Projected Kuialnytsky National Nature Park as a basis for optimization of the environment and sustainable development of the region

Dubyna, Dmytro; Еннан, А. А.; Dziuba, Tetiana; Vakarenko, L.P.; Shykhaleyeva, G.M.; Kiryushkina, A.М.

doi:10.15407/ukrbotj75.05.457

Cited by 5 publications

(10 citation statements)

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“…Localized ecological systems are known to pass dramatically and irreversibly from one state to another when they forced to cross critical thresholds; it highlights the need to improve biological forecasting by identification of early warning signs of critical transitions at global as well as regional scales (Barnosky et al, 2012;Asif et al, 2018). Nowadays, the valley of the Liman Kuyalnik is in a state of ecological disaster (Dubyna et al, 2018b;Ennan et al, 2018). The established relationships in ecological differentiation of plant communities will be applied to further monitoring of the biodiversity state, preservation and possible restoration of vegetation types that are, or were, native for this unique territory.…”

Section: Discussionmentioning

confidence: 99%

“…On the slopes of the estuary valley, large areas of native steppe vegetation have remained, and on the shore areas sites of halophytic vegetation are located. In 2016-2018, surveys of the liman valley vegetation were carried out, as a result of which a large variety of plant communities was detected and their syntaxonomic structure (Dubyna et al, 2017a(Dubyna et al, , 2018a and special features of territorial differentiation were found (Dubyna et al, 2017b(Dubyna et al, , 2018b.…”

Section: Introductionmentioning

confidence: 99%

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Features of ecological differentiation of halophytic, steppe and petrophytic vegetation in the valley of the Liman Kuyalnik (Odesa Oblast)

et al. 2019

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Assessment of key environmental factors that influence vegetation distribution and formation of plant communities is one of the most important challenges in modern phytocenology. Nowadays, several bioindication systems are applied to determine ecological specificity of plant communities and to establish the leading factors for their environmental differentiation. The system most widely used in Europe, that of H. Ellenberg, contains a numerical score on 6 ecological factors. On the example of vegetation of the valley of the Liman Kuyalnik, Y. Didukh developed the synphytoindication method based on evaluation of phytocenoses with respect to 12 ecological factors: 7 edaphic factors and 5 climatic factors; the method determines a more accurate and complete presentation of the analysis. In the valley of the Liman Kuyalnik (Odesa Oblast) the largest area is covered with halophytic and steppe vegetation. Halophytic vegetation (Therosalicornietea, Festuco-Puccinellietea classes, Juncetea maritimi, Bolboschoenetea maritimi) predominated in the shoreline areas of the valley, whereas steppe (Festuco-Brometea) and petrophytic (Sedo-Scleranthetea) vegetation dominated on the slope sites. With the application of DCA-ordination and synphytoindication methods it was established that distribution of plant communities in the hyper-space of the environmental conditions was most strongly correlated with edaphic factors, whereas microclimatic (light intensity) and climatic (thermo-regime) conditions had somewhat less influence on their differentiation. Water regime and level of soil salinity served as key factors for syntaxa of halophytic vegetation; moisture variability and salt regime, as well as soil moisture and carbonate content were key factors for the steppe vegetation, and thermo-regime was the main factor for petrophytic-steppe and petrophytic vegetation. The "eco-spaces" of these groups largely overlap. Halophytic cenoses are characterized by quite wide ecological ranges by most ecological factors. Steppe communities show much less ecological diversity. In the valley of the liman, all the steppe communities were characterized by stenotopicity in relation to most ecological factors; these factors complexly determine the specificity and diversity of biotopes within the valley, which are unique and require protection and the taking of appropriate measures, depending on the changes in activity of one or another limiting factor. Nowadays, the valley of the Liman Kuyalnik is in a state of environmental disaster. The established relationships in ecological differentiation of plant communities will be applied to further monitoring of biodiversity state, preservation and possible restoration of vegetation types that were native for this unique territory.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Features of ecological differentiation of halophytic, steppe and petrophytic vegetation in the valley of the Liman Kuyalnik (Odesa Oblast)

et al. 2019

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“…Аренами первинних сукцесій є значні за площами прилеглі території лиману, які звільнилися від води внаслідок його катастрофічного обміління та акумуляції на окремих ділянках делювіальних і алювіальних наносів [ENNAN et al, 2014, DUBYNA et al, 2018. На цих територіях формуються ряди угруповань, що змінюються і характеризуються низкою.…”

