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Biologi Edukasi : Jurnal Ilmiah Pendidikan Biologi
Published by Universitas Syiah Kuala
ISSN : 20856725     EISSN : 25021532     DOI : -
Core Subject : Education, Agriculture,
Agriculture, Biological Sciences & Forestry Education
Jurnal Biologi Edukasi (J.BioEd) contains the results of biology and biology education research from many educational institutions in Indonesia. It published twice a year in June and December.
Arjuna Subject : -
Articles 191 Documents
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PEMBUATAN TERMOPLASTIK RAMAH LINGKUNGAN BERBASIS KHITOSAN MELALUI PENAMBAHAN REFINED BLEACHED AND DEODORIZED PALM OIL (RBDPO) DAN GLISEROL SEBAGAI PEMLASTIS M. Hasan
Biologi Edukasi: Jurnal Ilmiah Pendidikan Biologi Vol 4, No 2 (2012): Biologi Edukasi: Jurnal Ilmiah Pendidikan Biologi
Publisher : Universitas Syiah Kuala

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Abstract

Chitosan, a product of chitin deacetylation, has been used for various purposes in various fields of agriculture, food, biomedical, biotechnology, and pharmaceuticals. The use of chitosan in a pure state is limited by its poorly soluble in various solvents other than in aqueous weak acids. Moreover, chitosan films are brittle and fragile that it is difficult to use in the form of films for various applications. Long-term goal of this research is to obtain chitosan which is elastic by the addition of plasticizer. The specific target of this research is to obtain information about the effect of adding RBDPO and glycerol as plasticizer on the characteristics of the mechanical properties of chitosan. The research method was carried out in the laboratory experiments. Design research is conducted on a wide variety of compositions blending chitosan and plasticizer of RBDPO and glycerol on the mechanical properties including tensile strength and elongation. The relsulted blended sample is cast in the form of thin films and characterized by tensile strength test. The test results showed that the mechanical properties of tensile strength reaches optimum conditions where the plasticizer content of 30%, while the extension increases with increasing of plasticizer content.
Dinamika Perubahan Mangrove Menjadi Tambak dan Total Suspended Solid (TSS) di Sepanjang Muara Berau Ety Parwati; Kadarwan Soewardi; Tridoyo Kusumastanto; Mahdi Kartasasmita; I Wayan Nurjaya
Biologi Edukasi: Jurnal Ilmiah Pendidikan Biologi Vol 3, No 1 (2011): Biologi Edukasi: Jurnal Ilmiah Pendidikan Biologi
Publisher : Universitas Syiah Kuala

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Abstract

The mangrove conversion become fish pond, bareland or others has an impact in water quality. One of water quality parameter is Total Suspended Solid (TSS), increasing TSS means the rising in pollution.  Landsat remote sensing data with multi channels used in studying the dynamic of mangrove – fishpond change and TSS along the Berau waters. Several regions with its variation are used in that dynamic studying.  The TSS algorithm for Berau waters is TSS (mg/l) = 3.3238 * exp (34.099*Red Band) , Red band=the atmospheric reflectance band 2 validated with field data. The result study is the conversion of mangrove become fish pond has the strong indication in the rising TSS .
The Effect of Type Biochar and Agrodyke Fertilizer Concentration on the Growth of Seedling of Mahoni (Swietenia macrophylla King.) Helmi Helmi
Biologi Edukasi: Jurnal Ilmiah Pendidikan Biologi Vol 6, No 2 (2014): Biologi Edukasi: Jurnal Ilmiah Pendidikan Biologi
Publisher : Universitas Syiah Kuala

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Abstract

The study has been done to determine the effect of various types of biochar  and consentration of agrodyke fertilizer on the growth of mahoni  seedlings.The  study used  block randomized factorial design which were types of biochar (B) as the first factor, namely: soil + imperata cylindrica charcoal (B1), soil + coconut husk charcoal  (B2), Soil + charcoal of sawdust (B3), and  agrodyke fertilizer concentration as the second factor (A), namely: 0 g polybag-1 (A0), 25 g polybag-1 (A1), 50 g polybag-1 (A2), 75 g polybag-1 (A3) as other factors. Each treatment was replicated three times. The results showed that all types of  biochar  have increased in plant height and number of leaves mahoni seedlings significantly at 40, 60, and 80 days after weaning (DAW). Various concentration of Agrodyke fertilizer have affected  considerably on plant height and number of leaves at 40 and 60  days after weaning (DAW) and root length  at 80 days after weaning (DAW). However, there were no significant effects of types of biochar and various concentration of agrodyke fertilizer on  all parameters. Biochar Soil+Charcoal Sawdust (B3) and 75 g of agrodyke fertilizer polibag-1 (A3)  have produced the best growth rate of mahoni seedlings
KOLONISASI FUNGI PADA SERASAH Acacia mangium Samingan Samingan
Biologi Edukasi: Jurnal Ilmiah Pendidikan Biologi Vol 1, No 2 (2009): Biologi Edukasi: Jurnal Ilmiah Pendidikan Biologi
Publisher : Universitas Syiah Kuala

