Jurnal Pengelolaan Sumberdaya Alam dan Lingkungan (Journal of Natural Resources and Environmental Management)
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Large Mammals Occupancy in Geothermal Power Plant Activities
Get PDFPLTP merupakan sumber energi terbarukan alternatif untuk mencukupi kebutuhan energi yang meningkat. Potensi sumber energi ini sebagian besar berada di ekosistem hutan & memberikan dampak ekologi. PT Supreme Energi Rantau Dedap (SERD) adalah salah satu pengembang PLTP pada Hutan Lindung Bukit Jambul Gunung Patah, Sumatera Selatan. Untuk tujuan kajian kekayaan spesies mamalia besar dan okupansinya, penelitian ini menggunakan data pemantauan kamera perangkap milik SERD yang dipasang selama tahap eksplorasi dan konstruksi. Data kemudia dianalisa menggunakan pemodelan okupansi single season dengan parameter dampak perubahan habitat (distance), cahaya malam (light), dan perbedaan tipe habitat hutan berdasarkan ketinggian (elevation). Total 13 dari 14 mamalia besar terekam oleh kamera perangkap dan satu melalu laporan pertemuan langsung. Sebagian besar model okupansi terbaik adalah dengan kovariat konstan. Hog badger dan Muntjak merupakan mamalia besar yang konsisten dengan okupansi tinggi antara okupansi naif dan hasil model. Empat spesies mamalia yang tingkat okupansi dipengaruhi dampak kegiatan PLTP yaitu Surili, Babi Hutan, Tapir dan Hog badger. Hasil ini menggambarkan bahwa, pada rentang tahap pengembangan, mamalia besar masih menggunakan habitat di wilayah pengembangan PLTP meskipun beberapa spesies memberikan respons negatif terhadap dampak yang ditimbulkan. Sedangkan pada tahap konstruksi, kekayaan spesies cenderung lebih tinggi namun dengan tingkat deteksi lebih rendah dan tingkat okupansi beragam untuk tiap spesies mamalia besar.Geothermal as one of renewable resources, provide alternative to address the ever-increasing energy demand. Most of the sources are located in forest ecosystem, on which ecological impact took place. PT Supreme Energi Rantau Dedap (SERD) is geothermal power plant project located in protected forest of Bukit Jambul Gunung Patah, South Sumatera. To investigate the large mammal’s species richness and its occupancy, the research observe data from SERD camera trap data installed during exploration and construction phases. Data are then analyzed with single season occupancy modelling with habitat changes (distance), light and elevation as the impact parameters. There are 13, out of 14, large mammals that captured by the camera trap and one was identified on direct encounter. Mostly, the best occupancy model is with constants covariate. Hog badger and muntjac constantly apparent as high occupancy both in naïve occupancy and model result. Four species occupancies are affected by geothermal power plant activity, they are: surili, forest pig, tapir and hog badger. The result showed that during the development phase, large mammals still inhabited the powerplant area despite the fact that some species responded negatively against the impact. Meanwhile, during the construction phase the species richness is tend to be higher but the detection level is lower with varied occupancy level for each large mammals’ species
Gaining Aquaculture Blue Growth with Low Carbon Emission Shrimp Farming Technology
