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    Wyświetlanie 1-7 z 7
    Tytuł:
    Field and Laboratory Studies of the Earthworm Dendrobaena Alpina
    Autorzy:
    Kostecka, J.
    Butt, K. R.
    Powiązania:
    https://bibliotekanauki.pl/articles/124743.pdf
    Data publikacji:
    2015
    Wydawca:
    Polskie Towarzystwo Inżynierii Ekologicznej
    Tematy:
    earthworms
    Dendrobaena alpina
    field study
    laboratory culture
    population dynamics
    Opis:
    Distribution of Dendrobaena alpina covers the mountainous region of central Europe, where it has a high dominance and frequency index. This work describes data from field studies conducted over two annual cycles in the Bieszczady National Park (BNP), Poland, in different types of beech forest. Densities of this species ranged from 47–231 g·m -2 with associated biomasses of 19–90 g·m -2. Most (66%) were recovered from less than 0.1 m soil depth with a further 28% from up to 0.2 m. Further, the animals were collected alive from Lutowiska, close to the BNP to obtain baseline data on the life history of D. alpina. Mature individuals were kept in isolation and cocoon production monitored on a 2 monthly basis. Immature individuals were kept until they reached maturity, when they were paired, with combined output of cocoons regularly monitored. Cocoons were collected, had their masses determined and were incubated. Hatchability was recorded, as was estimated duration of incubation and growth to maturity. Field-collected adults had a mean mass of 1.4 g and at 15 ºC, these produced an average of 1.83 cocoons·worm -1·month -1. Zero cocoons were produced by further specimens, collected as immature, grown to maturity and maintained in isolation. Recently-matured, paired D. alpina produced an average of 1.65 cocoons·worm -1·month -3. Cocoons had a mean mass of 19 mg. At 15 ºC, cocoons produced by recently matured adults hatched after 80 days (82% viable), but after 2 months the majority of cocoons failed to hatch. Hatchling growth from an average of 18 mg to maturity required 7–11 months in the given substrate.
    Źródło:
    Journal of Ecological Engineering; 2015, 16, 5; 213-217
    2299-8993
    Pojawia się w:
    Journal of Ecological Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Assessing the reliability of foraminiferal Mg/Ca thermometry by comparing field-samples and culture experiments: a review
    Autorzy:
    Kontakiotis, G.
    Mortyn, G. P.
    Antonarakou, A.
    Drinia, H.
    Powiązania:
    https://bibliotekanauki.pl/articles/2059914.pdf
    Data publikacji:
    2016
    Wydawca:
    Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
    Tematy:
    Mg/Ca palaeothermometry
    core-top sediments
    sediment traps
    plankton tows
    laboratory culture experiments
    palaeoceanography
    Opis:
    Trace elements incorporated into foraminiferal test carbonate are commonly used as palaeoproxies. For instance, benthic and planktonic Mg/Ca ratios are frequently used for reconstructing bottom and sea surface temperature (SST) changes, respectively. However, over the past few decades it has been shown that the incorporation of Mg2+ into foraminiferal calcite is controlled by more than one environmental parameter, with significant variations of their sensitivities between culture and field-based studies. Opinions differ as to whether the laboratory conditions during culturing experiments or the natural conditions during field sampling (core-tops, sediment traps and plankton tows) better trace the wealth of information with improved accuracy. Laboratory culture experiments that isolate the effects of individual environmental parameters have been used to identify secondary controls on Mg uptake into planktonic foraminifer tests. However, field-based data (core-top sediments and plankton tows) from high salinity super-saturated settings have shown the additional presence of high-Mg inorganic precipitates leading to significant salinity (S) biases on the Mg/Ca palaeothermometer. Testing such synergistic effects between temperature, salinity and calcite saturation state would require an experimental design where all these parameters are varied systematically, but such experiments have yet to be conducted. Since the synergistic effects cannot presently be ruled out through culturing experiments, it is imperative to initially confirm the amplitude and geographic distribution of the detectable diagenetic precipitations (Scanning Electron Microscopy analysis) through field-based work, further quantify their importance (discrimination of distinct diagenetic stages and quantification of the diagenetic imprint) and finally estimate its potential effect on Mg/Ca-T calibration (e.g., overgrowth-corrected species-specific calibration equations). The example of the marginal high-salinity settings, among others, clearly highlights that the optimal use of Mg/Ca as a palaeotemperature proxy urgently requires the complementarity of both culture- and field-based data. To this end, we here present advantages and disadvantages to each approach. These insights reinforce the potential of the combined use of culture- and field-based foraminiferal studies, where possible, in order to minimize the observed inconsistencies, and to advance Mg/Ca thermometry by both providing a framework for better understanding the nature of Mg/Ca dependence on seawater temperature, and the effects of complicating factors.
