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Jurnal Matematika Sains dan Teknologi
Published by Universitas Terbuka
ISSN : 14111934     EISSN : 24429147     DOI : -
Core Subject : Education, Agriculture,
Agriculture, Biological Sciences & Forestry Mathematics Other
Merupakan media informasi dan komunikasi para praktisi, peneliti, dan akademisi yang berkecimpung dan menaruh minat serta perhatian pada pengembangan Matematika, ilmu pengetahuan dan teknologi. Diterbitkan oleh Lembaga Penelitian dan Pengabdian kepada Masyarakat, Universitas Terbuka.
Arjuna Subject : -
Articles 403 Documents
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HUBUNGAN ANOPHELES BARBIROSTRIS DENGAN MALARIA Krisna Iryani
Jurnal Matematika Sains dan Teknologi Vol. 12 No. 1 (2011)
Publisher : LPPM Universitas Terbuka

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Abstract

Malaria is a disease caused by intercellular obligate protozoa genus of Plasmodium which is a parasite carried by female Anopheles mosquito. One of them is Anopheles barbirostris. Research in several places already proved that Anopheles barbirostris acts as a vector of malaria. One case that occurred in Cineam district, Tasikmalaya regency showed that Anopheles barbirostris is suspected as vector of malaria. This is proven through a research on the relationship between Anopheles barbirostris with malaria. Data was taken from the larvae and adult mosquitoes captured around Cineam village, Tasikmalaya. The observation was done in the open field and laboratory. Data and identification by pictorial key for female Anopheles showed that the population of Anopheles barbirostris was always a dominant population compared to another Anopheles species. Because of the breeding ponds and the resting places were around the village, it is suspected that they mainly bit humans. The result of the observation in laboratory showed the life cycle of Anopheles barbirostris are around 20-27 days, and the longevity of 20 days. Morphological identification of Anopheles barbirostris by pictorial key for female Anopheles showed that there is no any significant difference. This research showed that Anopheles barbirostris was suspected as vector of malaria in Cineam village, Tasikmalaya.
PENGARUH PEMBERIAN KOMBINASI PUPUK MAJEMUK NPK (25:7:7) DAN NPK KEMASAN (10:55:10) TERHADAP PERTUMBUHAN VEGETATIF TANAMAN KAMBOJA JEPANG (ADENIUM OBESUM) Sulistiana, Susi
Jurnal Matematika Sains dan Teknologi Vol 10 No 2 (2009)
Publisher : LPPM Universitas Terbuka

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Abstract

The objectives of this research were (i) to identify the effects of combination of compound fertilizers of NPK (25:7:7) and package NPK (10:55:10) on vegetative growth Adenium obesum in stead of Japanese frangipani plant, and (ii) to obtain the best combination of dose of NPK (25:7:7) and package NPK (10:55:10) in order to improve plant vegetative growth of Adenium obesum. This experiment was conducted in employed completely random design with factorial pattern of 4 and three times repetition. Factor I, the dose of NPK (25:7:7) fertilizer in 4 levels of dose : 0.0 g/L; 0.5 g/L; 1.0 g/L; and 1.5 g/L. Meanwhile, Factor II, the dose of package NPK (10:55:10) was applied with 4 levels of dose : 0.0 g/L; 0.5 g/L; 1.0 g/L; and 1.5 g/L. The data obtained were analyzed using variance analysis (ANOVA) technique to identify the influence of the treatment towards variables measured and mean separation was evaluated using DMRT with 5% level of difference. The results show that the use of combination of compound fertilizers NPK (25:7:7) and package NPK (10:55:10) improves plant vegetative growth of Adenium obesum. However, the use of combination of NPK 0.0 g/L and package NPK 0.5 g/L shows unsatisafactory results. The combination of NPK 1.5 g/L and package NPK 1.5 g/L provides the best result in improving plant vegetative growth of Adenium obesum.
PENGARUH LAJU PENUMPUKAN DAN KELEMBABAN FESES BURUNG WALET (Aerodramus fuciphagus) PADA PERUBAHAN WARNA SARANG WALET Iriyani, Dwi; Kuntjoro, Sunu
Jurnal Matematika Sains dan Teknologi Vol 13 No 1 (2012)
Publisher : LPPM Universitas Terbuka

