight of the biomass is given three times a day, namely at 07.00, 12.00 and 17.00 WIB. The red tilapia used were 5.50 ± 0.71 cm in size with an average weight of 1.27 ± 0.08g and a stocking density of 25 fish /m3. The results showed that giving azola leaf flour fermented could increase the growth and survival of red tilapia. The use of 25% fermented A. microphylla leaf meal (P1) gave the best results for the feed digestibility value of 75.96%, 76.59% protein digestibility, 62.07% feed efficiency, 85.36% protein retention, specific growth rate 4, 31% and the cost of the test feed is Rp. 8,310.
{"title":"Utilization of Azolla Flour (Azolla microphylla) Fermentation in Diet to Increase Growth of Red Tilapia (Oreochromis niloticus)","authors":"Radiatul Husnaini, I. Suharman, A. Adelina","doi":"10.31258/jipas.9.1.p.6-15","DOIUrl":"https://doi.org/10.31258/jipas.9.1.p.6-15","url":null,"abstract":"This research was conducted from January - March 2020. The aimed of this research was to evaluate the effect of using fermented A. microphylla flour in the diet on feed digestibility, feed efficiency and growth of red tilapia, and the best percentage of A. microphylla flour fermentation in the diet to increase feed efficiency and growth of red tilapia. This study used a one-factor completely randomized design (CRD) with 5 treatments and 3 replications. The treatments in this study were P0 (0% FTA), P1 (25% FTA), P2 (50% FTA), P3 (75% FTA), P4 (100% FTA) in feed. Diet as much as 10% of the weight of the biomass is given three times a day, namely at 07.00, 12.00 and 17.00 WIB. The red tilapia used were 5.50 ± 0.71 cm in size with an average weight of 1.27 ± 0.08g and a stocking density of 25 fish /m3. The results showed that giving azola leaf flour fermented could increase the growth and survival of red tilapia. The use of 25% fermented A. microphylla leaf meal (P1) gave the best results for the feed digestibility value of 75.96%, 76.59% protein digestibility, 62.07% feed efficiency, 85.36% protein retention, specific growth rate 4, 31% and the cost of the test feed is Rp. 8,310.","PeriodicalId":442396,"journal":{"name":"Ilmu Perairan (Aquatic Science)","volume":"39 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-03-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125294286","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2021-03-30DOI: 10.31258/jipas.9.1.p.23-30
Geri Gunawan, A. Adelina, I. Suharman
Asian redtail catfish (Hemibagrus nemurus) are fish that have high economic value. The Aimed of this study was to know of the effect the use of fermented Pistia stratiotes flour and to know the percentage of best P. stratiotes flour fermentation on the growth of Asian redtail catfish fingerling. The method in this study is a completely randomized design (CRD) with five treatments and three replications, the treatments are P0 (100% soybean flour, 0% fermented P. stratiotes flour), P1 (TK 95%, TKAT 5%), P2 (P2 TK 90%, TKAT 10%), P3 (TK 85%, TKAT 15%), and P4 (TK 80%, TKAT 20%). The fish used were 5.00 ± 1.00 cm long and weighed 1.50 ± 0.50 g, with a stocking density of 20 fish/m3. Fish are kept for 56% with a frequency of feeding three times a day. The results showed that the substitution of fermented P. stratiotes flour was able to effect the growth of Asian redtail catfish. The dosage of fermented P. stratiotes flour as much as 15% gives the best results on the growth of Asian redtail catfish, namely the specific growth rate (SGR), feed efficiency, and survival rate of 3.93%, 46.47% and 96.7%.
