Prof. Dr. Ir. Abubakar, M.S.

Tentang Saya (About Me)

Abubakar Karim, was Born in Rikit Gaib, Southeast Aceh on October 10, 1962.  He obtained Bachelor Degree from Department of Soil Science, Faculty of Agriculture, Syiah Kuala University (SKU) in 1987 majored in Soil Science.  In 1990 till 1999 pursued advanced degree at Bogor Agricultural University (IPB), Bogor and obtained master degree in 1993 and Doctoral 1999 in field of Land Evaluation, and Land Evaluation and Regional Development.  He has been appointed as a lecturer at the Faculty of Agriculture, Syiah Kuala University since 1988.  During his carrier in campus, he experienced in being as a lecturer in: (1) Department of Soil Science, Faculty of Agriculture, Syiah Kuala University (SKU), (2) Study Program of Land Natural Resources, Master Degree, (SKU), and (3) Doctoral Program of Agricultural Sciences, Faculty of Agriculture, Nort Sumatera University, in majored Land Suitability and Spasial Planning.  Courses covered are Land Resource Evaluation, Soil Surveys, Spatial Planning, Regional Development, Land Use Planning, Land Natural Resource, Soil Science and Cartography.  Interested researches focused are land evaluation, soil classification and genesis, regional development, spatial technology/Geografic Information System (GIS), and spasial planning.  During his carrier in off-campus, he experienced in being as a; (1)  head of Regional Planning and Development Board (BAPPEDA) of Gayo Lues District, in 2002 till 2007, (2) head of Planning, Reconstruction and Rehabilitation Board (BRR) NAD-Nias, 3rd Regional at Takengon, in 2007 till 2008, (3) Advisor of Aceh Cacao Development, Cooperation between Keumang Foundation and AA Australia, in 2010 till 2012, (4) head of Regional Planning and Development Board (BAPPEDA)of Aceh Province, in 2012 till 2015, and (5) head of Food Crop Agriculture Agency, ini 2015 till 2017.  Currently active as a member of professional organizations; (1) Indonesia Soil Science Association (HITI), (2) Indonesian Water and Soil Conservation Society (MKTI), (3) Indonesian Peatlands Association (HGI), and (4) Indonesian Remote Sensing Society (MAPIN).

email karim.abubakar@unsyiah.ac.id
www www.unsyiah.ac.id
idGaruda idThomson idScopus idGoogleScholar

Publikasi (Publications)

Jurnal (Journals)

Abdul Latif, Abubakar Karim, Sugianto Sugianto, Romano, Muhammad Rusdi, 2022, Evaluation of the Spatial Planning in Agropolitan area Development in Nagan Raya Regency, Indonesia, International Review for Spatial Planning and Sustainable Development (SPSD): Planning Assessment, 10(2), 2019-234, 2187-3666.

A.S.A. Siahaan, C. Hanum, A. Karim, H. Satriawan, 2022, Correlation of Elevation, Soil Chemical Properti es and Yield of Coffee Arabica Grown in Shaded and Unshaded Condition, PLANT S CIENCES: Scientia Agriculturae Bohemica, 53(1), 1-10, 12113174, 18059430.

Munar Muhardian, Abubakar Karim, and Muhammad Rusdi, 2021, Space adequacy analysis base on population pressure in National Park Area (Case Study: Putri Betung Sub District, Gayo Lues District, Aceh Province), Aceh International Journal of Science and Technology (sinta 2)., 10(2), 64-73, e-ISSN: 2503-239; p-ISSN: 2088-9860.

Aswin Nasution; Fajri; Abubakar Karim; Romano, 2021, A Study of Sustainable Palm Oil Model as Energy Source Considering the Economic, Social, Enviromental and Security Balance Variables, International Journal of Energy Economics and Policy, 11, 388-393, 2146-4553.