    Źródło:
    Geological Quarterly; 2016, 60, 3; 547--560
    1641-7291
    Pojawia się w:
    Geological Quarterly
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Development and growth of Temora longicornis: numerical simulations using laboratory culture data
    Autorzy:
    Dzierzbicka-Glowacka, L.
    Lemieszek, A.
    Zmijewska, I.M.
    Powiązania:
    https://bibliotekanauki.pl/articles/48869.pdf
    Data publikacji:
    2011
    Wydawca:
    Polska Akademia Nauk. Instytut Oceanologii PAN
    Tematy:
    development
    growth rate
    numerical simulation
    Temora longicornis
    laboratory culture
    temperature
    food concentration
    duration
    growth parameter
    North Sea
    zooplankton
    diet
    herring
    sprat
    Opis:
    Quantitative expressions are presented to describe the effects of temperature and food concentration on stage duration and growth rate of Temora longicornis for each of the model stage groups (N1–N6 – naupliar stages, C1, C2, C3, C4, C5 –the five copepodid stages). The calculations were made on the basis of experimental data from the literature for T. longicornis from the south-eastern and the southern North Sea. Relationships were obtained between the growth parameters and temperature for the 5–10◦C temperature range and food concentrations from 25 mgC m−3 to excess. Also computed was the total mean development time as a function of the above-mentioned parameters, temperature and food availability. The simulations computed here are similar to the experimental results. The growth rates for successive stages were obtained according to the correction of the ‘Moult Rate’ method, which allows the use of mean weights and stage durations. The calculations also suggest that three complete generations of T. longicornis from the Gdańsk Deep (the southern Baltic Sea) can develop during a single year.
    Źródło:
    Oceanologia; 2011, 53, 1
    0078-3234
    Pojawia się w:
    Oceanologia
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Wplyw jonow magnezu na wzrost drozdzy piekarskich Saccharomyces cerevisiae
    Autorzy:
    Raczynska-Cabaj, A
    Lipinska, E
    Sobczak, E
    Powiązania:
    https://bibliotekanauki.pl/articles/826850.pdf
    Data publikacji:
    2003
    Wydawca:
    Polskie Towarzystwo Technologów Żywności
    Tematy:
    drozdze piekarskie
    wzrost drozdzy
    jony magnezu
    bioakumulacja
    magnez
    drozdzownictwo
    hodowla laboratoryjna
    Saccharomyces cerevisiae
    baker's yeast
    yeast growth
    manganese ion
    bioaccumulation
    manganese
    yeast industry
    laboratory culture
    Opis:
    Sprawdzono wpływ dodatku MgS04 7 H20 na wydajność biomasy komórkowej drożdży piekarskich. Zbadano również zdolność wiązania magnezu przez drożdże podczas hodowli na podłożu YPG i w warunkach przemysłowych. W skali przemysłowej ustalono, że celowe jest zwiększanie dodatku magnezu w poszczególnych propagacjach. W hodowli laboratoryjnej plon biomasy uzyskany z podłoża kontrolnego był istotnie mniejszy od plonów z hodowli doświadczalnych wzbogaconych w magnez (stężenie Mg 2+: 0,05; 0,3 i 0,5 g Mg2+ · dm-3 podłoża). Zaobserwowano, że wzrost zawartości magnezu w podłożu powodował zwiększenie ilości tego pierwiastka w biomasie komórkowej drożdży piekarskich.
    The influence of addition of MgS04-7H20 on biomass yield of Saccharomyces cerevisiae was evaluated in this study. Capacities of binding magnesium ions by S. cerevisiae yeast during cultivation on the YPG-medium (laboratory) and in the industrial scale were analyzed. It was stated that in the industrial conditions the higher amount of magnesium in the respective propagation is required. In the laboratory conditions the yield of yeast cultivated on the experimental media enriched with different amount (0,05, 0,3 and 0,5 g ·dm-3) of magnesium ions was also significantly higher than the yield from YPD - control medium. Growing concentration of magnesium ions in the experimental media caused the increasing of magnesium content in the yeast biomass.
    Źródło:
    Żywność Nauka Technologia Jakość; 2003, 10, 4; 69-76
    1425-6959
    Pojawia się w:
    Żywność Nauka Technologia Jakość
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Art as a laboratory – Guy Ben-Ary’s work
    Autorzy:
    Szykowna, Sylwia
    Powiązania:
    https://bibliotekanauki.pl/articles/923265.pdf
    Data publikacji:
    2019-06-15
    Wydawca:
    Uniwersytet im. Adama Mickiewicza w Poznaniu
    Tematy:
    bio art
    posthumanism
    new media art
    laboratory
    tissue culture
    collectivity
    Ars Electronica
    art world
    Guy Ben-Ary
    SymbioticA
    Opis:
    The present paper deals with the work of an Israeli artist, Guy Ben-Ary. His work is a prime example of artistic practice in the field of bio art. Bio art provokes critical thinking about the place and role of people in today’s world. The main purpose of the article is to describe changes in contemporary artistic practices within the framework of art as a laboratory, the aim of which is to study reality.  
