Invertebrate macrofaune of the Teremkivsky-3 pond (Nivka river) / Макрофауна безхребетних ставка Теремківський-3 (р. Нивка)
Journal Title: Рибогосподарська наука України - Year 2017, Vol 40, Issue 2
Abstract
Purpose. The study the biodiversity and structural organization of invertebrate macrofauna of the Teremkivsky-3 pond of the river Nyvka, seasonal dynamics and of parameters and determination of pond ecological state and water pollution level based on the calculation of biotic indices. Methodology. The study of invertebrate macrofauna of the Teremkivsky-3 pond was performed during the vegetation season of 2005 (April, July, September). The study was carried out using standard hydroecological techniques with the use of main provisions of the Water Framework Directive of the European Community. In total, 34 quantitative and qualitative samples were collected, which were used for the determination of the structural characteristics of the macrofauna of phytophylous and periphyton invertebrates and following indices were calculated: Shannon diversity index, Woodiwiss index, the degree of the development of macrofauna communities and water saprobity based on indicator species . Findings. The pond Teremkivsky-3 is characterized by relatively high development of submerged aquatic vegetation, especially in summer and autumn, mainly in the coastal zone, a large sandy beach in the central part of the reservoir and a relatively shallow depth (in our studies up to 3 m). A moderate overgrowth of submerged aquatic vegetation stimulates the processes of self-purification of the lake, provides additional shelter for many species of aquatic invertebrates and thus contributes to their development. The worst structural characteristics were recorded for bottom macrofauna of the central part of the lake, where black silty soils with admixtures of detritus and residues were located. Species diversity indices of all three studied biotic communities (zoobenthos, zooperiphyton zoophythos) were similar, quantitative parameters were characterized by relatively high biomass, mainly due to the development of gastropods. Based on the saprobity, water in the lake was characterized as β–α-mezosaprobic. Based on TBI calculated based on the total macrofauna, lake water belonged to the category of "slightly contaminated" in the spring to "clean" and "clean enough" in the summer and fall, respectively. Originality. The studies of the structural organization of benthic, periphyton and phytophylous complexes of the Teremkivsky-3 pond based on quantitative parameters have been conducted and the ecological state of both individual groups of aquatic organisms and total macrofauna of the water body has been determined. The use of similarity indices allowed assessing the degree of species similarity of these macroinvertebrate groups and the originality assessment of each community type has been performed. Practical value. Determining the environmental state of one of the ponds of the city of Kyiv will allow scientists to compare and track the status of other local water bodies in the dynamics of urban waters.
Authors and Affiliations
A. Liashenko, K. Zorina-Sakharova, Yu. Volikov, V. Makovskyi, N. Kolesnyk
Keywords
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- EP ID EP474583
- DOI 10.15407/fsu2017.02.003
- Views 59
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