Person: UZEL, GÖKHAN
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UZEL
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GÖKHAN
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Publication New alternatives in Turkish agriculture and food industry: Stevia plant and its possible effects(Parlar, 2020-01-01) Uzel, Gökhan; UZEL, GÖKHAN; Bursa Uludağ üniversitesi; 0000-0001-9939-2523; AAG-8213-2021; N-8716-2017Nowadays, natural sweeteners are preferred instead of artificial sweeteners that have harmful effects on our health. In addition to artificial sweeteners such as saccharin, aspartame and fructose, besides, it is widespread in many countries of the world because it does not contain calories and has various positive effects on health. Their use in the food sector, health sector and other sub sectors is increasing, and their economic size is increasing especially in the food and sweetener sectors. Turkey, which is a controversial agenda sugar sector discussions and Starch Based Sugars(SBS)'s sugar production issues are taken into consideration, reduction of dependence on foreign sugar policy and the new agricultural policies aimed at achieving food security is emerging needs. In this context, it was thought that this research, in which the functional properties of Stevia, usage areas, health effects, substitutability of sweeteners containing starch based sugar and new approaches to form a new, integrated sugar policy, will shed light on the researches to be conducted in our country in the near future.Publication Land use preferences considering resource economics: Case of organic versus conventional wheat production in Turkey(Springer, 2022-01-12) UZEL, GÖKHAN; Gürlük, Serkan; GÜRLÜK, SERKAN; Aslak, Esma; Karaer, Feza; KARAER, FEZA; Mühendislik Fakültesi; Çevre Mühendisliği Bölümü; 0000-0002-3159-1769; N-8716-2017; AAG-8213-2021; AAG-8099-2021The organic agricultural production system is considered to be the best alternative to the conventional system in order to solve agricultural externality problems. The adoption of such systems provide environmental, social, and financial benefits to the related communities. The related community may receive economic benefits although they might not recognize those benefits. The current paper examines prospective organic wheat production's positive impacts on Turkish economy. This research seeks to find the optimal cultivated land requirement to be allocated for organic wheat production, and contributes to the available literature by measuring environmental and social effects using the proxy values of regular wheat production in the country. Results dictate that the social optimum amount of conventional wheat production must be 1.3 million hectares. If the annual negative externality of wheat production, which is 227.5 USD/ha, is taken into account, the total annual external cost would be 1,416,061,536 USD/year. The importance of conversion and superiority of organic farming are stressed in the literature only at the micro-level or farm-level rather than the macroeconomic level. Macroeconomic results examined in the current paper complete micro-level studies in the context of agricultural externalities. The study indicates that macroeconomic efficiency of organic production is higher than the conventional system. However, it is suggested that a mild transition path be implemented for better land conversion in developing countries such as Turkey. The system of good agricultural practices may have some advantages for this path.Publication Impacts of cattle and sheep husbandry on global greenhouse gas emissions: A time series analysis for central european countries(Hard, 2015-01-01) Gürlük, Serkan; Uzel, Gökhan; Turan, Özlem; GÜRLÜK, SERKAN; UZEL, GÖKHAN; TURAN, ÖZLEM; Ziraat Fakültesi; Tarım Ekonomisi Bölümü; 0000-0003-4673-7086; AAG-7236-2021; AAG-8213-2021; N-8716-2017; JGR-6037-2023Global warming and climate change have become issues that recently have caused much concern in the world. Countries that perform their economic activities without thinking about future generations have had to focus on "sustainability" issues since local and global environmental issues have been experienced. In this context, global warming problems have become one of the most important environmental topics occupying the world agenda and are causing intensive scientific and political discussions. One of the causes of global warming is increasing greenhouse gases, CO2, CH4, N2O, CFC, etc., in the atmosphere. Especially in developing countries, growing populations, industrial development, and increasing demand for energy have triggered greenhouse gas emissions. Yet we cannot ignore the contributions of developed countries to greenhouse gas emissions. In fact, developed countries have brought the world's attention to sustainability and environmental management systems after contributing negatively to world pollution. While all these discussions are going on, a new issue is the negative effect of greenhouse gas emissions caused by animal husbandry. In order to meet the global meat demand, intensive industrial and traditional husbandry is preferred worldwide. This situation causes increased greenhouse gas emissions and may cause significant problems to the environment and to sustainable agriculture. By considering the negative contribution of animal husbandry to global warming issues, countries may have to enact reforms in animal husbandry policies or pay the price for their contribution to greenhouse gas emissions in the future. The purpose of this study is to present policy options for Turkey, EU-12 countries, and Central European countries in regards to this topic. These analyses will shed light on animal husbandry practices and contribute to the knowledge level of political decision makers and the public.Publication Impacts of corruption to agricultural export potential of the gambia competitive neighbours(Kahramanmaraş Sütçü İmam Üniversitesi, 2021-01-01) Uzel, Gökhan; Ndimballan, Assan; Gurluk, Serkan; UZEL, GÖKHAN; Ndimballan, Assan; GÜRLÜK, SERKAN; Ziraat Fakültesi; Tarım Ekonomisi Bölümü; 0000-0002-3159-1769; 0000-0001-9939-2523; 0000-0002-7322-8570; N-8716-2017; AAG-8099-2021; AAG-8213-2021; FOO-7050-2022The