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Biosaintifika: Journal of Biology & Biology Education
Published by Universitas Negeri Semarang
ISSN : 2085191X     EISSN : 23387610     DOI : -
Core Subject : Agriculture,
Agriculture, Biological Sciences & Forestry
Biosaintifika Journal of Biology & Biology Education, an electronic international journal, provides a forum for publishing the original research articles, review articles from contributors, and the novel technology news related to biological research and biological education.
Arjuna Subject : -
Articles 12 Documents
 1   2 
Search results for , issue "Vol 2, No 2 (2010): September 2010" : 12 Documents clear
Karakteristik Populasi Rayap Tanah Coptotermes spp (Blattodea: Rhinotermitidae) dan Dampak Serangannya Subekti, Niken
Biosaintifika: Journal of Biology & Biology Education Vol 2, No 2 (2010): September 2010
Publisher : Department of Biology, Faculty of Mathematics and Sciences, Semarang State University . Ro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/biosaintifika.v2i2.1158

Abstract

Termite are known to infest building in the tropics, but in their quest for cellulose they may also cause signifi cant damage to crops and trees. They become pest only when their natural habitat is altered in some way by humans. Subterranean termite Coptotermes spp has been known as the most economically important structural pest in Indonesia. Due tomorphological ambiguity, traditional identifi cation of Coptotermes spp. has always been diffi cult and unreliable. In economic point of view, economic loss due to termite attack always increases every year, and in the year 2000 it is estimated to reach 373 million US$. Moreover, the social as well as ecological impact caused by termite attack should also be considered. In the capital city of Jakarta, the subterranean termite attack on home buildings reaches around 55%; while in Surabaya (East Java) 36%; and in Semarang (Central Java) 41%. Meanwhile, in some other cities, the subterranean termite attack on home buildings reaches on the average of 20%. The presence of termites in a region can depend on various factors, such as soil and vegetation type. Climatic features andwater avaibility play an important part in termite survival. Daily and seasonal changes in these factors also affect termite distribution.Keywords: characteristics, climatic, Coptotermes spp, attack impact.
Sebaran Ruang Terbuka Hijau dan Peluang Perbaikan Iklim Mikro di Semarang Barat Setyowati, Dewi Liesnoor; Rahayu Sedyawati, Sri Mantini
Biosaintifika: Journal of Biology & Biology Education Vol 2, No 2 (2010): September 2010
Publisher : Department of Biology, Faculty of Mathematics and Sciences, Semarang State University . Ro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/biosaintifika.v2i2.1152

Abstract

The purpose of the research was detecting green open space (GOS) spread and micro climate  condition  at Semarang Barat,   with  vegetation  spread  and  street  lane  area as  the  object  of  the  research. Population  characteristic  consisted  of  vegetation  area spread, mainly on the shaded  trees composition and micro climate condition by using  purposive sampling technique. The research used descriptive ecologycal approach. The result described that Semarang Barat vegetation spread is included as sparse vegetation, predominantly  by  squat  vegetation  composition with  infrequent  tree  density. Micro climate conditon is categorized as contented climate, but on edge at the daylight.  The condition  is  infl uenced  by  least  along  the  street;  consequently  the micro  climate  of temperature is high with low humidity.  Semarang Barat GOS is 17,1%, so the spacious should be 10,0% enhanced to gain 27,1% GOS to create a better climate. It is suggested to increase squat vegetation composition and quantity along Semarang Barat streets, so vegetation diversity will recovered.Keywords: green open space, micro climate, Semarang Barat
Pertumbuhan dan Produksi Kubis Bunga (Brassica oleracea var botrytis) dengan Sistem Pertanian Organik di Dataran Rendah Widiatningrum, Talitha; Pukan, Krispinus Kedati
Biosaintifika: Journal of Biology & Biology Education Vol 2, No 2 (2010): September 2010
Publisher : Department of Biology, Faculty of Mathematics and Sciences, Semarang State University . Ro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/biosaintifika.v2i2.1159

Abstract

The research aimed to compare caulifl ower growth and production planted at lowland and highland by using organic farming system. The research was single treatment experimentally, which was land height, consisted of highland (Kopeng) and lowland (Ambarawa). The variables were vegetative growth (leaves amount and plant weight) and generative development (fl ower initiation and fl ower weight). The data were analyzed by t-test. The result confi rmed that organic farming will make better lowland caulifl ower vegetative growth but least generative development compare to the highland one. It can be concluded that caulifl ower have the potency of being growth at lowland, even though with least yield.Keywords: lowland, highland, caulifl ower, organic
Inventarisasi Jenis-Jenis Tumbuhan Berkhasiat Obat di Hutan Hujan Dataran Rendah Desa Nyamplung Pulau Karimunjawa Abdullah, Muhammad; Mustikaningtyas, Dewi; Widiatningrum, Talitha
Biosaintifika: Journal of Biology & Biology Education Vol 2, No 2 (2010): September 2010
Publisher : Department of Biology, Faculty of Mathematics and Sciences, Semarang State University . Ro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/biosaintifika.v2i2.1153

