Due to urbanization trend in Durres city, distance between city inhabitants and nature is increasing. Urban greenery is one of the methods to bridge this gap between people and nature. The study results were performed with the cooperation of EPER Center, professors and students of Durres “Aleksander Moisiu” University. It was focused in the estimation of O2 release from green surfaces at different areas of Durres city. The results achieved were carried out by field visits, the use of the GIS method and calculations performed based on various standard manuals. According to the results, it was concluded that the total amount of O2 release from green surfaces was 64420 kg/year or 64.4 t /year. It was also calculated that the available green surface for a resident in Durres city is only 1.05 m2 out of required 9 m2 per capita. Based on the needs of the population and the EU standards, this study suggests that the amount of O2 release should be 1.49∙ 108 kg/year or 1.49. 5∙ 105 t/year. The needed costs to be invested to achieve this O2 amount, is about 47 .65 billion ALL. Finally, it can be concluded that the low number of trees in Durres city, requires urgent provisions to improve air, and life quality of Durres citizens.
The presence of pathogenic microbes in food is a serious global problem. Irradiation, as an effective method, destroy pathogens reducing threat that come by uncontrolled food. In this paper we have treated irradiation of animal foods and its effect, to decrease total microbial load on them. Foods were irradiated with a gamma irradiator GU-3 (Cs-137 source) with the rotation technique. Uniformity dose rate used was 106 % and average dose rate 4.68 Gy/min. According to standards, doses used to irradiate food varied from 0 to 5 kGy. From experimental results it was observed that with increasing absorbed dose, total microbial load was reduced with some orders. Variation of log N / N0 (N-total microbial load of irradiated food and N0 of non-irradiated food) with dose, was approximated linearly. Based on this variation was defined D10, as the dose that cause "death" of about 90 % of microbes in food (log N/N0= -1). D values found experimentally had a good correspondence with them defined theoretically (D10 = |1 / slope|).
In recent years the urban population in Durres city has grown exponentially, leading to an increase of CO2 and consequently contributing on a large scale to climate change. Urban trees are basic to sequester CO2 emissions as they incorporate carbon in their biomass. The amount of C02 sequestration from green surfaces in Durres city was 50.13 ∙ 106 kg/year instead of 116.35 ∙ 106 kg/year that it should be. Increasing the amount of green vegetation, the energy that can be stored will be 3.7 ∙ 105 MWh compared with the actual value of 162,48 MWh. Consequently, water carrying capacity will be 2321 times more than the amount of water needed to maintain the present public green spaces. These data can be used to help assess the actual and potential role of green trees in reducing atmospheric CO2, a dominant greenhouse gas. This study was conducted under the project “Green lungs for our cities - Alternative and comprehensive platform for monitoring air quality, noise pollution and urban greenery to affect policies at the local level”. Measurements were performed with the cooperation of Eper Center, professors and students of “Aleksander Moisiu” University.
The inspection of noise pollution in urban areas can affect positively the health and welfare of residents. This paper analyzes the noise pollution in high-traffic streets of different areas in Durres Municipality. Measurements carried out by using TESTO 816-1 supply were investigated and compared to see the highest equivalent noise level during morning and night time. The results were evidenced and conclusions were reported. It was found a difference between the average equivalent noise levels of areas/streets monitored. During morning the highest value was observed in the industrial area (Dogana street) with <Leq> = 61.02 dB followed by the commercial area (Adria street) with <Leq> = 59.04 dB and the residential area (Stefan Kaculini - Glaukia street) with <Leq> = 57.6 dB. The highest equivalent noise level during the night was observed in the commercial area (Egnatia street) with <Leq> = 52.04 dB. The findings achieved by this study showed also that noise pollution levels noticed were higher than permissible levels and most of this pollution was caused by vehicle traffic.
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