Abubakar Karim, Hifnalisa, Muhammad Rusdi, Yulia D. Fazlina, dan Raichan Izzati, 2021, Production variability and yield quality of four Arabica coffee genotypes in Gayo Lues District, Aceh Province, Indonesia, International Journal of Applied Science, 4(2), 1-13, e-ISSN: 2576-7259; p-ISSN: 2576-7240.

Mahyuddin, Abubakar Karim, Sugianto, Ashabul Anhar, 2021, Formulation for Development of Low-Cost Silviculture Model for Production Forest in Aceh Province, Indonesia, ACTA Universitatis Agriculturae et Silviculturae Mendelianae Brunensis, 69(4), 519 - 531, 1211-8516; e2464-8310.

Abubakar Karim, Hifnalisa, dan Manfarizah, 2021, Analysis of Arabica coffee Productivity due to shading, pruning, and coffee pulp-husk organic fertilizers treatments, Science Coffee (Q3), e16190, 00, e-ISSN: 1984-3909.

Fauzah Azis, Indra Zainun, dan Abubakar Karim, 2021, Analisis Skala Usaha dan Finansial Minyak Sere Wangi (Cymbopogon nardus Linn) di Kabupaten Gayo Lues, AGRICA (Sinta 3), 14(2), 162-170, e-ISSN: 2541-593X, p-ISSN: 1979-8164.

Aswin Nasution, Fajri, Abubakar Karim, Romano, 2020, The Effect of Sustainable Pillars (Economic, Social, Environmental) and Security Factors on Sustainable Palm Oil in Nagan Raya Distric - Aceh, Systematic Reviews in Pharmacy, 11, 441-450, 09758453.

Posma Marbun; Zulkifli Nasution; Hamidah Hanum; Abubakar Karim, 2020, The classification, characteristics, and assessment of soil profile fertility on Coffea arabica productivity in North Sumatra, Bulgarian Journal of Agricultural Science (Q3), 26, 622–632, .

Abubakar Karim; Sugianto; Muhammad Rusdi; Manfarizah; Yulia Dewi Fazlina; Hifnalisa, 2020, Land Arrangement for Citronella (Cymbopogon nardus) and Arabica Coffee in the Cultivation Area in Gayo Lues District, Aceh Province Indonesia: A Land Suitability Approach, Aceh International Journal of Science and Technology (sinta 2)., 9, 207-215, p-2088-9860; e-2503-2398.

Adriani S. A. Siahaan; Erwin Masrul Harahap; Chairani Hanum; Abubakar Karim, 2020, THE GROWTH AND YIELD OF COFFEE ARABICA IN SHADE CONDITIONS ON DIFFERENT TREATMENT OF PRUNING AND FERTILIZING, RJOAS, 3, 40-46, .

Posma Marbun , Zulkifli Nasution, Hamidah Hanum, Abubakar Karim, 2020, Classification, Physicochemical, Soil Fertility, and Relationship to Coffee Robusta Yield in Soil Map Unit Selected, Coffee Science (Q3), 15, -, e151818.

Raichan Izzati, Abubakar Karim, Teti Arabia, Hifnalisa, Manfarizah, Syakur, and Ibnu Hafid, 2019, ANALYSIS OF TASTE QUALITY OF COFFEA ARABICA L. IN SEVERAL ALTITUDES AT GAYO LUES DISTRICT., International Journal Advance Research (IJAR), 7(6), 461-468, 2320-5407.

Muhammad Akbar; Abubakar Karim; Sugianto, 2019, Investigation of Utilizing Coffee Commodities toward Land Suitability, Case Study: Mane Village, Aceh Province, International Journal of Multicultural and Multireligious Understanding, 6, 608-613, 2364-5369.

Arabia, Teti; Karim, Abubakar; Zainabun, Zainabun; Sari, Ira Purnama, 2017, Karakteristik Tanah Typic Hapludand di University Farm Unsyiah, Kabupaten Bener Meriah, Jurnal Penelitian Agrosamudra, 2, 91-100, 2356-0495.

