Ecophysiology Of Economic Plants In Arid And Semi Arid Lands

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Ecophysiology of Economic Plants in Arid and Semi-Arid Lands

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Author by : Gerald E. Wickens
Languange Used : English, France, Spanish, Italia and chinese
Page : 343
Isbn : 3662037009
Identifier : 9783662037003
Release : 2013-04-17
Publisher by : Springer Science & Business Media
Category : Science
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Description : Read Now Ecophysiology Of Economic Plants In Arid And Semi Arid Lands by Gerald E. Wickens and you can download with pub, pdf, txt, doc, and more file format with free account. this book deals with arid and semi-arid environments and their classification, and the physiological restraints and adaptations of plants to the environment. further, it discusses economic botany and the needs and methods of conserving economic plants. a broad view is taken regarding the definition of economic plants, taking into account their value to the environment as well as to man and to livestock. the individual deserts and associated semi-arid regions are described in separate chapters, providing background information on the regional environments in terms of climate and major plant formations. the economic plants within these formations, their usages, geographical distribution together with their morphological and physiological adaptations are treated in detail.

Encyclopedia of Deserts

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Author by : Michael A. Mares
Languange Used : English, France, Spanish, Italia and chinese
Page : 654
Isbn : 0806131462
Identifier : 9780806131467
Release : 1999
Publisher by : University of Oklahoma Press
Category : Nature
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Description : Read Now Encyclopedia Of Deserts by Michael A. Mares and you can download with pub, pdf, txt, doc, and more file format with free account. encyclopedia of deserts represents a milestone: it is the first comprehensive reference to the first comprehensive reference to deserts and semideserts of the world. approximately seven hundred entries treat subjects ranging from desert survival to the way deserts are formed. topics include biology (birds, mammals, reptiles, amphibians, fishes, invertebrates, plants, bacteria, physiology, evolution), geography, climatology, geology, hydrology, anthropology, and history. the thirty-seven contributors, including volume editor michael a. mares, have had extensive careers in deserts research, encompassing all of the world’s arid and semiarid regions. the encyclopedia opens with a subject list by topic, an organizational guide that helps the reader grasp interrelationships and complexities in desert systems. each entry concludes with cross-references to other entries in the volume, inviting the reader to embark on a personal expedition into fascinating, previously unknown terrain. in addition a list of important readings facilitates in-depth study of each topic. an exhaustive index permits quick access to places, topics, and taxonomic listings of all plants and animals discussed. more than one hundred photographs, drawings, and maps enhance our appreciation of the remarkable life, landforms, history, and challenges of the world’s arid land.

Survival Strategies of Annual Desert Plants

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Author by : Yitzchak Gutterman
Languange Used : English, France, Spanish, Italia and chinese
Page : 348
Isbn : 9783540431725
Identifier : 3540431721
Release : 2002-08-28
Publisher by : Springer Science & Business Media
Category : Science
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Description : Read Now Survival Strategies Of Annual Desert Plants by Yitzchak Gutterman and you can download with pub, pdf, txt, doc, and more file format with free account. annual desert plant species of unrelated taxa in the negev desert of israel have developed complementary sets of adaptations and survival strategies as ecological equivalents with physiological, morphological and anatomical resemblances, in the various stages of their life cycles. after 40 years of research in hot deserts yitzchak gutterman provides a comprehensive treatise of such adaptations and strategies. in doing so he covers the following topics: post-maturation primary seed dormancy, which prevents germination of maturing seeds before the summer; seed dispersal mechanisms with escape or protection strategies; cautious or opportunistic germination strategies; seedling drought tolerance. the day-length is an important factor in regulating flowering as well as the phenotypic plasticity of seed germination which is also affected by maternal factors.

Dispersal Biology of Desert Plants

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Author by : Karen van Rheede van Oudtshoorn
Languange Used : English, France, Spanish, Italia and chinese
Page : 242
Isbn : 9783540648864
Identifier : 3540648860
Release : 1998-12-04
Publisher by : Springer Science & Business Media
Category : Science
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Description : Read Now Dispersal Biology Of Desert Plants by Karen van Rheede van Oudtshoorn and you can download with pub, pdf, txt, doc, and more file format with free account. dispersal processes have important effects on plant distribution and abundance. although adaptations to long range dispersal (telechory) are by no means rare in desert plants, many desert plant species do not possess any features to promote dispersal (atelechory), while others have structures that hamper dispersal (antitelechory). the high frequency with which atelechorous and antitelechorous mechanisms are present in plants inhabiting arid areas indicates the importance of these adaptations. among the benefits derived from these adaptations are the spreading of germination over time, the provision of suitable conditions for germination and subsequent seedling establishment, and the maintenance of a reservoir of available seeds (seed bank). this book describes the ways and means - anatomical, morphological and ecological - by which dispersal in desert plants has evolved to ensure the survival of these species in their harsh and unpredictable environment.

