2. Prosisiding Seminar Nasional Pelestarian Lingkungan 2018

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Aktivitas Abu Terbang Batubara Membunuh Wereng Batang Padi Coklat (Nilaparvata lugens)
(wahyu sari yeni, 2019-01-09) Fauzana, Hafiz; Wagiman, F.X; Martono, Edhi
Brown planthopper (BPH), Nilaparvata lugens (Hemiptera: Delphacidae), is the main pest of rice that threatened Indonesia food security. The coal fly ash contribute to control the BPH. The coal fly ash contribute to control the BPH. The coal fly ash activity needs to be studied under semi-field and field conditions. The purpose of the study was to assess activity of coal fly ash to BPH tested in laboratorium, semi-field and field conditions. The coal fly ash obtained from PT. PLN (Govermental Electricity Corporation Ltd.) Tanjung Jati B Power Station in Jepara District, Central Java. Pot experiments were using the difference doses of coal fly ash as a treatment that was 0, 20, 40, and 80 g / clump. The experiment was arranged based on complete randomized block design (RCBD) with five replications. Field experiments were testing the effect of coal fly ash on the population of BPH were done by comparing the treatment and control of coal fly ash. The coal fly ash activity in the semi-laboratory conditions of 32 g coal fly ash / largest bowl caused the nymph mortality and BPH imago.The semi field experiment showed an effective dose of 80 g/hill which was equal to 20 tons/ha. Field trial compared the effect of coal fly ash dosage of 20 tons/ha to control the brown planthopper population. The findings showed that the activity of coal fly ash significantly reduced the BPH population until day 7 (H +7).
Analisis Dampak Fenomena El Nino Terhadap Ketersediaan Air Tanah Di Bima, Ntb Pada Tahun 2015
(wahyu sari yeni, 2019-01-03) Simanjuntak, Juni Tika; Azka, Mukhamad Adib; Dzikiro, Tesla Kadar
Water is the most important thing in our life. Therefore, the lack of water (deficit) will be very harmful to all living creatures and it is almost certain that water deficit areas will experience drought. Water deficit can be caused by El Nino. In 2015, El Nino is listed at an intermediate level moving towards a strong level. Bima region, West Nusa Tenggara is one of the affected areas of El Nino. Therefore, it is interesting to study the availability of soil mosture in the area. The availability of soil mosture can be measured by a water balance analysis. The study was conducted using rainfall data and temperature from meteorology station Sultan Muhammad Salahuddin. Rainfall and temperature data are averaged over the El Nino period in 2015 to make land balance calculations yielding surplus and deficit data. The supporting data in atmospheric dynamics analysis using sea surface temperature data were processed using GRADS, wind data, and Southern Osilation Index data obtained from BOM (Bureau Of Meteorology, Australia). The method used is the method of calculating the water balance of Thorthwaite Mather , while the method of calculating the nature of rain using the method of classification of rain properties with normal criteria (85% - 115%), below normal (<85%) and above normal (> 115%) then presented in graphic. This condition shows that El Nino has a big influence on availability of soil mosture in Bima, West Nusa Tenggara. The most deficit of soil mosture occured in August.
