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Structural Characteristics of Rosa Iliensis Chrshan. under Conditions of the Floodplains of the Rivers Ili and Sharyn

Childibayeva Assel, Ametov Abibulla, Kurbatova Natalia Vladimirovna, Akhmetova Aigul, Tynybekov Bekzat Makulbayevich, Mukanova Gulzhanat Amangeldykyzy

Journal of Ecological Engineering

2022

Vol. 23, nr 1

296--304

The article provides brief geobotanical characteristics of plant communities of three populations of R. iliensis Chrshan. found in the floodplains of the Ili and Sharyn rivers, as well as presents the morpho-anatomical structure of vegetative organs (stem and leaf) of the species under study. R. iliensis Chrshan. is undoubtedly a rare, endangered species of the flora of Kazakhstan. Its distribution area is shrinking from year to year as a result of the anthropogenic pressure on the environment. The biometric indicators of vegetative organs in the samples collected from populations 1 and 2 were approximately the same. The indicators of the samples collected from population 3 differed substantially. This is a completely natural process, since there are substantial differences in the climatic conditions of the upper and lower parts of the basin where the Ili River flows: a sharp increase in temperature and a decrease in precipitation from high to low hypsometric levels of the basin. Moreover, there is a gradual aridization of the territory from east to west. Naturally, this entails a change in both soil and vegetation cover as well as leaves its mark on the morpho-anatomical structure of vegetative organs. With this in mind, the authors recommend continuous monitoring of the state of the populations at the three sites where R. iliensis Chrshan. was found.

Study of the Effect of Rocket Fuel on Plant Communities Growing at Sites of Launch Vehicles Separating Parts Fall

Atygayev Anuar Bulatovic, Mukanova Gulzhanat Amangeldykyzy, Bazarbayeva Tursynkul Amankeldievna, Kurbatova Natalia Vladimirovna, Zubova Olga Aleksandrovna, Yerekeyeva Svetlana

Journal of Ecological Engineering

2021

Vol. 22, nr 8

172--181

The article presents the results of a study of synthesis and accumulation of heptyl in the plants growing on the soil contaminated with rocket fuel. The study was carried out under laboratory conditions of al-Farabi Kazakh National University. The results of the experiments confirmed that certain concentrations of a rocket fuel-heptyl (unsymmetrical dimethylhydrazine, UDMH) are not toxic for the crested wheatgrass, Agropyron pectiniforme Roem.et Schult., Kentucky bluegrass, Poa pratensis L., and tarragon, Artemisia terraе-albaе Krasch., although they can cause anatomical and morphological changes in the roots and leaves of the plants grown on the soil contaminated with UDMH. The changes in the morphological structure of plants under the influence of UDMH (in particular, in the outer tissue that protects the plant organs from drying out, temperature effects, mechanical damage and other adverse factors) can lead to an imbalance in water metabolism and gas exchange, a deterioration in the absorption and release of water, and the cessation of intake from the soil of both beneficial and harmful substances.