Section: результати досліджень та їх обговоренняunclassified

Динаміка Рослинності Долини Куяльницького Лиману (Одеська Обл.). 1. Природні Сукцесії Рослинності

Dubyna¹,

Еннан²,

Vakarenko³

et al. 2018

CBJ

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The natural changes in the vegetation of the valley in the estuary are represented by syngenetic (primary and secondary), endoecogenetic geomorphic succession series. The processes of syngenesis and endocechenesis greatly developed in recent decades. It connect with catastrophic decline of the estuary area and the formation of new terrestrial territories. In the initial stages of overgrown, these territories colonized by pioneer halophytes, which initiate succession from the Salicornia perennans agglomerations to Artemisietum santonicae communities. The paper presents the peculiarities of the initial succession in vegetation occurring on different estuary coastal areas. Secondary overgrowth of quarries on the estuarine spit and coastal areas are occurring with the participation of the ruderal species (including adventive). It is areas where vegetation destroyed by melioration works. Natural vegetation are not renewed on these territories under new conditions. Geomorphic successions are associated with the mobility of the substrate on the valley sloping areas. It has an extremely strong influence on the formation of steppe vegetation in these territories. The slow regressive geomorphic changes are most widespread. It lead to the replacement of zonal steppe communities with desert-steppe and halophytic-steppe. The catastrophic geomorphic changes are characteristic for very steep clay slopes. The restoration of vegetation on the aspirations begins with the weed stages and passes in towards the formation of steppe and shrub communities.

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“…The estuary is well known for its healing mineralized waters and peloids. Its slopes of various steepness are represented by relatively well-preserved non-transformed areas covered by fescue-feather grass steppe communities, and flat areas are covered by saline-meadow and salt-marsh vegetation [28]. The vegetation development on them occurs under the influence of dynamic processes characterized by continuous variability.…”

Section: Introductionmentioning

confidence: 99%

“…Annual sea water releases from the Black Sea to the estuary since 2014 have not solved this problem. Primary, this affected the state of plant communities in plain areas [28]. Botanical surveys of the estuary valley started in the 19th century [32].…”

Section: Introductionmentioning

confidence: 99%

Anthropogenic Transformations of Vegetation in the Kuyalnik Estuary Valley (Ukraine, Odesa District)

et al. 2022

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Human influence on the steppe ecosystems of Ukraine caused irreversible loss of biodiversity in the natural zone. Currently, this problem is aggravated by military operations which cover almost half of the steppe zone and are unprecedented in the entire history of their existence. This actualizes the study of vegetation dynamic processes under the influence of the novel anthropogenic factors, and serves as the scientific basis for restoring and preserving steppe vegetation and maintaining its functional stability. The paper highlights anthropogenic changes in vegetation of the Kuyalnik Estuary valley based on long-term comparative phytocenotic surveys and uses of the method of succession series for reconstruction. These changes are representative of the river valleys of the estuaries in the Northern Black Sea region. This work examines vegetation changes induced by runoff overregulation of estuary rivers within the basin, quarrying of sand and limestone, ploughing, grazing, burning, terracing of slopes and their afforestation, excessive mowing of grass stands, and uncontrolled recreation. Subject to the existing anthropogenic impact combined with global climate changes, further vegetation degradation was predicted to occur in the direction of xerophitization and halophitization, reduction in shrubby vegetation areas, degradation of steppe vegetation, and intensification of desertification processes.

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Projected Kuialnytsky National Nature Park as a basis for optimization of the environment and sustainable development of the region

Abstract: Projected Kuialnytsky National Nature Park as a basis for optimization of the environment and sustainable development of the region. Ukr.

Cited by 5 publications

References 10 publications

Features of ecological differentiation of halophytic, steppe and petrophytic vegetation in the valley of the Liman Kuyalnik (Odesa Oblast)

Features of ecological differentiation of halophytic, steppe and petrophytic vegetation in the valley of the Liman Kuyalnik (Odesa Oblast)

Динаміка Рослинності Долини Куяльницького Лиману (Одеська Обл.). 1. Природні Сукцесії Рослинності

Anthropogenic Transformations of Vegetation in the Kuyalnik Estuary Valley (Ukraine, Odesa District)

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