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Abstract

Saat ini belum banyak diketahui faktor penyebab pembentukan warna merah pada sarang burung walet,  dan bagaimana teknik pembentukan warna merah pada sarang burung walet tersebut. Diduga penumpukan feses mempengaruhi perubahan warna pada sarang. Penelitian ini bertujuan mengukur banyaknya feses yang dihasilkan burung walet dalam satu periode pembentukan sarang, mengobservasi pengaruh jumlah dan kelembaban feses terhadap pembentukan warna merah pada sarang. Penelitian eksploratif ini dilaksanakan di Laboratorium Penelitian dan Laboratorium Instrumen Jurusan Kimia FMIPA UNESA dan di rumah burung walet Sidayu Gresik selama 18 minggu (Nopember 2009-Maret 2010). Hasil penelitian menunjukkan feses burung walet pada awal pembentukan sarang menunjukkan jumlah yang sangat sedikit 2,16±0,90 g/minggu (minggu ke-4) dan sarang walet masih menunjukkan warna putih. Sedangkan warna merah terbentuk pada pada minggu ke-14 dengan jumlah feses walet 41,85±4,48 g/minggu. Hasil uji laboratorium menunjukkan bahwa dengan feses walet 250 gr dan kelembaban 80% terjadi perubahan warna sarang merah pada hari ke-11. Pembentukan warna merah sarang burung walet terjadi secara bertahap dengan peningkatan jumlah feses. Kesimpulan penelitian ini adalah keberadaan feses dan kelembaban feses walet menjadi faktor penentu dalam pembentukan warna merah pada sarang burung walet. Edible swallow’s nests with red color are rare and preferred by its consumers. Besides factors affecting the coloration of the birds’ nests are not well-known. It issuspected that the amount of bird’s fecal influence the nest color. Therefore, the aim of this research are to prove that swallow’s fecal  can influence the establishment of red color in swallow’s nest; to measure the amount of fecal matter produced in a single swallow bird nest formation period; and to observe the effect of the amount of feces and humidity on the formation of red color of the nest. Explorative research was done at the Instrument Laboratory of Chemistry Department in FMIPA UNESA and Gresik Sidayu swiftlet house for 18 weeks (November 2010 to March 2011). The results showed that fecal in the early formation was light (2.16 ± 0.90 g / week at 4th week) and swallow’s nest color was white. The red color was formed on the 14th week with larger amount of fecal (41.85 ± 4.48 g / week). Laboratory test results showed that the 250 gr swallow fecal at 80% humidity has changed the nest color to be red on the 11th day. It can be concluded that the formation of the red color of the bird's nest happens gradually in line with increasing  number of bird’s fecal. Meanwhile, humidity of fecal was also influenced the coloration process.  
STUDI KANDUNGAN NUTRISI LIMBAH MEDIA TANAMJAMUR TIRAM PUTIH (PLEUROTUS OSTREATUS) UNTUK PAKAN TERNAK RUMINANSIA ES, Eko Yuliastuti; Susilo, Adhi
Jurnal Matematika Sains dan Teknologi Vol 4 No 1 (2003)
Publisher : LPPM Universitas Terbuka

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Abstract

Growth media waste of white oyster mushroom cultivation can be used as ruminant feed. We observed the nutrient content of the growth media waste. The focus is on the protein, carbohydrate, mineral and crude fiber. The protein, calcium and phosphor content of white oyster mushroom growth media waste is higher than the protein content in the media before it was used for mushroom cultivation. However, the fat content is lower after the media was used than control (the media before it was used). The difference is caused by microorganism degradation. The growth media waste can be used as ruminant feed up to 75 % of total forage dry matter without any negative effect.  
PEMBERDAYAAN EKONOMI NELAYAN PENGOLAH IKAN ASAP DI DESA HATIVE KECIL, KOTA AMBON Hiariey, Lilian Sarah; Romeon, Nesti Rostini
Jurnal Matematika Sains dan Teknologi Vol 16 No 1 (2015)
Publisher : LPPM Universitas Terbuka