Analisis Deforestasi Hutan Mangrove Di Kota Dumai, Riau
(wahyu sari yeni, 2019-01-03) Mulyadi, Aras; Efriyeldi, Efriyeldi; Ilahi, Ilham
The era of regional autonomy has triggered the development of Dumai City towards a better direction. As a coastal area in Riau Province, it is estimated that it will threaten one of the potential coastal ecosystems, Dumai City is a mangrove forest. This study aims to analyze deforestation of mangrove ecosystems in Dumai City, Riau. Analysis of deforestation using ArcGIS and NDVI clasic version 4.5 software for imagery in 2005, 2010 and 2015. The causes of deforestation were carried out through interviews with the community. In 2005 there was 649.64 ha of mangrove area, but 46.79% of deforestation had occurred in the Dumai City mangrove forest so that in 2010 the remaining area was 345.06 ha. The main factors driving the deforestation of mangrove forests in Dumai City stem from the conversion of land into industrial estates, the construction of ports, roads, plantations, agriculture, and settlements. In addition, it is also caused by the use of mangrove wood for household needs, charcoal wood and building materials. The utilization of mangrove wood can be proven from the magnitude of the percentage of logged-over stumps which is more dominant (amounting to 67.32%) compared to natural dead stumps
Analisis Kandungan Natrium Dan Kadmium Serta Tingkat Kematangan Tanah Gambut Bekas Terbakar Berulang
(wahyu sari yeni, 2019-01-09) Hanifah, T. Abu
The land fires caused changes in the structure and composition of the soil is like nutrient that effected growth of the plant around it. To know how far the effect of land fire with different frequency, the research about the content of macronutrients such as Sodium (Na), heavy metal cadmium (Cd) and maturity level of peat in area Pakning Asal, Bengkalis Regency needs to be done. The content of cadmium and sodium were determined by using Atomic Absorption Spectrophotometer and Flame Photometer, and analysis of maturity level of peat was determined by Sieve method. The results showed that the Na content was available and total in the unburnt and once burned soil increased and decreased on the soil several times burned from 26,716; 34,116; 25,162 mg/Kg for available and 49,384; 78,578; 29.763 mg/Kg for total. Cd content was available and total on unburnt and once burned soil decreases and increases in soil several times burns was 9,454; 8,666; 9,403 mg/Kg to be available and 9,625; 9,602; 9,962 mg/Kg for total. The maturity level of peat it has a fiber count of >75%.
Analisis Kawasan Rawan Banjir Sungai Rokan Dalam Kabupaten Rokan Hulu Dan Kabupaten Rokan Hilir
(wahyu sari yeni, 2019-01-03) Nurdin, Nurdin; Fakhri, Fakhri; Djuniati, Sri
Rokan Hulu and Rokan Hilir Regencies are included in the Rokan and Kubu Watersheds. In the Rokan Hulu district there are several rivers, two of which are fairly large rivers, the Rokan Kanan River and the Rokan Kiri River. Rokan Hilir Regency is also passed by the Rokan Kanan River, which is a place of union with the Rokan Kiri River. Next to these large rivers there are many tributaries that all flow into the big river. At the edge and along the river, including tributaries, is often a flood subscription during the rainy season. The purpose of this study was to identify floodprone areas, in Rokan Hulu and Rokan Hilir Regencies so as to produce maps of flood-prone areas in Rokan Hulu and Rokan Hilir Regencies. To map flood-prone areas in Rokan Hulu and Rokan Hilir Regencies, it can be done with the help of remote sensing data based on Geographic Information Systems (GIS). From the analysis based on overlay maps of soil types, slope classes, land cover and rainfall with the scores and weightings given for each parameter that influence each other to identify the level of flood vulnerability in the study area, in the safe category 14,709.48 ha or 0.9%, Non-hazardous category 921,554.03 ha or 56.33%, the dangerous category is 496,025.36 ha or 30.32% and the category is very vulnerable for flood disaster 203,790.36 ha or 12.46% respectively from the study area
Analisis Potensi Erosi Daerah Aliran Sungai Galugur Kecamatan Kapur Ix Berbasis Sistem Informasi Geografis
(wahyu sari yeni, 2019-01-03) Nurdin, Nurdin; Suprayogi, Imam; Sujatmoko, Bambang; Suwondo, Suwondo; Mustofa, Riyadi; Anggoro, Hafiz Catur
Galugur Kapur IX Sub district watershed is one of the upper watersheds in the Kotopanjang hydropower reservoir which has the potential to trigger a reservoir sedimentation rate increasement due to land clearing for plantations so that it will speed up the filling of dead bin of reservoir significantly which will have an impact on the reduction of the planned service life of the reservoir. The research objective is to analyze the potential for erosion in the Galugur watershed using Geographic Information System (GIS) as an information of a watershed management policy. The research approach method for erosion estimation is the Universal Soil Loss Equation (USLE) method. The USLE method is influenced by four factors: rain erosivity factor (R), soil erodibility factor (K), downhill length and slope factor (LS), and land utilization factor (CP). These erosion estimation factors are then converted into four thematic maps, namely rain erosivity map (R), soil erodibility map (K), downhill slope and length map (LS), land cover and management map (CP). All thematic maps that have been generated are overlaid and will produce an erosion distribution map. The main results of the study proved that erosion that occurred in the Galugur watershed based on GIS was dominated by low category erosion approximately 43% of the total area of 5787,123 ha. Confirmed by the results of research that states that the Galugur watershed erosion product will blend with the water flow from the upstream to the reservoir, so that the sediment in the reservoirs will occur in large scale quantities. The reservoir sedimentations have the potential to be a threat to the reduction in the service life of the Kotopanjang hydropower reservoir which is designed to operate for 100 years.
