Jurnal Pengelolaan Sumberdaya Alam dan Lingkungan (Journal of Natural Resources and Environmental Management)
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Consumer surplus analysis using the Travel Cost Method (TCM) at the Petrus Kafiar Beach tourist attraction, Manokwari Regency, West Papua
Get PDFThis study aims to determine the economic value of tourism objects and whether there is a consumer surplus at the Petrus Kafiar beach based on the Travel Cost Method (TCM). The consumer surplus value is obtained by using the Individual Travel Cost Method (ITCM) approach and willingness to pay to calculate the willingness to pay of tourists visiting Petrus Kafiar Beach. The value of WTP obtained is Rp. 23,358.21 per person per visit. Meanwhile, the average WTP (willingness to pay) per year for one visit is only Rp. 5,491.23. The results of the integral calculation to find the consumer surplus of visitors to the Petrus beach tourism object, the consumer surplus is ranged from Rp. 5,201.5 to Rp. 10,403.91 per individual/visit
The Contributions of Soil Biochemical Properties as Determinant of Pineapple (Ananas comosus [L.] Merr.) Plantation LandProductivity in Central Lampung Regency
No full textSalah satu tantangan manajemen dalam budidaya nanas skala perkebunan adalah masih adanya disparitas atau heterogenitas dalam hal produktivitas lahan pertanaman meskipun praktik budidaya telah dilakukan puluhan tahun. Pada perkebunan nanas di Kabupaten Lampung Tengah, kontribusi sifat biokimia tanah terkait aktivitas beragam enzim tanah rizosfer sebagai faktor penentu produktivitas lahan belum pernah dielaborasi. Penelitian ini bertujuan memelajari hubungan antar sifat biokimia dan sifat tanah rizosfer lainnya dengan produktivitas lahan atau tingkat produksi nanas pada skala perkebunan. Contoh komposit tanah rizosfer diambil secara purposif dari 4 stasiun di perkebunan nanas terbesar di Indonesia yang mewakili blok dengan tingkat produksi tinggi dan rendah serta pertumbuhan nanas pada fase vegetatif dan generatif. Hubungan antar parameter yang dipelajari dievaluasi menggunakan PCA dan analisis regresi linier berganda. Hasil penelitian menunjukkan kontribusi signifikan dari sifat-sifat tanah rizosfer terhadap tingkat produksi nanas menurut persamaan: Produksi = 64.895 – 6.546 PCA1 +13.057 PCA2 – 7.722 PCA4 (R2= 0.612), dimana PCA1 terdiri atas P-tersedia, K-tersedia, dan KTK tanah; PCA2 terdiri atas kejenuhan basa, total populasi mikrob, aktivitas enzim tanah selulase dan invertase, sedangkan PCA4 terdiri atas C-organik, fraksi debu, dan aktivitas fosfataseOne of the management challenges in pineapple cultivation at plantation scale is the still occurrence of disparity in land productivity across the cultivated area although the cropping practices have been implemented for many years. In the case of a pineapple plantation in Central Lampung Regency, contribution of soil biochemical properties in terms of various soil enzyme activities as a determinant factor of land productivity has never been elaborated. This research was aimed to study the relationships among biochemical and other soil properties with land productivity or pineapple yield at plantation scale. Rhizosphere soil-composite samples were taken purposively from 4 stations at the largest Indonesian pineapple plantation representing blocks with high and low yield and growth at vegetative and generative phase. Relationships amongst the studied parameters were evaluated using PCA and linear multiple regression analysis. The results showed significant contributions of the rhizosphere soil properties on the pineapple yield according to equation: Yield = 64.895 – 6.546 PCA1 +13.057 PCA2 – 7.722 PCA4 (R2= 0.612), where PCA1 consisted of soil available-P, available-K, and CEC; PCA2 was of soil base saturation, total microbe population, enzyme activities of cellulase and invertase, while PCA4 was of soil organic C, silt fraction, and phosphatase activities
Water quality in areas around Galuga Landfill, Bogor Regency, West Java
