Garuda - Garba Rujukan Digital

Article Per Year (5 Year)

All

Bioma : Berkala Ilmiah Biologi

bioma
Website

Published by Universitas Diponegoro

ISSN : - EISSN : 25982370 DOI : -

Core Subject : Education, Agriculture,

Agriculture, Biological Sciences & Forestry Education

BIOMA (ISSN 1410-8801) adalah Majalah Ilmiah Biologi yang bertujuan mewadahi semua informasi hasil penelitian, telaah pustaka, makalah teknis, dan kajian buku, dari berbagai cabang ilmu Biologi. Diharapkan penerbitan ini dapat berkontribusi dalam penyampaian informasi ilmiah yang merupakan mata rantai proses kegiatan ilmiah. Terbit sejak tahun 1999.

Arjuna Subject : -

Articles 12 Documents

1 2

Search results for , issue "Vol. 18, No.1, Tahun 2016" : 12 Documents clear

Struktur Komunitas Mikroartropoda Tanah di Lahan Penambangan Galian C Rowosari, Kecamatan Tembalang, Semarang Larasati, Wiatri; Rahadian, Rully; Hadi, Mochamad
Bioma : Berkala Ilmiah Biologi Vol. 18, No.1, Tahun 2016
Publisher : Departemen Biologi, Fakultas Sains dan Matematika, Universitas Diponegoro

Rowosari miningsite isthe â€˜Câ€™ type of excavation area in Semarang. Mining activities may affect environmental disturbance, including on soil fauna. This research aims to determine the community structure of soil microarthropods in Rowosari mining area. The research was conducted in August-September 2015. Soil samples were taken on diagonalÂ plot ofÂ 5x5Â m2Â withÂ a five-pointÂ sampling onÂ two stations, namely Post Mining Area (PoMA) and Pre Mining Area (PeMA). The analysis used in the research are relative abundance index, Shannon-Weiner diversity index, evenness index, and Sorensen similarity index. The results shows that there are 360-660 individuals/m2 from 10 ordo and 24 taxa found in Rowosari Excavation Site. The highest relative abundance index is Carabidae (22,22) in PoMA station and Prostigmata (21,21) in PeMA station. The diversity both station belongs to medium category (2,43-2,45). The highest evenness index is 0,95. The similarity taxa of soil microarthropods in two stations are categorized as medium. Community structure of soil microathropods in Post Mining Area and Pre Mining Areawere no significant differences.Â Keywords: Community structure, Soil microarthropods, Miningexcavation C.

Eksplorasi Mikroba Penghasil Enzim-enzim Hidrolitik Di Kawasan Taman Nasional Lore Lindu Sulawesi Tengah Rahmiati, Rahmiati; Pujianto, Sri; Kusdiyantini, Endang
Bioma : Berkala Ilmiah Biologi Vol. 18, No.1, Tahun 2016
Publisher : Departemen Biologi, Fakultas Sains dan Matematika, Universitas Diponegoro

Lore Lindu National Park (TNLL) is an area thatÂ flora, fauna and microbes, the diversity of microbes producing hydrolytic enzyme. explore the hydrolytic enzyme producing microbes in Indonesia. This study was aimed to obtain bacterial isolates were able to produce hydrolytic enzyme and characteristics. Isolation in the microbiology laboratory. IsolationÂ by a spread plate. Isolates in the selection hydrolytic enzyme producing selective media. Measurement of the activity of the enzyme with hydrolytic index. The results Â were thirteen isolates clearing zone test , 2 protease enzyme bacterial isolates, 1 lipase enzyme bacterial isolates, 6 amylase enzyme bacterial isolates, while 4Â cellulase enzyme bacterial isolates. Examination of Amylase enzyme activity was done using DNS method. L10T3 showed that the bacterial isolate optimum activity at pH 7 and at a temperature of 300C with an activity of 0.040 U / mL and 0.029 U / mL.Â Key word: Lore Lindu National Park, hydrolytic enzyme. isolation of bacteria