{"title":"Utilization of Fermented Pistia stratiotes L. Flour in Diet for Growth Asian Redtail Catfish (Hemibagrus nemurus)","authors":"Geri Gunawan, A. Adelina, I. Suharman","doi":"10.31258/jipas.9.1.p.23-30","DOIUrl":"https://doi.org/10.31258/jipas.9.1.p.23-30","url":null,"abstract":"Asian redtail catfish (Hemibagrus nemurus) are fish that have high economic value. The Aimed of this study was to know of the effect the use of fermented Pistia stratiotes flour and to know the percentage of best P. stratiotes flour fermentation on the growth of Asian redtail catfish fingerling. The method in this study is a completely randomized design (CRD) with five treatments and three replications, the treatments are P0 (100% soybean flour, 0% fermented P. stratiotes flour), P1 (TK 95%, TKAT 5%), P2 (P2 TK 90%, TKAT 10%), P3 (TK 85%, TKAT 15%), and P4 (TK 80%, TKAT 20%). The fish used were 5.00 ± 1.00 cm long and weighed 1.50 ± 0.50 g, with a stocking density of 20 fish/m3. Fish are kept for 56% with a frequency of feeding three times a day. The results showed that the substitution of fermented P. stratiotes flour was able to effect the growth of Asian redtail catfish. The dosage of fermented P. stratiotes flour as much as 15% gives the best results on the growth of Asian redtail catfish, namely the specific growth rate (SGR), feed efficiency, and survival rate of 3.93%, 46.47% and 96.7%.","PeriodicalId":442396,"journal":{"name":"Ilmu Perairan (Aquatic Science)","volume":"28 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-03-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125472356","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2021-03-30DOI: 10.31258/jipas.9.1.p.38-48
Yossie Amanda, A. Mulyadi, Y. Siregar
This study was conducted in March 2020 located in Muara Sungai Batang Apar North Pariaman District Pariaman City of West Sumatra Province. The aimed of the study is to find out the amount of density, biomass, carbon stock and CO2 uptake, as well as to know the relationship of density with biomass, carbon stocks and CO2 uptake. The method used in this study is a method of surveying and analyzing samples conducted in the Marine Chemistry Laboratory of the Department of Marine Sciences Faculty of Fisheries and Marine, Riau University. The average number of mangrove upright densities in the study area at all three stations was 1.407,41 ind/ha, the average amount of mangrove biomass is 666,97 tons/ha, the average amount of mangrove carbon stock is 313,52 tons/ha, the average amount of soil carbon stock is 2.561,90 tons/ha and the average amount of CO2 uptake is 1.149,56 tons/ha.
这项研究于2020年3月在西苏门答腊省北帕里亚曼区帕里亚曼市的Muara Sungai Batang Apar进行。研究的目的是找出密度、生物量、碳储量和CO2吸收量，并了解密度与生物量、碳储量和CO2吸收量的关系。本研究使用的方法是在廖内大学渔业与海洋学院海洋科学系海洋化学实验室进行的测量和分析样本的方法。3个站点研究区平均红树林直立密度为1.407.41 ind/ha，平均红树林生物量为666 97 t /ha，平均红树林碳储量为313 52 t /ha，平均土壤碳储量为2.561 90 t /ha，平均CO2吸收量为1.149 56 t /ha。
{"title":"Estimation of Carbon Reserved in Mangrove Forest at the Estuary of the Batang Apar River, North Pariaman District, Pariaman City, West Sumatra Province","authors":"Yossie Amanda, A. Mulyadi, Y. Siregar","doi":"10.31258/jipas.9.1.p.38-48","DOIUrl":"https://doi.org/10.31258/jipas.9.1.p.38-48","url":null,"abstract":"This study was conducted in March 2020 located in Muara Sungai Batang Apar North Pariaman District Pariaman City of West Sumatra Province. The aimed of the study is to find out the amount of density, biomass, carbon stock and CO2 uptake, as well as to know the relationship of density with biomass, carbon stocks and CO2 uptake. The method used in this study is a method of surveying and analyzing samples conducted in the Marine Chemistry Laboratory of the Department of Marine Sciences Faculty of Fisheries and Marine, Riau University. The average number of mangrove upright densities in the study area at all three stations was 1.407,41 ind/ha, the average amount of mangrove biomass is 666,97 tons/ha, the average amount of mangrove carbon stock is 313,52 tons/ha, the average amount of soil carbon stock is 2.561,90 tons/ha and the average amount of CO2 uptake is 1.149,56 tons/ha.","PeriodicalId":442396,"journal":{"name":"Ilmu Perairan (Aquatic Science)","volume":"32 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-03-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133735086","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2021-03-30DOI: 10.31258/jipas.9.1.p.16-22
