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Kentlerde Yeşil Alanların Yeterliliğinin ve I-Tree Canopy ile Hava Kalitesine Olan Katkılarının Belirlenmesi: Denizli Merkez İlçeleri ve Kent Merkezi Örneği Texto completo
2023
Duygu Doğan | Murat Zengin | Sinem Özdede | Fırat Çağlar Yılmaz
Çalışmanın amacı Denizli kent merkezi ve yakın çevresinde bulunan yeşil alanların yeterliliğinin ve kentin hava kalitesini arttırmaya yönelik sağladığı hizmetlerinin ölçülmesidir. Bu bağlamda çalışma alanı olarak Denizli merkez ilçeleri (Pamukkale ve Merkezefendi) ve kent merkezinde yer alan yeşil alanlar değerlendirme kapsamında ele alınmıştır. Yeşil alanların yeterliliği; alanın erişilebilirliği ve mahallelerin nüfus oranı çerçevesinde irdelenmiştir. Öte yandan yeşil alanların, hava kalitesinin bazı kriterleri üzerinde sağladığı faydalar “i-Tree Canopy” yazılımı aracılığıyla tahmin edilmiştir. Analiz sonuçlarına aktif yeşil alanlardan sadece iki tanesine erişilememektedir. Çalışma alanı sınırları içerisinde bulunan 111 mahalle içerisinde sadece 11 mahallede kişi başına düşen yeşil alan miktarının yeterli sınırın üzerine çıktığı tespit edilmiştir. Bunun yanı sıra aktif yeşil alanların yıllık yaklaşık 4.717.371 ton karbon monoksit, 28.032.093 ton Azot Dioksit, 276.147.567 ton ozon, 21.727.132 ton Kükürt Dioksit, 12.564.544 ton PM 2,5, 55.519.883 ton PM10 uzaklaştırdığı, 181.805 ton karbondioksit tutulduğu ve 213.603 ton karbondioksit depolandığı tespit edilmiştir. Çalışma ile Denizli kent merkezindeki yeşil alanların sosyal açıdan yeterlilikleri değerlendirilirken, kente olan ekolojik ve ekonomik katkıları da ortaya konulmuştur. Yapılan değerlendirmeler mevcut durumu ortaya koyarken kent planlama çalışmalarına da katkı sağlayacaktır.
Mostrar más [+] Menos [-]Artvin Merkez İlçe ve Yakın Çevresinde Heyelan Duyarlılığının Analitik Hiyerarşi Yöntemi ile Belirlenmesi Texto completo
2023
Manolya Özdemir Durak | Tevfik Hakan Altınçekiç
Heyelanlar, tıpkı diğer afetler gibi dünyada ve Türkiye’de yüksek can ve mal kayıplarına neden olan ancak doğru arazi planlaması ve önlemlerle zararı en aza indirilmesi mümkün doğa olaylarıdır. Heyelan olayları Türkiye’de arazinin eğimli yapısı, yağışlı iklim koşulları, yanlış arazi örtüsü kullanımları gibi faktörlerin etkisi ile Karadeniz Bölgesi’nde sıklıkla yaşanmaktadır. Çalışma alanı olarak belirlenen Artvin Merkez İlçe ve yakın çevresi, içinde bulunduğu Karadeniz Bölgesi ile benzer şekilde sahip olduğu topografik yapı, iklim koşulları, yoğun yapılaşma, hidroelektrik santraller, maden sahaları, barajlar ve yol yapım çalışmalarının etkisi altında sıklıkla heyelanların yaşandığı bir bölgedir. Bu noktadan hareketle, çalışma kapsamında Analitik hiyerarşi süreci (AHP) ile Coğrafi Bilgi Sistemleri (CBS) kullanılarak alanı ile birlikte alandaki mikro havzaların heyelan duyarlılığının belirlenmesi ve heyelan duyarlılığı yüksek alanlar için heyelan riskini azaltmaya yönelik çözüm önerileri geliştirilmesi hedeflenmiştir. Yapılan analizler sonucunda çalışma alanının yüzölçümünün %48,55’inin orta düzeyde %46,21’inin ise yüksek düzeyde heyelan duyarlılığına sahip olduğu belirlenmiştir. Aritmetik ortalama ile oluşturulan mikro havzalar düzeyinde haritalara göre ise çalışma alanında yüksek heyelan duyarlılığına sahip 230 mikro havza yer almaktadır. Alanda belirlenen heyelan duyarlılıkları göz önünde bulundurulduğunda, heyelan riskinin azaltılması için alan kullanım planlama kararları alınırken heyelan duyarlılık analizleri ve haritaları dikkate alınmalıdır.
