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All Journal HAYATI Journal of Biosciences MANAJEMEN HUTAN TROPIKA Journal of Tropical Forest Management International Journal of Biosciences and Biotechnology ILMU KELAUTAN: Indonesian Journal of Marine Sciences Proceedings of Annual International Conference Syiah Kuala University - Life Sciences & Engineering Chapter Peronema Forestry Science Journal Aquacoastmarine FORESTA Science and Technology Indonesia Caraka Tani: Journal of Sustainable Agriculture Indonesian Journal of Chemistry SELAPARANG: Jurnal Pengabdian Masyarakat Berkemajuan Indonesian Journal of Agricultural Research Journal of Tropical Crop Science JURNAL PENDIDIKAN TAMBUSAI Seminar Nasional Lahan Suboptimal Jurnal Kajian Peradaban Islam Sarwahita : Jurnal Pengabdian Kepada Masyarakat Journal of Sylva Indonesiana Jurnal Aplikasi dan Inovasi Iptek (JASINTEK) ABDI MOESTOPO: Jurnal Pengabdian pada Masyarakat Jurnal Kajian Peradaban Islam Prosiding Konferensi Nasional PKM-CSR Makara Journal of Science CONSEN: Indonesian Journal of Community Services and Engagement Jurnal Natural Journal of Community Services: Sustainability and Empowerment Journal of Fisheries & Marine Jurnal Penelitian Hasil Hutan
Mohammad Basyuni
Department Of Forestry, Faculty Of Agriculture, University Of Sumatera Utara, Medan 20155, Indonesia
Religion Agriculture, Biological Sciences & Forestry Humanities Astronomy Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Energy Engineering Environmental Science Health Professions Immunology & microbiology Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Medicine & Pharmacology Neuroscience Nursing Physics Public Health Social Sciences Veterinary Other

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Journal : FORESTA

 1 
Preliminary Study on Genetic Variation in Vulnerable Species of Johannesteijsmannia altifrons in Sikundur Forest, North Sumatra Mohammad Basyuni; Suci Rahayu Rahayu; Jayusman Jayusman
FORESTA Vol 1, No 1 (2012): MARET
Publisher : FORESTA

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Abstract

Johannesteijmannia altifrons is vulnerable species according to Red Data Book from IUCN. This species may have two sub populations namely sang minyak and sang gajah. For conservation strategy, study on the genetic variation of this species was needed. The study aimed to examine the genetic variation of J. altifrons in Sikundur Forest, Gunung Leuser National Park, North Sumatera, using Isozymes marker. From three enzyme systems used (ACP, MDH, and PGD), two polymorphic loci were detected. Highest estimate of genetic variation parameters i.e. observed and expected heterozygosity were found in sang gajah, whereas sang minyak showed lower genetic diversity. This preliminary result suggested that this species had low average of polymorphic (40 %). Based on polymorphic level and expected heterozygosity, both sub populations genetically closed to each other. The differences of both sub populations lay on the wide leaf. Understanding of genetic variation suggested the importance of conservation effort of this species to increase number of populations.Key words: vulnerable species, genetic variation, Johannesteijsmannia altifrons., preliminary results
Pengaruh Aktivitas Antropogenik terhadap Keragaman Genetik Rhizophora mucronata Lamk. di Hutan Mangrove Secanggang, Sumatera Utara (Effect of Anthropogenic Activities on Genetic Variation of Rhizophora mucronata Lamk. in Secanggang Mangrove Forest, North Mohammad Basyuni; Hamzah Hamzah; Suci Rahayu; Ulfah J. Siregar
FORESTA Vol 1, No 2 (2012): Indonesian Journal Of Forestry Volume 1 No. 2 (Juli 2012)
Publisher : FORESTA

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Deforestation and fragmentation of mangrove forests in Indonesia are widespread that resulted in losing biodiversity including genetic variation. Rhizophora mucronata Lamk. is a common mangrove species in Secanggang, Langkat, North Sumatra and have been degrading due to anthropogenic disturbance. The aim of this study is to determine the genetic variation in natural population of R. mucronata in Secanggang, North Sumatra using isozyme markers. From five enzymes systems used namely aspartate aminotransferase (AAT), alcohol dehydrogenase (ADH), esterase (EST), malate dehydrogenase (MDH), and peroksidase (PER); eleven loci was found and five polymorphic loci were detected.The estimate value of genetic variation parameters i.e. observed and expected heterozygosity, average alel per loci, and average polymorphic (95% criteria) were 0.1386, 0.1724, 1.5455, and 45.45 % respectively.The low genetic variation of R. mucronata found in this study suggested that genetic variation may be influenced by anthropogenic activities such as illegal logging, conversion into shrimp pond and agricultural farm.Keywords: Anthropogenic, genetic variation, isozyme, mangrove, Rhizophora mucronata
Potensi Tegakan Pada Hutan Lindung Bekas Pertambangan Tradisional Kabupaten Mandailing Natal (The Potential of Stands in the Former Traditional Mining Preserve Forest Mandailing Natal) Budi Utomo; Mohammad Basyuni; Mukti Batubara
FORESTA Vol 1, No 2 (2012): Indonesian Journal Of Forestry Volume 1 No. 2 (Juli 2012)
Publisher : FORESTA