Masa Inkubasi Gejala Penyakit Hawar Daun Tanaman Kentang yang Diinduksi Ketahanannya oleh Jamur Antagonis Trichoderma viride Purwantisari, Susiana; Priyatmojo, Achmadi; Sancayaningsih, Retno Peni; Kasiamdari, Rina Sri
Bioma : Berkala Ilmiah Biologi Vol. 18, No.1, Tahun 2016
Publisher : Departemen Biologi, Fakultas Sains dan Matematika, Universitas Diponegoro

Late blight disease caused by Phytophthora infestans, is probably the single most important disease of potatoes worldwide. Infected plants were quickly killed and were difficult for replanting, causing significant losses for the growers. Various control methods were examined including the use of biocontrol agents of Trichoderma spp.Â The biocontrol potential of Trichoderma viride against potato late blight pathogen, Phytophthora infestans, were studiedÂ under greenhouse conditions. The research objective was to determine the ability of biocontrol agents Trichoderma viride to delay late blight disease incidence on potato plants in the field. The in vivo experiment was carried out at potato land area located at BALITSA in Cikole Sub District, Lembang District and Bandung Regency. Completely Randomized Design was used with six treatment and five replicates. The treatment tested consist of control (without pathogen fungal and antagonists fungus application too), control (with pathogen fungal application and without antagonist fungal application), chemical fungicide application, antagonist fungal application 2 weeks before planting, application 1 week after planting and both application 2 weeks before and 1 week after planting. Result of the research showed that application of antagonists fungal could delay disease intensity until 14 days. These antagonist could be used as biological agents initials to control leaf blight disease.Â Key words: Biological control, Potato late blight, Phytophthora infestans, Trichoderma viride

Abundance and Diversity of Bryofauna in Coffee and Tea Vegetations Rahadian, Rully; Perwati, Lilih Khotim; Baskoro, Karyadi
Bioma : Berkala Ilmiah Biologi Vol. 18, No.1, Tahun 2016
Publisher : Departemen Biologi, Fakultas Sains dan Matematika, Universitas Diponegoro

Forest alteration into agroecosystem affect many organisms including bryofauna which their survivorship depend much on their host. Coffee and tea plantation are common agroecosystem in Indonesia. So far, the effect of habitat alteration on Bryofauna community have not been known yet. The objective of this study is to determine community structure attributes i.e., abundance, diversity and composition of bryofauna living in coffee and tea vegetation. The study was located in Ungaran Mountain, District of Semarang Indonesia. Bryofauna were extracted from moss using Tullgren funnel method and were identified until possible taxa. Bryofauna sampling was conducted both in coffee and tea vegetation. Bryofauna were extracted from the moss using Tullgren funnel method. The result shows that Acari was the most abundant both in coffee and tea area. Generally, bryofauna was more abundant in the coffee vegetation than in the tea vegetation. The diversity of bryofauna was not affected neither by altitude nor vegetation. However, the diversity of bryofauna seems affected more by their host, bryophyte.Â Keywords: Bryofauna, Acari, coffee and tea vegetation.

Struktur Komunitas Capung di Kawasan Wisata Curug Lawe Benowo Ungaran Barat Herlambang, Alamsyah Elang Nusa; Hadi, Mochamad; Tarwotjo, Udi
Bioma : Berkala Ilmiah Biologi Vol. 18, No.1, Tahun 2016
Publisher : Departemen Biologi, Fakultas Sains dan Matematika, Universitas Diponegoro

Dragonflies have an important role for the stability of the ecosystem that is as predator and prey at the same time. The availability of food resources and optimal environmental conditions affect the species richness of dragonflies in the habitats. Reasearch on dragonfly comunity structure aims to find out the differences of community structure in each habitat type in the region of Curug Lawe Benowo. The research was conductet in 4 different stations which focus on species of dragonfly, amount of an individual species, habitats, environmental conditions, and the corellation between the variables. The method used is point count. The results showed that there are 19 dragonfly species which came from 7 different Family. The total number of individuals encountered from 4 stations is 205. The common species that can be found in all of the stations is Euphaea variegata. The level of diversity are medium, the level of evenness is fairly even. Similarity of species in any habitat types indicate that the habitats has a three kind of similarity levels that is fairly equal, less equal and not equal. Data analysis shows that there is a corellations between environmental conditions, and dragonfly species, affecting abundance and distributions of a dragonfly in the habitats, and can be used to describe dragonflies community structure in the region.Â Key words: Community structure, dragonfly, Curug Lawe-Benowo