Get PDFEmisi karbon dan kaitannya dengan kegiatan budidaya udang semakin mendapat perhatian peneliti dan pemerhati lingkungan. Emisi karbon dan gas rumah kaca lainnya disimpulkan sebagai penyebab perubahan iklim melalui fenomena pemanasan global. Sebaliknya, perubahan iklim terbukti menentukan kelangsungan dan keberlanjutan kegiatan budidaya udang. Dinamika karbon dan keuntungan usaha berbeda pada 3 (tiga) teknologi budidaya (tradisional, semi intensif dan intensif), hal tersebut disebabkan adanya perbedaan jumlah dan jenis input produksi, fasilitas dan infrastruktur, serta perbedaan produktivitas. Kajian ini bertujuan untuk merumuskan pertumbuhan biru kawasan akuakultur di wilayah pesisir Kabupaten Karawang-Jawa Barat terkait dengan emisi karbon dalam kerangka DPSIR dan menggunakan analisis trade off untuk mendapatkan alternatif teknologi budidaya udang yang rendah emisi karbon. Kami menyimpulkan untuk dapat mengurangi emisi karbon dan meningkatkan penyerapan dan simpanan karbon sebagai upaya mewujudkan pertumbuhan biru budidaya udang dapat dilakukan dengan optimalisasi pengawasan penggunaan ruang dan meningkatkan produktivitas budidaya udang. Emisi karbon terendah secara berturut-turut adalah teknologi budidaya udang semi intensif, intensif dan terakhir tradisional.Carbon emissions and their relation to shrimp farming activities getting more attention by researchers and environmentalists. Emissions of carbon and other greenhouse gases are concluded as drivers of climate change due to global warming. On the contrary, climate change is proven to determine the continuity and sustainability of shrimp farming activities. The dynamics of carbon and profitability are different for the three cultivation technologies (extensive, semi-intensive, and intensive), it caused by differences in the number and types of production inputs, and facilities and infrastructure, and also differences in productivity. This study aims to formulate the blue growth of aquaculture areas in the coastal area of Karawang Regency-West Java related to carbon emission within the DPSIR framework and use trade off analyses to obtain shrimp farming technologies alternative that are low in carbon emissions. Our conclusion to be able to reduce the carbon emissions, and increase the carbon sequestration and stock as effort for shrimp farming blue growth through optimize the spatial use supervision and increase the productivity of shrimp farming. The lowest carbon emission of shrimp farming technology are semi-intensive, intensive and extensive, respectivel
Pekarangan Model for Supporting Food Resiliency on Household Level in Transmigration Area, East Lampung
Get PDFPekarangan as one of the potential natural resources and closest to the family can be the right and strategic choice to be used in realizing family-scale food resiliency. The research was conducted in Transmigration area of East Lampung from June 2021 to December 2021. The determination of the pekarangan sample by purposive sampling was carried out on four transmigration ethnics, i.e., the Javanese (100 samples), the Sundanese (100 samples), the Balinese (100 samples) , and the Madurese (13 population), as well as local transmigration, i.e., the Lampungnese (100 samples). Pekarangan model is determined from species diversities on agroforestry system and its plant multistorey condition. The results of identification found three agroforestry systems as a pekarangan model, i.e., the agroforest system (Maduranese pekarangan), agrosilvopastoral (Balinese, Javanese, and Lampungnese pekarangans), and agrosilvopastoralfishery (Sundanese pekarangan). Each agroforestry system contributed to food sources by 54.54% (agroforest), 46.15% to 65.51% (agrosilvopastoral), and 89.28% (agrosilvopastoralfishery)
Post Tsunami Land Use Monitoring to Support Sustainable Coastal Management