Marbun, Posma; Nasution, Zulkifli; Hanum, Hamidah; Karim, Abubakar, 2016, Classification of Inceptisol Soil on Robusta Coffee Plantation in Silima Pungga Pungga District, International Journal of Sciences : Basic and Applied Research, 30, 20-27, .

Satriawan, Halus; Harahap, Erwin Masrul; Karim, Abubakar, 2015, Effectiveness Of Soil Conservation To Erosion Control On Several Land Use Types, Agriculture (Polnohospodárstvo), 61, 61-68, -.

Satriawan, Halus; Harahap, Erwin Masrul; Karim, Abubakar, 2015, Analysis of Soil Erosion in Agricultural Land Use in Krueng Sieumpo Watershed Aceh Province, Academic Research International, 6, 68, -.

Mulyanti Mulyanti, Abubakar Karim, Sugianto Sugianto, 2015, Penataan Kawasan Tanaman Pangan dan Perkebunan Berbasis Kesesuaian Lahan di Kecamatan Labuhanhaji Timur Kabupaten Aceh Selatan, Jurnal Manajemen Sumberdaya Lahan, 4/1, 520-526, 2301-6981.

Satriawan, Halus; Harahap, Erwin Masrul; Karim, Abubakar, 2014, Land Capability Evaluation for Agriculture in Krueng Sieumpo Watershed, Aceh, Academic Research International, 5, 55, -.

Halus Satriawan, Erwin Masrul Harahap, Rahmawaty, Abubakar Karim, 2014, Land Capability Evaluation for Agriculture in Krueng Sieumpo Watershed, Aceh, Academic Research International, 5(3), 55 - 63, ISSN: 2223-9944, eISSN: 2223-9553.

Rusdi; Alibasyah, M.R; Karim, Abubakar, 2013, Evaluasi Degradasi Lahan Diakibatkan Erosi Pada Areal Pertanian Di Kecamatan Lembah Seulawah Kabupaten Aceh Besar, Jurnal Manajemen Sumber Daya Lahan ISSN, 1, 24-39, 2302-013X.

Wahyuni, Eka; Karim, Abubakar; Anhar, Ashabul, 2013, Analisis Citarasa Kopi Arabika Organik pada Beberapa Ketinggian Tempat dan Cara Pengolahannya di Datararan Tinggi Gayo, Jurnal Manajemen Sumberdaya Lahan, 2, 261-269, 2301-6981.

T. Nofelman, Abubakar Karim, dan Ashabul Anhar, 2012, Analisis Keseuaian Lahan Kakao di Kabupaten Simeulue, Jurnal Majemen Sumberdaya Lahan, , 62-71, ISSN: 2303-6981.

Abubakar Karim, 2012, Pengembangan Ekonomi Lokal memalui Revitalisasi Kebun Kopi Rakyat di Dataran Tinggi Gayo, Jurnal Ekonomi dan Pembangunan, Volume, 1-14, ISSN: 0852-9124.

Liyanda, Mizar; Karim, Abubakar, 2012, Analisis kriteria kesesuaian lahan terhadap produksi kakao pada tiga klaster pengembangan di Kabupaten Pidie, Jurnal Agrista, 16, 62-79, 1410-3389.

Ellyanti, Abubakar Karim, dan Hairul Basri, 2012, Analisis Indikasi Geografis Kopi Arabika Ditinjau dari Rencana Tata Ruang Wilayah Kabupaten, Agrista, Volume, 46 - 61, 1410 - 3389.

Reza Salima, Abubakar Karim, dan Sugianto Sugianto, 2012, Evaluasi Kriteria Kesesuaian Lahan Kopi Arabika Gayo 2 di Dataran Tinggi Gayo, Manajemen Sumberdaya Lahan, Vomune, 194 - 206, 2301-6981.

Abubakar Karim, 2008, Evaluasi Kriteria Kesesuaian Lahan Kelapa Sawit di Kebun Baru, PT. Perkebunan Nusantara - I, Langsa, Jurnal Agrista, Volume, 239 - 248, 1410 - 3389.

