Response of soil macrofauna to urban park reconstruction

Жуков, О. В.; Кунах, О. М.; Yorkina, N. V.; Tutova, Anna

doi:10.1007/s42832-022-0156-0

Cited by 7 publications

(5 citation statements)

References 104 publications

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“…The study of the relationship between soil genetic types and soil fauna is of interest for further research. Fragmentary research has been carried out in this direction (Kunakh et al, 2023;Zhukov et al, 2023), but identifying the diversity of soil cover provides a basis for understanding the impact of soils and soil macrofauna communities. It is also important to examine the reverse effect, namely, the contribution of soil animals to the soil formation process of floodplain and terrestrial soils in river valleys.…”

Section: Discussionmentioning

confidence: 99%

Diversity of soils in the Dnipro River valley (based on the example of the Dnipro-Orilsky Nature Reserve)

Yakovenko,

Kunakh,

Tutova

et al. 2023

Folia Oecologica

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The study established the classification position of the soils of the Dnipro River valley (within the Dnipro-Orilsky Nature Reserve) according to the international WRB classification. The pits were laid along three transects that passed through the most significant relief gradients within the study area. The study of the morphological structure of 20 soil profiles showed that the soil cover is closely related to the geo-morphological structure of the river valley. The morphological characteristics of typical profiles of these soils reflect their structure, properties and genesis and determine the classification position of the soils according to the WRB. Multidimensional scaling allowed us to perform soil ordination in the space of two dimensions. Dimension 1 differentiates soils by the gradient of relief height and/or moisture level. Dimension 2 differentiated hydromorphic soils. The properties of Quaternary sediments were found to determine the position of soils at both levels of classification (reference groups, main and additional classifiers). The distribution of each of the reference groups is clearly related to the geomorphology of the valley. Arenosols and Cambisols form the soil cover of the floodplain terrace, while Fluvisols and Gleysols are found mainly in the floodplain.

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Section: Discussionmentioning

confidence: 99%

Diversity of soils in the Dnipro River valley (based on the example of the Dnipro-Orilsky Nature Reserve)

Yakovenko,

Kunakh,

Tutova

et al. 2023

Folia Oecologica

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“…As a result, soil drying is activated. This mechanism is also confirmed by the fact an inverse correlation was found between soil moisture and forest canopy density (Zhukov et al, 2023). Obviously, reducing the density of canopies as a result of their pruning during the reconstruction process also reduces the amount of fallen leaves that form the leaf litter.…”

Section: Discussionmentioning

confidence: 58%

“…The survey was carried out in the recreational zone of the Botanical Garden of the Oles Honchar Dnipro National University (Ukraine) (48.43˚ N 35.05˚ E). More information on the features of the field experiment was provided in our previous article (Zhukov et al, 2023). The city park was reconstructed over an area of 2.8 ha.…”

Section: Sample Fieldsmentioning

confidence: 99%

The structure of beta-diversity explains why the relevance of phytoindication increases under the influence of park reconstruction

Molozhon,

Lisovets,

Kunakh

et al. 2023

Regul. Mech. Biosyst.