Analisis Potensi Lokal Provinsi Riau Dalam Mendukung Penguatan Edukasi Lingkungan Di Perguruan Tinggi
(wahyu sari yeni, 2019-01-09) Haryanto, Rudy; Suwondo, Suwondo; Wulandari, Sri
Strengthening environmental management can be done through environmental education in universities. Good environmental education is able to raise the environmental potential in accordance with the characteristics of the region into knowledge for students. This research was conducted to identify local potential in Riau Province which can be integrated into the learning of Environmental Education at FKIP University of Riau. The research was conducted using a qualitative descriptive approach, where data collection was carried out by observation, interview, and literature study. The parameters analyzed include (1) identification of local potential in the form of ecosystems and local wisdom typical of Riau; and (2) analysis of the environmental education curriculum at FKIP University of Riau; (3) Analysis of integration in learning. The research found that Riau Province has (1) various typical ecosystems of Riau, including the Tropical Rain Forest Ecosystem, Peat Swamp Forest, Oil Palm Plantation Ecosystem, River Ecosystem, and Lake Ecosystem; (2) Various local community wisdom that play a role in environmental management, including: Local Wisdom Lubuk Larangan and Local Wisdom of Indigenous Forests. Environmental Education Courses have Sub Learning Outcomes (1) Describe the basic concepts and characteristics of various ecosystem typologies; and (2) Explain various efforts in sustainable environmental management, as a topic of lectures. This Local Potential can be integrated with environmental education lectures at FKIP UNRI. Integration can be done at the preliminary stage (apperception and motivation), core activities, and/or individual assignments or scientific groups in learning. This local potential can be developed as a learning resource in the form of modules to support the strengthening of environmental education in universities.
Analisis Sistem Proteksi Dan Tanggap Darurat Kebakaran Lahan Perkebunan Di Ptpv V Sei Pagar
(wahyu sari yeni, 2019-01-10) Ningsih, Kursiah Warti; Suryani, Suryani
Based on data Gapki (2015) in Riau Province loses about Rp 7.2 trillion mainly due to reduced productivity, and increased operational costs due to smoke hit in the last two months. As a result of this fire the plantation land extends to causing paralysis of flight transportation and disbursement of teaching and learning in school. This study aims to analyze the implementation of fire protection and emergency response system of plantation land in PTPN V Sei Pagar, Kecamatan Perhentian Raja - Riau. The factors to be analyzed are how the implementation of active protection system, passive protection system, emergency response procedures, technical guidelines of fire emergency action plan, organization / fire management team. This research uses descriptive qualitative research type. This research intends to know the implementation of fire protection and emergency response system of plantation land in PTPN V Sei Pagar, Kecamatan Perhentian Raja - Riau. The sample in qualitative research is a resource, or participant, informant, manager, employee or consultant in research. The sampling technique used purposive sampling is the way sampling is done in such a way that its representation is determined by the researcher based on the consideration of the people who have experienced. In this research, there are several informants, among others are 2 main informants, 3 persons supporting informants and 2 supporting informants. Methods of data retrieval were conducted using interview guidelines. The method of data analysis used is to reduce / summarize, choose the main things, focus on the things that matter, look for the theme and pattern. The presentation of data is done in the form of narrative text. The result of the research explains that PTPN V Sei Pagar has done fire protection system actively and passively. They also have technical procedures and guidance to overcome fire and have a team in handling fire.