Hifnalisa, 2008, Kajian Awal Varietas Kopi Arabika Berdasarkan Ketinggian Tempat di Dataran Tinggi Gayo, Jurnal Agrista, Edisi , Hal. 162 - 172, 1410 - 3389.

Abubakar Karim, Sugianto, dan Siti Hajar, 2008, Penilaian Karakteristik Lahan untuk Kedelai di Kabupaten Bireuen, Agrista, Edisi , 148 - 161, 1410 - 3389.

Munawar Khalil dan Abubakar Karim, 2003, Analisis Kualitas Hasil Kopi Arabika Organik Aceh Tengah, Agrista, Volume, 41 - 46, 1410 - 3389.

Abubakar Karim, Syakur, Indra Yuliar, 2003, Erosi pada Tanah Andisols Saree, Aceh Besar, Jurnal Agrista, Volume, 17 - 21, 1410 - 3389.

Halimursyadah dan Abubakar Karim, 2003, Karakteristik Pertumbuhan dan Hasil Kedelai Akibat Pemberian Beberapa Takaran dan Jenis Limbah Gulma, Jurnal Agrista, Volume, Hal. 47 - 53, ISSN: 1410 - 3389.

Zulfikar dan Abubakar Karim, 2003, Zona Agroekologi Komoditas Unggulan Aceh Singkil, 2. Tanaman Hortikultura, Agrista, 7(1), 1 - 10, 1410 - 3389.

Hasanuddin dan Abubakar Karim, 2002, Hasil Tanaman Kedelai pada Berbagai Genotipe, Populasi dan Pemupukan, Jurnal Agrista, Volume, 159 - 164, ISSN: 1410 - 3389.

Abubakar Karim dan Hifnalisa, 2002, Kajian Bentuk Fosfat Tanah Andisol Kebun Kopi Arabika Organik di Aceh Tengah, Jurnal Agrista, Volume, Hal. 135 - 139, ISSN: 1410 - 3389.

Sukanto dan Abubakar Karim, 2002, Kajian Pertumbuhan Pertumbuhan dan Kandungan Kafein Bibit Sambung Kopi Robusta dengan Batang Bawah Beberapa Jenis Kopi, Jurnal Agrista, Volume, Hal. 71 - 80, ISSN: 1410 - 3389.

Darusman, Abubakar Karim, dan Sufardiati, 2002, Reklamasi Gambut dengan Bahan Amelioran dan Pengaruhnya Terhadap Hasil Padi, Agrista, 6(3), 242-253, 1410 - 3389.

Zulfikar, Abubakar Karim, dan Darusman, 2002, Zona Agroekologi Komoditas Unggulan Aceh Singkil, 1. Tanaman Perkebunan, Agrista, 6(2), 112 - 122, 1410 - 3389.

Abubakar Karim dan Syamaun A. Ali, 2001, Aplikasi Pupuk Organik Basil Formulasi dari Baban Baku Sumber Lokal Terhadap Basil Kopi Arabika Organik di Aceb Tengah, Jurnal Tanah Tropika, Volume, 93 - 99, ISSN: 0852 - 257X; e-ISSN: 2086 - 6682.

Chairunnas, Tamrin, dan Abubakar Karim, 2000, Efesiensi Pupuk NPK dan Alternatif P dan K pada Padi Sawah di Aceh Barat, Jurnal Agrista, Volume, 265 - 271, 1410 - 3389.

Darusman, Abubakar Karim, dan Syakur, 2000, Monitoring Erosi dan Penambahan Amelioran Lokal di Perkebunan Kopi Organik Rakyat, Aceh Tengah, Jurnal Agrista, 4(2), 138 - 143, 1410 - 3389.

Firdaus, Yardha, Chairunas, dan Abubakar Karim, 2000, Optimalisasi Pemupukan NPK NPK dan Mulsa pada Nilam di Aceh Selatan, Agrista, 4(3), 272 - 277, 1410 - 3389.

