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EKOLOGIA : Jurnal Ilmiah Ilmu Dasar dan Lingkungan Hidup
Published by Universitas Pakuan
ISSN : 14419447     EISSN : 26864894     DOI : 10.33751
Core Subject : Science, Education, Social, Engineering,
Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Environmental Science Mathematics
Ekologia adalah jurnal ilmiah yang diterbitkan untuk mengakomodasi tulisan hasil penelitian bagi sivitas akademika Universitas Pakuan khususnya dan instansi lain di luar Universitas Pakuan pada umumnya. Jurnal ini memuat artikel primer yang bersumber langsung dari hasil penelitian Ilmu Dasar dan Lingkungan Hidup. Ekologia diterbitkan dua kali dalam setahun yaitu pada bulan April dan Oktober oleh Fakultas Matematika dan Ilmu Pengetahuan Alam-Universitas Pakuan. Semoga Jurnal ini bermanfaat bagi perkembangan hasanah ilmu pengetahuan.
Arjuna Subject : -
Articles 381 Documents
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PENERAPAN VISUALISASI 3D TANAMAN AIR BERBASIS ANDROID PADA MAHASISWA BIOLOGI Karlitasari, Lita; Ismanto, -; Putra, Agung Prajuhana
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Publisher : Fakultas Matematika dan ilmu pengetahuan Alam. Universitas Pakuan.

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Abstract

This study aims to assist Biology students in studying Plant Taxonomy. 3D visualization of aquatic plants is the result of a transformation that resembles the original image and is dynamic so that it can be viewed in detail from all sides. There are also tools used are Software Photoshop + Blender and Unity 3D, while the required materials are photos of plants that have been taken. The method developed is multimedia application development method used is IMSDD (Interactive Multimedia System Design and Development), where done System Requirement Phase, Design Consideration Phase, Implementation Stage, and Evaluation Phase. Capturing is done with clarity enough brightness, so it will be easy when designing 3D visualization. Plants taken from several Botanical Gardens Region, such as Bogor Botanical Gardens, Ciapus Botanical Garden, Purwodadi Botanical Garden, and Botanical Garden Eka Buana Bali. The picture taken is the whole, stems, flowers, fruit, and leaves both front and rear. Application development is done through the collection of objects, object segmentation, the creation of object textures and the creation of 3D objects. 3D water plants visualization applications can be enlarged and reduced, and rotated well to the right, left, up, and down. Water plants that appear in the application are present in the Indonesian and Latin names, taxon and description. Once the application is complete, it will be transformed to an Android-based platform. Keywords : 3D visualization, android, water plants
FAKTOR-FAKTOR YANG BERPENGARUH TERHADAP KEBERLANJUTAN KAWASAN PERMUKIMAN DI DAERAH ALIRAN SUNGAI (DAS) CILIWUNG HULU KABUPATEN BOGOR Dewi, Indarti Komala
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Publisher : Fakultas Matematika dan ilmu pengetahuan Alam. Universitas Pakuan.

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Abstract

The upper stream of Ciliwung watershed lies in Bogor District, has an important function for the surrounding areas, which regulated or managed water supply, whether floods or drought in the middle and the down stream.  Growing of settlement areas was changed landscape and degraded environment, and then this is threated sustainability of setlement areas. Sustainability of Settlement areas in Upper stream of Ciliwung Watershed are impacted  by  internal and external factors. The objective of this research the first is to analyse sustainability of settlement areas in upper stream of Ciliwung Watershed. and the second is to analyse  factors that impacting sustainability of  settlement areas in the upperstream of Ciliwung watershed, The research method used Multi Dimentional Scaling (MDS) technique with Rapfish software. The research result showed that settlement areas in Upper stream of Ciliwung watershed are less sustainable, with 16 factors that impacting this sustainability. Keyword :  Ciliwung watershed, sustainability of settlement areas.
VALIDASI METODE UJI KADMIUM DALAM AIR SUMUR SECARA SPEKTROFOTOMETRI SERAPAN ATOM Heri, Ade; Sutanto, Sutanto
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Publisher : Fakultas Matematika dan ilmu pengetahuan Alam. Universitas Pakuan.