Isolasi dan Identifikasi, Bakteri Penghasil Biosurfaktan, Asal Limbah, Cair Tahu, UD. Dika Putra, Provinsi Riau, Sonia Kamallia
Tofu liquid waste contains high levels of organic matter, especially protein and amino acids. These organic compounds can be proteins, carbohydrates and fats. Most of the bacteria are able to use oil or fat as a source of carbon and energy, bacteria that have this ability are often known as lipolytic bacteria. This study aims to obtain biosurfactant producing bacteria from tofu wastewater. This research was conducted from July - September 2020. The method used in this research is survey method and emulsification method. The media used for bacterial isolation were Tryptic Soy Broth (TSB) and Tryptic Soy Agar (TSA). 6 of the isolates are able to produce biosurfactants. Morphological and biochemical characteristics indicate six bacterial genera, namely Genus Agrobacterium, Proteus, Proteus, Citrobacter, Enterobacter, and Serratia. The bacteria obtained are bacteria that have the potential to degrade oil in a polluted environment.
{"title":"Isolation and Identification of Biosurfactant Producing Bacteria from Tofu Liquid Waste UD. Dika Putra, Riau Province","authors":"Isolasi dan Identifikasi, Bakteri Penghasil Biosurfaktan, Asal Limbah, Cair Tahu, UD. Dika Putra, Provinsi Riau, Sonia Kamallia","doi":"10.31258/jipas.9.1.p.16-22","DOIUrl":"https://doi.org/10.31258/jipas.9.1.p.16-22","url":null,"abstract":"Tofu liquid waste contains high levels of organic matter, especially protein and amino acids. These organic compounds can be proteins, carbohydrates and fats. Most of the bacteria are able to use oil or fat as a source of carbon and energy, bacteria that have this ability are often known as lipolytic bacteria. This study aims to obtain biosurfactant producing bacteria from tofu wastewater. This research was conducted from July - September 2020. The method used in this research is survey method and emulsification method. The media used for bacterial isolation were Tryptic Soy Broth (TSB) and Tryptic Soy Agar (TSA). 6 of the isolates are able to produce biosurfactants. Morphological and biochemical characteristics indicate six bacterial genera, namely Genus Agrobacterium, Proteus, Proteus, Citrobacter, Enterobacter, and Serratia. The bacteria obtained are bacteria that have the potential to degrade oil in a polluted environment.","PeriodicalId":442396,"journal":{"name":"Ilmu Perairan (Aquatic Science)","volume":"142 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-03-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123073710","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2021-03-30DOI: 10.31258/jipas.9.1.p.49-55
Kristina P. Sinaga, M. Hasbi, E. Purwanto
The slaughterhouse wastewater is rich of oil and fat and it may inhabit by biosurfactant producing bacteria. Isolation of the bacteria is needed in order to find out a biosurfactant producing bacteria that can be used to maintain the oil and fat polluted area through bioremediation process. To isolate and identify the biosurfactant-producing bacteria, a study has been conducted on July to September 2020. The samples were obtained from slaughterhouse wastewater at Cipta Karya street Pekanbaru, Riau Province and samplings were conducted three times. The isolation was conducted by TSB (Tryptic Soy Broth) and incubated for 24 hours. Then the bacterial samples were planted by TSA (Tryptic Soy Agar) and isolated for 24 hours. Then, it was identified using biochemical and morphological tests were carried out to find out the types of bacteria. The Emulsification Index was then calculated by using TSB (Tryptic Soy Broth) and kerosene. Results shown that the emulsification index were Flavobacterium 53%, Agrobacterium 53%, Serratia 60%, Salmonella 52. 5%, Salmonella 52.4%, Proteus 65.7%, Clostridium 62% and Aeromonas 59.5%. As Proteus is shown the highest Emulsification Index, it was check using a PCR (Polymerase Chain Reaction) and it is proved that the species is Proteus vulgaris