Get PDFThe research is aimed to analyze leachate, surface water and ground water characteristics around Galuga landfill site, Bogor District. Water samples had been taken in dry season of 2014 and in the end of rainy season of 2015 from several sites in areas around Galuga landfills which included leachate water, surface water, and ground water. Leachate, surface water and ground water had temperature and pH in normal ranges; whereas nitrate and Pb contents were high to very high levels, especially in site adjacent to waste piles. The concentrations decreased in line with increasing distance from waste piles. Higher content of nitrate in leachate occurred in dry season, but in well water it was found in rainy season. Meanwhile, Pb content in well water were high, both in dry and rainy seasons. Concentrations of nitrate and Pb in leachate water were higher than wastewater quality standard, so that the leachate water were not safe to be discharged directly to natural water body. The high content of nitrate and Pb caused the well water unsuitable to be consumed without water treatment processing
Sustainable community forest management in West Kalimantan: A case study of the Dayak Katab Kebahan community
Get PDFWest Kalimantan has great potential of forests and indigenous people. Therefore, it is crucial to study on forest management by indigenous people. The study is aimed at analyzing the forest management carried out by the Dayak Katab Kebahan community; and the condition of the forest ecosystem. The research area is in Melawi Regency, West Kalimantan. Observations and in-depth interviews were conducted to explore the customs in managing forests. A vegetation survey using purposive sampling was performed. The fauna study was conducted by the exploration method. Vegetation data analysis was carried out by calculating the importance value and diversity indices. One-way ANOVA analysis was done to determine the presence of forest ecosystem differences between two forests. The findings showed forest managed by the Dayak Katab Kebahan community has a core zone which is a zone that should not be disturbed, and a cultivation zone which can be utilized and can be intercropped with plantation crops; and the forest ecosystem managed by the Dayak Katab Kebahan community has a higher fauna richness, vegetation diversity index and the importance value index of each species. It is suggested that the government be involved in supporting the customary law of local communities in forest conservation
Increasing smog haze and its impact on oil palm evapotranspiration and gross primary production during the 2015 fire: special discussion on diffuse radiation
Get PDFTahun 2015, beberapa wilayah di Indonesia mengalami kekeringan yang bertepatan dengan munculnya fenomena El Nino. Kekeringan di Indonesia diikuti oleh kebakaran hutan mengakibatkan perkebunan kelapa sawit di Jambi tertutup oleh kabut asap. Fenomena kebakaran hutan berdampak besar pada pelemahan radiasi matahari yang masuk ke permukaan bumi akibat tertutupnya atmosfer oleh kabut asap yang cukup tebal sehingga berpengaruh terhadap produksi primer dan evapotranspirasi kelapa sawit. Penelitian ini bertujuan menganalisis intensitas kabut asap berdasarkan radiasi hambur dan menganalisis hubungan serta pola GPP dan evapotranspirasi terhadap radiasi hambur pada saat terjadi kabut asap di tahun 2015. Konsentrasi PM10 sebagai representase aerosol di atmosfer terhadap transmisivitas atmosfer berkorelasi negatif dengan r = -0,8 dan p-value = 0,0016. Tingginya radiasi hambur berbanding lurus dengan kondisi atmosfer yang tertutup oleh kabut asap. Saat tutupan kabut asap di atmosfer sedang mencapai puncaknya di bulan Oktober 2015, sebagian besar radiasi matahari yang masuk adalah radiasi hambur. Fraksi difus dengan GPP dan evapotranspirasi juga berkorelasi negatif atau berbanding terbalik. Keduanya memiliki hubungan yang signifikan dengan p-value < 0,05 dan r = -0,93 untuk GPP dan r = -0,88 untuk evapotranspirasi. Berdasarkan besarnya koefisien korelasi, radiasi difus dengan GPP memiliki hubungan yang lebih erat dibandingkan dengan evapotranspirasi.In 2015, several regions in Indonesia experienced drought which coincided with the El Nino phenomenon. A drought in Indonesia followed by fires has resulted in oil palm plantations in Jambi being covered by smog. The fire phenomenon has a major impact on the weakening of the sun that enters the earth\u27s surface due to the closure of the atmosphere by thick smog so that it affects gross primary production (GPP) and evapotranspiration of oil palm. This study aims to analyze the intensity of smog based on diffuse radiation and analyze the relationship and pattern of GPP and evapotranspiration to diffuse radiation during the occurrence of smog in 2015. PM10 concentration as a representation of aerosols in the atmosphere on atmospheric transmissivity is negatively correlated with r = -0.8 and p-value = 0.0016. The high diffuse radiation is directly proportional to the atmospheric conditions covered by smog. When the smog cover in the atmosphere was at its peak in October 2015, most of the incoming solar radiation was diffuse radiation. The diffuse fraction with GPP and evapotranspiration was also negatively or inversely correlated. Both have a significant relationship with p-value < 0.05 and r = -0.93 for GPP and r = -0.88 for evapotranspiration. Based on the magnitude of the correlation coefficient, diffuse radiation with GPP has a closer relationship than evapotranspiration