Abstract

The research aims to obtain information about the various of medicinal plantsspecies. from 17 species of wild plants were found, approximately 76.5% (13)has been known to have the potential to be used as a medicine, namely jambumete, kecapi, gondang putih, laban, petai cina, jati, gerok ayam, lampeni, jemang,mangga, beruas, karet manis, and kopi anjing.Keywords: medicinal plant, lowland rain forest, Karimunjawa
Keanekaragaman Burung di Desa Karangasem Kecamatan Wirosari Kabupaten Grobogan Jawa Tengah Rahayuningsih, Margareta; Purnomo, Fajar Adi; Priyono, Bambang
Biosaintifika: Journal of Biology & Biology Education Vol 2, No 2 (2010): September 2010
Publisher : Department of Biology, Faculty of Mathematics and Sciences, Semarang State University . Ro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/biosaintifika.v2i2.1156

Abstract

The aim of this study was to measure the bird’s diversity at Karangasem Village, Wirosari District, Grobogan Regency mainly at the forest habitat, farm land and it settlements. The study was conducted on September until November 2008 used point count method. The data of birds species and its number analyzed by Shanon-Wiener species diversity index (H’), evenness index (E), dominance index (Di) and similarity index of Jaccardto describe the similar species of birds inter-habitat at Karangasem. The result indicated that there are 43 birds species of 22 families recorded at the location. About eight species among them are protected by the government, two among them included into CITES appendix II and one of them included into Vulnerable category of IUCN Red List. The birds diversity index and evenness index in the village of Karangasem ranges from 1.9 to 2.7 and 0.68 to 0.8. The highest and most dominant species are Collocalia linchi, Pycnonotus aurigaster, Lonchura leucogastroides and Lonchura punctulata. The analysis of Jaccard’s similarity index showed that the forests had more similarity to settlements than rice farming, which means there are high differences between habitats. There are differences in composition, structure, and featured bird species of the habitat, whichcaused low similarity index between the habitat ranges from 19.23% to 25.71%. Keywords: Birds diversity, point count, Karangasem
Analisis Keanekaragaman Genetik dan Diferensiasi Jati Jawa dan Madura berdasarkan Marka Mikrosatelit untuk Mendukung Fingerprinting Jati Millah, Munisyatul; Habibah, Noor Aini; Suwarni, Endah
Biosaintifika: Journal of Biology & Biology Education Vol 2, No 2 (2010): September 2010
Publisher : Department of Biology, Faculty of Mathematics and Sciences, Semarang State University . Ro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/biosaintifika.v2i2.1157

Abstract

Analysis fingerprinting teak is supported by information about teak’s character molecularly. The information is gotten by analyzing 3 primary microsatellite in 46 teak samples that produce total 18 kinds of alel averagely 6 alel per locus. Genetics variety level is shown by Observed Heterozigosity (Ho), Expected Heterozygosity (He), Polimorfi sm Information Content (PIC) and Genetics Differentiation Coeffi cient successively 0.5122; 0.6221; 0.5818; and 0.0629. Kinship connection through dendogram analysis produces coeffi cient resemblance 0.3-1.00 that form 2 groups. However it has not shown inclination of forming group based on origin grows yet. Genetics differentiation analysis indicates different genetics in a population is higher then it is between populations. Analysis result has not found specifi c alel yet but has found 12 specifi c genotipe that is potential for analyzing fi ngerprinting if it relates to important useful genes. Keywords: microsatellite teak, DNA fi ngerprinting
Keanekaragaman Burung di Desa Karangasem Kecamatan Wirosari Kabupaten Grobogan Jawa Tengah Margareta Rahayuningsih; Fajar Adi Purnomo; Bambang Priyono
Biosaintifika: Journal of Biology & Biology Education Vol 2, No 2 (2010): September 2010
Publisher : Department of Biology, Faculty of Mathematics and Sciences, Semarang State University . Ro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/biosaintifika.v2i2.1156