Mostrar más [+] Menos [-]Şırnak İli ve İlçelerinin Tarımsal Mekanizasyon Düzeyi Texto completo
2023
Muhammed Cemal Toraman
Güvenilir gıdaya sürdürülebilir koşullarda ulaşılabilmesi için değişen dünya ve çevre koşullarında tarımsal üretim yapılması, teknolojik ve mekanizasyon kullanımını daha önemli hale getirmiştir. Bu çalışmada Şırnak ilinin tarımsal mekanizasyon düzeyi araştırılarak Türkiye ortalaması ile karşılaştırılmıştır. Türkiye İstatistik Kurumu istatistiki verilerine dayanarak traktör sayısı, tarım alet ve makineleri sayısı ile tarımsal mekanizasyon düzeyi göstergeleri hesaplanarak özetlenmiştir. 2012-2022 yılları arasında Şırnak ili ortalama mekanizasyon verilerine göre, kullanılan tarım alanlarında %12, traktör güç değerlerinde %16 oranında artış gerçekleşmiştir. Birim alana düşen güç 0,66 kW ha-1, 1000 ha alana düşen traktör sayısı 18,72 olmuştur. Bir traktöre düşen toplam alan 53,43 ha olurken, traktör başına düşen alet makine sayısı 3,78 olarak bulunmuştur. Şırnak ilçeleri arasında mekanizasyon düzeyi yönünden en iyi sonuçları Cizre ilçesi verirken, Uludere ve Beytüşşebap ilçeleri düşük mekanizasyon değerlerine sahip verileri ile sonuçlanmıştır. Ayrıca Şırnak ili mekanizasyon verileri, bölge illeri ile benzer mekanizasyon sonuçları vermiştir. Ortalama traktör güç değeri 47,03 kW olarak, Türkiye ortalamasından daha yüksek sonuçlar oluştururken, diğer mekanizasyon parametreleri bakımından düşük mekanizasyon sonuçlarına sahiptir. İki ülkeye sınırı bulunan ilin tarımsal potansiyelini arttırmak için mekanizasyon düzeyinin en kısa sürede yükseltilerek işletme refah seviyesi arttırılmalı ve bölge kalkınması desteklenmelidir.
Mostrar más [+] Menos [-]Investigation of Leaf Gas Exchange Parameters of Several Chestnut Population Seedlings at the End of the Growing Season Texto completo
2023
Uğur Cantürk | Hatice Çobanoğlu | Fadime Beyazyüz | İsmail Koç
Changes in temperature and precipitation due to global climate change negatively affect plant species' growth, development, and adaptation to new places. However, genetic structure is the most critical criterion for determining a species's potential to adapt to changing environmental conditions. Monitoring gas exchange parameters in plants is the simplest way to monitor physiological changes in plants under changing environmental factors. Among species, the Anatolian chestnut (Castanea sativa) is native and economically important tree species (fruit and wood production). It is naturally distributed from the north side of Turkey, Marmara, and Western Anatolia. However, the Anatolian chestnut is one of the most affected tree species by global climate change. In this study, numerous Anatolian chestnut populations (3 years old) were used to determine leaf gas exchange parameters at the end of the growing season in Düzce. Stomatal conductance (gs), transpiration rate (E), net photosynthetic rate (Anet), and other parameters were measured. As a result, the leaf gas exchange parameters of chestnut populations changed significantly based on the populations. Marigoule population seedlings had 2-fold Anet values compared to the Ibradı population. Regarding gs, the differences between populations (Erfelek and Ibradı) changed approximately 2.5 folds and the differences (Erfelek and Ibradı) increased more than 3 folds in terms of E values. It can be said that Marigoule and Erfelek populations can adapt more to Düzce climate conditions than other populations. In contrast, Ibradi population seedlings have a low adaptation mechanism in terms of gas exchange traits.