Karim, Abubakar, 1999, Evaluasi kesesuaian kopi Arabika yang dikelola secara organik pada tanah Andisol di Aceh Tengah, Disertasi. Program Pascasarjana, Institut Pertanian Bogor, Bogor, , -, -.

Karim, A; Sudarsono; I Anas, 1999, Neraca Unsur Hara Kebun Kopi Arabika Organik di Aceh Tengah, Agrista, 3, 201-208, -.

Karim, A; U. S. Wiradisastra; Sudarsono, 1999, Evaluasi Kriteria Kesesuaian Lahan Kopi Arabika Organik pada Tanah Andisol di Aceh Tengah, Agrista, 3, 191-200, -.

Adli Yusuf, Yardha, Abubakar Karim, dan Darusman, 1999, Karakteristik Lahan Gambut teunom dan krueng Sabee Aceh Barat, Jurnal Agrista, Volume, Hal. 35 - 42, ISSN: 1410 - 3389.

Yardha, Adli Yusuf, dan Abubakar Karim, 1999, Perbaikan Paket Teknologi Kacang Tanah di Lahan Gambut Teunom, Aceh Barat, Agrista, 3(2), 133 - 137, 1410 - 3389.

Abubakar Karim, Yardha, dan Adli Yusuf, 1999, Perbaikan Paket Teknologi Padi Sawah di Lahan Gambut Teunom, Aceh Barat, Agrista, 3 (2), 126 - 132, 1410 - 3389.

Abubakar A. Karim, Sugianto, dan Sri Handayani, 1998, Karakterisasi dan Klasifikasi Tanah Andisol Aceh Tengah, Jurnal Agrista, Volume, Hal. 110 - 119, ISSN: 1410 - 3389.

Darusman dan Abubakar Karim, 1998, Keragaman Spasial Sifat-sifat Fisik Tanah Andisol sebagai Fungsi Lereng pada Tiga Tipe Penutup Lahan di Aceh Tengah, Jurnal Agrista, Volume, Hal. 100 - 109, ISSN: 1410 - 3389.

M. Jamil Ali dan Abubakar Karim, 1998, Penggunaan Metode Pelarut Selektif untuk Karakterisasi Fraksi Aluminium dan Besi Tanah Andisol Aceh Tengah, Agrista, 2(3), 199 - 206, 1410 - 3389.

Abubakar Karim, 1998, Sebaran Akar Kopi Arabika di Tanah Andisol Aceh Tengah, Agrista, 2(3), 207 - 213, 1410 - 3389.

Abubakar Karim, 1996, Evaluasi Karakteristik Lahan Kopi Arabika Catimor di Aceh Tengah, Jurnal Penelitian Pertanian, UISU, Volume, Hl. 19 - 26, ISSN: 0152 - 1197.

Abubakar Karim, U. S. Wiradisastra, Sudarsono, dan Sudirman Yahya, 1996, Evaluasi Kriteria Klasifikasi Kesesuaian Lahan Kopi Arabika Catimor di Aceh Tengah, Jurnal Tanah Tropika, Volume, Hal. 74 - 82, ISSN: 0852 - 257X; e-ISSN: 2086 - 6682.

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Abubakar Karim, , Evaluasi Keseuaian Lahan Kopi Arabika Borbor di Dataran Tinggi Gayo, Lentera Jurnal Ilmiah Sains dan Teknologi, Volume, 55-65, ISSN: 1829-9598.

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Prosiding (Proceedings)

Abubakar Karim, Hifnalisa, Yadi Jufri, Yulia D. Fazlina, dan Megawati, 2021, Distribution of Organic Carbon in Ultisol Soils with Citronella and Pine Vegetation at Gayo Haiglands, Aceh, Proc. of 3rd International Conf. on Agriculture and Bioindustry (ICAGRI 2021). IOP Conf. Series Eart and Environmental Sciences., 3rd International Conf. on Agriculture and Bioindustry (ICAGRI 2021), Banda Aceh, October 13-14, 2021, 00, IOP Conf. Series Eart and Environmental Sciences (Scopus Q4), 00, 951.