Bobot, Indeks Kuning Telur (IKT), Dan Haugh Unit (Hu) Telur Ayam Ras Setelah Perlakuan Dengan Pembungkusan Pasta Rimpang Temulawak (Curcuma xanthorrhiza Roxb). Putri, Dyah Ayu Maharani; Djaelani, Muhammad Anwar; Mardiati, Siti Muflichatun
Bioma : Berkala Ilmiah Biologi Vol. 18, No.1, Tahun 2016
Publisher : Departemen Biologi, Fakultas Sains dan Matematika, Universitas Diponegoro

Eggs are farm products that provide the greatest contribution to the achievement of community nutritional adequacy. The aims of the research was to an analyzed the quality of eggs in treatment without and with a temulawak rhizome pasta stored at 6,12, and 24 days. This research usedÂ 35 eggs consists of 7 treatment and 5 replication, namely PtT0 : as control, a group of eggs without packing temulawak rhizome pasta and without storage, PtT6 : a group of eggs without packing temulawak rhizome pasta after 6 days storage, PdT6 : a group of eggs with packing temulawak rhizome pasta after 6 days storage, PtT12 : a group of eggs without packing temulawak rhizome pasta after 12 days storage, PdT12 : a group of eggs with packing temulawak rhizome pasta after 12 days storage, PtT24 : a group of eggs without packing temulawak rhizome pasta after 24 days storage, and PdT24 : a group of eggs with packing temulawak rhizome pasta after 24 days storage. This research was analyzed used a completely randomized design (CRD). Variables measured were egg weight, yolk indeks, and Haugh Unit (HU). Data obtained from this study were analyzed using analysis of variance (ANOVA) if there is a real difference then continued further test using Duncan test at the level 95 %. The resultÂ egg weight reducted and yolk index shows was significantly different in PtT6, PtT12, PtT24, and PdT24 and Haugh Unit (HU) shows was significantly different in PtT6, PtT12, PtT24. Conclusion of this research is gived temulawak rhizome pasta are able to maintain the quality of eggs were observed on days 6, 12, and 24.Â Key Word : Chicken egg,Â Temulawak rhizome, Egg quality

Optimasi Produksi Inulinase oleh Khamir Pichia manshurica DUCC Y-015 pada Tepung Umbi Dahlia (Dahlia variabilis Willd.) dengan Variasi Konsentrasi K2HPO4 dan Waktu Inkubasi Amedia, Inggrit; Wijanarka, Wijanarka; Purwantisari, Susiana
Bioma : Berkala Ilmiah Biologi Vol. 18, No.1, Tahun 2016
Publisher : Departemen Biologi, Fakultas Sains dan Matematika, Universitas Diponegoro

Sugar national supply more and more decreases and can not meet the market needs. The research has been done to find alternative natural sweeteners including inulin from dahlia tubers (D. variabilis Willd). Dahlia tuber can produce 95% of yield of fructose syrup in an enzimatic reaction by inulinase (E.C.3.2.1.7). Inulinase is inductive enzyme that can be produce by P. manshurica. The production of fructose needs to be optimized to get optimum product. The optimization can be done by modifying the nutrient content in the medium such as K2HPO4 and variation of incubation time. The purpose of this study is to determine the concentration of K2HPO4 and optimum incubation time for P. manshurica. This research was conducted in Microbiology Laboratory, Biology Department, Faculty of Science and Mathematics Undip. The examined variable is the growth of yeast cell, inulinase activity, invertase, and the I/S ratio. This research was conducted experimentally using Randomized Complete Block Design (RCBD) factorial pattern with 2 factors, the first factor was the concentration of K2HPO4 (P), with concentrationÂ level (g/L) of 0.5 (P1), 1.0 (P2), and 1.5 (P3). The second factor was incubation time (W) with 12 hours (W12), 18 hours (W18), and 24 hours (W24). Every treatment was repeated three times. The collected data were analyzed using ANOVA. If there was a treatment effect, it will be continued with Duncan test on 5% significance level. The result of analysis show that the highest cell growth and the maximum production of inulinase enzyme was in P3W24 occurs in P3W24 (K2HPO4 1.5 g/L and 24 hours incubation time) treatment at 0.428 IU, but efficient in P1W12 treatment as much as 0.365 IU.Â Keywords: Dahlia variabilis Willd., Inulinase, K2HPO4, Pichia manshurica DUCC Y-015, incubation time

