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Publication year : 2020 ✕Source : Polish Journal of En ... ✕
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A Comparison of Various Ecological Indexes for Environmental Assessment of Vulnerable Mountain Ecosystems

Nurzat TOTUBAYEVA | Kanatbek KOCOBAYEV | Gülbübü KURMANBEKOVA | Ciyde TOKPAEVA

The aim of this work was to compare various ecological indexes to assess the state of urbanized ecosystems of the Issyk-Kul region in the Kyrgyz Republic. Soil samples were analyzed for Pb, Zn, Fe, Cu and Cd using AAS. Heavy metal contamination status was assessed using indexes for enrichment factor, geo accumulation, contamination factor, degree of contamination, pollution load, potential ecological risk and integrated risk using the Triad approach. Results show marked variations of heavy metal concentrations within the study area. The concentrations of heavy metals in soils of Issyk-Kul had ...More

Article 2020 Mühendislik Fakültesi Polish Journal of Environmental Studies29 ( 4 ) 97 Views
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Using the Turkish Red Pine Tree to Monitor Heavy Metal Pollution

İbrahim İlker ÖZYİĞİT

Turkish red pine is an evergreen tree species widely distributed in the Aegean and Mediterranean regions in Turkey. In the present work, the heavy metal pollution level in Istanbul was investigated using Turkish red pine as a biomonitor. For determining heavy metal concentrations (Cd, Co, Cr, Mn, Ni and Pb) in leaf (unwashed and washed) and bark samples of Turkish red pine and its co-located soil samples we used ICP-OES. Additionally, particulate matter profiles of the research areas were investigated. The samples were collected from 5 different localities: 4 from the Bosporus region (Yildiz G ...More

Article 2020 Fen Fakültesi Polish Journal of Environmental Studies29 ( 5 ) 69 Views
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Agronomic Performance of Spring Barley Cultivars under Different Eco-Environmental Conditions

Bircan USUBALİYEV | Gülbübü KURMANBEKOVA | Kadırbay ÇEKİROV | Nurzat TOTUBAYEVA

In this study, five agronomic traits of 29 barley accessions were evaluated in different agro-environmental conditions. Accessions represented cultivars from Kyrgyzstan, Ukraine, and the Nordic and Baltic countries as well as landraces from northeastern and eastern Russia. The field experiments were carried out in two countries (Latvia and Kyrgyzstan) in order to select the suitable genotypes or cultivars as a source for Kyrgyz barley breeding programs. Among the accessions studied, we found material that can be used in Kyrgyz breeding as potential sources of earliness, spike length and TKW. A ...More

Article 2020 Fen Fakültesi Polish Journal of Environmental Studies29 ( 6 ) 67 Views
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Reducing Concentrations of Benzo(a)pyrene in Gas Phase Soot Particles by Using and Burning Water Fuel Emulsions

Kubat KEMELOV | Zarlık MAYMEKOV

In this study, benzo(a)pyrene-water-oxygen systems were investigated in wide ranges of change of temperature value and initial components to predict in which conditions benzo(a)pyrene degraded into more harmful substances. Consequently, the thermodynamic parameters of the benzo(a)pyrene-water-oxygen system were calculated and the concentration distribution of carbon, hydrogen and oxygen-containing particles in the gas phase were established. Adding water into the system allowed decreasing of carbon and acetylene. These elements are the key elements of benzo(a)pyrene formation. According to thi ...More

Article 2020 Mühendislik Fakültesi Polish Journal of Environmental Studies29 ( 4 ) 125 Views
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