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Öğe Aquatic ecosystems and health threats: Case study on the nickel pollution in Gölbaşi Lake in Hatay - Turkiye(Wiley, 2023) Altay, V.; Kara, B.; Yalcin, I.E.; Ozturk, M.Pollutants occur in aquatic ecosystems in dissolved or suspended forms. The polluting particles can move to the bottom as particles, or get spread over wide areas on the surface. The distance traveled by the pollutants in aquatic ecosystems depends on the stability of the chemicals involved as well as their physical state. Lately, human-based activities such as irrigation using wastewater, sludge applications, and mixing of industrial wastewater with agricultural soils are leading to severe pollution of agricultural soils in terms of heavy metals, which, in turn, adversely affects food safety. It is, therefore, necessary to take some precautionary measures to minimize the pollution in aquatic ecosystems in order to protect human health. In this chapter, the threats which cause global water pollution are discussed in detail; especially nickel has been dealt with because its toxic effects and threats have been examined by us. The Gölbaşi Lake in the Hatay province of Turkiye has been chosen as the pilot study area. The water samples were taken from different locations of the lake along with the sediments and total nickel content determined in the rhizome, petiole, and leaves of Nymphaea alba and Nuphar lutea plants, the extent of heavy metal pollution using these plants as bioindicators have been enlightened. The results have revealed that if precautionary measures are not adopted, current pollution will have serious consequences for the Gölbaşi aquatic ecosystem. It can lead to serious adverse consequences for human health. © 2024 John Wiley & Sons Ltd. All rights reserved.Öğe Differentation of human spermatogenetic stem cells from azospermia patients to make sperm-like cells(Oxford Univ Press, 2012) Gozuacik, D.; Vatansever, H. S.; Kara, B.; Calimlioglu, N.; Yasar, P.; Tavmergen, E.; Goker, E. Tavmergen; Semerci, B.; Baka, M.; Ozbilgin, K.Öğe Urban growth pattern of Didim(Ios Press, 2009) Esbah, H.; Kara, B.; Deniz, B.; Kesgin, B.; Maktav, DDidim peninsula is the fattest growing urban area in the Aydin province, Turkey. Since 1990, the Town of Didim has changed significantly after discovered by domestic and international tourist. In spite of the recent rapid LULC change, Didim has not been spoiled compared to other big touristic towns of Turkey. Didim has been announced as "Tourism hot spot" in 2000, thus its planning is overseen by the Ministry of Culture and Tourism. Monitoring of the Didim's development is necessary to guide the Ministry in promoting sustainable planning guidelines. The present work aims to determine the characteristics and the amount of urban growth in Didim by using remote sensing and GIS technology. Already rectified Aster (dated 04/27/2005) and Spot 2X (03/02/1994) images were used as well as the population information, aerial photographs, city plans and thematic maps from previous studies. Object oriented classification technique is employed. Some complementary information is extracted from aerials and maps by on-screen digitization. Total of 16 LULC categories are defined. After, putting all information in the GIS database, the pattern of landscape change in Didim is described by using selected landscape metrics. The case study of the Town of Didim offers a good example of the impact of national policies on land use dynamics at local landscape scale. The findings indicate three simultaneous key trends: loss of coniferous forests, the thinning of the maqui vegetation cover, and intensification of urban areas on valuable class II type of soils. Identified trends have significant consequences in terms of the response that ecosystems have given to these anthropogenic landscape alterations. A strategy to promote sustainable land use management should be generated timely manner.
