Temat: Scholaris - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Portal Scholaris jako platforma cyfrowej edukacji wczesnoszkolnej – zmiana czy cementowanie utartych ścieżek dydaktycznych?
The Scholaris portal as a platform of digital early childhood education – the change or strengthening of usual didactic paths?
Autorzy:: Nowicka, Marzenna
Powiązania:: https://bibliotekanauki.pl/articles/1387803.pdf
Data publikacji:: 2018-06-30
Wydawca:: Uniwersytet Gdański. Wydawnictwo Uniwersytetu Gdańskiego
Tematy:: learning environment
education discourses
school digitalization
Scholaris
Opis:: Scholaris is a portal of MEN agenda with educational electronic resources designated for teachers of all stages of education. The aim of the research was to identify the promoted model of digital early childhood education. An analysis of the content of portal showed a focus on technology being used to illustrate the content covered by the teaching program, limitation of openness to other communities and places on the internet, negligence of the communication between education entities and the hegemony of digital content for the teacher to reproduce. The digitality on the portal is seen as a visual-sound enhancement of classes and the technical facilitation of the teacher’s work. In spite of the current innovative trends, the general model promoted on the website is seen as functional-behavioral.
Źródło:: Problemy Wczesnej Edukacji; 2018, 41, 2; 37-47
1734-1582
2451-2230
Pojawia się w:: Problemy Wczesnej Edukacji
Dostawca treści:: Biblioteka Nauki

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Tytuł:: Galls on Alstonia scholaris leaves as air pollution indicator
Autorzy:: Talukdar, Partha
Das, Kaushiki
Dhar, Shrinjana
Talapatra, Soumendra Nath
Swarnakar, Snehasikta
Powiązania:: https://bibliotekanauki.pl/articles/1189972.pdf
Data publikacji:: 2016
Wydawca:: Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:: Automobile air pollution
gall formation
bioindicator plant
leaf morphology and anatomy
Air Pollution Index (API)
Alstonia scholaris
Opis:: Air pollution arises mainly from automobiles and industries is well known fact. Monitoring and detection by instrument cannot be possible everywhere however, indication from plant species by their alterations in leaf morphology and anatomy may be a suitable easy screening measurement. The present study aims to detect morphological features with special reference to gall quantification and anatomy of leaves of Alstonia scholaris R. Br., found in eastern Indian urban and suburban area that are exposed to vehicular emission. The results indicated alterations of leaf morphology along with length (L), breadth (B), L/B ratio and significantly increased (P < 0.001, 0.01 and 0.05) Air Pollution Index (API). It is concluded that vehicular emission can be monitored as an early indication through increased API in A. scholaris. Further research would be needed in relation to secondary metabolites alteration, biochemical and genetic parameters to know pollutant susceptibility as an indicator. In addition, anatomical abnormalities in gall formation as well as numbers were also pronounced in leaves exposed to various load of air pollution.
Źródło:: World Scientific News; 2016, 52; 181-194
2392-2192
Pojawia się w:: World Scientific News
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: Assessment of morphological damages of leaves of selected plant species due to vehicular air pollution, Kolkata, India
Autorzy:: Nandy, A.
Talapatra, S.N.
Bhattacharjee, P.
Chaudhuri, P.
Mukhopadhyay, A.
Powiązania:: https://bibliotekanauki.pl/articles/10892.pdf
Data publikacji:: 2014
Wydawca:: Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:: assessment
morphological damage
leaf
plant species
Ficus bengalensis
Ficus religiosa
Alstonia scholaris
Neolamarckia cadamba
vehicular traffic
air pollution
biomonitoring
India
Opis:: The present study deals to know morphological damages of leaves of four selected plant species near roadside due to vehicular air pollution in Kolkata, India. The selected plant species are Ficus bengalensis, Ficus religiosa, Alstonia scholaris and Neolamarckia cadamba as these are very common as avenue trees. The study area was selected as per Low vehicular load (LVL) as control area, moderate vehicular load (MVL) area, high vehicular load (HVL) area and heavy vehicular load (HeVL) These three sampling stations were selected on the basis of moderate, high and heavy traffic density and continuous vehicular movement as per visualization. The control area was considered as time dependent vehicular movement due to less traffic density. The morphological damages with special reference to length (L), breadth (B) and L/B ratio and visible injuries in leaves. The visible injuries such as pigmentation, chlorosis, necrosis and burning of leaves of four selected species is documented. There was an increasing and decreasing tends in all four plant species at all three vehicular emission exposed sites (MVL, HVL and HeVL) compared to control site (LVL). In all experimental sites such as MVL, HVL and HeVL, the extra growth and reduction pattern significantly (P < 0.001, 0.01 or 0.05) observed when compared to control site (LVL) for L, B and L/B ratio. The visible injuries (in %) of leaves were also observed in increasing trends. This study is a preliminary assessment of tolerant species that already have been used in greenbelt development to protect air pollutants as well as biological monitoring to know exact load of automobile air pollution but further researches are needed in relation to biochemical and genetic damage study. It was observed that out of four selected species Ficus bengalensis, Alstonia scholaris and Neolamarckia cadamba are more tolerant species and Ficus religiosa is a less tolerant species because of these may have fighting abilities by waxy coatings, accumulation and degradation abilities to vehicular air pollution at all exposed area when compared to control area.
Źródło:: International Letters of Natural Sciences; 2014, 04
2300-9675
Pojawia się w:: International Letters of Natural Sciences
Dostawca treści:: Biblioteka Nauki

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