Autor: Żarski, T. - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Investigation on the distribution of mercury in tissues and organs of wild birds obtained from the area covered by Greater Warsaw
Autorzy:: Zarski, T.P.
Rejt, L.
Zarska, H.
Jarmul, J.
Powiązania:: https://bibliotekanauki.pl/articles/13763.pdf
Data publikacji:: 2015
Wydawca:: Uniwersytet Warmińsko-Mazurski w Olsztynie / Polskie Towarzystwo Magnezologiczne im. Prof. Juliana Aleksandrowicza
Opis:: The material for investigations was composed of samples of tissues and internal organs of 20 birds. The aim of the work was to analyze the mercury distribution in tissues and organs of wild birds. The following body organs were sampled: chest muscles, femoral muscles, heart muscle, bones, intestines, liver, kidney, lungs, gizzard, the mucosa of the stomach and brain. The content of mercury in the samples was determined by the method of atomic absorption spectrometry (AAS). Based on the results and supported by the relevant literature, certain regularities emerged in the distribution of mercury in tissues and organs of wild birds. The organs with the highest accumulation of mercury were the kidney, liver, cardiac muscle and skeletal muscles. The smallest concentration of mercury appeared in the lungs, bones and the brain. The distribution of mercury depended on the tissue, indicating that the alimentary tract is the main gate through which mercury penetrated into birds’ organisms, in a way corresponding to their eating prefences. The highest concentrations of this element were ascertained in the little grebe feeding on aquatic organisms and small fish. The lowest concentrations of mercury appeared in town-dwelling pigeons.
Źródło:: Journal of Elementology; 2015, 20, 1
1644-2296
Pojawia się w:: Journal of Elementology
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Comparison Of Mercury Contamination In Bred And Wild Carps (Cyprinus carpio Linnaeus 1758) Caught in an Oxbow Lake of the Vistula River
Porównanie skażenia rtęcią karpi (Cyprinus carpio Linnaeus 1758) hodowlanych i dzikich pochodzących ze starorzecza Wisły
Autorzy:: Żarski, T. P.
Żarska, H.
Samek, M.
Kovarova, K.
Majdecka, T.
Powiązania:: https://bibliotekanauki.pl/articles/388381.pdf
Data publikacji:: 2012
Wydawca:: Towarzystwo Chemii i Inżynierii Ekologicznej
Tematy:: breeding carps
wilds carps
contamination
mercury
karpie hodowlane
karpie dzikie
skażenie
rtęć
Opis:: Presence in meat of the fish of the toxic substances motivates to the undertaking of investigations can the scale of the wholesome threat for the man (angler), which he stood from the right of hunting of the fish oneself the final link in the chain trophic of water ecosystem in this also in the process of the accumulation of heavy metals. The comparison of the degree of the contamination was the generally basic aim of investigations carps mercury and the settlement, what influence on her postponing, and every he goes for this, what there is the threat toxicological for angler fishing the fish of the same species in natural reservoir or animal pond. They made up the material to investigations carps gain over from two various water environments after 10 of every one the clatter in seasons 2004–2006 years. The content of mercury in taken tests was studied use the automatic analyzer of the traces of the mercury of AMA 254 in support about the method of the absorption of atomic spectrometry (AAS). The degree of the mercury contamination studied ponds carps was low and many the times lower than admissible norms of hygienic. Carps coming from the old flood water of the Vistula river contain in their tissues and organs the larger quantities of mercury, what to result from the larger dirt of waters of the Vistula in this heavy metal. The average concentration the mercury in the carps studied group wild it was twice lower than admissible hygienic norms.
Obecność w mięsie ryb substancji skażeniowych uzasadnia podjęcie badań mogących ustalić skalę zagrożenia zdrowotnego dla człowieka (wędkarza), który z racji łowienia ryb stał się końcowym ogniwem w łańcuchu troficznym ekosystemu wodnego w tym również w procesie kumulacji metali ciężkich. Generalnie podstawowym celem badań było porównanie stopnia skażenia rtęcią karpi i ustalenie, jaki wpływ na jej odkładanie, a co za tym idzie, jakie jest zagrożenie toksykologiczne dla wędkarza łowiącego ryby tego samego gatunku w akwenie naturalnym lub stawie hodowlanym. Materiał do badań stanowiły karpie pozyskane z dwóch różnych środowisk wodnych po 10 stuk z każdego w sezonach 2004–2006 Zawartość rtęci w pobranych próbkach badano przy użyciu automatycznego analizatora śladów rtęci AMA 254, wykorzystując metodę spektrometrii absorpcji atomowej (AAS) Stopień skażenia rtęcią badanych karpi hodowlanych był niski i wielokrotnie niższy od dopuszczalnych norm higienicznych. Karpie pochodzące ze starorzecza Wisły zawierają w swych tkankach i narządach większe ilości rtęci, co może wynikać z większego zanieczyszczenia wód wiślanych tym metalem ciężkim. Średnie stężenie rtęci w badanej grupie karpi dzikich było dwukrotnie niższe od dopuszczalnych norm higienicznych.
