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Öğe Investigation of ecotoxicological effects of 2,4-D acid herbicide on the ecosystem(2011) Özdemir C.; Kalipci E.; Öztas H.2,4-D Acid (Dichlorophenoxy acetic acid) is a herbicide which is commonly used for agricultural protection in our country. However, the scope of environmental and ecological problems that 2,4-D acid may cause is not known in detail. The ecotoxic studies showed that the usage of 2,4-D causes soft tissue sarcomas in human beings, increase in neoplastic variations in organs such as stomach, pancreas, lung, skin and urinary bladder, decrease in the number of sperms in males and increase in the risk prostate cancer. Moreover, the studies showed that 2,4-D is directly or indirectly effective on all organisms present in aquatic environment such as birds, insects, fish and algae by mixing into the air, soil and water and has some toxic effects on ecosystem depending on this. For this reason, it's very important to raise awareness of public about the unawareness usage of 2,4-D resulting in ecologic risk factors. It seems as an obligatory to raise awareness of public about the usage of this pesticide and to bring new arrangements about its usage in our country. © IDOSI Publications, 2011.Öğe Noise pollution measurements of Giresun city center at the black sea border(2007) Kalipci E.; Dursun Ş.; Ozdemir C.Recently, the noisy problem is increasing parallel to the improvement of the technology, which arises in the developed countries and makes the life difficult. It is recently one of crucial environmental problem that it is a sort of pollution, still least known and least struggled in our country. However, the investigations carried out on noise pollution have brought up that the matter is a problem of public health gaining importance increasingly. The aim of this study was noisy measurements, both to determine the noisy level of the Giresun City and to attract attention the noisy pollutions exposed in the centre centre. Based on the measurements of the noise level in the Giresun City, the charts were prepared in such way that they showed the noisy level of the streets, the districts, and the industries and it has been found that limit values were exceeded in the most spots.Öğe Research on misconceptions of 11spi_supthspii_sup class students about the subjects of adhesion, cohesion and water intake in plants(2013) Oztas F.; Akay M.; Kalipci E.; Gokler I.; Oztas H.It is well known that pupils usually have some sort of misconception (alternative view) about plants' sucking of water and water solute substances from soil. How pupils are pretend pupils the physical, chemical and biological events during sucking process water and water solute substances via roots is a debatable subject of biology education. For this, the aim of this research has been designated as to work out how 11 th grade secondary school pupils comment have been occurring physical, chemical and biological events during sucking process water and water solute substances in plants. As the space of present research were Tavsancali{dotless} Secondary School 11th grade pupils (Kulu-Konya-Turkey). A questionnaire prepared in the light of present literature knowledge cover totally 10 open, 4 closed ended questions has been applied to pupils. The findings of this study have been shown that pupils were having some sort of misconceptions about plants' sucking water and water solute substances by plants. In the light of guidance of these findings it is possible to advice that on the base of constructive teaching techniques the concept of plants' sucking water and water solute substances should be evaluated and should made more meaningful for pupils. © Sila Science.Öğe Road traffic noise pollution measurements of trabzon city centre at black sea border(2007) Kalipci E.; Dursun Ş.; Ozdemir C.Recently, the effect of noise pollution appeared due to noise increasing from highway transportation, especially, the great majorities of the people living in city centers. Identifying the noise levels have gained great importance in terms of planning of the cities, regions, industries and our being informed how degree the noisy pollution have influenced our daily life. Development plans performed in our country have been carried out without taking into consideration the factor of noise pollution. One of the biggest reasons of it has also resulted from not being available data, adequate and healthy. Therefore, with this study carried out, it has been attempted to determine how degree the people have been influenced from the noise. On the main streets and arteries in Centrum of Trabzon, making noise measurement for totally 100 spots, some charts showing the noisy levels in the city were prepared. It has been found that, on all spots, where the noise measurements were performed, limit values were exceeded, and the noisy levels had reached the size threatening the human health. In this study, it has been suggested that the results obtained were harmful regarding to human health and the measures to be taken were briefly indicated.