Mahyuddin, Abubakar Karim, Sugainto, and Ashabul Anhar, 2021, The Potential of Agro-Industry Development Based on Agroforestry in Peusangan Forest, Aceh, Indonesia, Proc. of The 3rd ICATES 2021. IOP Conf. Series Eart and Environmental Sciences., The 3rd ICATES 2021, Banda Aceh, September 9, 2021, Banda Aceh, IOP Conf. Series Eart and Environmental Sciences (Scopus Q4), 00, 922.

Aswin Nasution, Fajri, Abubakar Karim, and Romano, 2021, Sustainability Status and Index of Aceh Palm Oil in Central Production of West Region Nagan Raya District., Proc. 1st International Conf. pn Sustainable Utilization on Natural Reseources (ICSUNR) 2020. IOP Conf. Series Eart and Environmental Sciences., Proc. 1st International Conf. pn Sustainable Utilization on Natural Reseources (ICSUNR) 2020, Ambon, Indonesia, November 28, 2020, Ambon, IOP Conf. Series Eart and Environmental Sciences (Scopus Q4), 800, 00.

Hifnalisa, Abubakar Karim, Yulia D. Fazlina, Manfarizah, Yadi Jufri, and T. Sabrina, 2021, The Nutrient Content on N, P, K in Andisol and Arabica coffee leaves in Bener Meriah Regency, Indonesia, Proc. of 3rd International Conf. on Agriculture and Bioindustry (ICAGRI 2021). IOP Conf. Series Eart and Environmental Sciences., 3rd International Conf. on Agriculture and Bioindustry (ICAGRI 2021), Banda Aceh, October 13-14, 2021, 00, IOP Conf. Series Eart and Environmental Sciences (Scopus Q4), 00, 951.

Abubakar Karim, Yulia Dewi Fazlina, Syakur, Nur Fathanah, 2020, Evaluation of the critical level of mangrove ecosystems using Spatial Technology in East Aceh Coastal Areas, Sustainable Agriculture, Food and Biosystems Based on Local Commodities in Industrial Revolution 4.0, The 1st International Conference on Agriculture and Bioindustry (ICAGRI) 2019, Banda Aceh, 24-26 Oktober 2019, , IOP Science (Scopus Q4), 0, .

Hifnalisa, Abubakar Karim, Manfarizah, Syakur, Asmarlaili Sahar, T. Sabrina, 2020, P status of Andisol and Its correlation with P content of Arabica coffee leaves in Bener Meriah District, Sustainable Agriculture, Food and Biosystems Based on Local Commodities in Industrial Revolution 4.0, The 1st International Conference on Agriculture and Bioindustry (ICAGRI) 2019, Banda Aceh, 24-26 Oktober 2019, , IOP Science, 0, .

Abubakar Karim, Muhammad Rusdi, Hifnalisa, Manfarizah, Syakur, Yulia Dewi Fazlina, 2019, Kajian Potensi Pengembangan Sere Wangi di Provinsi Aceh, Membangun Kemitraan Dalam Meningkatkan Produktivitas, Nilai Tambah dan Daya Saing Produk Perkebunan Menyongsong Revolusi Industri 4.0, Seminar Nasional Pembangunan Perkebunan, Fakultas Pertanian Universitas Syiah Kuala, 9 Oktober 2019, Banda Aceh, Syiah Kuala University Press, 0, 978-623-264-036-8.

Hifnalisa, Abubakar Karim, Manfarizah, Asmarlaili Sahar, T. Sabrina, 2019, Kajian Sifat Biologi Tanah Andisol pada Kebun Kopi Arabika di Kabupaten Bener Meriah, Membangun Kemitraan Dalam Meningkatkan Produktivitas, Nilai Tambah dan Daya Saing Produk Perkebunan Menyongsong Revolusi Industri 4.0, Seminar Nasional Pembangunan Perkebunan, Fakultas Pertanian Universitas Syiah Kuala, 9 Oktober 2019, Banda Aceh, Syiah Kuala University Press, 0, 978-623-264-036-8.

