The existence of IPB with a high number of students and residents influences the development of the area. Various businesses emerged to satisfy the needs of students, one of them is warung makan. Warung makan is the one of food waste sources that comes from leftlovers. Food waste can have an impact on the environment, social and economic. This study aims to determine the amount of food waste from warung makan and to determine the efforts to reduce the food waste. This research was conducted in around the campus of IPB Darmaga. The methodology used SNI 19-3964-1994. The results show that the average of food waste warung makan was 29,413 kg/day. The food waste composition consists of rice, vegetables and side dishes with the largest component was rice about 70% of total food waste. Efforts can be made to reduce the food waste from the side of warung makan was apply the method of serving rice on a buffet basis, campaign about food waste and apply a choice of rice portions. Keywords : food waste; food waste campaign; leftlovers; warung makan
North Sumatra Province has the Tangkahan Nature Tourism Area, which represents ecotourism managed by local communities, established in 2001, which has now become the leading tourism destination of North Sumatra both locally and internationally. Tangkahan ecotourism is an example of payment for environmental services for the Tangkahan community, which initially carried out illegal logging in the mount Leuseur national park and then agreed to preserve the national park through ecotourism. This study aims to analyze the economic value of tourism and the preferences of tourists to revisit, along with the factors that influence them, where these conditions can be an illustration of the sustainability of Tangkahan ecotourism. The travel cost method is used to calculate the economic value of Tangkahan Ecotourism environmental services. The factors that affect the economic value, intensity of visits, and interest in revisiting, were analyzed using multiple linear regression. The results showed that Tangkahan ecotourism has a relatively high economic value, supported by the intensity and interest of tourist visits. Factors that affect the economic value and preferences of tourist visits can be managed for the sustainability of Tangkahan ecotourism so as not to lose the economic value of the ecotourism environmental services.
Pada tahun 1980an, Pulau Tanakeke memiliki kawasan ekosistem mangrove seluas kurang lebih 1.770 hektar. Namun, dalam kurun 1980an-2000an, luasan tersebut berkurang hingga 60 persen akibat dari pemanfaatan yang tidak terkendali oleh masyarakat sehingga terjadi perubahan lingkungan. Tulisan ini bertujuan mengkaji posisi sumber daya mangrove terhadap pengelolaan saat ini dengan mengestimasi nilai manfaat dan kerugian yang diterima masyarakat dari adanya pemanfaatan mangrove. Pengumpulan data primer dilakukan melalui metode survei dengan 40 responden pemanfaat mangrove. Analisis data menggunakan teknik valuasi ekonomi sumber daya alam dan lingkungan. Hasil analisis yang diperoleh menunjukkan bahwa nilai manfaat ekonomi ekosistem mangrove masih lebih besar dibandingkan dengan nilai kerugian yang timbul. Hasil analisis tersebut berimplikasi pada dua hal: 1) yaitu di satu sisi membuktikan bahwa ekosistem mangrove di Pulau Tanakeke memberikan kontribusi ekonomi yang cukup besar bagi masyarakat, 2) tetapi di sisi lain, nilai manfaat yang cukup besar tersebut dapat menjadi insentif bagi masyarakat untuk semakin ekspansif mengeksploitasi ekosistem mangrove sehingga dapat menjadi peluang ancaman bagi kelestarian ekosistem mangrove di Pulau Tanakeke apabila tidak dikelola dengan seksama.Title: Analysis of Benefits and Losses Value of Mangrove Ecosystem Uses in Tanakeke Island, South SulawesiIn the 1980s, Tanakeke Island had around 1,770 hectares of mangrove area. However, within a period of time 1980s-2000s, this area has reduced nearly 60 percent due to uncontrolled utilization by community resulting in environmental changes. This study aims to examine the position of mangrove resource towards existing management by estimating benefits and losses of mangrove utilization. Primary data were collected through a survey from 40 respondents of mangrove beneficiaries. Data were analysed using the resource and enviromental economic valuation techniques. The results indicate that the total economic value of mangrove ecosystem is greater than the losses value. This finding led to two implications: on one side, it is proved that the mangrove ecosystem in Tanakeke Island gives economic contribution in a considerable amount to the community. However, on the other side, this high value of benefits leads to an increasing exploitation of the mangrove ecosystem. Therefore, this condition could be a threat to the sustainability of mangrove ecosystem in Tanakeke Island if it is not managed carefully
ABSTRAKKelapa sawit (Elaeis guineensis) merupakan salah satu komoditas utama tanaman perkebunan Indonesia sebagai penghasil devisa negara. Ekspansi perkebunan kelapa sawit berpotensi memberikan manfaat ekonomi, namun dapat mengakibatkan gangguan lingkungan. Oleh karena itu, perlu dikaji dampak secara ekonomi dan lingkungan akibat ekspansi perkebunan kelapa sawit. Penelitian ini menggunakan analisis pendapatan untuk mengestimasi manfaat ekonomi, analisis deskriptif untuk mengidentifikasi dampak lingkungan, dan untuk mengestimasi biaya eksternal menggunakan replacement cost dan cost of illness. Ekspansi mengakibatkan petani merubah sebagian atau seluruh kebun karet menjadi kebun kelapa sawit yang mengakibatkan peningkatan pendapatan sebesar 40,52%. Selain di sektor on-farm, petani mendapat manfaat tambahan di sektor off-farm (24,46%), dan non-farm (25,61%), sehingga total peningkatan pendapatan petani adalah 33,42%. Berdasarkan persepsi masyarakat dampak lingkungan akibat ekspansi kebun kelapa sawit berupa berkurangnya kuantitas air tanah, pencemaran air, dan berkurangnya populasi satwa. Adapun dampak lingkungan dari pabrik crude palm oil (CPO) adalah menghasilkan limbah cair dari pengolahan kelapa sawit yang menimbulkan biaya eksternal bagi masyarakat berupa biaya pengganti air bersih dan biaya berobat.Kata kunci: dampak ekonomi, dampak lingkungan, ekspansi, kelapa sawit ABSTRACT Oil palm is one of the major plantation commodity that earns foreign exchange. The expansion of oil palm plantation potentially gives not only economic benefits, but also the environmental problems. Therefore, the economic and environmental impacts of oil palm plantation expansion need to be assessed. This study uses revenue analysis to estimate the economic benefits, descriptive analysis to identify environmental impacts, and to estimate external costs using replacement cost and cost of illness. In this research, expansion is defined as the conversion of a part of or whole rubber plantation to oil palm plantation. The expansion resulted in farmers turning some or all of rubber gardens into palm oil plantations that resulted in an increase in revenues of 40.52%. In addition to the onfarm sector, farmers benefit from off-farm (24.46%) and non-farm (25.61%), bringing the total increase of farmers' income by 33.42%. Based on community perceptions of environmental impacts due to oil palm plantation expansion in the form of reduced quantity of groundwater, water pollution, and decreased animal population. The environmental impact of crude palm oil (CPO) factories is to produce liquid waste from palm oil processing that raises external costs for the community in the form of the replacement cost of clean water and the cost of illness.
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