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The effects of the damage of preserve forest will cause flooding in the rainy season, droughts during the dry season and disturbing watersheds within and outside the forest area. The purpose of this study was to evaluate the diversity of tree species, regeneration of stands and calculate the potential of forest stands in traditional mining, and preserve areas without mining. The method in this research is line, plot with 100 m length and a width of 20 m. Data analyzed by the Shannon-Winner’s diversity index. The results showed that we obtained 18 plant species of traditional mining and had middle tree diversity. In contrest, preserve forest with out mining, we found 29 plant species with high tree diversity ((H '=3.02). The potential stands of the tree level in the former traditional mining preserve forest was 76.28 m3/ha, and in the preserve forest without mining was 925.53 m3/ha. Traditional mining in the preserve forest significantly influenced the density of vegetation according to the result of the Wilcoxon rank test.Key Words: the potential of stands, traditional mining, protected forests, analysis vegetation, Mandailing Natal Regency.
Co-Authors . Delvian . Rosmayati Abdi Wira Septama Abu Hayullah Ade Khana Saputri Adil Junaidi Ahmad Muhtadi Aisar Novita Al Mustaniroh, Shofiyah Sabilah Alfredyanto Sianturi Ameilia Zuliyanti Siregar Amir, Ahmad Aldrie Andi Hermawan Anggita Amelati Harahap Ani Suryanti Apri Heri Iswanto Apriliyani Apriliyani Arida Susilowati Iswanto Arif Nuryawan Arif NURYAWAN Arrasyid, Nurfida Khairina Aznawi, Andi Aznan Bejo Slamet Bejo Slamet Berliana Nainggolan Bora Jeong BUDI UTOMO Cemda, Abdul Rahman Delvian Delvian Deni Arifiyanto Deni Elfiati Deni Elfiati Desrita Desrita Desrita Desrita Desya Alvionita Keliat Diana Sofia Hanafiah DWI SURYANTO Edison Purba Eko Budiyulianto Elfiati, Deni Elfiati Epifani Natalia Gultom Erman Munir Erni Jumilawaty etti sartina siregar Evan Kharogi Sinulingga Fadhilah, Amanatul Hamsyah Rianda Harahap Hamzah, Hamzah Hardiansyah Tambunan Harisyah Manurung Hasanuddin, Aam Hasbi Nurainun Hasbi Nurainun Nurainun Hatika Hairani Heru Prayogi Hiroshi Sagami Hiroshi Sagami Hirosuke Oku Hirosuke Oku Hirosuke Oku Hirosuke Oku Indra Lesmana Indra Syahputra Ipanna Enggar Susetya Ipanna Enggar Susetya Iwan RISNASARI Iwan Risnasari Jayusman Jayusman Jeprianto Manurung Joshi, Ravindra C. Julayha . Julayha Julayha Julia Syahriani Hsb Jumilawaty, Erni Jumilawaty Kiking Ritarwan Koko Tampubolon Latifa Sari Dalimunthe Latifah Nur Siregar Leopardas, Venus Lollie A.P. Putri Lollie A.P. Putri Lollie Agustina Lollie Agustina Pancawaraswati Putri Lollie Agustina Pancawaraswati Putri Lollie Agustina Pancawaraswati Putri Lollie AP Putri Lollie AP. Putri M. Luthfi Dharmawan Mariah Ulfa Mariany Siagian Marnida Uli Lubis Masfria Masfria Melinda Sari Lubis Merlyn Mariana Meutia Nauly Monalia Hutauruk Muammar Bakar Murni Mubaraq, Alfian Mubaraq, Alfian Mubaraq Muhammad Rakezza Rifzy Rifzy Mukti Batubara Mulyar Hamka Muttia Chandraputri Rizkiany Nasution, Melvi Wahyu Angraini Nauly, Meutia Nauly Nini Rahmawati Nofrizal Amri Nofrizal Amri Nur Indah Lestari Nurfalah Siregar Oding Affandi Prayunita Prayunita Prita Yulianti Anasta br G Purwoko, Agus Putri Ester Sihaloho Putri Permata Sari Sirait Putri, Lollie Lollie Rachel Nababan Rahmawaty Rahmawaty Rangkuti, Ahmad Baiquni Ridha Wati Ridwanti Batubara Risnasari, Iwan Risnasari Ritonga, Lia Anggraini Rizka Amelia Rizka Amelia Rizka Amelia Rusdi Leidonald Ruth Melisa Ryzki Pebriansyah San France Shigeyuki Baba Silvia Nora, Silvia Sim, Yenti Siregar, Lutfhi Aziz Mahmud Sivaipram, Itchika Sivaipram, Itchika Sivaipram Slamet, Bejo Slamet Suci Rahayu Suci Rahayu Rahayu Sulistyono, Nurdin Sumardi Sumardi Susilowati, Arida Susilowati Tadashi Kajita Tadashi Kajita Try Miharza Ulfah Juniarti Siregar Utomo, Budi WINDRA PRIAWANDIPUTRA, WINDRA Yunasfi yunasfi yunasfi Yunasfi Yunasfi Yuntha Bimantara Yuntha Bimantara Yuntha Bimantara Yuntha Bimantara Zulham Apandy