Get PDFMonitoring penggunaan lahan pesisir rawan tsunami berperan penting terhadap upaya pengurangan risiko bencana. Kajian ini dilakukan untuk memetakan penggunaan lahan secara multitemporal di wilayah pesisir pantai Aceh pasca tsunami 2004. Metode penelitian dilakukan secara kualitatif, data dianalisis secara spasial, dengan melakukan interpretasi citra multitemporal landsat TM 5 dan Landsat 8 untuk menentukan pola dan perubahan penggunaan lahan. Interpretasi dan analisis penggunaan lahan dilakukan dengan klasifikasi terselia melalui pendekatan maximum likelihood. Hasil penelitian menunjukkan pola penggunaan lahan di daerah rawan tsunami yakni di sekitar pesisir masih banyak digunakan sebagai kawasan permukiman. Studi ini menunjukkan selama 15 tahun telah terjadi peningkatan jumlah pemukiman seluas 7418.9796 Ha, dan telah terjadi penurunan lahan terbuka seluas 6743,73 Ha. Sementara penggunaan lahan berupa vegetasi kerapatan tinggi mengalami kenaikan sebesar 672,76 Ha, begitupun vegetasi kerapatan rendah meningkat 459,11 Ha. Pertumbuhan permukiman di daerah rawan tsunami yang cukup padat dapat berimplikasi terhadap tingginya risiko apabila bencana serupa kembali terjadi. Upaya pengaturan, pemantauan, pengendalian dan evaluasi penggunaan lahan secara tepat di daerah rawan tsunami perlu dilakukan agar tingkat risiko bencana dapat ditekan.Monitoring of land use in tsunami prone coastal areas has an important role in disaster risk reduction efforts. This study was conducted to map temporal land use patterns in the post-2004 tsunami Aceh coastal area. The research method was carried out qualitatively, the data were analyzed spatially, by interpreting multitemporal Landsat TM 5 and Landsat 8 imagery to determine patterns and changes in land use. Interpretation and analysis of land use are carried out with supervised classification through the maximum likelihood approach. The results showed that land use patterns in tsunami prone areas, namely around the coast, were still widely used as residential areas. This study shows that over the past 15 years there has been an increase in the number of settlements covering an area of 7418.9796 hectares, and there has been a decrease in open land covering an area of 6743.73 hectares. While land use in the form of high density vegetation experienced an increase of 672.76 Ha, likewise low density vegetation increased by 459.11 Ha after the tsunami. The growth of settlements in a fairly dense tsunami-prone area can have implications for the high impact / risk if a similar disaster occurs again. Efforts to regulate, monitor, control and evaluate land use appropriately in tsunami prone areas are necessary so that the level of disaster risk can be reduced
Potensi Tumbuhan Sumber Pangan Hutan di KPH Produksi Unit VIII Muntai Palas Kabupaten Bangka Selatan
No full textAbstrak: Tumbuhan sumber pangan hutan memiliki potensi keunggulan komparatif sebagai sumber daya alternatif. Keberadaan KPH Produksi Unit VIII Muntai Palas sebagai unit pengelolaan dapat meningkatkan kualitas pengelolaan hutan di Kabupaten Bangka Selatan Provinsi Kepulauan Bangka Belitung. Tujuan penelitian ini menginventarisasi, menganalisis pemanfaatan dan merumuskan strategi pengembangan desa konservasi. Penelitian bersifat eksploratif dengan metode penetapan empat lokasi desa (Kepoh, Pasir putih, Batu betumpang, dan Bencah) dan pemilihan informan dilakukan secara purposive sampling. Hasil penelitian menemukan 33 famili, 54 marga, 73 spesies dengan total 1858 individu terdiri dari 1071 semai, 385 pancang, 173 tiang dan 226 pohon. Nilai keanekaragaman spesies tertinggi berkategori sedang ditemukan di desa Kepoh sedangkan spesies dengan nilai kepentingan (LUVI) tertinggi berbeda-beda di setiap desa pengamatan. Di Desa Kepoh Sandoricum koetjape (LUVI 11,14), desa Pasir Putih dimiliki Mangifera odorata (kuweni) dengan nilai LUVI 9,68, Desa Batu Betumpang Nephelium lappaceum (rambutan) (LUVI 11,20) dan desa Bencah (LUVI 10,84) dimiliki Garcinia nigrolineata (kandis). Strategi Strength-Opportunity (SO) diterapkan dalam pengembangan desa konservasi hutan berkelanjutan dengan dukungan keanekaragaman sumber pangan hutan dan kebijakan daerah serta peluang pengembangan hutan wisata, hutan Kesehatan, hutan Pendidikan, laboratorium alam dan investasi sumber daya alam dan lingkungan dapat mewujudkan desa konservasi hutan berdaulat pangan yang mandiri.
