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Bioma : Berkala Ilmiah Biologi

bioma
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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.

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Articles 12 Documents

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Search results for , issue "Vol. 19, No. 2, Tahun 2017" : 12 Documents clear

Keanekaragaman Tumbuhan yang Berpotensi sebagai Bahan Pangan di Hutan Lindung Pulau Panjang Jepara Jawa Tengah Utami, Sri
Bioma : Berkala Ilmiah Biologi Vol. 19, No. 2, Tahun 2017
Publisher : Departemen Biologi, Fakultas Sains dan Matematika, Universitas Diponegoro

Panjang Isaland is small island in Jepara, Central Java province, with covers about 19,73 ha areas but information on plant biodiversity especially, which has potency as source of foodstuff is still limited. For that reason a plant exploration and inventory in this area has been done in forest protected Panjang Island. Nineteen species of edible plant have been recorded, and they consist of fruits (6 species), vegetables (7 species) and tuber (6 species). Of these species have not all used by local communities to fulfill their food needs. Need to be introduced to local communities the potentialÂ of edible plants Â in Panjang Island in order to support the efforts of food independence in Indonesia.

Performa Peningkatan Lemak Dan Asam Lemak Linoleat Dari Daphnia Sp. Dengan Menggunakan Fermentasi Kotoran Burung Puyuh, Roti Afkir, Dan Ampas Tahu Syaiful Anwar; Johannes Hutabarat; Vivi Endar Herawati
Bioma : Berkala Ilmiah Biologi Vol. 19, No. 2, Tahun 2017
Publisher : Departemen Biologi, Fakultas Sains dan Matematika, Universitas Diponegoro

Daphnia sp. was natural feed which could adequate the needs of fish fry growth. Fats and fatty acids was main factor which very influenced the success of reproduction and live for hatched larva fish. Fats had important role as the main source. The lack of essencial fatty acid could impact the decrease of fish growth and reproduction. The purpose of this research were to found out the best treatments and the effect of fermented quail feces, bread waste, and tofu waste towards the growth, and increased fats and linoleic fatty acid from Daphnia sp.. The methods of this research was used experimental method and complete randomize design with 4 treatments and 3 repetitions, with density of 100 ind./litre. The treatments which used on this research were treatment A (50% bread waste, 50% tofu waste, and 0% quail feces), treatment B (25% bread waste, 50% tofu waste, and 25% quail feces), treatment C (50% bread waste, 25% tofu waste, and 25% quail feces), and treatment C (25% bread waste, 25% tofu waste, and 50% quail feces) with total combination amount of 200 grams/litre. The data that observed were population of Daphnia sp., fatty acid value, and linoleic fatty acid value. The result of this research showed that Daphnia sp. growth population was valued 502,22 ind/ml – 1949,44 ind/ml, whereas the increasing of fat value from 6,26% became 8,15% and linoleic fatty acid from 0,91% become 6,14%. Acording to the research result could be concluded that the additition of fermented quail feces, and tofu waste gave differences towards the growth, with the fat value increased of Daphnia sp. was 1,89% and linoleic fatty acid was 5,23% and the best treatment for growth and linoleic fatty acid value was the treatment C (50% bread waste, 25% tofu waste, and 25% quail feces) and treatment A (50% bread waste, 50% tofu waste, and 0% quail feces) for the fat value of Daphnia sp.Keyword: Daphnia sp.; Fats; Linoleic Fatty Acid; Fermentation

Talas-Talasan (Araceae) Sumber Pangan Lokal Di Kawasan Karst Kecamatan Pracimantoro Kabupaten Wonogiri Jayanti, Endah Dwi; Jumari, J; Wiryani, Erry
Bioma : Berkala Ilmiah Biologi Vol. 19, No. 2, Tahun 2017
Publisher : Departemen Biologi, Fakultas Sains dan Matematika, Universitas Diponegoro

Taros (Araceae) is a group of bulbous plants which are commonly found in Indonesia. Araceae have a high carbohydrate content, so it is potential to be used as a local food source for the community. The purpose of this research was to assess the types and cultivars, cultivation status, and the utilization of Araceae found in the karst area of Pracimantoro District, Wonogiri. The research was held in January to May 2016. Plant sample was taken in six villages, Sumberagung, Gedong, Gebangharjo, Glinggang, Wonodadi and Gambirmanis. The data were analyzed descriptively. The results is, 9 variants of Araceae which belong to 4 species was found in the karst area of Pracimantoro. Cultivation status of Araceae is semi-wild, that is not planted and given specific treatment. The utilization of Araceae in Pracimantoro District generally as food additives, other uses is for medicinal and ornamental plantsÂ Key word: Araceae, Local food resources, Karst area, Pracimantoro.