Spirulina platensis Geitler sebagai Fikoremediator Logam Berat Pb Skala Laboratorium Prambodo, Muhammad Sindhunata; Hariyati, Riche; Soeprobowati, Tri Retnaningsih
Bioma : Berkala Ilmiah Biologi Vol. 18, No.1, Tahun 2016
Publisher : Departemen Biologi, Fakultas Sains dan Matematika, Universitas Diponegoro

Industrial waste contributes the heavy metals pollution in the environment, especially in the water. One of the heavy metals that pollute the environment is lead (Pb). Lead is a substance that is harmful to organisms, especially humans, both adults and children. Solutions to tackle Pb pollution isby remediation process. Physical and chemical remediation methods usually costly and ineffective. One of the alternative methods which is used is the bioremediation uses microalgae or called as phycoremediation. One of microalgae which is used as agents ofÂ phycoremediation is Spirulina platensis Geitler because itâ€™s easily cultured and itâ€™s abundant in nature. This study aims to assess the population growth and the percentage reduction of Pb after inoculated with the use of Spirulina platensis Geitler. The method which is to cultivate S. platensis Geitler in brackish watermedia with a salinity of 15 ppt which have been added Pb with a concentration of 1 mg, 3 mg, and 5 mg for 8 days and observed the population and the percentage reduction of Pb heavy metals. Environmental factors such as temperature, salinity, pH, light intensity are conditioned to remain stable. After 8 days of research, study was able to reduce Pb. Each treatment has different concentrations decrease. Treatment Pb 1 mg of 0.949 into 0.603 mg / L; Pb 3 mg of 2.894 to 2.46 mg / L; and Pb 5 mg of 4.88 to 4.31 mg / L, with each percentage decline of 36%, 15% and 12%. The Pb 3 mg treatment has higher cell population (129.367 cell / ml) than control (106.600 cell/ml) while 1 mg and 5 mg treatment has 93.700 cell / ml and 93.500 cell / ml.Â Keywords: Spirulina platensis, phycoremediation, waste, lead.

Jenis-Jenis Lichen Di Kampus Undip Semarang Murningsih, Murningsih; Mafazaa, Husna
Bioma : Berkala Ilmiah Biologi Vol. 18, No.1, Tahun 2016
Publisher : Departemen Biologi, Fakultas Sains dan Matematika, Universitas Diponegoro

Lichen is a symbion organism which own huge positive effect over environment. Lichen is formed by a symbiosis between fungi (mikobiont) from Ascomycetes and Basidiomycetes, and alga (fikobiont) from Cyanobacteria or Chlorophyceae. Corticolous lichens lives as an epiphyte in substrate of skin branches. It grows in Diponegoro University (Undip) campus area where a lot of shaded trees can be found as the substrate. The research aimed to define the names of lichen in Undip area by using purposive random sampling. The sampling was found in four locations: 1. Eastern of green boulevard, in front of Farm Faculty; 2. Western of green boulevard, in front of Medical Plants Biology building; 3. Northern of green boulevard, next to Economic and Business Faculty; 4. Green Boulevard as a main road, in front of Engineering Faculty. The research encountered 7 families of lichen which are Graphis scripta, Â Graphis sp. (Family of Graphidaceae), Lepraria sp. (Family of Leprariaceae), Dirinaria applanata, Dirinaria picta, Dirinaria sp., (Family of Physciaceae), Caloplaca sp. (Family of Caloplacaceae), Parmelia sp., Parmelia sulcata (Family of Parmeliaceae), Lecanora sp. (Family of Lecanoraceae), Arthonia sp. (Family of Arthoniaceae). The lichens are in groups of talus types: foliose and crustose.Â Keywords: names of lichen, talus types, Undip