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Processing smoked fish is usually in home industrial scale business. Therefore limitations of human resources need to be adjusted in order to optimize them and solve the problems related to developing the industry. This article discusses the availability and problems in developing sustainable smoked fish industry. The research results showed the potential fish industry in the village of Small Hative, smoked fish processing and artificial resourcesincluding shipbuilding and coldstorage . The weaknesses of developing smoked fish industry in the village of Small Hative, due to the limitation of access to capital and management, lack of training in supporting the processing of smoked fish, especially in the application of sanitary and hygiene, lack of expansion or business development. In addition, the weaknesses are due to the unavailability of fisherman organization, lack of networking and business partnerships, and the lack of mentoring and supervision. Developing program to utilize fishermen in the processing of smoked fish should be in participatory process. The program should include developing fishermen organization, developing fishermen knowledge, developing fishermen networking, and developing fishermen supervision Pengolahan ikan asap tergolong dalam usaha skala industri rumah tangga. Karena itu, keterbatasan sumberdaya memerlukan pengaturan yang dapat mengoptimalkan penggunaannya dan menyelesaikan permasalahan yang dihadapi dalam usaha pengolahannya. Artikel ini membahas: potensi dan kondisi serta permasalahan yang dihadapi dalam pengembangan usaha pengolahan ikan asap, rencana program pemberdayaan nelayan untuk mengembangkan usaha pengolahan ikan asap yang mandiri dan berkelanjutan. Hasil penelitian menunjukkan bahwa tersedia banyak potensi perikanan di Desa Hative Kecil diantaranya perikanan tangkap, pengolahan ikan asap serta sumberdaya buatan meliputi galangan kapal dan coldstorage. Lemahnya pengembangan usaha perikanan asap nelayan di Desa Hative Kecil, disebabkan masih terbatasnya akses permodalan dan manajemen, tidak adanya pelatihan untuk mendukung pengolahan perikanan asap terutama dalam penerapan sanitasi dan hygiene, tidak adanya perluasan atau perkembangan usaha. Disamping itu, kelemahan tersebut disebabkan karena belum terbentuknya kelembagaan kelompok nelayan, lemahnya jejaring dan kemitraan usaha serta belum intensifnya pendampingan dan pengawasan. Penyusunan program pemberdayaan nelayan pengolah ikan asap dilakukan secara partisipatif dengan mempertimbangkan potensi, masalah dan kebutuhan nelayan. Program tersebut adalah program pengembangan usaha perikanan asap, dengan berbagai kegiatannya yaitu pengembangan pengetahuan SDM nelayan, pembentukan kelembagaan kelompok nelayan, pengembangan jejaring dan kemitraan dan peningkatan pendampingan dan pengawasan.   
LAJU EKSPLOITASI IKAN TENGGIRI DAN TONGKOL DI KAWASAN KONSERVASI TAMAN NASIONAL KARIMUNJAWA Ernik Yuliana; Nurhasanah Nurhasanah
Jurnal Matematika Sains dan Teknologi Vol. 18 No. 1 (2017)
Publisher : LPPM Universitas Terbuka

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33830/jmst.v18i1.176.2017

Abstract

Karimunjawa National Park (KNP) is a marine protected area established to preserve ecosystems and natural resources. Scomberomorus commerson (tenggiri) and Euthynnus affinis (tongkol) arethe two species of pelagic fish which are the main catches for artisanal fishery in KNP. This study was aimed to analyze the exploitation rate of S. commerson and E. affinis. Field survey was conducted in KNP District of Jepara, Central Java, in June-September 2016. The exploitation rate is measured by analytical method based on fish’s growth and mortality, through measuring the length of the fish for three months. Totally, as many as 314 individuals of S. Commersonand 499 individuals of E. Affinis were measured. The data were analyzed using Fish Stock Assessment Tools (FISAT II) statistical program. The results indicated that S. Commerson have a body-size trend that tends to increase, with the rate of exploitation (E) was 0,29 (under-exploited), which means there is anopportunity to increase it’s utilization. At the other hand, the size of E. Affinis tends to decrease, with the rate of exploitation (E) = 0,5. It means that the condition of utilizationof E. Affinis was at alarming position. It is necessary to control the tongkol fishing by regulating fishing gear, in order to avoid overfishing situation. Taman Nasional Karimunjawa (TNKJ) merupakan salah satu kawasan konservasi yang bertujuan melindungi kelestarian ekosistem dan sumber daya alam. Ikan tenggiri (Scomberomorus commerson)dan tongkol (Euthynnus affinis) adalah ikan pelagis yang merupakan tangkapan utama di TNKJ. Tujuan studi ini adalah menganalisis laju eksploitasi ikan tenggiri dan tongkol. Penelitian dilakukan pada bulan Juni-September 2016. Pengukuran laju eksploitasi menggunakan metode analitik didasarkan pada pertumbuhan dan mortalitas ikan, dengan mengukur panjang ikan hasil tangkapan selama tiga bulan. Jumlah ikan tenggiri yang diukur adalah 314 ekor, dan ikan tongkol adalah 499 ekor. Analisis data menggunakan program Fish Stock Assessment Tools (FISAT II). Hasil penelitian menunjukkan tren ukuran ikan tenggiri cenderung meningkat, dengan laju eksploitasi (E) = 0,29 (under exploited), sehingga pemanfaatannya dapat ditingkatkan. Sementara ukuran ikan tongkol cenderung menurun, dengan laju eksploitasi (E) = 0,5. Kondisi pemanfaatan ikan tongkol berada pada posisi mengkhawatirkan. Sehingga perlu dilakukan pengelolaan terhadap penangkapan ikan tongkol agar tidak mengarah ke penangkapan berlebih, dengan mengatur alat tangkap nelayan.
HUBUNGAN ANTARA PENGGUNAAN AIR BERSIH DAN TINDAKAN PENCEGAHAN DIARE DENGAN DIARE PADA BALITA DI KELURAHAN KEBON BAWANG TANJUNG PRIOK Nurdin, Gusti
Jurnal Matematika Sains dan Teknologi Vol 5 No 2 (2004)
Publisher : LPPM Universitas Terbuka

