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Wyszukujesz frazę "ecological models" wg kryterium: Temat

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    Wyświetlanie 1-4 z 4
    Tytuł:
    The operation of ecosystems and game theory. II. Cooperation.
    Autorzy:
    Wiszniewska-Matyszkiel, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/747906.pdf
    Data publikacji:
    2003
    Wydawca:
    Polskie Towarzystwo Matematyczne
    Tematy:
    dynamic game, cooperative models, fish wars, ecological systems, fishery management game
    Opis:
    Artykuł nie zawiera streszczenia
    The article contains no abstract
    Źródło:
    Mathematica Applicanda; 2003, 31, 45/04
    1730-2668
    2299-4009
    Pojawia się w:
    Mathematica Applicanda
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Dynamics of epicotyl emergence of Quercus robur from different climatic regions is strongly driven by post-germination temperature and humidity conditions
    Autorzy:
    Jastrzebowski, S.
    Ukalska, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/2077749.pdf
    Data publikacji:
    2019
    Wydawca:
    Polska Akademia Nauk. Instytut Dendrologii PAN
    Tematy:
    epicotyl dormancy
    Richards models
    growth models
    acorns
    ecological niche
    Opis:
    Pedunculate oak (Quercus robur L.) is an important component of temperate forests in the north- ern hemisphere. It occurs naturally across Europe and in parts of North Africa, the Balkans, the Urals and the Caucasus. In Poland, it predominantly grows on the plains at ≤700 m a.s.l. The main objective of this study was to determine how different temperature-humidity growth conditions influence dormancy breakage and epicotyl emergence in Q. robur, using growth curve models. We also in- vestigated whether these differences result from changes in the climatic conditions under which the oak populations grow naturally. In this study, we selected four pedunculate oak stands in western and eastern Poland. These sites were char- acterised by oceanic and continental climates, respectively. Mature acorns were collected in the autumn of 2016 and pretreated for two weeks in the cold (4 °C). The acorns were then sown in plastic pots filled with a peat/sand substrate. Four climatic variants (cold-dry, cold-wet, warm-dry and warm-wet) and a control (average conditions) were used. Epicotyl emergence was monitored daily for 74 days. Epicotyl emergence dynamics (maximum absolute growth rate, lag time, T50), number of days to epicotyl emergence, and cu- mulative epicotyl emergence were measured or calculated. The acorns from oceanic climates required more intense warm humid conditions for epicotyl emergence than those from continental climates. In contrast, acorns from continental climates had an evolutionary advantage in that their epicotyl emergence occurred both in cold-dry and warm-wet seasons. This indicated that each population was adapted to its local environment.
    Źródło:
    Dendrobiology; 2019, 81; 73-85
    1641-1307
    Pojawia się w:
    Dendrobiology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The minimalist representationalism of the ecological theory of perception
    Autorzy:
    Schetz, Adriana
    Powiązania:
    https://bibliotekanauki.pl/articles/2128309.pdf
    Data publikacji:
    2019-04-04
    Wydawca:
    Katolicki Uniwersytet Lubelski Jana Pawła II. Towarzystwo Naukowe KUL
    Tematy:
    ecological theory of perception
    James J. Gibson
    perception
    simulation
    representation
    minimalist representationalism
    dynamic models
    Opis:
    The aim of the article is to consider the possibilities of incorporating the category of mental representation into the ecological theory of perception, devised by its originator, James J. Gibson, as a kind of antirepresentationalism. The full-blooded idea of perceptual representation seems “too heavy” for the needs of the ecological approach, according to which perception consists in directly collecting or apprehending the features of objects present in the environment by means of the senses. Since this process is a direct one, Gibson believes postulating mental representation does not in any way make it easier to understanding it. On the other hand, in contemporary philosophy of mind and cognitive psychology the concept of mental representation is almost indispensable. The article presents an attempt to interpret the perceptual process of information acquisition in terms of dynamic systems theory – or, more precisely, as a kind of simulation. The simulation model of perception based on a minimalist understanding of representation (as procedural knowledge) is meant to complement the ecological theory of perception proposed by Gibson.
    Źródło:
    Roczniki Psychologiczne; 2014, 17, 1; 217-235
    1507-7888
    Pojawia się w:
    Roczniki Psychologiczne
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The algorithm of bifurcation points forecasting in the analitical researches of complex agro-ecological systems
    Autorzy:
    Osypenko, V.
    Powiązania:
    https://bibliotekanauki.pl/articles/410881.pdf
    Data publikacji:
    2012
    Wydawca:
    Polska Akademia Nauk. Oddział w Lublinie PAN
    Tematy:
    modelowanie indukcyjne
    system agro-ekologiczny
    prognozowanie
    bifurkacja
    inductive modeling
    algorithm of modeling
    criterion of models selection
    agro-ecological system
    forecasting
    bifurcation points
    rare events
    Opis:
    An original development is described in this work of the forecasting of so-called rare events concerning the agro-ecological systems. Under defi nition "rare" it is necessary to understand events which take place during some observed process, time intervals between them are so great that it is possible to consider that they practically do not infl uence each other. The beginning of the rare events can be called as a "bifurcation point" of the observed process. Both the multistage procedure of the forecasting based on principles of inductive modeling and the selection criterion of the best forecasting models are described.
    Źródło:
    ECONTECHMOD : An International Quarterly Journal on Economics of Technology and Modelling Processes; 2012, 1, 2; 35-38
    2084-5715
    Pojawia się w:
    ECONTECHMOD : An International Quarterly Journal on Economics of Technology and Modelling Processes
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-4 z 4

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