purpose of this study was to investigate the mutual interaction between corruption and agricultural export variations with using corruption perception index, exchange rate and gross domestic product affect. Study, centers the Gambia country, but her neighbour and competitive countries in order to make comparisons. Study constructs a multinominal logit model to analyze the determinants of agricultural export variations and depends on panel data belongs to six Sub-Saharan African countries. Study shows that, the corruption perception index had a probality on agricultural export. Value of corruption production index in the previous year was likely to contribute to the current agricultural export of Sub-Saharan Africa countries. Increases at Gross Domestic Product provide benefits to agricultural export in parallel with corruption perception index. Policy makers, trade sector, business and civil society movements and governmental approaches have significance on preventing corruption climate atmosphere. To the best of authors knowledge, this study constitutes the first attempt to build a theoretical framework to explore how the interactions between determinants of agricultural export variations and corruption inflluence.Publication An evaluation of agri-environmental indicators through a multi-criteria decision-making tool in Germany, France, the Netherlands, and Turkey(Hard, 2016-01-01) Gürlük, Serkan; Uzel, Gökhan; GÜRLÜK, SERKAN; UZEL, GÖKHAN; Ziraat Fakültesi; Tarım Ekonomisi Bölümü; 0000-0001-9939-2523; 0000-0001-9939-2523; N-8716-2017; AAG-8213-2021; JGR-6037-2023Our study investigates the historical achievements of agri-environmental and economic policies in order to ensure food security in the nations of Germany, France, the Netherlands, and Turkey. Various agroeconomic and environmental indicators are tested, such as per capita cereals, per capita meat production, per capita milk production, yield of cereals, gross agricultural production value, fertilizer and pesticide use efficiency, and total agricultural emissions. The study attempts to rank the countries according to sustainability criteria. In the studies of ranking, multi-criteria decision-making methods are best suited for effectively dealing with a number of multifaceted evaluation criteria. The current study employs the technique for order preference by similarity to ideal solution method to rank the countries according to the above-mentioned criteria. Results show that Turkey was the closest to an optimal solution in 1980, while the Netherlands was farthest from an optimal solution the same year. In 2013 the country closest to an optimal solution was France. We can infer that economic indicators have some effects on ideal solutions because the Netherlands has less agricultural land, but its agri-economic value is higher than in other countries.Publication Economic valuation of securization with hartman approach the case of Uludag National Park, Bursa, Turkey(Parlar Scientific Publications (P S P), 2021-01-01) Uzel, Gökhan; UZEL, GÖKHAN; 0000-0001-9939-2523; AAG-8213-2021; N-8716-2017Mountain-Forest ecosystems provide essential services within the economic system of the region and perhaps the country. These natural resources, which have many apparent or not apparent functions, are facing economic development pressures in recent years. With quality and rational forest management, these benefits can be gained much more publicly. Forest rotation, silviculture studies, economic value determination, and rational forest management taking all these into account can provide this. The Faustmann approach made essential contributions to natural resource management and especially to the economic analysis of mountain -forest ecosystems in the middle of the 19th century, Highlighting the importance of the forest area's regeneration process, Faustman gave important opinions to decision -makers about when the timber value will be suitable for rotation. Hartman developed the Faustman approach by stating that the forest area has not only timber value but also non-timber values. In this study. the function of providing carbon securization from the Uludag National Park (UNP) resource values examined both approaches. The basic model where only the timber value is taken into account. According to the first model results, the UNP must be subjected to rotation at intervals of 44 years. UNP reaches its current net value of 956 USD/Ha in 44 years. In the second model. the stand value increased to 3827 USD/year per hectare in 52 years with carbon securization benefit.Publication Resource use efficiency of organic wheat production in Turkey(Univ Agricultural Sciences & Veterinary Medicine Bucharest, 2019-01-01) Aslak, Esma; Uzel, Gökhan; Gürlük, Serkan; Aslak, Esma; UZEL, GÖKHAN; GÜRLÜK, SERKAN; Ziraat Fakültesi; Tarım Ekonomisi Bölümü; 0000-0002-3159-1769; AAG-8213-2021; ELQ-3401-2022; IRO-9536-2023Intensive cropping techniques, over-mechanized agricultural production, inefficient agricultural chemical use have negatively affected world valuable cropland, which is very important to the mankind. About 38% of Earth's land cover is occupied by agriculture. If unsustainable agricultural methods are pursued, they contribute to inefficient resource use. Organic farming is a good alternative in order to provide sustainability and efficient resource use. Yet, its production is not robust enough to play a significant role in feeding the world. Globally, 1.9 billion adults are overweight and, of those, 600 million are obese, while 793 million people are undernourished. Organic agriculture is discussed if it is the most appropriate option for sustainable agriculture. The current paper seeks to find organic wheat production and its positive impacts to the Turkish economy. In Turkey, there is no organic wheat production yet. We revealed the economic benefits when organic wheat production is partially preferred by examining the resource use efficiency. In other words, the nature of organic farming and conventional farming, what those methods demand from nature and restore to the environment, and their unit economic values constitute the subject of this study.