Publikasi Online Fakultas Biologi UNSOED (Universitas Jenderal Soedirman)
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Nilai Konservasi Tinggi Kawasan Hutan Nusakambangan Sebagai Sumber Penghidupan bagi Masyarakat Lokal
Get PDFA study on ecosystem services of Nusakambangan tropical low land rain forest was conducted by survey method. The purposes of this study are to identify the ecosystem services needed by local community families, to define degree of dependency of the local community family on the ecosystem services, to know the status of high conservation value (HCV 5) and to design the conservation strategy. The results showed that Nusakambangan low land rain forest has HCV 5. The basic need of the local community families has depends on the ecosystem service of Nusakambangan tropical low land rain forest. The silvopastory technology can be applied as conservation strategy of Nusakambangan tropical low land rain forest
Keanekaragaman, Persebaran dan Pemanfaatan Jenis-Jenis Anggrek (Orchidaceae) di Resort Citorek, Taman Nasional Gunung Halimun-Salak, Jawa Barat
Get PDFDiversity, distribution, and utilization of orchids have been studied on the mountains of Halimun-Salak National Park. Samples were taken from Citorek Resort with focused exploration on Citorek, Lebaktugu, Cinakem, Cibedug, and Ciawitali areas. The total,of 107 species belonging to 46 genera were recorded. As many as 27 species were recorded as javanese endemic species of Indonesian islands. Most species have no economic value and only a few orchids have been cultivated. The Calanthe, Cymbidium, Phaius and Renanthera have been used for cross breeding
Diversitas Species Tumbuhan Paku Hias dalam Upaya Melestarikan Sumberdaya Hayati Kebun Raya Baturraden
Get PDFBaturraden Botanical Garden is a complex ecosystem. Its natural resources, including several species of fern, provide an opportunity to be managed sustainably so it can be used to fulfill a long term of public need. This research was aimed to know the diversity of fern species and its potential as ornamental plants. The research was using survey method. The data was analyzed using descriptive comparative analysis. Species identification was performed by comparing the samples with herbarium specimens and also using identification keys. During the observation, 26 species of fern were found, which is consisted of 14 terrestrial species and 12 epiphyte species. Nephrolepis bisserata (Sw.) Schott. was terrestrial species with highest individual number and widest dispersion, whereas terrestrial species with smallest individual number and the narrowest distribution was Blechnum orientale Linn. Epiphytic fern species with highest individual number and widest dispersion was Nephrolepis falcata (Cap.) C. Chr., whereas epiphytic species with smallest individual number and narrowest distribution was Davallia triphylla Hk. From 26 fern species which were found at Baturraden Botanical Garden, 22 fern species were potential as ornamental plant which can be grew up either on land, pot or on host plant
Analisis Variasi Bentuk Karapaks Kuya Batok (Cuora amboinensis Daudin, 1802) dan Bajuku (Orlitia borneensis Gray, 1873) dengan Metode Elliptic Fourier Descriptors
Get PDFTurtles is easily identified because of its shield. The dorsal shield or commonly called carapace is one of characteristics that can be used for turtle’s identification. People and researchers usually can distinguish the turtles just by looking at the carapace valve, but not in carapace shape. Both of them sometimes have their own interpretation about it, because carapace shape has a variation. This research was aimed to obtain some information about differences of carapace shape variation between Coura amboinensis and Orlitia borneensis quantitatively and also to investigate about characteristic of variation on carapace shape of a species. The specimens were taken from Pusat Penyelamatan Satwa Jogja. The picture of carapace shape of the turtles was changed into bitmap then processed used SHAPE ver 1.3. The variation of carapace contour were extracted by image processing, described and analyzed by Elliptic Fourier Descriptors. Mathematically independent shape characteristics were then indentified by Principal Component Analysis of The Elliptic Fourier Descriptors. Principal components represented the aspect ratio of the broad size, length size, and curve or roundness margin of the carapace. Based on result showed that intraspecies variation shape of carapace on C. amboinensis and on O. borneensis can be analysis into 3 principal component. The principal component 1st (PC1), 2nd (PC2) and 3rd (PC3) components accounted for 82.77%, 10.3% and 4.73% of total shape variation on C. amboinensis. The 1st, 2nd and 3rd components accounted for 88.1%, 7.02% and 3.71% of total shape variation on O. borneensis. The contribution ratio of PC1 was over 80% on both of species, showing that most of the variation on carapace shape could be explained by the aspect ratio. The PC2 and PC3 were less than 20%, indicated that there is small asymmetric variation degree of roundness on carapace
Kinetika Enzim Nitrilase Dari Sel Utuh Rhodococcus spp Pada Biotransformasi Mandelonitril
