Ecology, Environment and Conservation Paper

Vol 24, Issue 3 2018; Page No.(1027-1032)

DETERMINATION OF TAXATION INDICATORS AND CARBON AND NITROGEN SEQUESTRATION OF PHYTOMASS OF SCOTS PINE (PINUS SYLVESTRIS L.) IN THE GREEN BELT OF THE CITY OF ASTANA

Assel R. Tumenbayeva, Dani N. Sarsekova and Stanisaw Maek

Abstract

The article shows results of research on the growth and chemical analyses of main parts of wood from Scots pine plots of land, located in the green belt city of Astana. A correlation between the main taxation indicators and carbon, nitrogen and sulfur contents in various parts of scot pine tree. Currently, Astana’s green belt consists of plantations with different types of trees. Among them, the scot pine possesses the highest carbon reduction potential. In order to measure the taxation indicators and to collect plantation samples, trial plots of pine were established. The height of plantations on the trial plots averaged from 5.8 m to 8.4 m and the diameter of the trunk ranged from 7.7 cm to 8.8 cm. The correlation between plant height and stem diameter was 0.745. The amount of carbon was 50.03 to 51.33%, and the amount of nitrogen and sulfur was from 0.07 to 1.04% and from 0.05 to 0.11% respectively. Thus, the study of the chemical composition of the pine plantations showed that the greatest content of chemical elements, such as carbon, nitrogen and sulfur, was in tree needles. The accumulation of carbon in the above-ground biomass varied from 2.9 to 4.8 t/ha. Thus, plantations of Pinus sylvestris L. in the green belt of the city of Astana were sequestrated 973.3 tons of carbon up to now.

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