Mostrar más [+] Menos [-]The Effect of Different Lime Forms on Cadmium Uptake of Durum Wheat Varieties Texto completo
2023
Özlem Ete Aydemir | Mehmet Akgün | Halil Erdem | Kürşat Korkmaz | Faruk Özkutlu
Cadmium (Cd) accumulation in durum wheat (Triticum durum L.) and its human transport with food chain is a major environmental issue worldwide. The research was based on a pot experiment conducted on fifteen durum wheat cultivars, grown on acid soil pH 5.2. The effect of application of two different lime form (lime1=CaO; Calcium oxide and lime2=CaCO3; limestone) and on shoot dry weight and shoot concentrations of cadmium (Cd). Durum wheat cultivars were grown in strongly acid soil pH 5.2 treated with control (lime0), lime1 (CaO3 g kg-1 soil), lime2 (5.36 g CaCO3) and Cd (5 and 10 mg kg-1 soil) and harvested after 62 days of growth under greenhouse conditions. Durum wheat cultivars without lime fertilization caused decrease in shoot growth, in all durum wheat cultivars and at high Cd treatment. On the other hand, application of lime to the soil resulted in an increase in dry matter yield at both Cd5 and Cd10 doses. While average shoot dry matter yield of lime0 conditions of cadmium 10 dose was 47 mg plant-1, this yield increased to 120 mg plant-1 in lime1 application and to 111 mg plant-1 in lime2 application. Shoot Cd concentrations of durum wheat varieties caused a statistically significant decrease with lime1 and lime2 applications, whereas lime0 and lime2 applications of Cd5 dose caused 46% and 30% decrease in average Cd concentrations, respectively. The results indicated that all durum wheat cultivars were more susceptible to both without lime and Cd toxicity as compared to lime treatment. Cadmium toxicity in the shoot was relieved by lime1 and lime2 treatment. The results indicate that lime protects plants from Cd toxicity in durum wheat cultivars.
Mostrar más [+] Menos [-]The Effect of Vermicompost Application on Yield and Nutrient Concentration of Oily Rose Texto completo
2023
Fatih Kural | Ali Coşkan
In the study, the impact of employing vermicompost to boost oil rose (Rosa damascena Mill.), a native of Isparta province, to improve yield and nutrient content, was explored. Four different doses (V0: 0 kg ha-1, V1: 1000 kg ha-1, V2: 2000 kg ha-1, and V3: 3000 kg ha-1) of vermicompost were tested in the field conditions at 3 replicates. Vermicompost was applied to the canopy projection area and incorporated into the soil. Flower harvest was started on April 30, 2018, and throughout 20 days, the blooming flowers were collected and weighed daily basis. Following the harvest, leaf samples were collected from the plants, and the concentrations of certain macro and micronutrients were assessed.The study's findings demonstrated that applying vermicompost boosted the yield of oily rose blooms. The greatest yield value was determined to be 5850 kg ha-1 at a vermicompost dose of 2000 kg ha-1, which was 660 kg ha-1 greater than the control application. It was observed that vermicompost treatments had no significant influence on plant nutrient concentrations. This condition is assumed to be related to the removal of minerals from the plant during harvest. The findings indicate that the usage of vermicompost can contribute in the production of oil roses, and a dose of 2000 kg ha-1 can be suggested. This research establishes the feasibility of employing vermicompost in oil rose cultivation and sets the framework for future research.
Mostrar más [+] Menos [-]Youth Knowledge on the Utilization of Edible Insects as Food and Feed Texto completo
2023
Keineetse Emelda Morris | Arnold O Watako | Walter Akuno
The utilization of edible insects as food and feed is not a new concept, it is a practice that has been part of the tradition of many communities around the world. They have been primarily used as supplementary food in most African countries. However, there has been a significant decline in the consumption of insects over the years, especially among young people. Therefore, this study aimed to investigate the knowledge on entomophagy and the utilization of insects among the youth. The study revealed that the majority of youth had limited knowledge about consumption, nutrition, harvesting, preparation and use of edible insects as livestock feed. From the Chi-square analysis it was observed that age and education level have a significant relationship to the familiarity of consumption of edible insects, P=0.014 and P=0.009 respectively. The results also show that there is a significant association between awareness on the nutritional value of insects with age and education level, P=0.001 and P=0.009 respectively. Logistic regression analysis was used to find the association between demographic characteristics, knowledge and the utilization of edible insects. The results revealed that education level, age and knowledge have an impact on the utilization of edible insects. Lack of knowledge contribute to the unwillingness of youth to consume insects. It is noticeable that indigenous knowledge on entomophagy is slowly disappearing with the shift in eating habits and changes in the socio-economic environments. As such, it is imperative that indigenous knowledge is preserved and educational interventions are done to raise awareness on the benefits of entomophagy in order to improve the utilization of insects among the youth.