Kata kunci: AHP-SWOT, hutan tanaman sumber pangan, KPH, LUVI, analisis vegetasiAbstract: Plants as forest food sources have potential comparative advantages as alternative resources. The existence of the Production KPH Unit VIII Muntai Palas as a management unit can improve the quality of forest management in South Bangka Regency, Bangka Belitung Islands Province. The purpose of this research was to take an inventory, analyze the utilization and formulate a conservation village development strategy. This research is explorative with the method of determining four village locations (Kepoh, Pasir Putih, Batu Betumpang, and Bencah) and selecting informants by purposive sampling. The results of the study found 33 families, 54 genera, 73 species with a total of 1858 individuals consisting of 1.071 seedlings, 385 saplings, 173 poles and 226 trees. The highest value of species diversity in the medium category was found in Kepoh village, while the species with the highest value of importance (LUVI) differed in each observation village. Kepoh was owned by Sandoricum koetjape Village (LUVI 11.14), Pasir Putih village was mostly inhabitated by Mangifera odorata (kuweni) with a LUVI value of 9.68, Batu Betumpang Village was mostly covered by Nephelium lappaceum (rambutan) (LUVI 11.20) and Bencah village (LUVI 10.84 ) belongs to Garcinia nigrolineata (kandis). The Strength-Opportunity (SO) strategy was applied in the development of sustainable forest conservation villages with the support of the diversity of forest food sources and regional policies as well as opportunities for the development of tourism forests, health forests, educational forests, natural laboratories and investment in natural resources and the environment to realize a sovereign forest conservation village. independent food.
Keywords: AHP-SWOT, food source plantation forest, KPH, LUVI, vegetation analysis
 
The Potency of Obtained Clean Water from Rainwater Harvesting in Sikka District
Get PDFSikka District is one of the areas experiencing a clean water crisis because only 5.23 % of people have access to clean water in 2020. Therefore, rainwater management will be carried out to obtain clean water using roof top rainwater harvesting technology. This study aims to calculate the potency of clean water that can be obtained from rainwater harvesting. Comparative descriptive analysis method was used to compare the data of clean water potency that can be obtained from rainwater harvesting with the data of clean water needs from the people in Sikka District in 2020. The results show that the potency of clean water that can be obtained from rainwater harvesting is 3,593961.6 m3/year or 3,593,961,600 liters/year and clean water needs of all the people is 17,626,927 m3/year or 17,626,927,000 liters/year. The people that gets clean water from rainwater harvesting is 20.38 % or as many as 65,615 people from the total population in Sikka District. This shows that the use of rainwater cannot meet the clean water needs of all people in Sikka Distric. There is a need for other sources of clean water that are bigger and can be used to meet the needs of all people
The correlation of CO concentration and green open space (case study of Jagakarsa District, South Jakarta)
Get PDFKecamatan Jagakarsa di Jakarta Selatan merupakan daerah yang potensial dalam pengembangan Ruang Terbuka Hijau (RTH). Ruang Terbuka Hijau berfungsi secara tidak langsung untuk memperbaiki tingkat kesehatan masyarakat. Salah satu kecamatan di Jakarta Selatan dan sekaligus menjadi objek penelitian ini adalah Kecamatan Jagakarsa. Hal tersebut disebabkan karena adanya dinamika perubahan lahan Ruang Terbuka Hijau (RTH) dan pergeseran pembangunan pemukiman di Kecamatan Jagakarsa. Tumbuhan hijau sebagai salah satu unsur Ruang Terbuka Hijau (RTH) memiliki kemampuan untuk mereduksi karbon dan beberapa zat pencemar udara. Oleh karena itu, pada penelitian ini dilakukan analisa tentang hubungan antara Ruang Terbuka Hijau (RTH) dalam mereduksi karbon. Penentuan hubungan luas Ruang Terbuka Hijau (RTH) dengan CO dilakukan dengan menggunakan metode analisis korelasi. Berdasarkan