Aplikasi Pola Spasial (Spatial Pattern) Pengembangan Desa Wisata Pulau Belimbing Kecamatan Kuok Kabupaten Kampar Provinsi Riau
(wahyu sari yeni, 2019-01-09) Sulistyani, Andri; Sidiq, Rd. Siti Sofro; Wicaksono, Baskoro
Tourism village of Pulau Belimbing is one potential area of Kampar River Basin (DAS Kampar). Its location was close to the centre of Pekanbaru City and transportation route crossing Pekanbaru to West Sumatera that makes it very affordable for the tourists. This research used descriptive qualitative method with data collection techniques through observation, interview, and documentation to reveal various potential attraction, accessibility, and amenity available in Pulau Belimbing, and then, figured out the spatial pattern of its regional development. Research stages included identification, implementation, connectivity, and destination positioning. This tourism village has a various natural attractions in form of citrus plantations and typical guava namely citra, river valleys, rice fields, and also cultural attractions such as balimau kasai, pacu tongkang, traditional house of lontiok, traditional food, also typical Ocu theatrical tradition. The accessibility of the area was very good, supported by homestay of lontiok house. This potential indicated that Pulau Belimbing has different positioning products to the other tourist destinations in Kampar regency. This positioning analysis further demonstrated that there were 3 types of spatial patterns that could be built based on the existing potentials, namely basecamp, en route, and single destination, which place this village as the center of arrival and breaking down of tourist concentration. The connectivity of this area was combined with other destinations, including Stanum, Bukit Naang, Sungai Hijau, Muara Takus Temple, Koto Mesjid Village, Lopek Bugi Culinary Center, and Tanjung tourism village, and definetely show its different tourism products. The flow of tourists in the area was spreadly around, so it was easier to break the tourist concentration, and the distribution of villagers’ income from tourists activity/economic benefit sharing can be distributed equally.
Beban Emisi Gas Buang Kendaraan Bermotor Berdasarkan Jarak Tempuh Dan Jumlah Kendaraan Pada Persimpangan Pasar Pagi Arengka Pekanbaru
(wahyu sari yeni, 2019-01-09) Darimi, Darimi; Siregar, Yusni Ikhwan; Anita, Sofia
Background and Purpose: Air pollution will make the city environment unhealthy and can interfere with human health, therefore air pollution must be strived so as not to increase. One way to reduce air pollution in urban areas is to reduce greenhouse gas emissions and build Green Open Space (RTH). Therefore the purpose of this study is to calculate the exhaust emissions of motor vehicles in the city of Pekanbaru based on the distance traveled and the fuel used. Materials and Methods: Air pollution at a certain level can be a combination of one or more pollutants, either in the form of solids, liquids or incoming gases dispersed into the air and then spread to the surrounding environment. Further analysis in this study is to analyze environmental factors related to community environmental health and research methods is a quantitative method that is trueexperiment, the equation used is the emission load equation of the exhaust gas. Result: Some compounds produced from complete combustion such as non-toxic CO2, have recently become a concern of people. CO2 compounds are actually naturally occurring components in the air. Therefore CO2 previously did not keep the order of air pollution which is more than normal attention due to excessive use of fuel every year, so that in this study shows an increase in CO2 with increasing number of vehicles and mileage. Conclusion: Exhaust emissions are strongly influenced by the distance traveled and the number of vehicles, but there are other factors associated with increased gas emissions, namely congestion, so that technological advances in reducing the rate of increase in exhaust emissions are no longer functioning. Other factors that need to be taken into consideration are the number of vehicles, vehicle age, vehicle maintenance, vehicle speed, type of fuel, amount of fuel, and engine capacity that can affect vehicle exhaust emissions on the intersection of the morning market.