    Źródło:
    Images. The International Journal of European Film, Performing Arts and Audiovisual Communication; 2019, 25, 34
    1731-450X
    Pojawia się w:
    Images. The International Journal of European Film, Performing Arts and Audiovisual Communication
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Laboratoria wspólnoty? Wokół literackich świadectw i pedagogicznych rozpoznań
    Laboratories of community? Around literary testimonies and pedagogical recognitions
    Autorzy:
    Rusek, Marta
    Powiązania:
    https://bibliotekanauki.pl/articles/28763168.pdf
    Data publikacji:
    2023
    Wydawca:
    Uniwersytet im. Adama Mickiewicza w Poznaniu
    Tematy:
    community
    eutorics
    transformation
    educational practice
    prefigurative humanities
    laboratory
    culture of coexistence
    wspólnota
    eutoryka
    przemiana
    edukacyjna praktyka
    humanistyka prefiguratywna
    laboratorium
    kultura współbycia
    Opis:
    Artykuł poświęcony jest odpowiedzi na pytanie, czy o szkole można myśleć jako o laboratorium wspólnoty. Analizie zostały poddane obrazy rozmaitych relacji funkcjonujących w środowisku szkolnym, które przynosi literatura różnych epok. Wskazano te kierunki w edukacyjnej praktyce, które pozwalają na rozwijanie kultury współbycia, zapobiegającej zjawiskom wykluczenia czy ostracyzmu. Inspiracji do takiego ujęcia dostarczyła koncepcja humanistyki skierowanej ku przyszłości, którą Ewa Domańska nazwała prefiguratywną. W myśl tej idei celem humanistyki jest wyobrażanie sobie jutra i kształtowanie jego możliwych scenariuszy. Podejście antropologiczne pozwoliło na połącznie perspektywy literaturoznawczej i pedagogicznej. Za podstawę myślenia o szkole jako laboratorium wspólnoty uznano praktykowanie eutoryki (termin wprowadzony przez Dorotę Korwin-Piotrowską, która opisała również tę dziedzinę retoryki).
    The article is dedicated to answering the question of whether school can be thought of as a laboratory of community. The analysis focuses on the images of various relations functioning in the school environment which are present in literature of different epochs. Indicated are these directions in educational practice which allow the development of the culture of coexistence that prevents the phenomena of exclusion or ostracism. The inspiration for such an approach was provided by the concept of future-oriented humanities, which Ewa Domańska called prefigurative. According to this idea, the objective of humanities is to imagine tomorrow and shape its possible scenarios. The anthropological approach made it possible to combine the literary and pedagogical perspectives. The practice of eutorics (a term introduced by Dorota Korwin-Piotrowska, who also described this field of rhetoric) was considered the basis for thinking about school as a laboratory of community.
    Źródło:
    Polonistyka. Innowacje; 2023, 17; 59-72
    2450-6435
    Pojawia się w:
    Polonistyka. Innowacje
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Teatr jako gabinet luster o inspiracjach antropologicznych przedstawienia Farmy w Jaskini
    Autorzy:
    Mogilnicka, Krystyna
    Powiązania:
    https://bibliotekanauki.pl/articles/973927.pdf
    Data publikacji:
    2012-06-01
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    Czech theatre
    laboratory-theatre / teatr laboratorium
    the theatre in theatre / teatr w teatrze
    theatre anthropology / antropologia teatru
    Afro-Brazilian culture / kultura afro-brazylijska
    Brazilian dramatic dance / brazylijskie tańce dramatyczne
    candomble
    Opis:
    The article presents the Czech laboratory-theatre Farma v jeskyni (Farm in the Cave) and its last performance, entitled The Theatre. It simultaneously addresses the anthropological inspirations influencing the form and subject of the performance: particularly two expeditions to Brazil during which the group came in contact with Afro-Brazilian culture, its theatrical forms, dance and musical motifs. Through a description of certain scenes of the play, the set design, the props and the stage action, the author shows these inspirations within the closed material of the artistic work. She considers the transposed significance of the utilised motifs, the function of the theatre in theatre, the role of the spectator and the actor-slave parallel.
    Źródło:
    Kultura i Społeczeństwo; 2012, 56, 2; 127-150
    2300-195X
    Pojawia się w:
    Kultura i Społeczeństwo
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-7 z 7

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