999 Tipps F R K Che Und Haushalt

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Botticelli Past And Present

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Author : Ana Debenedetti
language : en
Publisher: UCL Press
Release Date : 2019-01-08

Botticelli Past And Present written by Ana Debenedetti and has been published by UCL Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-01-08 with Art categories.

The recent exhibitions dedicated to Botticelli around the world show, more than ever, the significant and continued debate about the artist. Botticelli Past and Present engages with this debate. The book comprises four thematic parts, spanning four centuries of Botticelli’s artistic fame and reception from the fifteenth century. Each part comprises a number of essays and includes a short introduction which positions them within the wider scholarly literature on Botticelli. The parts are organised chronologically beginning with discussion of the artist and his working practice in his own time, moving onto the progressive rediscovery of his work from the late eighteenth to the turn of the twentieth century, through to his enduring impact on contemporary art and design. Expertly written by researchers and eminent art historians and richly illustrated throughout, the broad range of essays in this book make a valuable contribution to Botticelli studies.

References No 25162 28495 Abd Zve

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Author : Zdenek Sesták
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-12-18

References No 25162 28495 Abd Zve written by Zdenek Sesták and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-12-18 with Science categories.

The bib I iography includes papers in alI fields of photosynthesis research - from stu dies of model biochemical and biophysical systems of the photosynthesis mechanism to primary production studied by the so-cal led growth analysis. In addition to papers devoted entirely to photosynthesis, papers on other topics are included if they con tain data on photosynthetic activity, photorespiration, chloroplast structure, chlo rophyl I and carotenoid synthesis and destruction; etc., or if they contain valuable methodo I og i ca I information (measurement of se I ected env i ronmenta I ·factors, I eat area, etc.). In many branches it has been very difficult to define the I imits of interest for photosynthesis researchers. This problem has arisen e. g. in topics dealing with the transport of gases, where- in addition to the papers on C0 transfer- some pa 2 pers on water vapour transfer are included, these being of general application. On the other hand, many papers dealing with the anatomy and physiology of stomata have been omitted, if the aspect of carbon dioxide or water vapour exchange has not been discussed. This volume contains references to papers pub I ished in the year 1976, and, similarly to Vol. 6, also addenda including references pub I ished in the preceding period (i. e. 1966- 1975). The numbers of these additional references are label led with an asterisk in the I ist of references.

Plant Nutrients In Desert Environments

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Author : Arden D. Day
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06

Plant Nutrients In Desert Environments written by Arden D. Day and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Science categories.

Plant nutrients are found in a relatively thin layer of soil materials that covers all of the continents of the entire world. These plant nutrients provide the necessary food, clothing, and shelter for human existence. As the population of the world increases, the plant nutrients in desert environments become more and more important for the survival of mankind. Plant Nutrients in Desert Environments is a general information book for both professionals and laymen. The common plant nutrients present in deserts are identified, and detailed instructions are given on how to effectively utilize them in commercial agriculture, home gardening, home landscaping, for disturbed land reclamation and for recreational purposes. Outstanding photographs illustrate the topics.

Structure Function Relations Of Warm Desert Plants

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Author : Arthur C. Gibson
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06

Structure Function Relations Of Warm Desert Plants written by Arthur C. Gibson and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Science categories.

For centuries biologists have been extremely interested in the structure of desert plants as examples of natural selection to harsh environmental conditions. Indeed, desert plants are frequently used as examples in many biology classes and textbooks to illustrate natural selection, but this has led to an unfortunate litany of errors and misconceptions about desert plant adaptations. This new synthesis focuses on plants of lowland tropical and subtropical arid deserts. Readers will be surprised to discover that many features commonly ascribed to desert plants are rareley observed in the most common species. Instead, the typical structural adaptations of nonsucculent warm desert plants are now viewed as ways to maximize photosynthetic rate.

Physiological Ecology Of North American Desert Plants

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Author : Stanley D. Smith
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06

Physiological Ecology Of North American Desert Plants written by Stanley D. Smith and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Science categories.

