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Chosen articles on ecology and biology of ferns. Adaptive strategies at various levels of ferns organization
В наличии
Местонахождение: Алматы | Состояние экземпляра: новый |
Бумажная
версия
версия
Автор: Nina Derzhavina
ISBN: 9783659489877
Год издания: 2013
Формат книги: 60×90/16 (145×215 мм)
Количество страниц: 124
Издательство: LAP LAMBERT Academic Publishing
Цена: 25482 тг
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Аннотация: On the basis of study of 30 species epilithic and epiphytic ferns, and taking into account literature data, adaptive strategies and adaptive syndromes of their sporophytes are identified; morphofunctional types (MFT) of vascular epiphytes reflecting peculiarities of adaptation of their life forms to the environmental conditions of specific biomes were distinguished; evolutionary restrictions and compensatory adaptations in ferns gametophytes and sporophytes and possible ways of rhythmological evolution of ferns are outlined (on the basis of comparison of basal evergreen phenorhythmotype with derived rhythms occurring in temperate ferns). A complex analysis of photosynthetic apparatus of the plants at various levels of its organization was carried out: a) fronds, b) mesophyll cells, c) plastid apparatus. Structural types of frond anatomy are distinguished: hydromorphic, hygromorphic, mesomorphic, subxeromorphic, and subsucculent (cryptic succulent). Following frond traits are of highest adaptive value: their area and thickness, type of mesophyll, dry weight of an area unit – specific superficial density, cellular volume, number of cells per a unit of frond area.
Ключевые слова: spatial segregation, frond structural types, pycnophytes, subxerophytes, cryptic succulents, poikilohydricity, platylithophytes, chasmophytes, nanism, geophytization, morphofunctional types, physiofunctional types, phenorhythms, etionomic rhythms, apogamy, apospory, bryophily, CAM photosynthesis