Mostrar más [+] Menos [-]Shelf-Life Evaluation of a Novel Functional Product from a Blend of Powdered Vegetables Texto completo
2023
Aisha Idris Ali | Virginia Paul | Munir Abba Dandago | Fatima Idris Ali | Daniel Amiteye
Perishable fresh vegetables that do not meet cosmetic standards and other crop waste rich resources are presently wasted. Mangifera indica leaves, Psidium guajava leaves, Petroselinum crispum leaves and Daucus carota were selected as model vegetables to show that they can be converted into a shelf-stable novel functional powdered product. A novel functional product from a blend of these powdered vegetables (FPPV) was formulated. To evaluate the shelf-life of FPPV. The novel functional product from a blend of powdered vegetables (FPPV) was prepared in the Food Science and Nutrition laboratory, Sam Higginbottom University of Agriculture Technology and Sciences, India. The samples were subjected to accelerated stability study maintaining temperature and relative humidity 40°C ± 2°C and 75% ± 5% respectively. Organoleptic, physico‑chemical and microbiological properties of FPPV was analyzed at an interval of 0, 1, 3 and 6 months to check the degradation levels in the formulation. Organoleptic characters showed no significant changes in accelerated stability condition. There were insignificant changes in physico-chemical profiles and product was free from microbial contamination at different intervals of analysis. On extrapolation of the observations the shelf-life of FPPV was found to be 51 months (4 years and 3 months) for climatic zone I & II countries and 34 months (2 years and 10 months) for climatic zone III & IV countries, respectively. The conversion of perishable vegetables and crop wastes into shelf-stable functional food products will reduce food loss and waste in the vegetable industry.
Mostrar más [+] Menos [-]Measuring the Level of Digitalization in Agriculture: Identification Indicators and Scaling to Determine the Digitalization Level of Farmers Texto completo
2023
Hakan Saçtı | İlkay Dellal
Technological developments have accelerated the use of information and communication technologies in the agricultural sector as in all other sectors. However, there is still a lack of information in the literature on measuring the level of digital technology usage by farmers. This study will help to eliminate the lack of information on the indicators and their weights that can be used to determine the level of digitalisation of farmers. The aim of the study is to determine the indicators to be used in measuring the level of digital technology use, the sub-dimensions of these indicators, and the weights of these indicators. The constant-sum scale and expert opinions were used to determine the indicators and their weights to be used in measuring the level of digitalisation. The level of agreement of the opinions expressed by different experts about different digitalisation level indicators and their weights was revealed with the help of Kendall’s Coefficient of Concordance. The study results showed that the indicators of internet access facilities, internet speed, smartphone ownership, mobile internet usage, and the ability to use office programs are important variables in measuring the level of digitalisation. The study determined eight main indicators to measure the level of digitalisation and 96 indicators under them, and their weights were put forward. By using the digitalisation indicators and their weights, it will be possible to measure the level of digitalisation in agricultural enterprises reliably.
Mostrar más [+] Menos [-]Investigation of the Use of Waste Commercial Plant Pulps as Edible Fish Coating Material Texto completo
2023
Emre Yavuzer
In this study, the effects of pulps obtained after cold press oil production was tested as edible fish coating material. It was determined by PV and TBARS values that waste pulp prevented undesirable quality changes due to lipid oxidation. While coating process with black cumin, pumpkin seed and poppy pulp stopped YM development, the lowest TVC values were observed in poppy and black seed groups. Sensory results showed that the use of plant pulps extended the shelf life of rainbow trout fillets, with poppy and black cumin pulps being the most effective groups in terms of odor, taste, texture and general acceptability.
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