Źródło:: Ecological Chemistry and Engineering. A; 2012, 19, 12; 1527-1532
1898-6188
2084-4530
Pojawia się w:: Ecological Chemistry and Engineering. A
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: Effect of sprinkler irrigation and nitrogen fertilisation on the yield and baking value of spring wheat grain
Autorzy:: Żarski, J.
Dudek, S.
Kuśmierek-Tomaszewska, R.
Knapowski, T.
Kozera, W.
Powiązania:: https://bibliotekanauki.pl/articles/101638.pdf
Data publikacji:: 2017
Wydawca:: Polska Akademia Nauk. Stowarzyszenie Infrastruktura i Ekologia Terenów Wiejskich PAN
Tematy:: sprinkler irrigation
spring wheat
nitrogen fertilisation
baking value
grain
Opis:: The aim of the research was to evaluate the effect and interaction of sprinkler irrigation and nitrogen fertilisation on the grain yield and baking value of ‘Monsun’ spring wheat cultivar grown in light compacted soil. A field experiment was performed in 2013-2014 in an experimental field of the Department of Land Improvement and Agrometeorology, the UTP University of Science and Technology, at Mochełek, in the vicinity of Bydgoszcz. It was found that sprinkler irrigation significantly increased the spring wheat grain yield. The grain from sprinkler-irrigated stands demonstrated greater plumpness; it contained significantly less protein and gluten and showed a lower sedimentation value, as compared with the grain of non-sprinkler-irrigated plants. However, the protein yield produced under sprinkler irrigation conditions was on average 11% higher, compared to the control conditions. The effect of nitrogen fertilisation on the spring wheat grain yield and quality corre¬spond to earlier findings. Similarly to other research reports, a regular yield increase and enhanced quality of baking features along with an increase in the nitrogen rate were identified. Considering the quantitative and baking features of the grain yield, it was found that the optima nitrogen fertilisation rate in ‘Monsun’ spring wheat, in both water variants, was 180 kg.ha-1 (pre-sowing 120 kg .ha-1 and top dressing 60 kg ha-1).
Źródło:: Infrastruktura i Ekologia Terenów Wiejskich; 2017, III/2; 1275-1284
1732-5587
Pojawia się w:: Infrastruktura i Ekologia Terenów Wiejskich
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 4.

Tytuł:: A new stratigraphic position of some Early Pleistocene deposits in central Poland
Autorzy:: Bujak, Ł.
Woronko, B.
Winter, H.
Marcinkowski, B.
Werner, T.
Stachowicz-Rybka, R.
Żarski, M.
Woźniak, P. P.
Rosowiecka, O.
Powiązania:: https://bibliotekanauki.pl/articles/2060173.pdf
Data publikacji:: 2016
Wydawca:: Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:: Late Miocene
Early Pliocene
Early Pleistocene
pollen analysis
palaeomagnetism
mineralogy
Central Poland
Opis:: A new borehole in Rożce (SW Mazovian Lowland) drilled in 2012, combined with a wide variety of research methods (palaeomagnetism, palynological analysis, studies of plant macroremains and textural features of deposits) shed new light on the age and stratigraphic position of the Early Pleistocene deposits, formerly assigned as the Lower Pleistocene. The study focuses on the deposits from 50.7-104.0 m depth, between glacial till of the Nidanian Glaciation (ca. 0.9 Ma) and the Poznań Clays (ca. 5.322 Ma). The deposits situated directly underneath the till (50.7-60.2 m) are related to the Nidanian Glaciation and show a reversed polarity and correlate with the end of the Matuyama Epoch. The deposits from 60.2-104.0 m depth were accumulated during the Early Pliocene, i.e. approximately 5.332-4.6 million years ago. They appear to correlate with the middle part of the Gilbert Palaeomagnetic Epoch and thus they are considerably older than previously thought. The cored section indicates a stratigraphic gap of about 3.5 Ma from the Lower Pliocene to the first advance of the Scandinavian ice sheets into Poland, which are thought to have occurred in the early Middle Pleistocene. The analysed deposits accumulated under variable climatic conditions showing two periods with significant aridity alternated with two periods of increased humidity. Deposits of the arid periods contain no pollen, butaeolian sand quartz grains are found. During periods of more humid climate the area was covered by various types of mixed forest.
Źródło:: Geological Quarterly; 2016, 60, 1; 238--251
1641-7291
Pojawia się w:: Geological Quarterly
Dostawca treści:: Biblioteka Nauki

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