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INDONESIA
Bioma : Berkala Ilmiah Biologi
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 318 Documents
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Komposisi dan Struktur Vegetasi Riparian Strata Pohon di Kawasan Wana Wisata Curug Semirang, Ungaran, Semarang, Jawa Tengah Pratama, Raditya; Jumari, J
Bioma : Berkala Ilmiah Biologi Vol. 23, No 2, Tahun 2021
Publisher : Departemen Biologi, Fakultas Sains dan Matematika, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/bioma.23.2.112-118

Abstract

Wana Wisata Curug Semirang is a tourist area in Semarang Regency based on ecotourism. As an ecotourism area, Curug Semirang contribute as conservation area in order to protection and preservation of nature. Along with tourism development, biodiversity in Curug Semirang is increasingly threatened. The purpose of this study is to examine the composition and structure of riparian in Wana Wisata Curug Semirang Area. The method used in vegetation is a quadratic plot with a line transect. Vegetation observation was carried out at 3 stations which were divided into 15 plots covering tree strata and poles. Vegetation analysis was obtained with the value of density, dominance, frequency, and important value index. The results obtained 75 plant species covering 42 families, in the tree strata there are 16 species in 12 families, and the pole strata there are 20 species in 14 families. The highest INP of tree strata at station 1 was pine (Pinus merkusii) 180.04%, stations 2 and 3 were kemadu (Laportea sinuata) 147.53% and 102.76%, respectively. The highest IVI of the pole strata at stations 1 and 2 is coffee (Coffea arabica) 123.98% and 140.5%, and station 3 is rotan (Calamus rotang) 113%.
Isolasi dan Karakterisasi Plant Growth Promoting Rhizobacteria dari Perakaran Kelapa Sawit pada Lahan Gambut Ariyani, Mei Dwi; Dewi, Tirta Kumala; Pujiyanto, Sri; Suprihadi, Agung
Bioma : Berkala Ilmiah Biologi Vol. 23, No 2, Tahun 2021
Publisher : Departemen Biologi, Fakultas Sains dan Matematika, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/bioma.23.2.159-171

Abstract

Peatlands have characteristics of low pH and lack nutrients. Oil palm is the main plant commodity in peatland management. Oil palm roots have been known to be a nutrition source for the growth of soil microbes, especially bacteria around their roots or PGPR. PGPR are a group of bacteria that play an important role in supporting plant growth and health. The purpose of this research was to obtain PGPR potential from oil palm roots which can be used as candidates for biofertilizer agents. In this study, the isolation and selection of PGPR isolate from oil palm roots on oil palm plantations in Central Kalimantan were carried out based on their plant growth-promoting traits, including the activity of producing Indole Acetic Acid (IAA), phosphate solubilizing, N-fixing, K solubilizing, siderophore production, ACC deaminase activity, proteolytic activity, cellulolytic activity, and ligninolytic activity. A total of 17 isolates were selected to be tested for their multiple activities ability. The final results of the PGPR characterization showed that of the seventeen isolates, all isolates had PGPR activity at least three different abilities. From the seventeen isolates, it was found that the SW 5.5 PK 3A isolate had the highest IAA production activity (58,50 ppm), SW 4.10 PK 1A isolate had the highest K solubilizing index (3,16), SW 8.5 PK 1A isolate had both the highest P solubilizing index (3,73) and the highest siderophore zone index (5,20), SW 4.11 PK isolate had the highest proteolytic index (4,80), and SW 4.10 PK 1A.P isolates had the highest cellulolytic index (5,11).
Pengaruh Musim Terhadap Kelimpahan Perifiton Lamun Thallasia hemperichii di Legon Boyo, Karimunjawa Hendrayana, H; Samudra, Sesilia Rani
Bioma : Berkala Ilmiah Biologi Vol. 23, No 2, Tahun 2021
Publisher : Departemen Biologi, Fakultas Sains dan Matematika, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/bioma.23.2.119-124