Attributes of the Water Supply Program in Soppeng regency, South Sulawesi
No full textPenurunan ketersediaan air dan peningkatan kebutuhan air telah terjadi di Kabupaten Soppeng, hal ini disebabkan potensi air permukaan sebagai sumber air bersih yang semakin terbatas. Untuk menjamin keberlanjutan program penyediaan air bersih di Kabupaten Soppeng, perlu dilakukan kajian penyediaan air dengan pendekatan sistem, agar penyediaan air di Kabupaten Soppeng dapat berkelanjutan. Penelitian ini dilakukan dengan tujuan untuk menganalisis kendala yang dihadapi, kebutuhan program, dan kelembagaan yang berperan dalam penyediaan air bersih di Kabupaten Soppeng dengan metode Interpretative Structural Modeling (ISM). Hasil penelitian menunjukkan bahwa untuk pelaksanaan program penyediaan air bersih, terdapat empat elemen kunci yang perlu diperhatikan yaitu kurangnya kapasitas kelembagaan, lemahnya tata kelola kelembagaan, ketersediaan air baku, dan peran Pemerintah Pusat (kementerian terkait).Decreasing water availability and increasing water demand have occurred in Soppeng regency, this is due to the potential of surface water as raw water for clean water is increasingly limited. In ensuring the sustainability of the clean water supply program in Soppeng regency, it is necessary to study the water supply using a system approach, so that the water supply in Soppeng regency can be sustainable. This research was conducted with the aim of analyzing the constraints faced, program needs, and institutions that play a role in the supply of clean water in Soppeng regency with the Interpretative Structural Modeling (ISM) method. The results show that for the implementation of the clean water supply program, there are four key elements that need attention: the lack of institutional capacity, weak institutional governance, availability of raw water, and the role of Central Government (relevant ministries)
Carbon Stocks Potential and Economic Value Valuation of Carbon Stocks in Ebony Stands
Get PDFOne of the important activities to achieve the implementation of REDD+ activities is the measurement and reporting of carbon stocks (Masripatin et.al. 2010). Information on the potential for carbon stocks in a plant stand or forest area can provide an overview for related parties of the potential carbon stocks and the added value that will be obtained if it maintains and develops a certain plant species to support the reduction of greenhouse gas emissions. This study aims to determine the potential of biomass, carbon stocks, and economic valuation of the carbon stocks potential of several Ebony stands contained in the Kawanua Arboretum BP2LHK Manado. The types of Ebony stands that were the object of this study were Dyospiros celebica, Dyospiros rumphii, and Dyospiros ebenum. Determination of biomass potential and carbon stocks using the allometric equation. The economic valuations of each potential carbon stocks of Ebony stands are obtained based on the selling value of carbon set by the World Bank Group. Based on the results of the study, it is known that the carbon stocks potential of each Ebony stand, namely Diospyros rumphii, is 74.246 tons/ha, followed by the potential carbon storage in the Diospyros celebica stand of 67.768 tons/ha and Diospyros ebenum of 64.977 tons / ha, while the economic valuation value of the highest carbon storage potential is found in the Diospyros rumphii stand of USD 148.492 followed by Diospyros celebica is USD 135.536 and Diospyros ebenum is USD 129.95
Implementation of lean process to solid waste management in Bandung, Indonesia