Perbandingan Struktur Komunitas Mikroartropoda Tanah di Lahan Zona Aktif dan Pasif TPA Jatibarang Semarang Amelinda, Elda Dheiva; Rahadian, Rully; Hadi, Mochamad
Bioma : Berkala Ilmiah Biologi Vol. 19, No. 2, Tahun 2017
Publisher : Departemen Biologi, Fakultas Sains dan Matematika, Universitas Diponegoro

Microarthropods is one of the important components of soil biology which is abundant and varied. The purpose of this research is to compare the structure of microartropod soil community and to examine the influence of physical-chemical factors of the environment based on the dynamics of abundance of soil microartropods in the active zone and the passive zone of Jatibarang Landfill Landfill Semarang. This research was conducted at Jatibarang Landfill Zone of active zone and passive zone by using purposive sampling method. The results showed that the number of species and the number of microartropods in the active zone was higher than the passive zone. In the active zone found 2240 individual / m2 soil microartropods consisting of 21 species and 17 families, whereas in the passive zone found 480 individual / m2 soil microartropods consisting of 10 species and 9 families. The dominating families in both the active and the passive zones are Sciaridae and Cicadellidae. Environmental factors that affect the diversity of soil microartropods are ground water content, soil porosity, heavy metal content such as Pb, Cu, and Zn; As well as the availability of organic matter in the soil.Â Keyword: Community structure, soil microarthropods, heavy metals, Jatibarang landfill

Efek Pemberian Virgin Coconut Oil Dan Olive Oil Dalam Pakan Terhadap Pertumbuhan Tulang Femur Tikus Putih Jantan (Rattus norvegicus) Suhartatik, S; Yuniwarti, Enny Yusuf Wachidah; Djaelani, Muhammad Anwar
Bioma : Berkala Ilmiah Biologi Vol. 19, No. 2, Tahun 2017
Publisher : Departemen Biologi, Fakultas Sains dan Matematika, Universitas Diponegoro

This research aimed to annalyse the effects of virgin coconut oil and olive oil on the length, diameter and weight of the femur bone in white male rat (Rattus norvegicus). This research used 25 white male rats and consists of 5 treatments with 5 replications. This research used the treatment P0: as a control, P1: feed with an addition of 5 ml virgin coconut oil / kg feed, P2: feed with an addition of 10 ml virgin coconut oil / kg of feed, P3: feed with an addition of 5 ml olive oil / kg feed and P4: feed withÂ an addition of 10 ml olive oil / kg feed. This research used a method called Completely Randomized Design (CRD). The variables measured in this research are the weight, length and diameter of white male rats. The data was analyzed using Analysis of Variance (ANOVA) at 95% level. The results showed that the growth of femur bone in male rat does not have different response after giving virgin coconut oil and olive oil.Â Â

Identification of water conservative tree species with high economic value around â€œSendang Kalimah Toyyibahâ€ Wiryani, Erry; Anggoro, Sutrisno; Mulyani, Sri
Bioma : Berkala Ilmiah Biologi Vol. 19, No. 2, Tahun 2017
Publisher : Departemen Biologi, Fakultas Sains dan Matematika, Universitas Diponegoro