Abstract

Periphyton abudance is influenced by water dynamics like a currents and waves. The aim of the research was to determaine periphyton abudance on Thallasia hemperichii seagrass in different season waters at Legon Boyo, Karimunjawa. The result show in T. hemperichii were found 9 periphyton classes. The most number is Bacillaryophyceae dominant in every season. Biology index show a value of 0.96-2.6 (low-moderate diversity), uniformity has a value of 0.65-1.48 (medium-high uniformity) and dominance with a value of 0.11-0.23 (low dominance). This shows that the abundance of different periphyton is caused by differences in water dynamics in each season.  
Isolasi dan Pengaruh Monosodium Glutamat terhadap Pertumbuhan Bakteri Proteolitik Limbah Cair Tahu Cahyaningrum, Emi; Wijanarka, W; Lunggani, Arina Tri
Bioma : Berkala Ilmiah Biologi Vol. 23, No 2, Tahun 2021
Publisher : Departemen Biologi, Fakultas Sains dan Matematika, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/bioma.23.2.84-90

Abstract

The tofu industry in Indonesia is growing rapidly. Tofu liquid waste is usually discharged into the waters and causes water pollution. An efficient way to overcome this problem is to utilize tofu liquid waste. Tofu liquid waste contains proteolytic bacteria that are useful in industry. The increase in bacterial growth is done by adding substances, one of which is the addition of Monosodium Glutamate (MSG). MSG contains glutamate which plays a role in protein synthesis. This study aims to isolate proteolytic bacteria and determine the effect of MSG on the growth of proteolytic bacteria in tofu liquid waste. The research methods included isolation, purification, morphological characterization, calculation of the Proteolytic Index (IP), testing the effect of MSG concentration on growth and protease activity, and data analysis. The MSG concentration used was 0 gr/L; 0.5 gr/L; 1 g/L and 1.5 g/L. The design used was Completely Randomized Design (CRD). The results obtained four isolates with different morphological characteristics. The isolate that had the highest IP value was the fourth isolate of 3,206 and was used for the test. The effect of MSG on growth and protease activity was highest at a concentration of 1.5 g/L at 24 hours. The highest protease enzyme activity was 0.0756 U/mL. The results of the ANOVA analysis showed a significant effect (p<0.05) on the administration of MSG on the growth of the four proteolytic bacterial isolates of tofu wastewater
Kinetika Pertumbuhan dan Analisis Fourier Transform Infra Red (FTIR) Spectroscopy Bakteri Penghasil Pigmen Serratia marcescens dan Rhodococcus sp. Kusdiyantini, Endang
Bioma : Berkala Ilmiah Biologi Vol. 23, No 2, Tahun 2021
Publisher : Departemen Biologi, Fakultas Sains dan Matematika, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/bioma.23.2.172-176

Abstract

Serratia marcescens and Rhodococcus sp. are two pigment-producing bacteria that have the potential to be used in industry. Pigment production is closely related to bacterial growth. This study examined the growth and specific growth rate (umaks) as well as functional group analysis using FTIR from the bacteria S. marcescens and Rhodococcus sp. isolated from the Gedong Songo hot spring, Bandungan Semarang. The results showed that the maximum growth of S. marcescens and Rhodococcus sp. of 0.044 g/L and 0.0038 g/L were achieved at the same hour, namely 48 hours of incubation time. The specific growth rate (umax) of S. marcescens was 0.11(1/hour) and Rhodococcus sp. of 0.15 (1/hour). FTIR analysis of these two bacteria showed absorption at N-H, C-H, O-H and C=O, so that the pigment compounds belonged to the alkaloid group.
Pengaruh Komposisi Media Tanam Organik Arang Sekam Dan Pupuk Kotoran Sapi Terhadap Pertumbuhan dan Kelangsungan Hidup Tanaman Cabai Merah (Capsicum annum L.) dan Cabai Rawit (Capsicum frutescens L.) Nuke, Yolanda; Ledheng, Ludgardis; Yustiningsing, Maria
Bioma : Berkala Ilmiah Biologi Vol. 23, No 2, Tahun 2021
Publisher : Departemen Biologi, Fakultas Sains dan Matematika, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/bioma.23.2.125-132

