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All Journal Jurnal Sain Veteriner Jurnal Agrista BIOTIK: Jurnal Ilmiah Biologi Teknologi dan Kependidikan Journal of Aceh Physics Society Aceh International Journal of Science and Technology Jurnal Ilmiah Mahasiswa Pertanian Depik Jurnal Ilmu-Ilmu Perairan, Pesisir dan Perikanan Rona Teknik Pertanian Depik Jurnal Ilmu-Ilmu Perairan, Pesisir, dan Perikanan Jurnal Agripet

Muhammad Rusdi

Universitas Syiah Kuala

Author-ID : 2631962

Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Education Engineering Physics Veterinary

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Space Adequacy Analysis Based on Population Pressure National park Area (Case Study : Putri Betung Sub District, Gayo Lues, Aceh) Munar Muhardian; Muhammad Rusdi; Abubakar Karim
Aceh International Journal of Science and Technology Vol 10, No 2 (2021): August 2021
Publisher : Graduate Program of Syiah Kuala University

The land requirement for Putri Betung Sub District in Gunung Leuser National Park (GLNP) area kept increasing along with the population growth. The population density in the Putri Betung Sub-district was driven by the need for cultivation and residential area along the GLNP conservation boundary. This study aims to analyze the space adequacy for Putri Betung Sub-District in the GLNP area based on the population pressure prediction for 20 years. The research method was conducted by field survey using remote sensing, interviewed the residents, and analyzed the population pressure index using the Soemarwoto formula. The Population Pressure Index (PPI) for the cultivation area was determined from 13 villages in Putri Betung Subdistrict and shows that 12 villages had a PPI 1 value (population pressure was over the land carrying capacity limits). Only one village had PPI 1 (population pressure less than the land carrying capacity. Based on data surveys obtained, the cultivation area set in the Putri Betung area was no longer sufficient for population, resulting from the expansion in the GLNP area of 4,776.97 ha. Meanwhile, predictive analysis on space adequacy for people living decently in Putri Betung Sub District for 20 upcoming years is 6117.15 ha. In conclusion, 12 out of 13 villages in the Putri Betung SubDistrict have PPI 1 value, which is inversely proportional to the land carrying capacity. The PPI values could result in other pressures on the ecology and biodiversity conservation in National Park. It is suggested that the government need to surpass the pressure by making new policy on people’s resettlement, expanding the cultivation area, or shifting people's livelihoods

Physical Characteristics Of The Krueng Seunagan Watershed And River Storage Capacity Against Peak Discharge Afriadi Ihsan; Muhammad Rusdi; Hairul Basri
Aceh International Journal of Science and Technology Vol 10, No 3 (2021): December 2021
Publisher : Graduate Program of Syiah Kuala University

Peak discharge information is indispensable for flood control planning by taking into account the physiographic factors of the watershed. Flood occurs because the capacity of the watershed and river channels is smaller than the flood discharge. One of the causes of rivers' reduced flood flow capacity is vegetation cover and land use that cannot store rainfall. Thus, this paper aims to determine the peak discharge from the watershed's physical characteristics and land-use changes by comparing the river storage capacity in the Krueng Seunagan watershed. The rational method is used to calculate the peak discharge. Some of the data used in this study are the shapefile map provided by Geospatial Information Agency, land use, rainfall, soil types, and Landsat 8 OLI/TIRS digital imagery. Analysis of the physical characteristics of the watershed consists of morphology and morphometry. Land use in the area of the Krueng Seunagan watershed increased the peak discharge during the observation year (2003-2017). Besides the land-use factor, discharge is also influenced by high rainfall intensity and runoff coefficient obtained from land use analysis. In the Krueng Seunagan watershed area, the C value obtained was 0.0505 – 0.0720, indicating that the Krueng Seunagan watershed area was classified as good or harmless. The river flow density of 0.53 belongs to the medium category. The river flow increases and decreases in the flood water level, which is neither too fast nor too slow. The roundness index of the Seunagan watershed of 1.0004 indicates that the basins are widened or circular and, consequently, the rate and volume of surface runoff are fast. Krueng Seunagan watershed runoff coefficient increased by 42.51% and rainfall intensity by 37.05%, while discharge increased by 95.31%. The discharge capacity that the Krueng Seunagan River Basin can accommodate from the measurement results in the downstream watershed is 158.47 m3/sec. While the peak discharge using the rational method gets a value that varies in each year of observation from (2003-2017). The peak discharge value in 2003 amounted to 183.52 m3/sec, and the highest in 2017 amounted to 358.44 m3/sec. This shows that the river holding capacity in the Krueng Seunagan watershed will not accept the amount of peak discharge, and consequently, the flood will always occur.

