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    Wyświetlanie 1-4 z 4
    Tytuł:
    Climate and aging. Selected aspects from the psychological perspective
    Autorzy:
    Olszewski, H.
    Powiązania:
    https://bibliotekanauki.pl/articles/2079065.pdf
    Data publikacji:
    2020
    Wydawca:
    Polska Akademia Nauk. Instytut Oceanologii PAN
    Tematy:
    climate change
    global warming
    living standard
    aging
    human development
    psychology
    psychological aspect
    Opis:
    The main focus of my research lies within the psychology of human development, especially in late adulthood. There are many reasons why psychologists are interested in climate change. One of the fathers of modern medicine, Hippocrates, proclaimed that the climate affects the mood (liquids) existing in the human body. I wrote an article about climate change and its relationship to the psychological functioning of people in old age. As we enter adulthood, the new generation will severely experience increasingly extreme weather events. Already this phenomenon is more frequent than several decades ago and takes a deadly toll. Heat waves will be more frequent and so the children and older people will be often exposed to that phenomenon. It may have a detrimental effect on those in the declining period of their lives. In my opinion, an important question is to what extent modern living should (in a moral sense) limit the current consumption of many goods because of the duty to care for the standard of living and its quality and the interests of people who will live in the future.
    Źródło:
    Oceanologia; 2020, 62, 4PB; 628-633
    0078-3234
    Pojawia się w:
    Oceanologia
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Temporal changes in the concentrations of zinc and cadmium in the sedimentary strata of Nozha Hydrodrome, Alexandria, Egypt
    Autorzy:
    Rifaat, A.E.
    Ahdy, H.H.H.
    Powiązania:
    https://bibliotekanauki.pl/articles/48576.pdf
    Data publikacji:
    2011
    Wydawca:
    Polska Akademia Nauk. Instytut Oceanologii PAN
    Tematy:
    agricultural development
    Alexandria
    aquatic environment
    cadmium concentration
    Egypt
    heavy metal
    industrial development
    Nozha Hydrodrome
    sediment
    sewage effluent
    temporal change
    urban development
    vertical distribution
    zinc concentration
    Opis:
    This study is concerned with the temporal changes in the levels of zinc and cadmium in the sediments of Nozha Hydrodrome during the past 100 years. Seven sediment core samples, covering the study area, were collected from the bottom of the Hydrodrome. A five-step sequential extraction technique was applied to determine the solid phase concentrations of zinc and cadmium. Zinc gives an idea of the quantities of sewage effluents, while cadmium provides an indication of the amounts of agricultural discharges. The vertical distribution curves show that the average total concentrations of zinc in the sediments increased at a rate of 2.5 μg g−1 y−1 from 1900 to 1950 and at 1.5 μg g−1 y−1 from 1950 to 1990. Since 1990 the zinc concentration in Nozha Hydrodrome sediments has been decreasing at 1.5 μg g−1 y−1. The average total cadmium concentration exhibits a different vertical distribution pattern: it increased at a rate of 0.42 μg g−1 y−1 from 1900 to 1950, after which it became constant from 1950 to 1970. Since 1970 it has been increasing at 0.53 μg g−1 y−1. The ongoing increase in cadmium concentrations in the sediments is due to the increase in agricultural discharges into the Hydrodrome, especially as significant amounts of phosphate fertilizers are used to nourish the soil around the Hydrodrome. The rise in cadmium concentrations since 1900 has been accompanied by a similar increase in zinc concentrations with time resulting from the discharge of untreated sewage into the Hydrodrome. In 1990 a sewerage system and sewage treatment plant came into operation, as a result of which discharges of domestic effluent into the Hydrodrome ceased. Since then the amount of zinc in sediments has been decreasing steadily.
    Źródło:
    Oceanologia; 2011, 53, 4
    0078-3234
    Pojawia się w:
    Oceanologia
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Annual reproductive cycle in two free living populations of three-spined stickleback (Gasterosteus aculeatus L.): patterns of ovarian and testicular development
    Autorzy:
    Sokolowska, E.
    Kulczykowska, E.
    Powiązania:
    https://bibliotekanauki.pl/articles/47889.pdf
    Data publikacji:
    2006
    Wydawca:
    Polska Akademia Nauk. Instytut Oceanologii PAN
    Tematy:
    free living population
    stickleback
    gonad
    environment change
    reproductive cycle
    wild population
    Oliva Stream
    natural habitat
    fresh water
    breeding
    Vistula River
    Gasterosteus aculeatus
    spermatogenesis
    vitellogenesis
    Opis:
    The annual reproductive cycle in two wild populations of three-spined stickleback was studied. Sticklebacks from the Dead Vistula River (Martwa Wisła) (brackish water) and the Oliva Stream (Potok Oliwski) (freshwater) were exposed to annual environmental changes in their natural habitats. Ovaries and livers (females), and testes and kidneys (males) were collected during 1–2 years. The gonadosomatic IG, hepatosomatic IH, nephrosomatic IN indices, kidney epithelium height (KEH) and size of oocytes were calculated. The number of mature oocytes and percentage of ovulating females were determined during the spawning season. Histological changes in the ovaries and testes were described throughout a year. Annual reproductive cycles were similar in both populations of sticklebacks. This is the first histological and morphological study carried out throughout a year, simultaneously in two wild populations of three-spined sticklebacks inhabiting different environments. An improved scale of gonadal development in conjunction with the determined indices and fecundity give a comprehensive description of the reproductive cycle. These newobserv ations, in combination with previously reported features, provide a universal scale that can be successfully used to distinguish all phases of gametogenesis in sticklebacks in different habitats.
    Źródło:
    Oceanologia; 2006, 48, 1
    0078-3234
    Pojawia się w:
    Oceanologia
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Development of the sandy coast: Hydrodynamic and morphodynamic conditions (on the example of the Eastern Gulf of Finland)
    Autorzy:
    Divinsky, B.V.
    Ryabchuk, D.V.
    Kosyan, R.D.
    Sergeev, A.Y.
    Powiązania:
    https://bibliotekanauki.pl/articles/2078924.pdf
    Data publikacji:
    2021
    Wydawca:
    Polska Akademia Nauk. Instytut Oceanologii PAN
    Tematy:
    sandy coast
    coastal zone
    climate change
    hydrodynamic condition
    morphodynamic condition
    sea level
    surface wave
    sediment transport
    numerical modelling
    Finland Gulf
    Opis:
    Forecasting the coastal zone development under possible climatic changes and technogenic impact is an extremely important task. This forecasting is based on our understanding of the mechanism of the hydrodynamic processes impact on the coastal zone. The goal of this work is to describe the hydrodynamic conditions (currents, sea level, surface waves) of coastal waters and to assess the influence of hydrodynamic parameters on the general dynamics of the beach. The object of this study is a part of the southern coastal zone of the Gulf of Finland (Baltic Sea). The method of research is a full-scale experiment and mathematical modeling. The initial data for the analysis are climatic characteristics of the hydrodynamic regime of the sea (velocity and direction of currents, sea level, integral parameters of wind seas and swell), as well as interannual variations in the position of the coastline in the region of the Izhora village in the eastern part of the Gulf of Finland. Interannual variations in hydrodynamic parameters and volumes of bottom material transported under the influence of wind seas and swell were estimated. Main conclusion: swell waves determine the general background in the patterns of the bottom material transport, and the contribution of wind seas is in the formation of beach properties, namely, the accumulation or decrease of beach material
    Źródło:
    Oceanologia; 2021, 63, 2; 214-226
    0078-3234
    Pojawia się w:
    Oceanologia
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-4 z 4

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