Abstract

This study aims to determine the effect of organic growing media composition of husk charcoal and cow dung on the growth and survival of red chili (Capsicum annum L.) and cayenne pepper (Capsicum frutescens L.). The research was conducted in November 2019 – February 2020 in Faennake Village, North Bikomi District, TTU Regency. The method used in this study is an experimental method with a two-factor randomized block design with five treatments and four replications. The first factor is a large red chili plant. The second factor is cayenne pepper plants with different planting media treatments. The parameters studied were plant height, number of leaves, number of fruit, number of productive branches and plant survival of red chili and cayenne pepper. Data were analyzed through ANOVA with an error rate of 0.5% and to determine the difference between treatments using Duncan's multiple range test with a significance level of 5%. The results showed that the survival of red chili and cayenne pepper in each treatment was good because each planting medium was able to meet the needs of these plants. As for the growth in the treatment of 50% soil, 25% husk charcoal, 25% cow dung, it showed a good effect where in red chili plants the plant height at 45 DAP was 59.5 cm. And for cayenne pepper plants at 45 DAP, which is 50.75 cm. From the observations, it can be concluded that the composition of the growing media 50% soil plus 25% husk charcoal and 25% cow manure was able to increase the growth and yield of Capsicum annum L. and Capsicum frutescens L. plants.
Kajian Etnobotani Loloh dan Teh Herbal Lokal sebagai Penunjang Ekonomi Kreatif Masyarakat Desa Tradisional Penglipuran Kabupaten Bangli-Bali Pebiana, Ni Putu Nadia; Puspasari, Yeni Dina; Dewi, Resty Mutiara; Arnyana, Ida Bagus Putu
Bioma : Berkala Ilmiah Biologi Vol. 23, No 2, Tahun 2021
Publisher : Departemen Biologi, Fakultas Sains dan Matematika, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/bioma.23.2.91-99

Abstract

Penglipuran Village is a village in Bali that implements ethnobotany which is used as a medicinal plant which has been inherited in the form of a variety of traditional drinks that make use of typical plants in the village and has been widely marketed. The traditional drinks they produce are loloh cem-cem, loloh telang, turmeric loloh, plum fruit loloh and kelor and bawang berlian tea. The purpose of this article is to study the properties needed in plants used as loloh and herbal teas as well as the benefits of ethnobotany loloh and herbal teas as economic support as seen from the level of income of the people involved in their production. The writing of this article was done by taking a sample of snowballs in Penglipuran Village. Data collection techniques used in this study are: observation techniques, interview techniques, literature study techniques and data analysis using descriptive qualitative techniques. Data obtained in the field in accordance with the debates reviewed are described and interpreted qualitatively. The results obtained from this study are some plants that have been produced by economic products that are designed for local drinks, namely loloh and herbal teas. Using plants as traditional medicine by the people of Penglipuran Village, has now developed into an effort that provides economic benefits for the community. Based on the results of the study found three types of local traditional drinks (loloh) that support the welfare and economy of the Penglipuran Traditional Village community namely loloh cemcem, loloh telang flowers, and kelba tea (kelor bawang berlian) seen from the results of production in each transaction and marketing has been quite extensive.
Pengaruh Vitamin B Kompleks Pada Produksi Senyawa Antimicrobial Peptides dari Pediococcus pentosaceus Serta Uji Aktivitasnya Terhadap Bacillus cereus dan Eschericia coli Febrianty, Debby Ananda; Wijanarka, W; Rukmi, Isworo
Bioma : Berkala Ilmiah Biologi Vol. 23, No 2, Tahun 2021
Publisher : Departemen Biologi, Fakultas Sains dan Matematika, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/bioma.23.2.133-142

