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Wyszukujesz frazę "Nymphaea tetragona" wg kryterium: Temat


Wyświetlanie 1-2 z 2
Tytuł:
Treatment Ability and Community Responses of Candung as an Appropriate Technology to Maintain Irrigation Water Quality
Autorzy:
Sumantra, I. Ketut
Widnyana, I. Ketut
Wijaya, I. Made Wahyu
Bouchama, Khaled
Powiązania:
https://bibliotekanauki.pl/articles/24202905.pdf
Data publikacji:
2023
Wydawca:
Polskie Towarzystwo Inżynierii Ekologicznej
Tematy:
candung
constructed wetland
irrigation water
Nelumbo nucifera
Nymphaea tetragona
Pistia stratiotes
agrotourism
Opis:
With the burgeoning population, the community activities, such as laundering, washing, or even bathing, have expanded along the irrigation canal. Consequently, some chemicals from those activities are released and pollute the water body. Besides, the discharge of wastewater into the irrigation system is also an issue of public health concern, because it creates an environment conducive to the reproduction of any pathogenic agent. Using candung as constructed wetlands (CW)-like to treat the irrigation water in rice paddies would be an interesting tool for removing pollutants from the irrigation water. Candung, as a locally used CW in Bali Island, has been applied in the rice field long time ago. The present study aimed to examine candung as a local attached CW or treating irrigation water and analyse the community awareness regarding the candung application. The result showed a positive effect of candung in maintaining the water quality parameters, such as TSS, BOD, COD, and nutrients with certain aquatic plants (Nelumbo nucifera, Nymphaea tetragona, and Pistia stratiotes). The knowledge, behaviour, and action of the local subak community were still limited, whereas they had positive perceptions and responses about candungthe potential of candung as an agrotourism attraction in the village as well.
Źródło:
Journal of Ecological Engineering; 2023, 24, 6; 348--365
2299-8993
Pojawia się w:
Journal of Ecological Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Genome size and phenotypic variation of Nymphaea (Nymphaeaceae) species from Eastern Europe and temperate Asia
Autorzy:
Dabrowska, M.A.
Rola, K.
Volkova, P.
Suda, J.
Zalewska-Galosz, J.
Powiązania:
https://bibliotekanauki.pl/articles/59355.pdf
Data publikacji:
2015
Wydawca:
Polskie Towarzystwo Botaniczne
Tematy:
genome size
phenotypic variation
Nymphaea alba
Nymphaea candida
Nymphaea tetragona
Nymphaea x borealis
Nymphaeaceae
morphometric analysis
flow cytometry
interspecies hybridization
Eastern Europe
temperate region
Asia
Opis:
Despite long-term research, the aquatic genus Nymphaea still possesses major taxonomie challenges. High phenotypic plasticity and possible interspecific hybridization often make it impossible to identify individual specimens. The main aim of this study was to assess phenotypic variation in Nymphaea taxa sampled over a wide area of Eastern Europe and temperate Asia. Samples were identified based on species-specific genome sizes and diagnostic morphological characters for each taxon were then selected. A total of 353 specimens from 32 populations in Poland, Russia and Ukraine were studied, with nine biometric traits being examined. Although some specimens morphologically matched N. xborealis (a hybrid between N. alba and N. Candida) according to published determination keys, only one hybrid individual was revealed based on genome size data. Other specimens with intermediate morphology possessed genome size corresponding to N. alba, N. Candida or N. tetragona. This indicates that natural hybridization between N. alba and N. Candida is not as frequent as previously suggested. Our results also revealed a considerably higher variation in the studied morphological traits (especially the quantitative ones) in N. alba and N. Candida than reported in the literature. A determination key for the investigated Nymphaea species is provided, based on taxonomically-informative morphological characters identified in our study.
Źródło:
Acta Societatis Botanicorum Poloniae; 2015, 84, 2
0001-6977
2083-9480
Pojawia się w:
Acta Societatis Botanicorum Poloniae
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-2 z 2

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