Perbandingan Kualitas Daging Itik Magelang, Itik Pengging Dan Itik Tegal Hidayati, Nuke Nur; Yuniwarti, Enny Yusuf Wachidah; Isdadiyanto, Sri
Bioma : Berkala Ilmiah Biologi Vol. 18, No.1, Tahun 2016
Publisher : Departemen Biologi, Fakultas Sains dan Matematika, Universitas Diponegoro

Local ducks in Indonesia there was several kinds, for example Tegal ducks, Magelang ducks and Pengging duck each having morphology different of duck. Research on the quality meat of ducks that includes ash content, water content, carbohydrate content, fat content, protein content, and muscle cell diameter of femoral ducks important to know quality meat of each duck. This study aimed to analyzed the differences types of ducks on the chemical content of meat and femoral muscle histology of diameter cell at Tegal ducks, Magelang ducks and Pengging ducks. Ducks were used in this study maintained in the Central Breeding and Raising Ducks Work Unit Non Ruminant Livestock Banyubiru, Ambarawa. The duck six month old was analyzed chemical content of meat and measuring diameter of femoral muscle cells. Duck samples taken from three different types of ducks that Tegal duck,Pengging duck and Magelang duck, of each type of sample taken many ducks as 6 tails. Data were analyzed using analysis of variance (ANOVA). If the data were analyzed contained a real difference, continued by the Least Significant Differences Test (LSDT) at 95% confidence level. The results showed that no significant difference in all variables, from the result has been concluded that differences type of ducks not affect the chemical contents of duck meat and diameter of femoral muscle cells.Â Keywords: Local Ducks in Central Java, Quality of Meat, Muscle Cell Diameter Femoral Ducks.

Page 1 of 2 | Total Record : 12

1 2

Filter by Year

2016 2016

Filter By Issues

All Issue Volume 28 Issue 1 Year 2026 (Issue in Progress) Volume 27 Issue 2 Year 2025 Volume 27 Issue 1 Year 2025 Vol. 26 No 2, Tahun 2024 Vol. 26, No 1, Tahun 2024 Vol. 25 No 2, Tahun 2023 Vol. 25, No 1, Tahun 2023 Vol. 24, No 2, Tahun 2022 Vol. 23, No 2, Tahun 2021 Vol. 23, No 1, Tahun 2021 Vol. 22, No 2, Tahun 2020 Vol. 22, No 1, Tahun 2020 Vol. 21, No 2, Tahun 2019 Vol. 21, No 1, Tahun 2019 Vol. 20, No 2, Tahun 2018 Vol. 20, No. 1, Tahun 2018 Vol. 19, No. 2, Tahun 2017 Vol. 19, No. 1, Tahun 2017 Vol. 18, No.2, Tahun 2016 Vol. 18, No.1, Tahun 2016 Vol. 17, No.2, Tahun 2015 Vol. 17, No.1, Tahun 2015 Vol. 16, No.2, Tahun 2014 Vol. 16, No.1, Tahun 2014 Vol. 15, No.2, Tahun 2013 Vol. 15, No.1, Tahun 2013 Vol. 14, No. 2, Tahun 2012 Vol. 14, No.1, Tahun 2012 Vol. 13, No. 2, Tahun 2011 Vol. 13, No. 1, Tahun 2011 Vol. 12, No. 2, Tahun 2010 Vol. 12, No. 1, Tahun 2010 Vol. 11, No. 2, Tahun 2009 Vol. 11, No. 1, Tahun 2009 Vol. 10, No. 2, Tahun 2008 Vol. 10, No. 1, Tahun 2008 Vol. 09, No. 2, Tahun 2007 More Issue

Home Page

OAI Link

Editorial Team

Contact

Reviewer

Google Scholar

Contact Name
-

Contact Email
-

Phone
-

Journal Mail Official
-

Editorial Address
-

Location
Kota semarang,

Jawa tengah

INDONESIA

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Home Page

OAI Link

Editorial Team

Contact

Reviewer

Google Scholar

Contact Name -

Contact Email -

Phone -

Journal Mail Official -

Editorial Address -

Location Kota semarang, Jawa tengah INDONESIA

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Contact Name
-

Contact Email
-

Phone
-

Journal Mail Official
-

Editorial Address
-

Location
Kota semarang,

Jawa tengah

INDONESIA