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Abstract

This validation is refer to SNI 17025:2008 which detail linearity, precision, and accuracy that conducted 7 times.  The detection limit is taken from making standard by using AAS graphic from PG type 990 and then the result used for analyzing of cadmium in well water.  2 liter of the sample (that take from one well in designated area) is aspired into AAS with 228,8 nm wave length.    According to the result of this method, got the linearity with coefficient regretion value 0,9997, detection limit 0,0028 mg/L, precision of unspike sample with RSD value RSD 10,77 % and precision of spike sample with RSD 0,16 %, and recovery for accuracy value 86,44 % - 90,30 %.  This method give the result the meet the requirement for validation applied, so that the method can be used for routine of cadmium content in well water.Average of cadmium content in well water is 0,0247 mg/L. Keyword : Validation methode, Cadmium, Well water, Atomic Absorption Spectrophotometer
PENERAPAN ANALISIS DISKRIMINAN UNTUK MENGKAJI PERBEDAAN KONSUMSI PANGAN HEWANI DI WILAYAH PERKOTAAN DAN PERDESAAN DI INDONESIA Saputri, Afriyanti Rahmawati; Virgantari, Fitria; Wijayanti, Hagni
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Publisher : Fakultas Matematika dan ilmu pengetahuan Alam. Universitas Pakuan.

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Abstract

This research aims to examine the differences between animal food consumption in urban and rural areas in Indonesia using discriminant analysis. The data used are secondary data obtained from the National socio-economic Survey (Susenas) held Central Bureau of statistics of the year 2015. The data analyzed includes data on average consumption of protein (grams) per capita a day according to the dining area and group housing in 34 provinces in Indonesia. Animal food consumption are examined, namely fish consumption, the consumption of meat, eggs and milk consumption. Based on the results of the analysis it can be concluded that the normality test,  matrix test  of  the  variety  of  uniform  and   test  the   average   vector  value is fulfilled, so the discriminant function is obtained as follows: where is consumption of fish, is the consumption of meat, eggs and milk consumption was and is the value of the discriminant score. The result of the discriminant functions that form validation indicates that the function is accurate and stable. The precision of the discriminant function was 85.08% or there are 2 errors in classifying a group of villages and 8 errors in classifying a group of 67 regions of cities and villages throughout the province in Indonesia. Based on the magnitude of the coefficients of the function, that the consumption of eggs and milk that contributes the largest animal food consumption differences across cities and villages. Key words : animal food consumption, discriminant analysis, test validation, assumptions
KARAKTERISTIK TEPUNG LIMBAH AMPAS KELAPA PASAR TRADISIONAL DAN INDUSTRI VIRGIN COCONUT OIL (VCO) Widiastuti, Diana; Mulyati, Ade Heri; Septiani, Muthia
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Publisher : Fakultas Matematika dan ilmu pengetahuan Alam. Universitas Pakuan.

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Abstract

Coconut processing industry produces a by-product or shredded coconut husks limbahberupa. The main advantage of the dregs of coconut food fiber  is high, which proved instrumental in the prevention and control of various chronic diseases such as colon cancer, heart attack, hypertension, stroke and diabetes mellitus. This research aims to produce products made from flour, coconut dregs have a good nutritional quality and food high in fiber so it is expected to become a functional food ingredients. This research use the sample waste dregs of coconut derived from shredded coconut seller in the traditional markets of coconut husks and waste from industrial Virgin Coconut Oil (VCO), then waste coconut husks that are washed, boiled, dried and milled into flour so that the coconut husks. Based on data proksimat the flour coconut pulp market has food and fiber carbs are lower while levels of protein, fat and vast grounds higher than the flour coconut husks VCO.Analysis of microbiological by-product of coconut flour shows VCO has sanitation and food security is better when compared to the dregs of coconut flour market. Key words: Waste, Coconut Dregs Of  Flour, Proksimat, Microbiology
EKSTRAKSI ZAT WARNA DARI KLUWEK (Pangium edule Reinw) MENGGUNAKAN BERBAGAI PELARUT Warnasih, Siti; Hasanah, Uswatun
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Publisher : Fakultas Matematika dan ilmu pengetahuan Alam. Universitas Pakuan.