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This research was made for knowing if there’s of the use of relation between The Use of Fresh Water and The Prevention of Diare Treatment Disease With Diare of babies and children (Balita) in sub district Kebon Bawang of Tanjung Priok. This research use descriptive method and correlation approach conducted of many mothers in sub district of Tanjung Priok Jakarta Utara with 13.687 people of research population 162 samples of people or 1,2 % of population taken with purposive random sampling technique. The results of the first hypothesis showed that there is a positive relation and significant between The Use of Fresh Water with Diare on babies and children in sub district of Tanjung Priok with truth of examination. The result of the second hypothesis showed there is a positive relation and significant between The Prevention of Diare Treatment Disease with Diare on babies and children (Balita) in sub district of Tanjung Priok with truth of examination. The result of third hypothesis showed that there is a positive relation and significant between The Use of Fresh Water and The Prevention of Diare Treatment Disease with Diare a long with the babies and children (Balita) in sub district of Tanjung Priok with the truth of examination. The conclusion of this research is the positive relation and significant between The Use of Fresh Water with Diare of babies and children (Balita), between The Prevention of Diare Treatment Disease and between The Use of Fresh Water and The Prevention of Diare Treatment Disease with Diare a long with the babies and children (Balita) in sub district of Tanjung Priok North Jakarta.  
PERUBAHAN SEBARAN SEL-SEL ASIDOFIL DAN BASOFIL HIPOFISA PENGARUH PEMBERIAN PASAK BUMI (Eurycoma Longifolia Jack) Hurip Pratomo; Iman Supriatna; Wasmen Manalu; Adi Winarto
Jurnal Matematika Sains dan Teknologi Vol. 12 No. 2 (2011)
Publisher : LPPM Universitas Terbuka

