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    Wyświetlanie 1-3 z 3
    Tytuł:
    The Variability of the Planktonic Algae Biomass and Their Species Structure in the Ponds of the Park and Palace Complex in Żywiec
    Autorzy:
    Jachniak, Ewa
    Młyniuk, Agata
    Powiązania:
    https://bibliotekanauki.pl/articles/123361.pdf
    Data publikacji:
    2019
    Wydawca:
    Polskie Towarzystwo Inżynierii Ekologicznej
    Tematy:
    planktonic algae biomass
    urban park ponds
    Opis:
    The aim of this research was the analysis of the species composition and planktonic algae biomass in the ponds of Habsburg Park in Żywiec. So far, the urban park ponds have been rarely studied (especially in Poland) in this respect. The analyses of the park ponds water in Żywiec were conducted during the vegetation season in 2016, in monthly intervals. The phytoplankton biomass was calculated by comparing the shape of algae to geometrical figures and based on the chlorophyll a concentrations. The chlorophyll a concentrations and values of the planktonic algae biomass remained at a low level. The species composition showed the dominance of diatoms (i.a. Achnanthes lanceolate (Brébisson ex Kützing) Grun. in Cl. & Grun., Encyonema sp. (Kützing) Krammer). The highest values of the planktonic algae biomass were observed in the summer season. The ponds in the Habsburgs Park in Żywiec have great aesthetic and recreational values and therefore more frequent monitoring is necessary.
    Źródło:
    Journal of Ecological Engineering; 2019, 20, 7; 53-60
    2299-8993
    Pojawia się w:
    Journal of Ecological Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Zmienność sezonowa glonów planktonowych rozwijających się w wodach stawów zlokalizowanych w Parku Habsburgów w Żywcu
    Seasonal variability of planktonic algae developing in water of ponds located in the Habsburg Park in Żywiec
    Autorzy:
    Jachniak, Ewa
    Powiązania:
    https://bibliotekanauki.pl/articles/2163403.pdf
    Data publikacji:
    2022
    Wydawca:
    Akademia Techniczno-Humanistyczna w Bielsku-Białej
    Tematy:
    glony planktonowe
    stawy parkowe
    planktonic algae
    park ponds
    Opis:
    The aim of this research was to characterize the species structure and biomass of planktonic algae in the ponds of the Habsburg Park in Żywiec. This research was conducted in the 2018 vegetation season. The water samples for research were taken from two research points. The first research point was located in the north-west part of the park, in a sunny place, while the second research point was located in the south-eastern part of the park, in a shaded place. The phytoplankton biomass (given in wet mass) was calculated by comparing the phytoplankton organisms to geometric figures, and then measuring their volume. A special converter was used to convert volume to mass. Algae keys were used to identify planktonic algae species. The results of the conducted analyzes showed the variability of the phytoplankton biomass in the research season. The highest values of total planktonic algae biomass were recorded in the summer period, in turn, the lowest values were recorded in the spring and autumn periods at both research points. The following groups of planktonic algae were found on both research points: Bacillariophyceae, Chrysophyceae, Chlorophyceae, Cryptophyceae and Euglenophyceae. The conducted research showed that diatoms (59.6% share) and green algae (22.5% share) had the highest average percentage share in the total phytoplankton biomass on the first research point, whereas on the second research point the diatoms (66% share) and euglenins (15.3% share) had the highest average percentage share in the total phytoplankton biomass. The greatest species diversity was found among diatoms and green algae, in the remaining algae groups only two or three species of algae dominated. During the research, algae that prefer low fertile water were observed (e.g. Encyonema minutum (Hilse) D.G. Mann, Pinnularia sp.) and that prefer more fertile environments (e.g. Coelastrum astroideum De-Not., Aulacoseira granulata (Ehr.) Simonsen. Some of them belonged to ubiquitous algae, typical for various environments, e.g. Cryptomonas erosa and Ulnaria ulna (Nitzsch) Ehrenberg.
    Źródło:
    Polish Journal of Materials and Environmental Engineering; 2022, 4(24); 1-12
    2720-1252
    Pojawia się w:
    Polish Journal of Materials and Environmental Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Restoration of ponds in the municipal park in Zduńska Wola, Poland
    Autorzy:
    Widelska, Ewelina
    Walczak, Wojciech
    Powiązania:
    https://bibliotekanauki.pl/articles/292845.pdf
    Data publikacji:
    2020
    Wydawca:
    Instytut Technologiczno-Przyrodniczy
    Tematy:
    park ponds
    park revalorization
    water quality monitoring
    water system renaturalization
    Opis:
    The historic municipal park located in Zduńska Wola is covered in the central and northern part by conservator protection through an entry in the register of monuments and on the basis of an entry in the local spatial development plan. In terms of nature, the area has significant values due to old trees and the water system, which consists of two ponds fed by the Pichna River. As part of the preparatory work for the revalorization of the park, several studies and analyses were carried out, including assessment of the sanitary state of waters of Pichna River that supplies reservoirs. Degree of the river pollution made it impossible to restore the water system, the most important element of the park, while further supplying the ponds with river water. In order to ensure a satisfactory degree of purity and transparency of water in ponds, a decision was made to apply complex and modern technological solutions enabling the renovation of the water system. Project documentation was developed in 2015. After two years, they began to implement the project. Banks of both ponds were formed more gently, and the basins were deepened. Selection of vegetation around the reservoir and in the reservoir itself was based on the principle of biocenotic assumptions. The designed system is equipped with a circulation pump, skimmers, bottom drains, mechanical-mineral filter, swamp filter. This was to ensure adequate purification of water in ponds, based on natural processes, stimulated by the use of new, pro-ecological technologies.
    Źródło:
    Journal of Water and Land Development; 2020, 44; 151-157
    1429-7426
    2083-4535
    Pojawia się w:
    Journal of Water and Land Development
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-3 z 3

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