Abstract

Both eukaryotic and prokaryotic organisms can produce antimicrobial peptides (AMPs) which function as a self-defense mechanism against other harmful organisms in the same ecological niche. Pediococcus pentosaceus is a species of Lactic Acid Bacteria (LAB) capable of producing AMPs in the form of bacteriocins and bacterocin-like inhibitory substances. The compounds it produces have received Generally Regarded as Safe status by the Food and Drug Association (FDA) and have potential as biological preservatives in the food sector. The production of these compounds can be influenced by environmental factors and growth medium of producing bacteria, so that optimization studies for the production of bacteriocin have been developed, in order to obtain optimal its activity. Vitamin B Complex is one of the growth factors needed by living things including bacteria to support their metabolism. This study aims to determine whether the addition of vitamin B complex affects the production and activity of AMPs from P. pentosaceus. Vitamin B Complex concentrations of 0 ppm, 0.1 ppm, 1 ppm and 10 ppm were added to the production medium of P. pentosaceus. Cell-free supernatants were harvested by centrifugation, then their activity was tested against Bacillus cereus and Eschericia coli using the Kirby Bauer method and analyzed using one way ANOVA parametric statistical test with a significance level of 0.05 and Duncan's post hoc test. The results showed that the addition of vitamin B complex was not significantly different to the activity of AMPs compounds, but in higher concentrations could reduce the activity of these compounds.
Keanekaragaman dan Kelimpahan Jenis Burung di Kawasan Mangrove Mangunharjo Semarang Zaida, Amalia; Rahayuningsih, Margareta
Bioma : Berkala Ilmiah Biologi Vol. 23, No 2, Tahun 2021
Publisher : Departemen Biologi, Fakultas Sains dan Matematika, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/bioma.23.2.100-106

Abstract

The Mangunharjo mangrove area is one of the mangrove ecosystems in the coastal area of Semarang City. This study aims to determine the diversity and abundance of bird species, as well as the similarity index of bird communities in the Mangunharjo mangrove area. Data were collected using the point count method in the observation area including ponds, mangroves, rice fields, and beaches. Data collection was carried out periodically from July 2019 to February 2020 with three replications in each area. The results showed that in the Mangunharjo mangrove area there were 66 species of birds from 32 families. The Shannon-Wiener diversity index in the observation area, from the highest to the lowest, were ponds 3.10 (high), mangroves 2.81 (medium), rice fields 2.75 (medium), and beaches 2.66 (moderate). The dominant bird species in the area are the Linci Swallow (15.73%) and the Little Egret (10.61%). While the areas that had the highest Sorensen species similarity index were ponds and mangroves with an index value of 62.5%.
Tingkat Keberhasilan Penanaman Mangrove Pada Lahan Bekas Tambang Timah Di Desa Rebo Kabupaten Bangka Sebagai Bentuk Pemanfaatan Lahan Dalam Wilayah Hutan Mangrove Di Pesisir Timur Pulau Bangka Farhaby, Arthur Muhammad; Anwar, Muhammad Syaiful
Bioma : Berkala Ilmiah Biologi Vol. 23, No 2, Tahun 2021
Publisher : Departemen Biologi, Fakultas Sains dan Matematika, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/bioma.23.2.143-148

Abstract

The existence of unconventional mines (TI) which is increasingly prevalent nowadays has penetrated the coast, resulting in the mangrove ecosystem unable to develop properly. One of the areas affected by unconvencional minning activities is on the coast of Takari Beach, Bangka Regency. Takari Beach is one of the areas located on the coast of Rebo Village, Sungailiat District, Bangka Regency. One of the rehabilitation efforts carried out is by planting mangrove seedlings on Takari Beach in 2018 with a total of 500 mangrove seedlings. Mangrove rehabilitation activities are one form of land use conducted in Takari Beach. This activity also needs to be supported by the maintenance and monitoring of planting results to determine the success rate of mangrove planting activities on ex-tin mining land located in the coastal area of Takari Beach, Bangka. The results showed that the percentage of mangroves living at the observation station, namely on plot 1, was 71%. Plot 2's survival rate is 80%. The survival rate for plot 3 is 81%, the survival rate for plot 4 is 54%, and the survival rate for plot 5 is 27%. Plots 1,2 and 3 have a high survival rate, which is around 70-81%. Plots 4, and 5 have a low survival rate, which is around 27-54%. This can indicate that the success rate of mangrove survival can be said to be less successful. This could be due to the fact that there are still floating unconventional mining (TI) activities, which are operating again so that it is suspected that the tailings yield inhibits the growth rate and causes the death of mangrove seedlings.

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