Get PDFRhodococcus spp can be used as mandelonitrile substrate for carbon and nitrogen source in life cycle of metabolism. They have potential of activity biotransformation for produced (R/S)-mandelic acid from mandelonitrile. (R/S)-mandelic acid is an important biotransformation product for production of pharmaceuticals such as semisynthetic penicillins, cephalosporins, antitumor agents, antiobesity agents and antiinflamation agents. This research was conducted to determine the enzyme kinetics (Km and Vmax) of nitrilase from Rhodococcus TPIK, LP3, GLB5 (induction acetonitrile 1000 mM - mandelonitrile 100 mM) with florometric methods, spectrophotometer analysis (λ = 413 nm). This research was carried out by assaying nitrilase enzyme activities in various concentration of mandelonitrile subtrates which were between 10 mM – 100 mM with 10 mM interval. The result showed that the enzyme kinetics of nitrilase from Rhodococcus TPIK (Km was 72.303 mM and Vmax was 2.075 mM/ml cell/minute), Rhodococcus LP3 (Km was 47.048 mM and Vmax was 1.942 mM/ml cell/minute), Rhodococcus GLB5 (Km was 34.375 mM and Vmax was 2.083 mM/ml cell/minute). Nitrilase enzyme from Rhodococcus GLB5 have smallest Km value. So we can interpretationed, this enzyme have good complexity Enzyme-Substrate, high affinity with substrate, and high speed reaction for forms product mandelic acid
Studi Agronomis Tanaman Padi (Oryza sativa L.) Hasil Ko-Kultivasi Beberapa Strain Agrobacterium tumefaciens
Get PDFThe transgenic rice of Cisadane and Rajalele cultivars (cv) was obtained by co-cultivation of rice callus by 4 strain Agrobacterium tumefaciens containing 4 different binary vector (pIG 121 Hm, pCAMBIA 1301, pTOK 233 and pMOG22 BarGus). The transgenic plantlets were acclimatized and grown in the growth chamber to investigate their agronomic characteristic in comparison to control plants. The results showed that there was no difference in the number of spikelet and seeds/spikelet among different transgenic lines co-cultivated by different strains. The number of seed/spikelet of transgenic rice cv. Rojolele and Cisadane compared to their control did not show significant difference. However, the total number of spikelet was different only for cv. Rojolele
Biosorpsi Krom pada Air Lindi Menggunakan Biomasa Sargassum cinereum
Get PDFLeachate is liquid resulted from decomposition of organic waste that contains dissolved and suspended materials as product of microorganism degradation. Leachate comprises high concentration of organic material and heayy metal. High concentration of heavy metal in leachate can be optimally reduced without decreasing organic material concentration through biosorption process. Biosorption is metal binding through adsorption using inactive or dead organism. This research is aimed to perceive the number of biomass, contact duration and combination of the number of biomass and contact duration to adsorb chrome in leachate. Research method employed in this research is experimental method arranged in accordance with Complete Random Design with Split Plot Design. The treatment experimented in this research is contact duration of Sargassum cinereum with leachate as main plot (1 hour, 2 hours and 3 hours) and biomass S. cinereum as sub-plot (200 mg, 300 mg and 400 mg). Data is analyzed using range analysis (ANOVA) and followed by Test of Straight Actual Difference. The result shows that biomass S. cinereum is able to adsorp chrome in leachate. The number of chrome adsorbed in each treatment is different, depend on the contact duration and the number of biomass of S. cinereum.Three hours is optimum contact duration in adsorbing Cr up to 46,275%, meanwhile 400 mg of biomass S. cinereum is optimum concentration to adsorp Cr up to 46,536%. Combination of 3 hours contact duration and 400 mg of biomass S. cinereum could adsorb Cr up to 51,249%
Jenis Kelelawar Pemakan Buah (Pteropodidae) di Taman Wisata Alam Gunung Meja Manokwari
Get PDFA study of bats was aimed to collect information on the presence of fruit bats that predicted involved in pollination or seed dispersal of certain commercial fruit plants within and around the Taman Wisata Alam Gunung Meja, Manokwari. Forty five individual consists of 8 (eight) species: Dobsonia minor, Dobsonia moluccensis, Macroglossus minimus, Nyctimene aello, Nyctimene albiventer, Nyctimene draconilla, Rousettus amlexicaudatus and Syconicteris australis have been captured and identified during the survey. It was assumed based on observation of vegetation found around the study site that the presence of fruit bats species help to maintain and contribute to seed dispersal of the fruit plants. Further study is required to obtain accurate data through the stomach content collection of the observed bats. Land conversion and illegal hunting was frightened influence the bat habitat and population which finally impact to fruit production
Keanekaragaman Bakteri Tanah dari Teluk kodek Area, Pamenan Lombok Barat
Get PDFIndonesia is the center of the world's biodiversity with a unique biodiversity and priceless. To explore and get more information about biodiversity, strategic research was needed. The objective of this reseach was to explore the population diversity of soil microbes in Lombok Island. Bacterium isolates was identified by molecular 16S rDNA. Soil samples from 5 different sites in Lombok Island showed various bacteria population. The highest population 113 x 106 CFU/g soil was found in soil sample around Plumeria acuminata and the lowest 34 x 106CFU/g soil was found in soil sample around Tamarindus indica tree. Fourteen of isolates were identified using molecular identification with homology from 94 – 100%
Kajian Etnobotani Pisang-pisang Liar (Musa spp.) Di Malinau, Kalimantan Timur
Get PDFEthnobotany studies of wild banana species in Malinau, East Kalimantan has been done. There are two varieties of wild banana species in Malinau, e.g. Musa borneensis Becc. var. flavida Häkkinen & Meekiong and Musa acuminata Colla var. microcarpa Nasution. They have an important roles in the customs of the local communities in Malinau, Punan tribes as land certificate. In addition, young pseudostem of M. borneensis Becc. var. flavida often used as food in the traditional parties. The description and the uses of M. borneensis var. flavida and M. acuminata var. microcarpa are presented here