Abstract

The aim of this study was to measure the bird’s diversity at Karangasem Village, Wirosari District, Grobogan Regency mainly at the forest habitat, farm land and it settlements. The study was conducted on September until November 2008 used point count method. The data of birds species and its number analyzed by Shanon-Wiener species diversity index (H’), evenness index (E), dominance index (Di) and similarity index of Jaccardto describe the similar species of birds inter-habitat at Karangasem. The result indicated that there are 43 birds species of 22 families recorded at the location. About eight species among them are protected by the government, two among them included into CITES appendix II and one of them included into Vulnerable category of IUCN Red List. The birds diversity index and evenness index in the village of Karangasem ranges from 1.9 to 2.7 and 0.68 to 0.8. The highest and most dominant species are Collocalia linchi, Pycnonotus aurigaster, Lonchura leucogastroides and Lonchura punctulata. The analysis of Jaccard’s similarity index showed that the forests had more similarity to settlements than rice farming, which means there are high differences between habitats. There are differences in composition, structure, and featured bird species of the habitat, whichcaused low similarity index between the habitat ranges from 19.23% to 25.71%. Keywords: Birds diversity, point count, Karangasem
Analisis Keanekaragaman Genetik dan Diferensiasi Jati Jawa dan Madura berdasarkan Marka Mikrosatelit untuk Mendukung Fingerprinting Jati Munisyatul Millah; Noor Aini Habibah; Endah Suwarni
Biosaintifika: Journal of Biology & Biology Education Vol 2, No 2 (2010): September 2010
Publisher : Department of Biology, Faculty of Mathematics and Sciences, Semarang State University . Ro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/biosaintifika.v2i2.1157

Abstract

Analysis fingerprinting teak is supported by information about teak’s character molecularly. The information is gotten by analyzing 3 primary microsatellite in 46 teak samples that produce total 18 kinds of alel averagely 6 alel per locus. Genetics variety level is shown by Observed Heterozigosity (Ho), Expected Heterozygosity (He), Polimorfi sm Information Content (PIC) and Genetics Differentiation Coeffi cient successively 0.5122; 0.6221; 0.5818; and 0.0629. Kinship connection through dendogram analysis produces coeffi cient resemblance 0.3-1.00 that form 2 groups. However it has not shown inclination of forming group based on origin grows yet. Genetics differentiation analysis indicates different genetics in a population is higher then it is between populations. Analysis result has not found specifi c alel yet but has found 12 specifi c genotipe that is potential for analyzing fi ngerprinting if it relates to important useful genes. Keywords: microsatellite teak, DNA fi ngerprinting
Karakteristik Populasi Rayap Tanah Coptotermes spp (Blattodea: Rhinotermitidae) dan Dampak Serangannya Niken Subekti
Biosaintifika: Journal of Biology & Biology Education Vol 2, No 2 (2010): September 2010
Publisher : Department of Biology, Faculty of Mathematics and Sciences, Semarang State University . Ro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/biosaintifika.v2i2.1158

Abstract

Termite are known to infest building in the tropics, but in their quest for cellulose they may also cause signifi cant damage to crops and trees. They become pest only when their natural habitat is altered in some way by humans. Subterranean termite Coptotermes spp has been known as the most economically important structural pest in Indonesia. Due tomorphological ambiguity, traditional identifi cation of Coptotermes spp. has always been diffi cult and unreliable. In economic point of view, economic loss due to termite attack always increases every year, and in the year 2000 it is estimated to reach 373 million US$. Moreover, the social as well as ecological impact caused by termite attack should also be considered. In the capital city of Jakarta, the subterranean termite attack on home buildings reaches around 55%; while in Surabaya (East Java) 36%; and in Semarang (Central Java) 41%. Meanwhile, in some other cities, the subterranean termite attack on home buildings reaches on the average of 20%. The presence of termites in a region can depend on various factors, such as soil and vegetation type. Climatic features andwater avaibility play an important part in termite survival. Daily and seasonal changes in these factors also affect termite distribution.Keywords: characteristics, climatic, Coptotermes spp, attack impact.
Sebaran Ruang Terbuka Hijau dan Peluang Perbaikan Iklim Mikro di Semarang Barat Dewi Liesnoor Setyowati; Sri Mantini Rahayu Sedyawati
Biosaintifika: Journal of Biology & Biology Education Vol 2, No 2 (2010): September 2010
Publisher : Department of Biology, Faculty of Mathematics and Sciences, Semarang State University . Ro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/biosaintifika.v2i2.1152

Abstract

The purpose of the research was detecting green open space (GOS) spread and micro climate  condition  at Semarang Barat,   with  vegetation  spread  and  street  lane  area as  the  object  of  the  research. Population  characteristic  consisted  of  vegetation  area spread, mainly on the shaded  trees composition and micro climate condition by using  purposive sampling technique. The research used descriptive ecologycal approach. The result described that Semarang Barat vegetation spread is included as sparse vegetation, predominantly  by  squat  vegetation  composition with  infrequent  tree  density. Micro climate conditon is categorized as contented climate, but on edge at the daylight.  The condition  is  infl uenced  by  least  along  the  street;  consequently  the micro  climate  of temperature is high with low humidity.  Semarang Barat GOS is 17,1%, so the spacious should be 10,0% enhanced to gain 27,1% GOS to create a better climate. It is suggested to increase squat vegetation composition and quantity along Semarang Barat streets, so vegetation diversity will recovered.Keywords: green open space, micro climate, Semarang Barat

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