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Abstract

Fungi are an important role in litter decomposition process, because most of them able to decompose lignocelluloses in the litter. Fungal colonization on leaf litter of Acacia mangium was observed on shaded and unshaded places to study pattern of fungal colonization in the Acacias forest floor. Samples were taking by quadrate method. Fungal colonization was observing by removed surface of litter layer on 1x1 m2 area and then observed them and measured each of fungal colony  used metal rule. The result showed that there are different sizes of fungal colonies in both shaded and unshaded places. Colonies size at shaded place were 40 to 100 cm while at unshaded place were 25 to 50 cm. Fungal mycelium in each colonies not only distribute on the litter layers surface but also distribute into the bottom of litter layers.
Isolasi dan Identifikasi Fungi Amilolitik pada Bonggol Pisang Kepok (Musa paradisiaca L.) Dian Safitri; Samingan Samingan
Biologi Edukasi: Jurnal Ilmiah Pendidikan Biologi Vol 5, No 1 (2013): Biologi Edukasi: Jurnal Ilmiah Pendidikan Biologi
Publisher : Universitas Syiah Kuala

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Abstract

Penelitian ini bertujuan untuk mengetahui jenis fungi yang terdapat pada bonggol pisang kepok dan kemampuan amilolitiknya. Sampel diambil dari bonggol pisang kepok. Pengambilan sampel dilakukan secara subjektif. Fungi permukaan diisolasi menggunakan metode pengenceran cawan tuang, sedangkan untuk fungi endofit dilakukan secara langsung. Parameter yang diamati adalah jenis fungi yang terdapat pada bonggol pisang kepok dan kemampuan amilolitiknya dengan mengukur diameter zona bening yang terbentuk di sekitar koloni. Data yang diperoleh dianalisis secara deskriptif. Hasil analisis data diperoleh 16 jenis fungi yang terdapat pada bonggol pisang kepok, meliputi genus Curvularia, Hansfordia, Aspergillus, Fusarium, Penicillium, Mucor, Monilia, dan Biporalis. Berdasarkan uji amilolitiknya diketahui bahwa fungi Aspergillus sp. memiliki indeks amilolitik tertinggi sebesar 0,82. 
AUTEKOLOGI AKASIA (Acacia nilotica) (L.) Willd. ex. Del DI TAMAN NASIONAL BALURAN JAWA TIMUR Djufri Djufri
Biologi Edukasi: Jurnal Ilmiah Pendidikan Biologi Vol 4, No 1 (2012): Biologi Edukasi: Jurnal Ilmiah Pendidikan Biologi
Publisher : Universitas Syiah Kuala

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Abstract

This research aim to to know : ( 1).  Live cycle of A. nilotica, ( 2). Sspreading and Seed production in BNP, ( 3). Potency of A. nilotica as species bioprosfektif, and ( 4) Stand structure of A. nilotica in BNP.Research method used to know  cycle live,  spreading and seed production in BNP  and the done conducted stand structure with  direct perception  in field. Produce seed used  a square method  having a nest counted 10 fruit by using  plastic. obtained stand structure data with  madely is permanent square for the width of 20 m x 20  m of counted 15 fruit, and at each square measured by a diameter and high counted 10 tree. While data to know potency A. nilotica  as species biprospektif obtained from data  relevant secunder with problems  checked.Conclusion from this research is : (1). There are six  cycle step live A. nilotica that is seed corps, seedling, juvinile, adult, flower, and seed in pod, ( 2). Production of seed/tree at age 3 year gyrate  506seed/tree. : (3). Seed spreading A. nilotica in BNP through animal  like bull, wild buffalo, deer and others,  and also water at the rains season, ( 4). Potency of A. nilotica  as species bioprospektif can be developed  forestry, health, and also industrial,  and ( 5). Stand structure A. nilotica in BNP pertained  as strightened age.
Phylogenetik Study of Papilio Spp Butterfly Based on ND5 Genetik Sequence in In Silico Abdu Mas'ud; Abubakar Abdullah; Chumidach Roini
Biologi Edukasi: Jurnal Ilmiah Pendidikan Biologi Vol 10, No 2 (2018): Biologi Edukasi: Jurnal Ilmiah Pendidikan Biologi
Publisher : Universitas Syiah Kuala

