Keresés
175 találatból megjelenítve: 71-80
Cím: Quantitative Morphometric Analysis of Morphologically Similar Species of Fragilaria (Fragilariaceae, Bacillariophyta) Allows Detection of Non-Indigenous Taxa: A Case Study from Lake Ladoga (North of European Russia)
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Dátum: 2023
Feltöltve: 2023-12-05
(2023)
In Lake Ladoga (northwestern Russia), we found a diatom, putatively Fragilaria sublanceolata-baikali, an endemic species from Lake Baikal (southeastern Siberia, Russia). To determine whether this population matches a ...
Cím: Extracting Water-Related Features Using Reflectance Data And Principal Component Analysis Of Landsat Images
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Dátum: 2018
Feltöltve: 2023-03-07
(2018)
This study aimed to map water features using a Landsat image rather than traditional land cover. We involved the original bands, spectral indices and principal components (PCs) of a principal component analysis (PCA) as ...
Cím: Factors Influencing Algal Photobiohydrogen Production In Algal-Bacterial Co-Cultures
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Dátum: 2017
Feltöltve: 2023-03-07
(2017)
Algal-bacterial co-cultures represent an alternative way for algal biohydrogen generation. Efficient algal hydrogen production requires anaerobiosis and electrons accessible for the algal FeFe?hydrogenases. A number of ...
Cím: Variable Rate Precision Irrigation Technology for Deficit Irrigation of Processing Tomato
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Dátum: 2018
Feltöltve: 2023-03-07
(2018)
"Centre pivot machines, with a variable rate irrigation (VRI) package that provides individual sprinkler control systems (VRI iS), are not common. This research focuses on how uniform the water distribution is under VRI ...
Cím: Combinatorial Aspects of Poly-Bernoulli Polynomials and Poly-Euler Numbers
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Dátum: 2022
Feltöltve: 2023-03-07
(2022)
In this article, we introduce combinatorial models for poly-Bernoulli polynomials and poly-Euler numbers of both kinds. As their applications,we provide combinatorial proofs of some identities involving poly-Bernoullipolynomials.
Cím: Cell Size Decrease and Altered Size Structure of Phytoplankton Constrain Ecosystem Functioning in the Middle Danube River Over Multiple Decades
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Dátum: 2020
Feltöltve: 2023-02-15
(2020)
Reduced body size is among the universal ecological responses to global warming. Our knowledge on how altered body size affects ecosystem functioning in ectothermic aquatic organisms is still limited. We analysed trends ...
Cím: Climate and Land-Use as the Main Drivers of Recent Environmental Change in a Mid-Altitude Mountain Lake, Romanian Carpathians
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Dátum: 2020
Feltöltve: 2023-02-15
(2020)
"Recent decades have been marked by unprecendented environmental changes which threaten the integrity of freshwater systems and their ecological value. Although most of these changes can be attributed to human activities, ...
Cím: Insight Into the Hidden Bacterial Diversity of Lake Balaton, Hungary
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Dátum: 2020
Feltöltve: 2023-02-15
(2020)
In the present study, the prokaryotic community structure of the water of Lake Balaton was investigated at the littoral region of three different points (Tihany, Balatonmariafurdo and Keszthely) by cultivation independent ...
Cím: In situ modelling of biofilm formation in a hydrothermal spring cave
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Dátum: 2020
Feltöltve: 2023-02-15
(2020)
Attachment of microorganisms to natural or artificial surfaces and the development of biofilms are complex processes which can be influenced by several factors. Nevertheless, our knowledge on biofilm formation in karstic ...
Cím: A Combinatorial Analysis of Higher Order Generalised Geometric Polynomials: A Generalisation of Barred Preferential Arrangements
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Dátum: 2020
Feltöltve: 2023-02-16
(2020)
Abarredpreferentialarrangementisapreferentialarrangement,ontowhichin-between the blocks of the preferential arrangement a number of identical bars are inserted. We offer a generalisation of barred preferential arrangements ...