Get PDFSampah rumah tangga di Kota Bandung menjadi masalah karena peningkatan sampah yang dihasilkan oleh masyarakat dari tahun ke tahun dan terbatasnya lahan atau Tempat Pembuangan Akhir (TPA) di Kota Bandung. Kapasitas lahan di TPA Sarimukti setiap tahunnya menurun bahkan timbulan sampah mencapai 9 meter. Hal ini terjadi dikarenakan tidak adanya teknologi pengelolaan sampah yang efektif dan efisien. Untuk mengatasi timbulan sampah tersebut, penelitian ini dilakukan untuk mengetahui bagaimana pengolahan sampah rumah tangga saat ini, mengidentifikasi lean operation dari pengolahan manajemen sampah zero, melakukan simulasi teknologi manajemen sampah zero menggunakan sistem dinamis, membandingkan total biaya yang dibutuhkan dengan total manfaat yang diterima bila menggunakan teknologi manajemen sampah zero, serta merancang model lean canvas bisnis pengolahan manajemen sampah zero. Penelitian ini menggunakan metode cost benefit analysis dengan pendekatan sistem dinamis dalam melakukan simulasi model serta merancang model lean canvas bisnis manajemen sampah zero. Hasil penelitian terdiri dari tiga skenario yaitu skenario pesimis, most likely dan optimis, masing – masing skenario menunjukkan bahwa Kota Bandung dapat mencapai kondisi zero waste pada tahun kelima uuntuk skenario most likely dan tahun keempat uuntuk skenario optimis kecuali skenario pesimis, analisis cost benefit analysis menunjukkan nilai Benefit Cost Ratio bagi skenario pesimis 0,660, skenario Most likely 0,767, skenario optimis 1,172 Metode ini memungkinkan terjadinya lean operations pada pengelolaan sampah yang ditunjukkan oleh diagram alur dengan mengeliminasi kegiatan yang tidak memiliki nilai tambah. Selanjutnya untuk mendukung operasional dari penelitian ini disusun sebuah rekomendasi berupa lean operations menggunakan 5S pada perilaku pemilahan sampah rumah tangga dan penyusunan model lean canvas business agar pelaksanaan manajemen sampah zero menjadi optimal.Household waste in Bandung City is one of the problems due to the increase in waste generated by the community from year to year and the limited land or Final Disposal Site (TPA) in Bandung City. The land capacity at the Final Disposal Site of Sarimukti decreases every year and the waste generation reaches 9 meters. This happens because there is no effective and efficient waste management technology. To overcome this waste generation, this research was carried out which aims to find out how the current household waste is processed, identifying lean operations of zero waste management processing, perform a zero waste management technology simulation using a dynamic system, comparing the total costs required with the total benefits received when using zero waste management technology, and designing a lean canvas business model for the processing of zero waste management. This study uses a cost benefit analysis method with a System Dynamics approach in conducting model simulations and designing a lean canvas business model for zero waste management. The results of the study consist of three scenarios, namely pessimistic, most likely and optimisticic scenarios, each scenario shows that Bandung City can achieve zero waste conditions in the fifth year for the most likely scenario and the fourth year for the optimisticic scenario except for the pessimistic scenario. Benefit Cost Ratio value for pessimistic scenario is 0.660, Most Likely scenario is 0.767, optimisticic scenario is 1.172. This method allows the occurrence of lean operations in waste management which are shown by flowcharts and process graphs by eliminating activities that do not have added value. Furthermore, to support the operations of this research, a recommendation is made in the form of lean operations using 5S on household waste sorting behavior and the preparation of a lean canvas business model so that the implementation of Zero Waste Management is optima
The implementation strategy of Ecosystem Approach to Aquaculture (EAA) shrimp commodities in Pinrang District, South Sulawesi
Get PDFPenelitian ini bertujuan menyusun strategi keberlanjutan perikanan budidaya udang menggunakan pendekatan ekosistem atau EAA di Kabupaten Pinrang, Sulawesi Selatan. Serangkaian analisis dilakukan, yaitu analisis daya dukung lingkungan terhadap perikanan budidaya menggunakan standar kelayakan lingkungan tambak, analisis faktor-faktor kritis keberlanjutan perikanan budidaya menggunakan analisis Multidimensional scalling, analisis status keberlanjutan perikanan budidaya menggunakan analisis pairwise comparison dan analisis strategi pengelolaan perikanan budidaya udang berbasis pada EAA menggunakan analisis hierarchy process. Hasil penelitian menunjukkan dibutuhkan pelaksanaan strategi sebagai berikut: a) percepatan penataan ruang, dan pelaksanaan program-program yang sesuai dengan arahan pemanfaatan dan pengendalian ruang; b) penguatan kelembagaan pembudidaya permodalan guna melengkapi dan memperbaiki sarana dan prasarana sesuai dengan SOP; dan c) peningkatan taraf pendidikan dan penyediaan sistem jaminan sosial dan ekonomi bagi anggota masyarakat pembudidaya udang.This study