{"title":"Isolation and Identification of Biosurfactant Producing Bacteria from Slaughterhouse Wastewater","authors":"Kristina P. Sinaga, M. Hasbi, E. Purwanto","doi":"10.31258/jipas.9.1.p.49-55","DOIUrl":"https://doi.org/10.31258/jipas.9.1.p.49-55","url":null,"abstract":"The slaughterhouse wastewater is rich of oil and fat and it may inhabit by biosurfactant producing bacteria. Isolation of the bacteria is needed in order to find out a biosurfactant producing bacteria that can be used to maintain the oil and fat polluted area through bioremediation process. To isolate and identify the biosurfactant-producing bacteria, a study has been conducted on July to September 2020. The samples were obtained from slaughterhouse wastewater at Cipta Karya street Pekanbaru, Riau Province and samplings were conducted three times. The isolation was conducted by TSB (Tryptic Soy Broth) and incubated for 24 hours. Then the bacterial samples were planted by TSA (Tryptic Soy Agar) and isolated for 24 hours. Then, it was identified using biochemical and morphological tests were carried out to find out the types of bacteria. The Emulsification Index was then calculated by using TSB (Tryptic Soy Broth) and kerosene. Results shown that the emulsification index were Flavobacterium 53%, Agrobacterium 53%, Serratia 60%, Salmonella 52. 5%, Salmonella 52.4%, Proteus 65.7%, Clostridium 62% and Aeromonas 59.5%. As Proteus is shown the highest Emulsification Index, it was check using a PCR (Polymerase Chain Reaction) and it is proved that the species is Proteus vulgaris","PeriodicalId":442396,"journal":{"name":"Ilmu Perairan (Aquatic Science)","volume":"62 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-03-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132602039","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2021-03-30DOI: 10.31258/jipas.9.1.p.1-5
Ogesnain Sinaga, M. Mubarak, E. Elizal
The research was aimed to map the sea surface temperature (SST) distribution in Sibolga waters that based on 20 years satellite image of NOAA/AVHRR. It used survey method for ground check in the field to collect in situ SST and other seawater parameters such as its visibillity, pH, and salinity. It found that the SST changes on each 5 year’s calculations with different pattern of distribution; the figures of SST ranged between 28.5-30 oC, 30.5-31 oC, 27-29 oC, and 27.5-28.5 oC. In addition, the pH of seawater ranged from 6-7 and 27-30 ppt in average. Different pattern of SST distribution might be related to global change on temperature and season over 20 years of study.
{"title":"Mapping of Sea Surface Temperature Distribution, Sibolga City, North Sumatera Province using NOAA/AVHRR Satellite","authors":"Ogesnain Sinaga, M. Mubarak, E. Elizal","doi":"10.31258/jipas.9.1.p.1-5","DOIUrl":"https://doi.org/10.31258/jipas.9.1.p.1-5","url":null,"abstract":"The research was aimed to map the sea surface temperature (SST) distribution in Sibolga waters that based on 20 years satellite image of NOAA/AVHRR. It used survey method for ground check in the field to collect in situ SST and other seawater parameters such as its visibillity, pH, and salinity. It found that the SST changes on each 5 year’s calculations with different pattern of distribution; the figures of SST ranged between 28.5-30 oC, 30.5-31 oC, 27-29 oC, and 27.5-28.5 oC. In addition, the pH of seawater ranged from 6-7 and 27-30 ppt in average. Different pattern of SST distribution might be related to global change on temperature and season over 20 years of study.","PeriodicalId":442396,"journal":{"name":"Ilmu Perairan (Aquatic Science)","volume":"85 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-03-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115850934","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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