Articles by Hakan Sevik
 
ORIGINAL RESEARCH

The Usability of Scotch Pine (Pinus sylvestris) as a Biomonitor for Traffic-Originated Heavy Metal Concentrations in Turkey
Burak Aricak, Mehmet Cetin, Ramazan Erdem, Hakan Sevik, Hasret Cometen
Pol. J. Environ. Stud. 2020;29(2):1051–1057
DOI: https://doi.org/10.15244/pjoes/109244
 
Abstract
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ORIGINAL RESEARCH

Changes in Heavy Metal Accumulation Depending on Traffic Density in Some Landscape Plants
Aydin Turkyilmaz, Hakan Sevik, Mehmet Cetin, Elnaji A. Ahmaida Saleh
Pol. J. Environ. Stud. 2018;27(5):2277–2284
DOI: https://doi.org/10.15244/pjoes/78620
 
Abstract
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ORIGINAL RESEARCH

Relationship between Enzyme Activity (Urease-Catalase) and Nutrient Element in Soil Use
Inci Sevinc Kravkaz Kuscu, Mehmet Cetin, Nurcan Yigit, Gamze Savaci, Hakan Sevik
Pol. J. Environ. Stud. 2018;27(5):2107–2112
DOI: https://doi.org/10.15244/pjoes/78475
 
Abstract
Article (PDF)
 
ORIGINAL RESEARCH

The Effect of Some Indoor Ornamental Plants on CO2 Levels During the Day
Hakan Sevik1, Mehmet Cetin2, Kerim Guney3, Nur Belkayali2
Pol. J. Environ. Stud. 2018;27(2):839–844
DOI: https://doi.org/10.15244/pjoes/76243
 
Abstract
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ORIGINAL RESEARCH

The Influence of House Plants on Indoor CO2
Hakan Sevik1, Mehmet Cetin2, Kerim Guney3, Nur Belkayali2
Pol. J. Environ. Stud. 2017;26(4):1643–1651
DOI: https://doi.org/10.15244/pjoes/68875
 
Abstract
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ORIGINAL RESEARCH

Measuring the Impact of Selected Plants on Indoor CO2 Concentrations
Mehmet Cetin1, Hakan Sevik2
Pol. J. Environ. Stud. 2016;25(3):973–979
DOI: https://doi.org/10.15244/pjoes/61744
 
Abstract
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ORIGINAL RESEARCH

Effects of Water Stress on Seed Germination for Select Landscape Plants
Hakan Sevik1, Mehmet Cetin2
Pol. J. Environ. Stud. 2015;24(2):689–693
DOI: https://doi.org/10.15244/pjoes/30119
 
Abstract
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ORIGINAL RESEARCH

Effects of Forests on Amounts of CO2: Case Study of Kastamonu and Ilgaz Mountain National Parks
Hakan Sevik1, Mehmet Cetin2, Nur Belkayali2
Pol. J. Environ. Stud. 2015;24(1):253–256
DOI: https://doi.org/10.15244/pjoes/28691
 
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