aims to develop a strategy for the sustainability of shrimp aquaculture using an ecosystem approach or EAA in Pinrang Regency, South Sulawesi. A series of analyzes were carried out, namely the environmental carrying capacity analysis of aquaculture using pond environmental feasibility standards, analysis of critical factors for the sustainability of aquaculture using multidimensional scaling analysis, analysis of the sustainability status of aquaculture using pairwise comparison analysis and analysis of shrimp aquaculture management strategies based on EAA. using hierarchy process analysis. The results showed that the following strategies were needed: a) accelerating spatial planning and implementing programs in accordance with the directions for spatial use and control; b) institutional strengthening of capital cultivators in order to complement and improve facilities and infrastructure in accordance with the SOP; and c) increasing the level of education and providing a social and economic security system for members of the shrimp farming communit
The Role of Stakeholders in Conseravation Governance in The Upstream Bedadung Watershed
Get PDFHulu DAS Bedadung merupakan daerah resapan air. Saat ini DAS Bedadung tidak berfungsi secara optimal, karena penebangan liar dan perubahan fungsi hutan lindung menjadi hutan produksi. Akibatnya terjadi peningkatan erosi, tanah longsor, dan banjir. Tujuan penelitian adalah mengidentifikasi kegiatan konservasi di daerah hulu, dan peran stakeholder dalam tata kelola DAS Bedadung. Hasil penelitian terkait identifikasi kegiatan konservasi di empat Sub DAS menggunakan analisis deskriptif eksploratif adalah: (1) Sub DAS Jompo yaitu (tanaman kopi, tanaman jati dan terasering), tanaman penutup tanah, DAM pengendali, (2) Sub DAS Antrokan yaitu terasering tanaman durian, penggunaan mulsa organik, tanaman sengon dengan rumput gajah, (3) Sub DAS Rempangan yaitu penanaman tanaman penutup tanah, terasering tanaman kopi dengan lamtoro, (tanaman sengon, kopi dan terasering), reboisasi dengan tanaman matoah sengon, duren, alpukat, pete, jambu biji, (4) Sub DAS Rembangan yaitu strip rumput, tanaman penutup tanah, (tanaman lamtoro, kopi, dan terasering. Hasil penelitian tujuan kedua terkait peran dan hubungan stakeholder dalam pelaksanaan tata kelola konservasi dilakukan dengan analisis The Four Rs (Empat R), sedangkan kekuatan dan pengaruh stakeholder menggunakan analisis kekuatan stakeholder. Posisi dan peranan masing-masing stakeholder pengelola hulu DAS Bedadung, yaitu (1) LMDH dan KTH sebagai (Subject), (2) Cabang Dinas Kehutanan Wilayah Jember, Perum Perhutani, dan BPDAS Brantas Sampean sebagai (Key Player), (3) Dinas Lingkungan Hidup Kabupaten Jember, Bappeda Jember, Dinas PU Bina Marga Kabupaten Jember, dan Dinas Pertanian Jember sebagai (Context Setter), (4) Forum DAS Brantas Sampean sebagai (Crowd)The upstream of the Bedadung watershed is a catchment area. Now Bedadung watershed does not function optimally because of illegal logging and the change in function of protected forest to production forest. There was an increase in erosion, landslide, and flood. This research aims to identify conservation activities and Identify the roles of stakeholders in governance upstream Bedadung watershed. The result of the first purpose is conservation activities in the fourth Sub-watershed with exploratory, descriptive analysis: (1) Jompo Sub-watershed (coffee plants, teak plants, and terraces), cover crops, DAM controller, (2) Antrokan Sub-watershed such as durian terracing, use of organic mulch, sengon plants with elephant grass, (3) Rempangan Sub-watershed, such as planting cover crops, coffee, and lamtoro terracing, (sengon, coffee, and terrace), reforestation with matoah, sengon, durian, avocado, petai, guava, (4) Rembangan Sub-watershed, such as grass strips, cover crops, (lamtoro, coffee, and terrace). The results of the second purpose are to identify roles, relationships, influence, and strength of stakeholders in the implementation of conservation governance using The Four Rs analysis and stakeholder strength analysis. The position and function of each stakeholder managing the upstream Bedadung Watershed, namely (1) LMDH and KTH as (Subject), (2) Branch of the Jember Regional Forestry Service, Perum Perhutani, and BPDAS Brantas Sampean as (Key Player), (3) Dinas Environment of Jember Regency, Bappeda Jember, Department of Public Works Bina Marga of Jember Regency, and Department of Agriculture of Jember as (Context Setters), (4) Brantas Sampean Watershed Forum as (Crowd)