hasil penelitian yang dilakukan, terbukti bahwa ada keterkaitan yang sangat kuat antara Ruang Terbuka Hijau (RTH) dengan CO yaitu dengan nilai korelasi - 0,865. Dimana setiap penurunan luas eksisting Ruang Terbuka Hijau (RTH) sangat berpengaruh terhadap kadar CO.Green Open Space serves indirectly to improve the level of public health. One of the sub-districts in South Jakarta is Jagakarsa is a potential area in the development of Green Open Space. Therefore, in this study, ananalysis of the relationship between Green Open Space and carbon was carried out. Determination of the relationship between the area of Green Open Space and CO was carried out using the correlation analysis method. The data used in this study is secondary data in the form of air quality data for five years in South Jakarta Area. Data were processed with SPSS to get the correlation between CO and land used.The results have proven that there is a very strong relationship between Green Open Space and CO with a correlation value of -0,865. Where every decrease in the existing area of Green Open Space/Ruang Terbuka Hijau (RTH) greatly affects CO levels. Based on Law No. 26 of 2007 concerning spatial planning, the minimum proportion of green open space in a city is 30% of the city area, but in Jagakarsa, it is decreased to 10,33 %
Increased Growth of Cymbidium ensifolium (L.) Swartz. after Giving Liquid Organic Fertilizer for Conservation
No full textAnggrek Cymbidium ensifolium merupakan anggrek terrestrial dengan ciri bunga berwarna kuning corak merah. Keindahan anggrek tersebut menyebabkan masyarakat melakukan eksploitasi yang dapat mengancam kepunahan, sehingga diperlukan upaya pelestarian salah satunya secara ex situ dengan budidaya. Proses budidaya disesuaikan dengan kondisi alamnya yaitu menggunakan bahan alam sebagai pupuk alami atau organik. Bahan alam yang dapat digunakan dalam pembuatan pupuk adalah air kelapa dan air cucian beras. Penelitian ini bertujuan untuk mengetahui pengaruh pemberian pupuk organik cair (POC) berbahan air kelapa dan air cucian beras dengan konsentrasi berbeda terhadap pertumbuhan anggrek C. ensifolium. Metode yang digunakan adalah ex situ dengan menanam menggunakan polybag dengan medium tanah: sekam: sekam berambut = 1: 1: 1 dan mikoriza 15 gr/tanaman di kebun percobaan menggunakan rancangan acak lengkap dengan satu faktor berupa konsentrasi POC 0%, 15% dan 30%. Metode analisis data menggunakan ANOVA dan DMRT. Hasil penelitian menunjukkan POC berbahan air kelapa dan air cucian beras berpengaruh meningkatkan pertumbuhan C. ensifolium. Pupuk organik cair 30% merupakan konsentrasi optimal untuk panjang tunas, panjang dan lebar daun. Kebaruan penelitian ini adalah digunakannya kombinasi air kelapa dan air cucian beras sebagai bahan dasar pembuatan pupuk dan pada konsentrasi 30% meningkatkan pertumbuhan anggrek.Cymbidium ensifolium is a terrestrial orchid. Exploitation of orchids in nature causes extinction, so conversation efforts are needed, one of that efforts is ex situ conversation. The cultivation process is adapted by natural conditions, using natural material. One of organic fertilizers is liquid organic fertilizers based on coconut water and rice washing water. This research aims to studied the effect of applying liquid organic fertilizer (POC) made from coconut water and rice washing water with different concentration for growth of Cymbidiun ensifolium. This study was conducted from November 2021 to February 2022 was experimental garden used randomized block design with one factor and the concentration of POC is 0%, 15% and 30%. The method that used is ex situ, planting using polybags with soil medium: husk: husk hairy = 1:1:1 and mycoryza 5 gr. Result of ANOVA and DMRT anlysis showed that POC from coconut water and rice washing water had an effect on growth of Cymbidium ensifolium. concentration 30% of liquid organic fertilizer is optimal for shoot length, length and width leaf. The novelty of this research is use combination of coconut water and rice washing water as the basic ingredients for making fertilizer