Beban Pencemaran Limbah Domestik Sungai Parit 13 Kecamatan Tembilahan Kabupaten Indragiri Hilir
(wahyu sari yeni, 2019-01-09) Harahap, Syaiful Ramadhan
Parit River 13 is one of the rivers that crosses Tembilahan subdistrict with a relatively high population density. The function of these rivers is used as a rain water drainage that existence is not be separated from human activities around the watershed. Increasing population growth has caused the Parit River 13 to experience a decline in water quality caused by domestic waste inputs. This study aims to determine water quality and domestic waste pollution in the Parit River 13. This research carried out sampling at three locations that presented the upstream, middle and downstream of the river. Analysis of pollutant load is made by multiplying the value of river water discharge with the concentration of pollutant parameters. The results showed the highest domestic waste pollution load value was COD of 785.635 mg/sec, BOD 510.663 mg/sec, Phosphate (PO4) 27.643 mg/sec, and Nitrate (NO3) 1.455 mg/sec. Based on the value of concentration and pollutant load, Parit 13 River Tembilahan Subdistrict, Indragiri Hilir Regency is in a condition contaminated with domestic waste.
Dampak Keberadaan Kampus Universitas Islam Riau Terhadap Perubahan Interaksi Sosial, Kondisi Ekonomi Dan Guna Lahan
(wahyu sari yeni, 2019-01-10) Astuti, Puji; Asteriani, Febby; Rahman, Ali; Marta, Frisilia
The development of Riau Islamic University followed by development of physical region, development of facilities to support campus activities, creating formal and informal employment, so as to provide social, economic and land function changes around the campus area. To measure the impact, research was carried out with qualitative analysis methods. Based on the research results obtained that; 1. Creating good social interaction related to the collaboration between Riau Islamic University and the community in social activities, attitudes and communication, 2. Economic conditions show increased results for employment, income, expenditure and shelter, 3. Significant changes in land function related to urbanization, population and the extent of the housing distribution or settlements.
Determinan Dalam Pemberantasan Sarang Nyamuk (Psn)Aedes Aegypti Di Kelurahan Guguak Bulekkota Bukittinggi
(wahyu sari yeni, 2019-01-10) Nurdin, Nurdin; Wulandari, Okta Yuki
Mosquito eradication Aedes aegyptieffective and efisisen are generally conducted through 3M Plus, which is one method of controlling cases of Dengue Hemorrhagic Fever (DHF). Based on data from Bukittinggi City Health Department in 2016 found 106 cases of dengue, IR 84.99 / 100,000 population, and there were 2 deaths with CFR of 1.8%, purpose of this study to determine the determinant in the Aedes eegypti Mosquito Nest Eradication in Village Guguak Bulek City of Bukittinggi. This type of research is descriptive analytical approach cross sectional study with a population of 1,703 inhabitants, a sample size of 95 respondents. This research was conducted in the village Guguak Bulek Bukittinggi 2018. The data collected in this study were analyzed using univariate and bivariate using chi-square statistical test and the determination of the Odds Ratio (OR). Univariate analyzes the results obtained mosquito eradication activities Aedes aegyptinot good (68.4%) of respondents, low knowledge (61.1%) of respondents, negative attitude (55.8%) of respondents and a role for less active (71.6%) of respondents. The results of the bivariate analysis are factors related to the implementation of the PSN that knowledge with p value = 0.001 and OR = 4.5, the attitude with p value = 0.01 with OR = 3.1, and factors not related, the role of the officer with p value = 0.1. The final conclusion is that knowledge, and attitudes is determinant in the implementation of the Aedes aegypti mosquito eradication.
Efektivitas Penurunan Tss, Bod, Cod, Dan E.Coli Limbah Cair Industri Santan Kelapa Dengan Metode Msl (Multi Soil Layering) Yang Dimodifikasi
(wahyu sari yeni, 2019-01-09) Putra, Adewirli; Fitri, Wiya Elsa
Currently, decreasing water quality due to contamination of industrial wastes that are discharged to environment is a very serious problem, one of them is coconut milk industry wastewater. MSL (Multi Soil Layering) is an alternative method that can be effectively used in industrial wastewater treatment processes. Utilization of modified MSL method with the addition of rice husks may increase the yield of coconut milk industry wastewater treatment. This study aimed to determine the effectiveness of TSS, BOD, COD, and E. coli reduction using modified MSL method for coconut milk industry wastewater based on aeration and non-aeration processes and variation of flow rate. This experimental study used modified MSL equipment with the addition of rice husks which consisted of andosol soil, coconut shell charcoal, iron powder, rice husk and perlite which were arranged like brick construction. The indicators observed in this study were the effect of aeration and non-aeration processes and variations of flow rate on parameters changes of TSS, BOD, COD, and E.coli count. Variations of flow rate used in this study were 5; 10; 20; and 40 ml / minute. The research results suggested that modified MSL method with rice husk is efficient and effective. In the aeration process, the decrease in turbidity reached 99.79%; BOD 35.68%; COD 86.64%; and E.coli 99.79% while in the non-aeration process, the decrease in turbidity reached 98.66%; BOD 33.01%; COD 84.62%; E.coli 99.92%; Overall, the effective flow rate for reducing pollution levels in the coconut milk industry wastewater based on these indicators was 5 ml / minute, both in aeration and non-aeration treatments.