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Abstract

Natural brown color of kluwek is fermented from picung seeds that can be isolated to replace synthetic brown dyes. Natural brown color is come from the Tannin, in which can be obtained by the solvent extraction process. This study aims to determine the best solvent in extracting natural brown color from kluwek using the maceration method based on the maximum absorption of the extract produced. This research consisted of making of simplicia, measurement water content from fresh kluwek and dry simplicia, extraction using 4 types of solvents (water, ethanol, acetone, and hexane), phytochemical extraction, and identification using UV-Vis Spectrophotometer. The results showed that the yield of kluwek extract with water solvent was 19.42%, ethanol 19.68%, acetone 40,51%, and hexane 45,42% with the color of extract consecutively dark brown, brown, dark yellow, and light yellow. Positive results containing tannins and flavonoid are shown from extraction with water and ethanol, while acetone and hexane extracts were negative. All extracts produce absorption of maximum wavelength at 200-400 nm which containing tannin-rich compounds (proanthocyanidins tannin) or condensed tannins are tannin flavonoids.Key words: kluwek, maceration, tannin, dyes
KERAGAMAN JENIS ANGGREK TANAH DI SUMATRA YANG MEMPUNYAI DAUN INDAH -, Wihermanto; -, Sri Hartini
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Publisher : Fakultas Matematika dan ilmu pengetahuan Alam. Universitas Pakuan.

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Abstract

Sumatra merupakan kawasan yang menyimpan banyak kekayaan tumbuhan berpotensi. Anggrek merupakan salah satu takson yang dapat ditemukan di kawasan ini, dimana banyak diantaranya merupakan anggrek yang atraktif dan bernilai ekonomi tinggi. Tujuan dari penelitian ini adalah untuk mengetahui keragaman anggrek khususnya anggrek tanah yang memiliki daun indah. Metode yang digunakan dalam penelitian ini adalah metode jelajah yang dilakukan hampir di seluruh kawasan Sumatra. Hasil penelitian menunjukkan bahwa setidaknya 11 jenis anggrek tanah yang mempunyai daun indah berhasil ditemukan. Ke-11 jenis tersebut termasuk dalam 6 marga yaitu Goodyera, Anoectochillus, Nephelaphyllum, Macodes, Nervilia, dan Paphiopedilum. Informasi botani dari jenis-jenis tersebut disajikan dalam makalah ini.
FORMULASI GRANUL INSTAN EKSTRAK HERBA PEGAGAN (Centella asiatica) DAN ANALISIS ASIATIKOSIDA Prasetyorini, -; Lohitasari, Bina; Amirudin, Ahmad
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Publisher : Fakultas Matematika dan ilmu pengetahuan Alam. Universitas Pakuan.

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Abstract

The research was conducted in the month from February until April 2011 in the laboratory of Pharmacy Faculty of Mathematics and Natural Sciences, University Pakuan. The research objective is to make a health drink formulation of herbs gotu kola extract and determine the form of instant granules asiatikosida content. Herb gotu kola is used in this study is the collection BALITRO. In this study of instant granules prepared by wet granulation method and made three formulas are: FI (formula without essence), F II (formula with caramel essence, and F III (formula with mango essence.) Asiatikosida analysis performed on dry ekstrakt by TLC method the scanner. the results showed all formulas have the instant granule flow rate and good Sagat compressibility, organoleptic tests (smell and color), which are the F III, asiotikosida content showed a decrease during processing. Gynecology asiatikosida ekstrakt dry is 1.75% (4.375 mg asiatikosida) , instant granules FI of 0.46% (0.052 mg asiatikosida), F II by 0.68% (0.072 mg asiatikosida), and F III amounting to 0.48% (0.056 mg asiatikosida). Rf value on testing asiatikosida in extracts obtained 0.81 with a standard 0.80. Rf value on testing for FI 0.28 instant granules; FII 0.28, and F III 0.29, the standard used for Rf value of 0.28 Kata kunci :   ekstrak herba pegagan, granul instan, asiatikosida
STUDI PEMANFAATAN Mo-ZAA SEBAGAI KATALIS DAN PENGARUH VARIASI TEMPERATUR HIDROCRACKING TERHADAP PRODUK HIDROCRACKING MINYAK JARAK PAGAR Syahputri, Yulian; Mara, Adi
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Publisher : Fakultas Matematika dan ilmu pengetahuan Alam. Universitas Pakuan.