Muhammad Rusdi, Sugianto Sugianto, Abubakar Karim, Yulia Dewi Fazlina, Rudi Fadhli, Irwansyah Putra, 2019, Aplikasi Teknologi Spasial untuk Memetakan Perkebunan Kopi Eksisting (Studi Kasus di Kabupaten Bener Meriah), Membangun Kemitraan Dalam Meningkatkan Produktivitas, Nilai Tambah dan Daya Saing Produk Perkebunan Menyongsong Revolusi Industri 4.0, Seminar Nasional Pembangunan Perkebunan, Fakultas Pertanian Universitas Syiah Kuala, 9 Oktober 2019, Banda Aceh, Syiah Kuala University Press, 0, 978-623-264-036-8.

Zainabun, Muhammad Aziz, Abubakar Karim, 2019, Penilaian Lahan dan Klasifikasi Tanah untuk Budidaya Tanaman Kurma (Phoenix dactylifera L.) di Lembah Barbatee Kabupaten Aceh Besar, Membangun Kemitraan Dalam Meningkatkan Produktivitas, Nilai Tambah dan Daya Saing Produk Perkebunan Menyongsong Revolusi Industri 4.0, Seminar Nasional Pembangunan Perkebunan, Fakultas Pertanian Universitas Syiah Kuala, 9 Oktober 2019, Banda Aceh, Syiah Kuala University Press, , 978-623-264-036-8.

Adriani S.A. Siahaan, Erwin M. Harahap, Chairani Hanum, and Abubakar Karim, 2019, The Growth and Production of Coffee in Different Shade, Pruning and Fertilizing Conditions, Proc. of The International Conf. on Natural Reseources and Technology (ICONART) 2019. Terindeks Scopus, IEEE Explore, SPIE, The International Conf. on Natural Reseources and Technology (ICONART) 2019, Medan, March 12-13, 2019, Medan, Sumatera Utara University, 00, ISBN: 978-989-758-404-6; ISSN: 2593-7642.

Sugianto Sugianto, Heriansyah, Darusaman, Muhammad Rusdi, Abubakar Karim, 2018, Shoreline change after 12 years of tsunami in Banda Aceh, Indonesia: a multi-resolution, multi-temporal satellite data and GIS approach, International Conference on Tropical Studies and Its Application (ICTROPS), , International Conference on Tropical Studies and Its Application (ICTROPS), Samarinda, 9 November 2017, Samarinda, IOP Conference, , .

Abubakar Karim, Darusman Darusman, Hifnalisa Hifnalisa, 2018, Fractionation of Fulvic And Humic Acid On Andisol Based On Altitude Under Organic Arabica Coffee At Bener Meriah District, Aceh Province, Proceeding of the First International Graduate Conference (IGC) On Innovation, Creativity, Digital, & Technopreneurship for Sustainable Development in Conjunction with The 6th Roundtable for Indonesian Entrepreneurship Educators 2018 Universitas Syiah Kuala , Proceeding of the First International Graduate Conference (IGC) On Innovation, Creativity, Digital, & Technopreneurship for Sustainable Development in Conjunction with The 6th Roundtable for Indonesian Entrepreneurship Educators 2018 Universitas Syiah Kua, Unsyiah, Banda Aceh, 3 - 5 October 2018, Banda Aceh, EAI – Research Meets Innovation, 0, 2593-7642.

Abubakar Karim, Muhammad Rusdi, Manfarizah, Darusman, and Hifnalisa, 2018, Spatial Analysis of Agricultural Cultivation Area Based on Space Allocation In Gayo Lues District Spatial Planning, the Year 2012 - 2032, Proceeding of the First International Graduate Conference (IGC) On Innovation, Creativity, Digital, & Technopreneurship for Sustainable Development in Conjunction with The 6th Roundtable for Indonesian Entrepreneurship Educators 2018, First International Graduate Conference (IGC) On Innovation, Creativity, Digital, & Technopreneurship for Sustainable Development in Conjunction with The 6th Roundtable for Indonesian Entrepreneurship Educators 2018 Universitas Syiah Kuala, Unsyiah, Banda Aceh, October, 3-5, 2018, Banda Aceh, EAI – Research Meets Innovation, 0, 2593-7642.