Evaluasi Pelaksanaan Program Adipura Kota Padang Tahun 2018
(2019-01-10) Nopriadi, Nopriadi; Azkha, Nizwardi; Leonita, Emy
Padang City has won a clean city award 19 times and that has received the most Adipura awards in Indonesia. However, after the earthquake on September 30, 2009, many infrastructures were destroyed, so in 2010, 2011, 2013 to 2016 no longer received the Adipura award. This study aims to evaluation of the Adipura program implementation in Padang City year 2018 based on the components of input, process and output. This study uses a qualitative method, carried out in May-October 2018 using guidelines for indepth interviews, field observations, and document review. The informants of the study were determined purposively. Data analysis using content analysis techniques with the help of matrices, and triangulation of sources and methods to avoid information refraction. The results of the research on the input component indicate that the implementation of the Adipura program in the city of Padang based on Minister of Environment Regulation Number 53/2016 by involving various government agencies, communities and universities, using the budget from the Regional Budget and supported by facilities and infrastructure. In the process component, the Adipura program has been carried out before the assessment, starting from preparing everything needed in terms of material and monitoring points. Coordinated by the Environmental Service. Currently entering the second assessment phase, and waiting for the letter to call the presentation by the Ministry of Environment. It can be concluded that the implementation process of the Padang City Adipura Program has been carried out quite well, but for subsequent programs it is necessary to conduct routine guidance and more cross-sectoral involvement of higher education institutions as well as community participation, increased budget and infrastructure
Faktor Yang Mempengaruhi Kemandirian Anak Usia Prasekolah Di Tk Al Munawaroh Kota Pekanbaru Tahun 2018
(wahyu sari yeni, 2019-01-10) Fitri, Rahmi Pramulia; Santi, Julira
Independence is a person's condition where someone trying to stand alone in the sense of not relying on other people in decisions and able to carry out life's tasks with full responsibility. Factors that influence the sterility of preschoolers are parenting, the role of parents. In assessing themselves According to the World Health Organization (WHO, 2011) there are as many as 15% of the world's population or 785 million people experiencing mental and physical disorders. This research is quantitative. This research was conducted at Al Munawaroh Kindergarten in Pekanbaru City in 2018. The number of respondents 49 people in the research design used was descriptive correlation using a questionnaire research instrument. The analysis used is frequency distribution and chi square test to determine the effect of variables. The results of this study conclude that there is an influence between Parenting Parenting and the Independence of Preschool Children in Al Munawaroh Kindergarten in Pekanbaru City in 2018. With a p value of 0.001 <0.05, the Alternative Hypothesis (Ha) is accepted. There is an Influence between the Role of Parents and the Independence of Preschoolers at Al Munawaroh Kindergarten in Pekanbaru City in 2018. With a p value of 0.004 <0.05, the Alternative Hypothesis (Ha) is accepted. It is expected that parents can provide positive parenting to children. It is expected that parents can play a role in educating the personality of the child, so that children can be independent and able to socialize with others.