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33830/jmst.v12i2.547.2011

Abstract

Pasak bumi is popular as an aphrodisiac in the traditional medical herb. Boiled drink water of the root powder of pasak bumi is believed can increase the secondary reproduction characters such as libido and the duration of erection. This article is part of the research report that focus on: the distribution of hypophysis acidophil and basophil cells caused of the pasak bumi optimal dose treatment. Research carried out in an experiment using Hemaktosilin Eosin(HE) staining method to study micromorphological distribution of the acidophil and basophil cells of the male rat hypophysis after pasak bumi treatment (the dose of 18 mg pasak bumi/200 g body weight during three days, and the control of 1 ml aquadest). Result of the research showed that: Basophyl cells increased significantly in the third days of pasak bumi administered. Meanwhile acidophyl cells decreased in the third days of pasak bumi administered.
UPAYA UNTUK MENINGKATKAN PERTAMBAHAN BOBOT BADAN DAN EFISIENSI PENGGUNAAN PAKAN PADA KAMBING PERANAKAN ETAWAH MENGGUNAKAN SUPLEMEN KATALITIK Agustina, Dian
Jurnal Matematika Sains dan Teknologi Vol 14 No 2 (2013)
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The purpose of this research was to compare the effectiveness of feeding catalytic supplement to peranakan etawah (PE) goats on the daily weight gain. There were twelve  peranakan etawah (PE) goats were allreated in a completely a randomized design 3x4. There were twelve goats with 10-13 kg weight and placed in to 12 individual cages. Four treatments with three replications. Ration of treatments were R1 = 0 g, R2 = 10 g, R3 = 20 g, R4; 30 g. Low quality forage used as the fibrous feed source. Intake feed, weigt gain, an the efficiency of feed utilization were also determined. The result edicated that catalytic supplement  R4 (73,8 g/head/day/) showed a greater daily weight gain compare to R2 (67,6 g/head/day) and R1 (65,5 g/head/day) Penelitian ini bertujuan untuk mengetahui efektifitas suplemen katalitik sebagai upaya untuk meningkatkan pertambahan bobot badan dan efisiensi penggunaan pakan pada kambing peranakan etawah (PE). Kambing PE yang digunakan sebanyak 12 ekor dengan berat 10-13 kg umur 1 tahun dibagi dalam 12 kandang individual. Empat perlakuan ransum ditambahkan suplemen katalitik berbahan dasar sagu, yaitu: R1 =0 g, R2 = 10 g, R3 =20 g, dan R4 = 30 g, tiap perlakuan terdiri atas 3 ulangan. Pakan berkualitas rendah digunakan sebagai pakan basal. Selama penelitian berlangsung dilakukan pengamatan terhadap konsumsi pakan, pertambahan bobot badan, dan efisiensi penggunaan pakan. Data yang diperoleh dianalisis dengan sidik ragam pola rancangan acak lengkap, dilanjutkan dengan uji Duncan. Hasil penelitian menjelaskan bahwa pertambahan bobot badan R4 (73,8 g/ekor/hari)lebih baik dibandingkan dengan R2 (67,6 g/ekor/hari) dan R1 (65,5 g/ekor/hari)
PREDIKSI TOTAL HUJAN BULANAN DI TANJUNGPANDAN MENGGUNAKAN PERSAMAAN REGRESI DENGAN PREDIKTOR SST NINO 3.4 DAN INDIA OCEAN DIPOLE (IOD) Supriyadi, Slamet
Jurnal Matematika Sains dan Teknologi Vol 16 No 2 (2015)
Publisher : LPPM Universitas Terbuka

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Indonesia is a maritime continent region where the weather and climate of Indonesia are affected by various atmospheric dynamics both on a global scale regional scale, scale synoptic and local scale. Weather and climate in Indonesia is influenced by three areas of sea in particular with regard to the sea surface temperature anomaly that Indonesia sea surface temperature, sea surface temperature Nino 3.4 region (Central Pacific) and the Indian Ocean sea surface temperature. The method in this research is multiple linear regression method to predict the total monthly rainfall in Tanjungpandan with predictors Nino 3.4 and Dipole Mode Index, while the independent variable (dependent) is the total monthly rainfall. In general the predicted results by the predictor Nino 3.4 and Dipole Mode Index shows that the value is longer (over estimate) the value of observations. Validation results with the predictions of total monthly rainfall predictor Nino 3.4 and Dipole Mode Index produce a correlation coefficient values and good RMSE is r = 0,89 and RMSE = 81,04%. Indonesia merupakan kawasan benua maritim dimana cuaca dan iklim wilayah Indonesia dipengaruhi berbagai dinamika atmosfer baik dalam skala global, skala regional, skala sinoptik dan skala lokal. Cuaca dan iklim di Indonesia dipengaruhi oleh tiga wilayah lautan khususnya berkaitan dengan anomali suhu muka laut yaitu suhu muka laut Indonesia, Suhu muka laut wilayah Nino 3.4 (Pasifik Tengah) dan suhu muka laut Samudera Hindia. Metode yang digunakan dalam penelitian ini adalah metode regresi linier berganda untuk memprediksi total hujan bulanan di Tanjungpandan dengan prediktor Nino 3.4 dan Dipole Mode Index, sedangkan variable tidak bebasnya (dependent) adalah total hujan bulanan. Secara umum hasil prediksi dengan predictor Nino 3.4 dan Dipole Mode Index menunjukkan hasil yang lebih besar (over estimate) dari nilai observasinya. Hasil validasi prediksi total hujan bulanan dengan prediktor Nino 3.4 dan Dipole Mode Index menghasilkan nilai koefisien korelasi dan RMSE yang baik yaitu r = 0,89 dan RMSE = 81,04%.

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