Keresés
19 találatból megjelenítve: 1-10
Cím: Weak Ascent Sequences and Related Combinatorial Structures
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Dátum: 2023
Feltöltve: 2023-02-14
(2023)
In this paper we introduce weak ascent sequences, a class of number sequences that properly contains ascent sequences. We show how these sequences uniquely encode each of the following objects: permutations avoiding a ...
Cím: Estimation of Changes in Sediment Transport along the Free-Flowing Middle Danube River Reach
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Dátum: 2023
Feltöltve: 2023-10-03
(2023)
The subject of this study is an approximately 300 km long Middle Danube River reach that spans from river kilometer (rkm) 1581 in Hungary to (rkm) 1255 in Serbia. The observed drying of floodplains in Hungary some thirty ...
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: Zebracsíkok termofiziológiai vizsgálata, avagy miért csíkos a zebra?
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Dátum: 2023
Feltöltve: 2023-10-03
(2023)
Charles Darwin és Alfred Wallace 1860–1870-es években folyt vitája óta foglalkoztatja a biológusokat az a kérdés, hogy mi lehet a szerepe a zebrák feltűnő fekete-fehér csíkjainak, milyen előnyt és/vagy hátrányt jelenthetnek ...
Cím: Rarity of microalgae in macro, meso, and microhabitats
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Dátum: 2023
Feltöltve: 2024-02-12
(2023)
Climate change and human-induced habitat degradations result in loss of species diversity in natural ecosystems. While the extinction of macroscopic organisms has been well documented in both the scientific literature and ...
Cím: Halamphora taxa in Hungarian soda pans and shallow soda lakes detected via metabarcoding and microscopic analyses
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Dátum: 2023
Feltöltve: 2024-01-17
(2023)
The research presented investigates whether DNA-based metabarcoding can replace the morphology-based identification of diatom taxa in the ecological status assessments of aquatic habitats. When comparing data obtained with ...
Cím: Comprehensive assessment of the carbon neutrality actions from the automotive sector
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Dátum: 2023
Feltöltve: 2024-01-17
(2023)
The aim of this paper is to analyse and demonstrate the carbon neutrality actions of a special facility in the context of the automotive sector. In order to analyse the emissions, a carbon simulation model is developed. ...
Cím: Survey of the Moustached Warbler (Acrocephalus Melanopogon) Populations and Migration Routes in Europe, Role of the Black Sea Population
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Dátum: 2023
Feltöltve: 2024-01-17
(2023)
Data on the populations of the Moustached warbler are extremely contradictory. Clarifying population sizes is a difficult and laborious but important task. The known EU population is declining, but the conservation status ...
Cím: Ixodes ricinus tick bacteriome alterations based on a climatically representative survey in Hungary
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Dátum: 2023
Feltöltve: 2024-01-17
(2023)
The microbial communities of disease vectors may represent a key feature in several biological functions and thus deserve special attention in light of climate change and the consequent need to develop novel control ...
Cím: Lake morphology as an important constraint for benthic diatoms in temperate, humic forest pondsLake morphology as an important constraint for benthic diatoms in temperate, humic forest ponds
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Dátum: 2023
Feltöltve: 2024-02-19
(2023)
Small lakes are among the most threatened ecosystems in the world. Their protection is of crucial importance
since they support an unusually high biodiversity relative to their size. The present study aimed at selecting ...