К Вопросу О Роли Микосимбиотрофических Связей У Древесных Растений В Формировании Устойчивости И Адаптивных Реакций В Условиях Техногенной Нагрузки

Bukharina, I.L.; Vedernikov, K. E.

doi:10.30906/1999-5636-2009-0-76-77

Cited by 5 publications

(6 citation statements)

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“…Основной проблемой XXI века является загрязнение воздушного бассейна крупных городов. На протяжении последних десятилетий ведутся различные работы по изучению воздействия городской среды на растения, а также по изучению роли растений в улучшении качества урбанизированной среды в свя-зи с их способностью поглощать промышленные загрязнения [1][2][3][4][5][6].…”

Section: Introductionunclassified

“…Сходные результаты были получены И.Л. Бухариной с соавт [4]. по г. Ижевску, которые среди основных причин, влияющих на изменение феноритмов древесных растений, называют микроусловия города (искусственное освещение, температурный режим), хотя не отрицает возможности изменения фенофаз под влиянием загрязнения атмосферного воздуха.…”

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The polyvariety of <i>Acer negundo</i> L. individuals development in different conditions of the urbanized environment

Osmanova,

Firulina

2023

Samara Journal of Science

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The paper studies the morphological and rhythmological polyvariety of the female and male A. negundo individuals development in conditionally clean and conditionally dirty habitats. The morphological polyvariety of leaves has been analyzed according to three characteristics: shape, edge and venation. Of the 5 identified leaf forms, elliptical leaves are found with a high frequency. Two forms of the edge of the leaf blade have been revealed one-piece and toothed: female trees have an increase in the occurrence of leaves with a jagged edge; in males growing in a conditionally clean habitat, the leaves were mostly whole-edged, and in a conditionally dirty one toothed. Regardless of the habitat, three types of venation are noted: regular, opposite and mixed. The most common type of venation is mixed. The revealed diversity of leaves in A. negundo, growing in conditionally clean and conditionally dirty habitats according to the three characteristics studied, indicates the manifestation of morphological polyvariety. It is established that the flowering of A. negundo depends not only on weather conditions and the degree of illumination, but also on the location of inflorescences in different tiers of the crown. Even within the same tier, the order of flowering of inflorescences is not the same. The rhythmological polyvariety of the phenophases of A. negundo flowering manifests itself in the asynchrony of flowering, this is due to the peculiarities of individuals of the generative period and is of great biological importance for this species. Apparently, atmospheric air pollution can accelerate phenophases, so male A. negundo individuals in a conditionally dirty habitat bloomed earlier than in a conditionally clean habitat.

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Section: Introductionunclassified

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The polyvariety of <i>Acer negundo</i> L. individuals development in different conditions of the urbanized environment

Osmanova,

Firulina

2023

Samara Journal of Science

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“…Т. 11, № 4 адаптивными возможностями, расширяется ассортимент городской флоры за счет интродукции новых видов растений [1]. При исследовании существующего видового состава дендрофлоры городской среды выявляется широкое применение интродуцентов в озеленении зеленых насаждений.…”

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A geographical analysis of the dendroflora of Cheboksary in the greening system of the city

Samokhvalov¹,

Arsentiev²,

Sinichkin³

2022

Samara Journal of Science

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The paper presents the results of the geographical analysis of the dendroflora of Cheboksary. The landscaping system of Cheboksary is represented mainly by woody vegetation, which grows in public areas, in limited-use plantings, as well as along the streets and main highways of Cheboksary. Woody vegetation is represented by 73 species, which, according to the generally accepted systematics of plants, belong to 43 genera and 20 families. The geographical analysis of the dendroflora of Cheboksary is based on archaeological data from various reports. In the dendroflora of Cheboksary, 7 groups of the area have been identified, depending on their natural distribution: 1) aboriginal group, 2) cultural group, 3) hybrid group, 4) North American group, 5) East Asian group, 6) Mediterranean group, 7) European group. The dendroflora of Cheboksary is dominated by introducents, which account for 44 species. The most numerous of the introducers is the East Asian group, which makes up 41% of the total, the North American and European groups 25% each, the Mediterranean group 9%. The geographical composition of the dendroflora, depending on the element of the system of green spaces, showed that the largest number of introducers were identified in public plantings, which were represented by 40 species of trees and shrubs, in limiteduse plantings 29 species, along streets and main roads 28 species. The analysis of the dendroflora by the ratio of hygromorphs has revealed that mesophytes predominate in the dendroflora of Cheboksary 54,7%, xerophytes 17,8%, mesoxerophytes 12,3%.

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“…Для розв'язання проблем, зумовлених зміною ландшафтів та урбанізацією територій, необхідно, насамперед, встановити масштаби впливу трансформованого середовища як на рослинні організми у межах міст, так і на угруповання суміжних міських населених пунктів. Необхідною умовою розв'язання екологічних проблем міст є також розроблення заходів із забезпечення можливості виконання рослинами функцій формування середовища життя людини [12][13][14].…”

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“…Дослідження стану рослин у міському середовищі та особливостей формування рослинами різних життєвих форм середовища життя людини свідчить, що значна роль у вирішенні питання екологічної оптимізації міських населених пунктів належить як міським насадженням, так і приміській зеленій зоні [10][11][12]24]. Ще в середині ХХ століччя Ю. Одум [24] наголошував, що для того, щоб сприймати місто з усією реальністю його проблем, необхідно перенести межі наших активних дій далеко за місто, і лише тоді місто можна вважати екосистемою, якщо враховано його середовище на вході і на виході.…”

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Current state and prospects for the creation of new objects of the nature reserve fund of the Poltava region

Tymoshenko¹

2018

ЗбП

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It has been investigated that the level of plots of land in the Poltava region is 77.3%, which is a prerequisite for the development of methods for assessing the status of protected areas and taking measures to optimize them. It has been revealed that in the network of the nature reserve fund of the region there are 387 objects with the total area of 142.4 thousand hectares, which is only 4.95% of the actual area of the natural reserve fund of the region. It has been determined that objects of local significance prevail in the structure of the nature reserve fund of the studied region. The lowest is the indicator of the territory’s protection in the Poltava and Hrebinky districts, which requires urgent measures to optimize the regional econet. The attention is focused on the green plantations of the cities and adjacent to them forest areas that are part of the buffer zones at the crossroads of regional and national eco-corridors as territories promising to expand the nature reserve fund of the Poltava region.

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К Вопросу О Роли Микосимбиотрофических Связей У Древесных Растений В Формировании Устойчивости И Адаптивных Реакций В Условиях Техногенной Нагрузки

Cited by 5 publications

References 0 publications

The polyvariety of <i>Acer negundo</i> L. individuals development in different conditions of the urbanized environment

The polyvariety of <i>Acer negundo</i> L. individuals development in different conditions of the urbanized environment

A geographical analysis of the dendroflora of Cheboksary in the greening system of the city

Current state and prospects for the creation of new objects of the nature reserve fund of the Poltava region

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