Land Arrangement for Citronella (Cymbopogon Nardus) and Arabica Coffee in the Cultivation Area in Gayo Lues District, Aceh Province Indonesia: A Land Suitability Approach Abubakar Karim; Sugianto Sugianto; Yulia Dewi Fazlina; Muhammad Rusdi; Manfarizah Manfarizah; Hifnalisa Hifnalisa
Aceh International Journal of Science and Technology Vol 9, No 3 (2020): December 2020
Publisher : Graduate Program of Syiah Kuala University

Gayo Lues District is known as Citronella and Arabica coffee producer in Aceh province, Indonesia. This paper aims to manage Citronella and Arabica coffee's land arrangement in the Gayo Lues District's cultivated area. This implementation is aimed at maintaining the peculiarities of citronella products and Arabica coffee. Thus, the two commodities must be separated in terms of allocated sites. The altitude for the area is 200-2,000 meters above sea level, consisting of ten classes, and the type of soils are Entisols, Oxisols, Inceptisols, and Ultisols. The area's slope between 0- to 40% (4 classes) was used to delineate the land units. There are 49 land units observed within the cultivated area of 160,017.17 ha. The guidelines for land suitability classification by the Ministry of Agriculture for Citronella and Center for Coffee and Cocoa Research, Jember for Arabica coffee were utilized. The results showed that 58,275.5 hectares of land were suitable for citronella, and 13,765.75 ha has been planted. The actual land suitability of citronella inside the area of 58,275.5 ha is suitable (S2 class) and marginally suitable (S3-class) and not suitable (N-class) with limiting factors are temperature, water availability, erosion hazard, and nutrient retention. This land suitability can be improved by providing inputs to increase the level of suitability with temperature, water availability, and erosion hazard (slope) limiting factors. Also, 48,765.3 hectares can be developed for Arabica coffee, and 4,653.5 ha has been planted. The actual land suitability for Arabica coffee is Suitable, Marginal Suitable, and Not Suitable, limiting the soil's physical properties (adequate soil depth), slope, and chemical properties of the soil. Once repaired, the land's suitability becomes Suitable (S1-class) (without limiting factor), Suitable, and marginal suitable with the slope as a limiting factor. There is an area of 44,509.75 hectares of land at 200-1,400 m above sea level within the cultivation area developed with a Citronella. There is an area of 44,111.8 ha at the height of 800-2,000 m above sea level, potentially for Arabica coffee.

Co-Authors Abubakar Karim Abubakar Karim Abubakar Karim Abubakar Karim Abubakar Karim Abubakar Karim Afriadi Ihsan Arif Rahmadi As'adia Fitri Danil Fahreza Pohan Desra Sahputra Diki Rahmayadi Djufri - Eka Aulia Eliyani Eliyani Fachrizal Rama Fitra Fadhi Maireza Putra Faisal Abdullah Faisal, Faisal Farida Farida Finza Aulia Siregar Fredinan Yulianda Hairul Basri Hasanuddin Hasanuddin Haswandi Haswandi Helmi Helmi Herry Andrisa Hifnalisa Hifnalisa Ichsan Setiawan Indra Indra Indri Arizky Intan Ridha Putri Kamisnuddin Kamisnuddin Kesuma Anggraini Lubis KHAIRI SUHUD M. Ilyas Abubakar Makwiyah A. Chaliluddin Manfarizah Manfarizah Marlena Marlena Marlina Marlina Maulana Abdul Hakim Maulia Ermawati Mohd Sanusi S Ahamad Mohd Sanusi S. Ahamad Muhammad Husyaini Iqbal Muhammad Irham Muhammad Irham Muhammad Isa Munar Muhardian Mutiara Ramadhani Nadya Faizah Noer Fadhly Nurliana Nurliana Nurmala Ramadhani Lubis Nurul Husnah Nurul Oya Oktri Sri Wahyuni Puspa, Vivera Ruselli Rachmatul Rizki Rasyid Alkhoir Lubis Ridwan Saputra Rinidar Rinidar Riska Adinda Rizka Maula Ruhizal Roosli Ruhizal Roosli Samadi Samadi Saras Ayu Malda Sartika Musliani Septyan Arief Siti Rahmatika Subhan Subhan Sugianto Suji Hartini Syakur Syakur Tada Syalahuddin Taufiq Kurrahman Teuku Alvisyahrin Teuku Reza Ferasyi Uda Chandra Ulfayani Ulfayani yelfi agusria Yudi Haditiar Yulia Dewi Fazlina Yulia Syahputri Zuhdi Amelca Arief Zulia Chairani

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