Spring conservation require serious concern on the economic advantages for the society. Without economic advantages achieved from the conservation activities, the conservation programme should face intense conflict of land utilization. Plantation of economically valuable conservative plant species is one of the proposed solution to overcome the problem. This research aimed to identify the economic value of conservative plant species found in â€œSendang Kalimah Toyyibahâ€ surrounding. Research was conducted through field observation involving 4 line transects and 4 square transects at each line with transect size of 20 m x 20 m. Plant identification was conducted for tree strata. Data analysis was including diversity, evenness and importance index of respective plants. Economic valuation was conducted through literature study. The result showed there were 28 plants species availabile in â€œSendang Kalimah Toyyibahâ€ surrounding. Among the plant species 22 of the had been identified to provide conservative function, while 6 of them werenâ€™t including Banana, Papaya, Melinjo, Pangi, Longan and Stink Bean. Instead of providing conservative function, most plants also provide economic advantages including wood, fruit, flower, bud, leaf, fibre, sugar, peel and bean products while only 3 of them were not identified including Banyan, Manila Tamarind and Amboyna Wood. Plantation of economically valuable conservative plant species is recommended to support the conservation of the spring as well as to provide economic advantage for the society.Â Keywords: conservation, economic, plant, â€œSendang Kalimah Toyyibahâ€, spring

Produksi Enzim Selulase Dari Bakteri Serratia marcescens KE-B6 Dengan Penambahan Sumber Karbon, Nitrogen dan Kalsium Pada Medium Produksi Septiani, Arom; Wijanarka, W; Rukmi, MG Isworo
Bioma : Berkala Ilmiah Biologi Vol. 19, No. 2, Tahun 2017
Publisher : Departemen Biologi, Fakultas Sains dan Matematika, Universitas Diponegoro

The waste of cellulose in the agro-industry can be reduced by decomposing the cellulose polymer into glucose. This process was carried out by cellulase enzyme (EC 3.2.1.4) produced by cellulolytic bacteria. Bacteria required food as nutrition to survived their life, can be obtained through growth medium or enzyme production medium. Carbon, nitrogen and calcium belong to the essential nutrients contained in growth medium and enzyme production medium. The purpose of this study is to determine the effect of the addition of carbon, nitrogen and calcium source and the time of incubation on the production of cellulase enzyme from Seratia marcescens KE-B6 bacteria. This research used Completely Randomized Design (RAL) of Factorial Pattern with two factors. The first factor is the type of medium, the first medium is the standard medium (M1) and the second medium is enriched with carbon, nitrogen and calcium sources (M2), the second factor is the incubation time with 5 repetitions. The enzyme production is measured by the reducing sugar method. The data obtained were analyzed using Anova. The results showed that the addition of carbon, nitrogen, and calcium sources and incubation time did not affect the production of cellulase enzyme by Serratia marcescens KE-B6.Â Keywords: Cellulose, Cellulase enzyme, Serratia marcescens

Identifikasi Jenis Pigmen Dan Uji Potensi Antioksidan Ekstrak Pigmen Bakteri Serratia marcescens Hasil Isolasi Dari Sedimen Sumber Air Panas Gedong Songo Naufal, Adhitya; Kusdiyantini, Endang; Raharjo, Budi
Bioma : Berkala Ilmiah Biologi Vol. 19, No. 2, Tahun 2017
Publisher : Departemen Biologi, Fakultas Sains dan Matematika, Universitas Diponegoro

Pigments can be produced by plants, animals, and microbes, including the bacteria Serratia marcescens. Pigments are believed to be used as antibacterial, anticancer, antibiotic and antioxidant. The quality of the pigment is greatly determined by its type. The aim of this study was to identify the type of pigment produced by S. marcescens resulting from the sediment of Gedong Songo hot spring, and testing its antioxidant activity. S. marcescens was grown on Nutrient Broth (NB) medium for 96 hours at room temperature and sampled once every 6 hours for growth measurement and pigment measurement. Cell dry weight was used to measure the growth of S. marcescens, while the measurement of pigment production was done using spectrophotometer with 535 nm wavelength for red pigment and identification of pigment with Thin Layer Chromatography and UV-Vis and testing of antioxidant activity using carotene bleaching method. The results showed the measurement of pigment production has optimal point at 48 hours at 1,319 mg/L. Identification of pigment type S. marcescens using TLC obtained value of Â 0,8 with spectrophotometer wavelength at 536 nm. The value of antioxidant activity Pigment S. marcescens obtained at 13%.Â Keywords: Serratia marcescens, prodigiosin, KLT, antioxidant