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Urbanization causes the highest local extinction rates and often leads to the loss of the vast majority of native species. Plant communities are sensitive to urban expansion and are therefore indicators of human land use. A city park, part of which has undergone reconstruction, was studied. The study found that the changes in ecological conditions caused by the reconstruction of a city park can be detected using phytoindication. The informativeness of phytoindication scales was shown to increase under conditions of anthropogenic load. The phytoindication scales are a reliable source of information for assessing the state of the vegetation cover of park plantations. The ecological regimes were assessed based on descriptions of the vegetation cover using Didukh's phytoindication scales. The phytoindication approach allows one to identify changes in ecological regimes that occur as a result of park reconstruction and to separate them from ecological regimes of natural origin. The study showed that the reconstruction of the park significantly affects the conditions of the park and the diversity of vegetation. The ratio of useful phytoindicative information compared to information noise in the structure of beta-diversity of the park's plantations increases significantly as a result of the park's reconstruction. The reconstruction of the park has led to changes in the spatial organization of the vegetation cover. The results obtained indicate a decrease in soil moisture as a result of the park's reconstruction. The park’s reconstruction leads to a significant change in the light regime of the park’s plantings, which leads to changes in the park’s vegetation and soils. Reducing the density of plantations as a result of their pruning during the reconstruction process also decreases the amount of fallen leaves that form leaf litter. A significant increase in the variability of the moisture regime under the influence of the park reconstruction was found. The phytoindication revealed a decrease in the acidity of the soil solution as a result of the reconstruction. The changes in soil acidity are accompanied by an increase in phytoindication estimates of carbonate content in the soil. The observed increase in carbonate content estimates may be an artifact when representatives of another ecological group also have related ecological properties that can be misinterpreted as indicators of certain regimes. The phytoindication also revealed trends in the variability of microclimatic conditions in the park as a result of reconstruction. The reconstruction of the park leads not only to a change in the modal levels of ecological regimes, but also to the formation of specific patterns of their spatial distribution. The heterogenization of the ecological space under the influence of reconstruction has been established. This heterogenization is evident in the fact that areas with homogeneous vegetation cover are decreasing. The accuracy of the description of the spatial process was found to have decreased after the park reconstruction procedures. Smooth spatial structures of the park’s vegetation cover without reconstruction are changing into rough spatial structures of the park after reconstruction. The park’s reconstruction obviously disrupts the course of long-term processes that structure the vegetation cover, which leads to temporal and spatial desynchronization of the dynamics of ecological processes. The spatial variation of variables that indicate soil processes can best be described. In contrast, the phytoindication scales that indicate climatic factors are much less spatially structured. The best variogram model to describe the spatial process is also changing under the influence of reconstruction. The significant consequences of the park reconstruction are time variability and spatial heterogeneity of ecological processes.

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“…Vascular plant species lists were recorded for each 3×3 m sampling point, along with a visual assessment of species coverage using a Braun-Blanquet scale (Westhoff & Van Der Maarel, 1978). The projective cover of plant species was measured at soil level, understory (up to 2 m in height), and canopy (above 2 m in height) (Zhukov et al, 2023). All species were identified to species level at all sites (Gritsan et al, 2019;Kunakh et al, 2023).…”

Section: Methodsmentioning

confidence: 99%

How much space is needed for biodiversity conservation?

Trifanova,

Zadorozhna,

Novitsky

et al. 2023

Biosys. divers.

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The EU's 2030 Biodiversity Strategy and the Kunming-Montreal Global Biodiversity Framework call for 30% coverage of land and sea protected areas and strict protection for 10% of land area to prevent and reverse biodiversity loss. Ukraine has declared its aspiration to integrate into the European Union and must back up its statements with action and do everything to achieve such ambitious conservation goals. Like many European countries, Ukraine faces great challenges on this route. The significant level of anthropogenic transformation of the territories makes it very difficult to find new areas to expand the boundaries of the nature reserve fund. The practical steps to create nature reserves are significantly limited by legal mechanisms that guarantee land users' ownership of the relevant land plots. An important task in nature conservation is to develop indicators that can clearly and easily demonstrate the importance of areas for conservation. Such tools are necessary to convince policy makers and land users of the need to protect the relevant areas. The indicators of importance for biodiversity conservation should be scale-independent, as both large areas and small areas are important for conservation. In this article, we consider the case of a project to expand the boundaries of the Dnipro-Orylskiy Nature Reserve by adding five areas directly adjacent to it. The number of species included in the various Red Data Lists was chosen as an indicator of the conservation value of the territory. The species-area relationship was used to assess the role of scale. The number of species on the Red Lists was considered instead of the classical relationship that considers the total number of species in a community. The normalised deviation from the regression relationship was considered as an indicator of the conservation value of the respective area, which is statistically independent of the area of the site. The different Red Lists are compiled according to different criteria, so the indicator of conservation value for each Red List focuses on the relevant conservation aspect. The results of the conservation value assessment can be presented graphically, which clearly demonstrates the role of the respective areas in the maintenance of biological diversity. The proposed algorithm for assessing conservation value can be applied to a wide range of environmental protection tasks. In terms of further research, it is important to assess the role of ecosystem function assessment in the design of protected areas.

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Response of soil macrofauna to urban park reconstruction

Cited by 7 publications

References 104 publications

Diversity of soils in the Dnipro River valley (based on the example of the Dnipro-Orilsky Nature Reserve)

Diversity of soils in the Dnipro River valley (based on the example of the Dnipro-Orilsky Nature Reserve)

The structure of beta-diversity explains why the relevance of phytoindication increases under the influence of park reconstruction

How much space is needed for biodiversity conservation?

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