Hubungan Kadar Cholinesterase Dan Jumlah Leukosit Kasus Keracunan Pestisida Pada Petani
(wahyu sari yeni, 2019-01-10) Shinta, Dewi Yudiana; Sonata, Herix
Indonesia is one of the agricultural countries that use pesticides high enough to control various pests that can reduce the population of plant pest organisms (OPT). Cholinesterase in the blood will bind, because in blood it is generally used as a parameter of pesticide poisoning. Cholinesterase is also synthesized in the liver or liver, blood plasma, and red blood cells. Leukocytes in the blood of farmers who experience pesticide poisoning will increase. The purpose of this study was to analyze the relationship between the number of leukocytes and cholinesterase cases of poisoning in farmers. This study uses a blood sample of farmers as many as 20 people. The results showed that the correlation test of Pearson test results showed p = 0.563 and r = 0.137. This means that there is no significant relationship between the number of leukocytes and cholinesterase cases of pesticide poisoning in farmers with very weak and insignificant correlation strengths. The use of pesticides to control plant pests contains the risk of accidents in humans in the form of chronic / acute poisoning and / or death. The severity of the level of poisoning is related to the level of inhibition of cholinesterase in the blood.
Identifikasi Lahan Kritis Pada Daerah Tangkapan Air Waduk Plta Koto Panjang
(wahyu sari yeni, 2019-01-03) Suwondo, Suwondo; Rahmat, Aan Nur; Mustofa, Riyadi
Catchment Area has a hydrological function for the sustainability of the PLTA Koto Panjang Reservoir. As the number and activity of the Koto Panjang catchment area population increases, it has experienced hydrological pressure and land degradation. The study was conducted to identify the condition of critical land in the Koto Panjang catchment area. The research was conducted in the water catchment area of PLTA Koto Panjang in June-August 2018 using an overlapping approach using Geographic Information System application. The analysis is done descriptively. The results showed that the area of 329,305 ha of Koto Panjang hydropower catchment area, 32.8% classified as critical, 42.3% classified as critical potential, 19.6% classified as rather critical, 1.1% classified as very critical, 0.3% classified as not critical 0.3%. The criteria for the condition of critical land in this catchment area can be used as a reference for determining the priority location for the management of the Koto Panjang Hydroelectric Reservoir.
Kajian Perubahan Penggunaan Lahan Tahun 2000-2015 Sub Das Sail Menggunakan Data Citra Satelit
(wahyu sari yeni, 2019-01-03) Nugraha, Idham; Astuti, Puji; Manan, Mardianto; Asteriani, Febby; Hisyam, M. Iqbal
Land cover changes were one of the variables that can affect the watershed system. Land cover changes were in the form of anthropogenic activities. The aim of this research was to identify land cover changes in Sail Sub Watershed using remote sensing data. The data that were used are Landsat 5 TM Imagery year of 2000, 2005 and 2015. The data has been digitized using GIS techniques by on screen digitization. The results showed remote sensing data quite accurate to land cover or land use information extraction with 88% accuration. Land cover in Sub DAS Sail has been classified by using local knowledge. The results shown that land cover in Sub DAS Sail can divided into 6 (six) classes such us built up land, bush, swamp area, agriculture, oil palm plantation and water body. From 2000-2015 built up land area and oil palm plantation has increasing pattern, meanwhile bush and swamp area were decreasing over the year. This condition surely can impact the watershed condition like hydrological conditions. This information will be useful for the watershed management, especially in floods case and the general for regional planning.
Karakteristik Komunitas Akit Dan Pemberdayaan
(wahyu sari yeni, 2019-01-09) Saam, Zulfan; Nurhidayah, T
The work of the community is generally utilize Akit Tribe wood mangrove charchoal as raw. The job has been passed down from one generation to the next. The work is a dilemma. At one party to work making charcoal is ecobioenergy and the other dipihak the utilization of mangrove wood overload will damage the environment. This study aims to a) describe the characteristics of Tribal society Akit, b) Analyzing the causes of poverty community Tribe Akit, and c) formulating the scenario community empowerment Tribes Akit. Data collection is done by observation and depth interview. The results of this study demonstrate a) level of public education are very low, b) of the causes of poverty is the mindset and the quality of human resources is very low and the Government less care with community Akit, c) empowerment Scenario is the proposed infrastructure development and investment in human resources. The implication of the research is the need for Government policy for community empowermwnt Akit

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