Accumulation of heavy metal pollution caused by traffic in forest trees in the park of Kerey and Janibek Khans of the city of Nur-Sultan, Kazakhstan

Ayan S. Sarsekova D. Kenesaryuly G. Yilmaz E. Gülseven O. Şahin İ.
2021 Czech Academy of Agricultural Sciences

Journal of Forest Science
2021 #67 Issue 7 357 - 366 pp.

Air quality in Nur-Sultan, the fast-growing new capital city of Kazakhstan, has been poorly investigated. This research was carried in Kerey and Janibek Khans Park in Nur-Sultan, the capital city of Kazakhstan, which is affected by “different traffic density” on the roads. Three different categories of contamination (i) high pollution (distance from the main road 10–15 m), (ii) moderate pollution (distance from the side road 15–30 m), and (iii) low pollution (distance from the source of contamination 30–80 m) at different levels resulting from urban transportation were examined. The aim of the study is to determine the pollution accumulation amounts of Ni, Cd, Pb, Cr, Li, Co, Fe, and Zn in five different tree species: Norway spruce (Picea abies /L./ H. Karst.), blue spruce (Picea pungens Engelm.), Scots pine (Pinus sylvestris L.,), Siberian larch (Larix sibirica Ledeb.), and silver birch (Betula pendula Roth). Significant differences in Ni, Cd, Pb, Cr, Li, Co, Fe, and Zn accumulation amounts were determined between three different parts of the park exposed to different levels of contamination. Approximately twice higher Ni, 2.3 times Cd, 3.3 times Pb, 2.7 times Co, 1.6 times Zn accumulation were determined in the area exposed to high pollution than in the parts of the park exposed to low pollution. Cd deposition in the area exposed to high contamination was higher in silver birch than in Scots pine and Norway spruce, while Cr and Co deposition values were higher in Norway spruce than in birch and Scots pine.

Anthropogenic emission , Contamination , Heavy metals , Norway spruce , Scots pine

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Silviculture Department, Faculty of Forestry, Kastamonu University, Kastamonu, Turkey
S. Seifullin Kazakh Agro Technical University, Faculty of Agronomy, Forest Resources and Forestry, Nur-Sultan, Kazakhstan
Sustainable Forestry Doctoral Programme, Institute of Science, Kastamonu University, Kastamonu, Turkey
Forestry and Natural Turism Specialization Coordinatorship, Kastamonu University, Kastamonu, Turkey

Silviculture Department
S. Seifullin Kazakh Agro Technical University
Sustainable Forestry Doctoral Programme
Forestry and Natural Turism Specialization Coordinatorship

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