Following a description of the physical and biological characterization of the four North American deserts together with the primary adaptations of plants to environmental stress, the authors go on to present case studies of key species. They provide an up-to-date and comprehensive review of the major patterns of adaptation in desert plants, with one chapter devoted to several important exotic plants that have invaded these deserts. The whole is rounded off with a synthesis of the resource requirements of desert plants and how they may respond to global climate change.

Homeostasis In Desert Reptiles

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Author : Sidney Donald Bradshaw
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06

Homeostasis In Desert Reptiles written by Sidney Donald Bradshaw and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Science categories.

Deserts, whether hot or cold, are considered to be one of the most difficult environments for living systems, lacking the essential free water which ac counts for approximately 60-70% of their body mass and more than 98% of their constituent atoms {Macfarlane 1978}. Amongst vertebrates, reptiles are usually thought of as the animals most adapted or suited to such environments because of their diurnal habit, based on a need for external heat, and their ability to survive far from obvious sources of water. This impression is rein forced when one examines the composition of vertebrate faunae characteristic of deserts and arid zones: reptiles predominate and they are often the only vertebrates to be found in hyper-arid areas, such as some parts of the Sahara {Monod 1973}. I recently had occasion to examine this assumption carefully, however, and was led inexorably to the conclusion that reptiles represent a particularly successful desert group, not because of their evolution of superior adaptations, but because of their possession of a basic suite of behavioural and physiologi cal characteristics that suit them uniquely to this very resource-limited environment {Bradshaw 1986a}. These fundamental reptilian characteristics are: 1. their low rates of metabolism, compared with birds and mammals, which result in extremely low rates of resource utilisation and lead to considerable economy in the handling of water 2.

Plants Of Desert Dunes

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Author : Avinoam Danin
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06

Plants Of Desert Dunes written by Avinoam Danin and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Science categories.

Based on three decades of field experience in southwest Asia, southern Africa, and the southwest United States, the author summarizes the major adaptations of plants to desert dunes. This integrative study of plant and diaspore morphology, reactive growth, life cycles, and environmental factors explains and predicts plant distribution. Many kinds of dune syndromes, plant case studies and vegetation transects are discussed and illustrated to clarify the significance of adaptations to specific habitat factors. Although the focus is on vascular plants, the development of microbiotic soil crust, its function, and its composition are discussed as well.

Seed Germination In Desert Plants

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Author : Yitzchak Gutterman
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06

Seed Germination In Desert Plants written by Yitzchak Gutterman and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Science categories.

During germination, the most resistant stage of the life cycle - the seed - changes to the most sensitive stage, namely the seedling. Therefore, in desert plant species seed dispersal and subsequent germination in the optimum time an place place are particularly critical parameters. Discussed here are the ways and means by which desert plants have adapted through the course of evolution to their extreme environment. Two such strategies which have evolved are a) plants with relatively large and protected seeds which germinate when the chance of seedling survival is high and the risk relatively low or b) those with an opportunistic strategy: minute seeds which germinate after low rainfall under high risk for seedling survival if additional rain does not follow. Most species adopt a combination of the two mechanisms. Species have adapted both genotypically and phenotypically, both aspects of which are also discussed in this thorough text. The reader is provided with a good understanding of the complex influences on each seed traced through from initial development to germination stage regarding germination preparation and subsequent survival.

Ars 45

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Author : United States. Agricultural Research Service
language : en
Publisher:
Release Date : 1957

Ars 45 written by United States. Agricultural Research Service and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1957 with Agriculture categories.

Ecophysiology Of Desert Arthropods And Reptiles

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Author : John L. Cloudsley-Thompson
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06

Ecophysiology Of Desert Arthropods And Reptiles written by John L. Cloudsley-Thompson and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Science categories.

Ecophysiology of Desert Arthropods and Reptiles starts with a new classification of the world's deserts, based upon the type of precipitation and the effect on their faunas of arthropods and reptiles. This is followed by an account of microclimates and the avoidance of environmental extremes. Whereas thermoregulation is primarily behavioural, responses to water shortage are largely physiological. Seasonal activity and phenology are described, adaptations for burrowing, the avoidance of enemies, and defence, are also outlined. A comparative account of interspecific relationships, feeding specializations, and species diversity in the two taxa is described. The purpose of the book is to provide a new and up-to-date analysis that will stimulate further research along these lines.