Posma Marbun, Zulkifki Nasution, Hamidah Hanum and Abubakar Karim, 2018, Classification of andisol soil on robusta coffee plantation in Silima Pungga - Pungga District, IOP Conf. Series: Earth and Environmental Science, International Conference on Agriculture, Environment, and Food Security, Medan, Indonesia, 7-8 November 2017, Roma, Italya, IOP Science (Scopus Q4), 0, doi :10.1088/1755-1315/122/1/012045.

Abubakar Karim dan Elliyanti, 2012, Keanekaragaman Hayati di dalam Rencana Tata Ruang Wilayah Provinsi, Peran Biologi dalam Mengantisipasi Dampak Pemanasan Global Melalui Pelestarian Keanekaragaman Hayati, Seminar Nasional XXI Perhimpunan Biologi Indonesia, Banda Aceh, 5 Maret 2012, Banda Aceh, Perhimpunan Biologi Indonesia Cabang Aceh, 0, ISBN 978-602-19435-0-2.

Abubakar Karim dan Hifnalisa, 2012, Pengaruh Sifat-Sifat Tanah Terhadap Cita Rasa Kopi Arabika Di Dataran Tinggi Gayo, Peningkatan Presisi Menuju Pertanian Berkelanjutan (sub tema : Peningkatan Ketahanan Pangan dan Energi Nasional melalui Peran IPTEK dan Metigasi Perubahan Iklim), Seminar Nasional dan Rapat Tahunan Bidang Ilmu-Ilmu Pertanian BKS-PTN Wilayah Barat Tahun 2012, Medan, 3-5 April 2012, Medan, USU Press, 0, ISBN 979-458-608-0.

Abubakar Karim, Hifnalisa, Elliyanti, 2011, Indikasi Geografis sebagi Model Pengembangan Kopi Gayo Berwawasan Lingkungan di Dataran Tinggi Gayo, Perlindungan dan Pengelolaan Lingkungan Hidup Untuk Pembangunan Berkelanjutan, Seminar Nasional dalam Rangka Menyambut Hari Lingkungan Hidup Sedunia Tahun 2011, Medan, 19-20 Mei 2011, Medan, USU Press, 0, ISBN 979 458 557 2.

Abubakar Karim dan Hifnalisa, 2011, Pelacakan Varietas Unggul Kopi Arabika yang Mempunyai Citarasa Terbaik dari Beberapa Ketinggian Tempat dan Cara Pengolahan di Dataran Tinggi Gayo, Tanah untuk Kehidupan yang Berkualitas, Seminar dan Kongres Nasional X Himpunan Ilmu Tanah Indonesia (HITI) 2011, Surakarta, 6-8 Desember, Surakarta, Jurusan Ilmu Tanah Fakultas Pertanian UNS Bekerjasama dengan Himpunan Ilmu Tanah Indonesia, 0, ISBN 978-602-99713-2-3.

Muhammad Rusdi, Muhammad Ardiansyah and Abubakar Karim, 2011, AND COVER/LAND USE MAPPING USING OBJECT ORIENTED CLASSIFICATION METHOD: A Case Study In Gayo Lues district, Aceh Province and HTI PT. Wirakarya Sakti, Jambi Province, Indonesia, IOC/WESTPAC 8th International Scientific SymposiumAt: Busan, Republic of Korea, Conference: IOC/WESTPAC 8th International Scientific SymposiumAt: Busan, Republic of Korea, Busan, Republic of Korea, -, Busan, Republic of Korea, IOC/WESTPAC 8th International Scientific Symposium, -, -.

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