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Abstract

Study of utilization of Natural Zeolites Active-Mo (Mo-ZAA) as a catalyst and influence of temperature variation on hydrocracking product temperature hydrocracking has done. Castor oil hydrocracking process done with a variation of the temperature of 250oC, 300oC, 350oC, 400oC, 450oC, 500oC and 550oC, flow rate of hydrogen gas 3.5 mL/minute and weighs 1.5 g catalysts. Hydrocracking castor oil products have been analyzed including the burning heat, density and viscosity by using the bom kalorimeter, picnometer and Ostwald viscometer instrument. The results of this study showed that the best value of the burning heat, density and viscosity in a row is on the 53.0003 kJ/g; 0.9698 g/mL and peace of 3.1691, each of which is operated at a temperature of 350oChydrocracking. Using the Mo-ZAA as a catalyst also plays a role in the process of hydrocracking. This can be seen from the value of the heat of combustion, the density and viscosity of castor oil hydrocracking product is better than the heat of combustion, density and viscosity prior hydrocracking. Key Words : Hydrocracking, Catalyst, Active Natural Zeolite, Castor Oil
KEANEKARAGAMAN MAKROZOOBENTOS DI SUNGAI CILIWUNG Wiedarti, Sri; Hardiyanti, Desi; Darda, Rouland Ibnu
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Publisher : Fakultas Matematika dan ilmu pengetahuan Alam. Universitas Pakuan.

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Abstract

Sungai Ciliwung sebagai salah satu perairan umum yang mengalir melewati berbagai daerah mulai dari wilayah yang belum terganggu sampai dengan wilayah kegiatan manusia. Penelitian tentang makrozoobentos masih sedikit oleh karena itu perlu dilakukan penelitian tentang makrozoobentos. Penelitian bertujuan untuk mengetahui keanekaragaman makrozoobentos di Sungai Ciliwung. Pengambilan  sampel terbagi menjadi 3 titik. Stasiun I Puncak-Cisarua Kabupaten Bogor), Stasiun II di daerah bendungan Katulampa (Kota Bogor), dan Stasiun III di Kedung Halang (Kota Bogor). Pada setiap stasiun dilakukan pengulangan sebanyak tiga kali. Dari hasil penelitian diperoleh komposisi 7 spesies dari kelas Gastropoda yaitu Elimia sp, Pila sp, Floridobia sp, Tarebia sp, Ademietta sp, Pomacea canaliculata, dan Pleurocera sp. 1 spesies dari kelas Crustacea yaitu Scylla sp dan 1 spesies dari kelas Bivalvia yaitu Corbicula sp. Keaekaragaman tertinggi adalah pada stasiun I (Cisarua) dengan indeks keanekaragaman 0,544 dan keanekaragaman yang terendah terdapat pada stasiun III (Kedung Halang) tidak terdapat makrozoobentos. Kepadatan populasi yang didapat pada stasiun I (Cisarua) yang tertinggi jenis Tarebia sp dengan indeks kepadatan populasi 0,1188 dan terendah pada jenis Pila sp yaitu 0,006. Pada stasiun II (Katulampa) tertinggi jenis Elimia sp dengan indeks kepadatan populasi 0,1188 dan terendah pada jenis Tarebia sp dan Corbicula sp yaitu 0,006. Frekuensi kehadiran pada stasiun I (Cisarua) yang tertiggi pada jenis Elimia sp, Tarebia sp dan Ademietta sp dengan frekuensi kehadiran 100% dan yang terendah pada jenis Pila sp dan Parathelphusa sp dengan frekuensi kehadiran 33,3%. Pada stasiun II (Katulampa) yang tertinggi pada jenis Pomacea sp dan Elimia sp yaitu dengan frekuensi kehadiran 100% dan terendah pada jenis Tarebia sp dan Corbicula sp dengan frekuensi kehadiran 33,3%. Kata kunci: Makrozoobentos, Jaring Surber, Sungai Ciliwung

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