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Abstract

Papilio spp is one of the members Papilionidae family. The specific character is macro lepidoptera butterflies and has beautiful colour.  The distribution of butterflies is found in Indo_Australia. Papilio spp can found on Northen Maluku and Sula archipelago region. The objectif of the research is to know genetik relationship of Papilio spp based on moleculer marker of the ND5 gene mitokondrial using insilico analysis. The genetik relationship can be knowed from the phylogenetik tree construction by sequence ND5 gene mitocondial. The Sequence ND5 gene is obstained from the National Center for Biotechnology Information (NCBI) and alignment sequence for the construction phylogenetik tree using Clustal W program acces from the National Center for Biotechnology Information (NCBI) online. The phylogenetik tree showed that Papilio ulyses from Obi island and Morotai island have one ancestor (monophyletic) with Papilio ulyses telegous from Timika.
Kajian Tempat Perindukan Nyamuk Aedes di Kawasan Kampus Darussalam Banda Aceh Widya Sari; Tjut Mariam Zanaria; Elita Agustina
Biologi Edukasi: Jurnal Ilmiah Pendidikan Biologi Vol 2, No 3 (2010): Biologi Edukasi: Jurnal Ilmiah Pendidikan Biologi
Publisher : Universitas Syiah Kuala

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Abstract

The aim of this research is to determine Aedes mosquitos’ breeding places at Darussalam area including Kopelma village, Tungkob, Limpok, Barabung and Rukoh.  Exploration method and purposive sampling were used in this research, within a hundred of larva sample location and respondents. The data were obtained by larva inventarization and habitat identification. The parameter observe in the research were number of the breeding places. The data were analysed descriptively. The result of this research showed that the breeding places were dominantly found at houses located in the Darussalam village and Limpok. Precisely, Aedes aegypti and Aedes albopictus were found in pure indoor and outdoor containers.
UJI ANTIMIKROBA EKSTRAK BUAH SALAK (Salacca edulis) TERHADAP BAKTERI Escherichia coli Cut Intan Evtia Nurina; Samingan Samingan; Iswadi Iswadi
Biologi Edukasi: Jurnal Ilmiah Pendidikan Biologi Vol 6, No 1 (2014): Biologi Edukasi: Jurnal Ilmiah Pendidikan Biologi
Publisher : Universitas Syiah Kuala

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Abstract

Penelitian ini bertujuan untuk mengetahui pengaruh berbagai konsentrasi ekstrak buah salak terhadap pertumbuhan bakteri E. coli. Isolat bakteri E. coli yang digunakan dalam penelitian ini diperoleh dari Laboratorium Mikrobiologi Fakultas Kedokteran Universitas Syiah Kuala. Buah salak (Salacca edulis) varietas salak pondoh super yang berusia tiga bulan setelah perbungaan diperoleh dari perkebunan salak di Sabang. Metode yang digunakan dalam penelitian ini adalah eksperimen laboratorium jenis kuantitatif menggunakan Rancangan Acak Lengkap (RAL) yang dibagi dalam 7 kelompok, yaitu 5 kelompok perlakuan (ekstrak etanol buah salak terhadap bakteri E. coli) dan 2 kelompok kontrol yaitu menggunakan aquades (kontrol negatif) dan streptomisin (kontrol positif). Analisis data dilakukan menggunakan ANOVA (analyses of variance) kemudian dilanjutkan dengan uji Jarak Nyata Terdekat Duncan (JNTD) pada taraf kepercayaan 0,05%, dan terdapat perbedaan yang nyata antar perlakuan. Hasil uji antimikroba menunjukkan ekstrak buah salak mampu menghambat pertumbuhan bakteri E. coli. Hasil uji fitokimia menunjukkan bahwa ekstrak buah salak mengandung berbagai senyawa aktif seperti tanin, flavonoid, dan alkaloid. Zona hambat tertinggi diperoleh pada konsentrasi 100%, yaitu rata-rata diameter 18,783 mm. Tetapi zona hambat yang terbentuk pada kontrol positif lebih lebar, yaitu rata-rata diameter 31,367 mm
VARIASI JENIS BAHAN BAKAR PADA PENGASAPAN IKAN BANDENG (Chanos-chanos Forskal ) MENGGUNAKAN ALAT PENGASAPAN TIPE KABINET Ratna Ratna; Safrida Safrida; Yulinar Yulinar
Biologi Edukasi: Jurnal Ilmiah Pendidikan Biologi Vol 3, No 2 (2011): Biologi Edukasi: Jurnal Ilmiah Pendidikan Biologi
Publisher : Universitas Syiah Kuala

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Abstract

The milkfish represent one of the high commodities of protein and consumed many by society in Aceh. This research aim at to know influence of fuel type to quality of milkfish use appliance smoked of cabinet type. Time needed to degrade water concentration around 15% at coconut shell of coconut fuel is 4 hours, representing lower concentrate rate of water of smoked milkfish. Protein rate in milkfish smoked use  fuel coconut shell is 32,75%, chaff of rice  27,18%, coconut coir 37,70%, and wood 27,09%. Fat rate of milkfish smoked use coconut shell of coconut fuel is 7,84%, chaff of rice  9,18%, coconut coir 7,13%, and wood 8,85%. In the test of organoleptik shell of coconut and coconut coir shows fish product which prefer either from form, colour, aroma and feel.

Page 13 of 20 | Total Record : 191

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