Suitability of mangrove ecotourism in Payo Village, West Halmahera Regency: Kesesuaian Ekowisata Mangrove di Desa Payo, Kabupaten Halmahera Barat
No full textKeunikan ekosistem mangrove merupakan potensi yang dapat dikembangkan sebagai destinasi ekowisata. Kegiatan ekowisata adalah satu diantara sekian banyak alternatif guna menanggunlangi permasalahan lingkungan pada ekosistem mangrove. Tujuan penelitian yaitu menilai kesesuaian mangrove sebagai suatu ekosistem untuk kawasan ekowisata Desa Payo Halmahera Barat. Penelitian ini menggunakan metode survei yaitu dengan mengukur langsung kondisi biofisik mangrove. Hasil penelitian menunjukkan bahwa nilai kesesuaian ekosistem mangrove untuk ekowisata adalah 73,86%, dengan kategori “sesuai” atau (S2).The uniqueness of the mangrove ecosystem is a potential that can be developed as an ecotourism destination. Ecotourism activities are one of the many alternatives to overcome environmental problems in the mangrove ecosystem. The research objective was to assess the suitability of mangroves as an ecosystem for the ecotourism area of Payo Halmahera Barat Village. The research used a survey method, which is to directly measure the biophysical conditions of mangroves. The results showed that the suitability value of the mangrove ecosystem for ecotourism was 73.86%, with the "appropriate" or (S2) category
The Impacts of Application Foaming Agent Following Peat Fire at DesaRimba Panjang, District Kampar, Province Riau
No full textKebakaran gambut akan menyebabkan terjadinya subsiden, kerusakan pada sifat fisik, kimia dan biologi tanah serta melepaskan gas-gas diantaranya gas rumah kaca. Pemadaman kebakaran hutan dan lahan biasanya dilakukan hanya dengan menggunakan air dan membutuhkan waktu yang cukup lama hingga api benar-benar padam. Pemadaman dengan air kurang cukup efektif dan efisien jika dilakukan ditanah gambut karena proses penurunan suhu bahan bakar tidak segera terjadi akibat air yang digunakan dalam pemadaman akan diuapkan kembali ke udara akibat pada suhu api yang tinggi di permukaan. Selain menggunakan air, terdapat metode pemadaman baru yaitu dengan menggunakan foaming agent dari minyak kelapa sawit. Metode ini dilakukan dengan cara memadamkan api menggunakan alat pemadam kebakaran, dimana pada alat tersebut sudah dilarutkan dengan campuran larutan NF 46 0,5 100 L m-². Selanjutnya, dilakukan pemadaman secara langsung pada plot dan dilihat lama waktu pemadaman hingga api atau asap pada plot sudah tidak terlihat lagi, kemudian diamkan selama satu hari. Berdasarkan hasil analisis, bahwa pemadaman dengan menggunakan foaming agent selama tiga bulan tidak merusak ekosistem bahkan tidak memiliki dampak negatif terhadap pertumbuhan tanaman selama tiga bulan. Selain itu, pemadaman dengan menggunakan foaming agent dapat mempercepat proses pemadaman (3 sampai 4,6 menit) dibandingkan dengan menggunakan air (50 menit).Peat land fire decreases the thickness of peat soil (subsidence) and damage the physical, chemical, and biological properties of the soil. Forest and land fires extinguishing is usually be managed using water and tend to take a very long time until the fire is completely quenched. Extinguishing using water in a peat land is deemed less effective and less efficient because of the process of fuel temperature reduction that is not directly completed regarding the water evaporation due to the high fire temperature on the surface. Moreover, using a foaming agent from palm oil, is a new method of fire extinguishing. This method was done by extinguishing the fire using a fire extinguisher tool that was filled with a mixture of NF46 0,5 100 L m-² solution. The direct extinguishing was carried out on the plot and the extinguishing time length was analyzed until the fire or smoke on the plot was no longer visible, then being left for a day. Based on the analysis results, the extinguishing using a foaming agent for three months does not damage the ecosystem and even does not have a detrimental impact on plant growth within three months. Besides, extinguishing using a foaming agent can speed up the extinguishing process (3 until 4,6 minute) compared to using water (50 minute)