Struktur Komunitas Fitoplankton sebagai Dasar Pengelolaan Kualitas Perairan Pantai Mangrove di Tapak Tugurejo Semarang Lathifah, Nurul; Hidayat, Jafron Wasiq; Muhammad, Fuad
Bioma : Berkala Ilmiah Biologi Vol. 19, No. 2, Tahun 2017
Publisher : Departemen Biologi, Fakultas Sains dan Matematika, Universitas Diponegoro

Phytoplankton has of important role in water as of base of the food chain this is also can service a bioindicator the pollution of waters. This study aims to assess the phytoplankton community structure in Tapak Semarang, assessing the level of fertility of inshore mangrove community, and to assess the water quality of inshore. Samples were take in is in the mangrove region of Tapak Semarang. This study was conducted in May 2016 (rain season) and in September 2016 (dry season). Selection of the stations were based on different environmental conditions in the research include the pond and public waters in the waters of coastal mangrove the soles of Semarang. Analysis of index diversity, index evennes and index saprobik. The results showed that the spesies of phytoplankton obtained during the study on mangrove coastal waters Tapak Tugurejo Semarang were 13 species (rainy season) and 25 species (dry season). The most common species of phytoplankton found in all stations wereCerataulina bergonii, Nitzhcia sp, Rhizosolenia spp, Synedra ulna, Netrium digitus, Gloeotrichia echinulata, and Oscillatoria Formosa. Index of species diversity (Hâ€™) that exist in mangrove coastal waters Tapak Tugurejo Semarang were in the range of 0.73 to 1.95 low to moderate with low to moderate quality of stabilities during the rainy season. Mean while in the dry season of high species diversity index in the range of 2.24 to 2.82 which indicated stability of the ecosystem was low to moderate. The value of evennes index (e) ranged from 0.66 to 0.97 during the rainy season, and 0.90 to 0.94 in the dry seasons these indices illustrated that each station has a moderate to high similaritas. In term of saprobitas level it was at Oligosaprobik state to Î²-Meso/Oligosaprobik describe very mild to light polluted. The quality of mangrove coastal waters based DO, temperature, salinity and pH are still good for fish farming.Â Keywords: community structure, phytoplankton, Tapak, Tugurejo, Semarang..Â

Keanekaragaman dan Kelimpahan Semut sebagai Predator Hama Tanaman Padi di Lahan Sawah Organik dan Anorganik Kecamatan Karanganom Kabupaten Klaten Adhi, Siska Lesiana; Hadi, Mochamad; Tarwotjo, Udi
Bioma : Berkala Ilmiah Biologi Vol. 19, No. 2, Tahun 2017
Publisher : Departemen Biologi, Fakultas Sains dan Matematika, Universitas Diponegoro

Ants potentially as predators that become natural enemies of insect pests in rice fields with paddy cultivation. This study aims to know the diversity and abundance of ants, the role of ants, the population of ants, and the influence of physical and chemical factors in organic and inorganic rice fields. The ants were collected using pit fall trap method with insect bait, fish meat, and sugar solution. The results showed that the number of species and the number of individuals in organic rice fields was higher (429 individuals, 11 species) than inorganic rice fields (193 individuals, 10 species). In general, the index of diversity in organic rice fields was higher (ranging from 0.73 to 1.65) compared to inorganic rice fields (ranging from 0 to 1.28). The index of evenness in organic rice fields ranged from 0.63 to 0.99 (evenly distributed), whereas in inorganic rice fields ranged from 0 to 0.99 (uneven until evenly distributed). The dominant ants in organic rice fields were Camponotus sp, Solenopsis geminata, Anoplolepis gracilipes, and Paratrechina longicornis, whereas in the inorganic rice fields were Tapinoma sp, Solenopsis geminata, and Camponotus sp. The index of similarity between organic and inorganic rice fields showed a high and very high degree of similarity based on the type of feed. Physical factors of high soil and air humidity environment, high soil and air temperature increased the diversity and abundance of ants in the rice fields ecosystem. Factors soil pH in accordance with the growth of soil Arthropods were neutral or slightly acidic. Chemical factors of organic matter content, Nitrogen (N), the content of C organic, and a high P total content increased the diversity and abundance of ants.Â Keywords: diversity and abundance, ants, organic and inorganic rice fields

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