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  5. GROWTH AND SURVIVAL OF DESERT PLANTS IN THE GREEN ZONE OF THE CITY OF ASTANA

GROWTH AND SURVIVAL OF DESERT PLANTS IN THE GREEN ZONE OF THE CITY OF ASTANA

Section

Ecology

Title

GROWTH AND SURVIVAL OF DESERT PLANTS IN THE GREEN ZONE OF THE CITY OF ASTANA

Сontributors

S.        A. Kabanova, Cand. of Biol. Sc., Head of the Department at the Kazakh Scientific Research Institute of Forestry and Agroforestry, city Tsuchinsk, Kazakhstan, This email address is being protected from spambots. You need JavaScript enabled to view it.,

M. A. Danchenko, Dr. of Biol. Sc., Professor, Head of Department at the Biological Institute of Tomsk State University, This email address is being protected from spambots. You need JavaScript enabled to view it.,

P. F. Shakhmatov, Junior Researcher at the Kazakh Scientific Research Institute of Forestry and Agroforestry, This email address is being protected from spambots. You need JavaScript enabled to view it.,

V. A. Bortsov, Junior Researcher at the Kazakh Scientific Research Institute of Forestry and Agroforestry, This email address is being protected from spambots. You need JavaScript enabled to view it.

Abstract

This paper delivers the outcomes of the 2-year research on planting of 3 species of salt tolerant desert plants: Black Saxaul, Branched tamarisk and Nitraria. The average survival rate of Black Saxaul during the first year was 33.7 %, it should be mentioned that there were many doubtful plants. The average sur¬vival rate of Green tamarisk was 30.8 %, while that of Nitraria — 36.1 %. The observation of two-year- old cultures revealed that Black Saxaul died almost completely; its survival rate was 3.8 %. The survival rate of tamarisk gradually decreased over the years with a low survival rate in the year of planting. The survival rate of Nitraria decreased significantly from year to year — from 36.1 to 14.1 %. The average height of the one-year-old cultures of Black Saxaul was 30.3 cm, Nitraria — 29.5 cm, and tamarisk — 32.3 cm. So, it is improper to introduce Black Saxaul into the forest cultures of the green zone of the city of Astana, as it has a low survival rate and small growth. Tamarisk proved to be the most adapted to the local conditions with fairly good survival and growth. When monitoring its growth in older plan¬tations, it was revealed that tamarisk suffered from freezing of top shoots; therefore, for its further wide¬spread introduction into the cultures, longer-term observations are required. Nitraria is the least orna¬mental plant of the studied desert plants, and the survival rate was very low, so to consider it as a species for forest cultures is impossible.

Keywords

desert plants, conditionally forest soils, survival, forest cultures, suburban forest

References

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