Author by : G.E. Wickens
Languange Used : English, France, Spanish, Italia and chinese
Page : 496
Isbn : 940116830X
Identifier : 9789401168304
Release : 2012-12-06
Publisher by : Springer Science & Business Media
Category : Science
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Description : Read Now Plants For Arid Lands by G.E. Wickens and you can download with pub, pdf, txt, doc, and more file format with free account. economic plants have been defined by sepasat as those plants that are utilised either directly or indirectly for the benefit of man. indirect usage includes the needs of man's livestock and the maintenance of the environment; the benefits may be domestic, commercial or aesthetic. economic plants constitute a large and so far uncalculated percentage of the quarter of a million higher plants in the world today. however, it has been calculated that 10% (25 000) of these species are now on the verge of extinction and extinction means that a genetic resource that could be of benefit to man will be lost for ever. furthermore, for every species lost an estimated 10-30 other dependent organisms are also doomed. fewer than 1 per cent of the world's plants have been sufficiently well studied for a true evaluation of the potential floral wealth awaiting discovery, not only in the rain forests, which man is now actively destroying at a rate of 20 ha a minute, but also in the very much neglected dry areas of the world.

Life Strategies of Succulents in Deserts With Special Reference to the Namib Desert

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Author by : Dieter J. von Willert
Languange Used : English, France, Spanish, Italia and chinese
Page : 340
Isbn : 9780521244688
Identifier : 0521244684
Release : 1992-02-13
Publisher by : CUP Archive
Category : Nature
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Description : Read Now Life Strategies Of Succulents In Deserts by Dieter J. von Willert and you can download with pub, pdf, txt, doc, and more file format with free account. a consideration of the ecological strategies which enable plants to survive and grow in hostile desert conditions, first published in 1992.

Arid Zone Irrigation

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Author by : Bruno Yaron
Languange Used : English, France, Spanish, Italia and chinese
Page : 434
Isbn : 364265570X
Identifier : 9783642655708
Release : 2012-12-06
Publisher by : Springer Science & Business Media
Category : Science
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Description : Read Now Arid Zone Irrigation by Bruno Yaron and you can download with pub, pdf, txt, doc, and more file format with free account. a book previously published within the framework of the ecological studies series, entitled "physical aspects of soil water and salts in ecosystems" included awidespectrum of research papers devoted to new findings in the field of soil-plant-water relationships. "arid zone irrigation" has been written specifically as a textbook for agronomists, soil scientists, agrometeorologists, water engineers and plant physiologists who want a clear presentation of irrigation fundamentals in arid and semi-arid zones. it was our intention to provide an understanding of the basic principles governing irrigation technology and to help overcome the problem of water shortage in arid zone agriculture. this book, written by a large number of specialists and covering a broad spectrum of different disciplines, is based on general up-to-date information, as well as on the results of the authors' own research. the idea of preparing such a textbook was conceived during a series of international advanced courses on irrigation held annually at the institute of soils and water, agricul tural research organization, volcani center, bet dagan, israel. the final organization of the material has been influenced by discussions with colleagues from sweden and holland and the participants in our summer courses. grateful acknowledgements are due to professor calvin c. rose, csiro, canberra, australia, professor dale swartzendruber, purdue university, lafayetta, u.s.a., and dr. shlomo p. neuman, agricultural research organization, bet dagan, israel, for their many helpful suggestions during critical reading of the manuscript. we thank also mrs.

Structure-Function Relations of Warm Desert Plants

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Author by : Arthur C. Gibson
Languange Used : English, France, Spanish, Italia and chinese
Page : 215
Isbn : 9783540592679
Identifier : 3540592679
Release : 1996-10-02
Publisher by : Nelson Thornes
Category : Science
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Description : Read Now Structure Function Relations Of Warm Desert Plants by Arthur C. Gibson and you can download with pub, pdf, txt, doc, and more file format with free account. 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.

Poisonous Plants A Field Guide

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Author by : Ralph M. Dowling
Languange Used : English, France, Spanish, Italia and chinese
Page : 164
Isbn : 9780724239825
Identifier : 0724239820
Release : 1993
Publisher by : no defined
Category : Livestock poisoning plants
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Description : Read Now Poisonous Plants by Ralph M. Dowling and you can download with pub, pdf, txt, doc, and more file format with free account. reference for anyone involved in the care of livestock which describes and illustrates the major poisonous plants affecting cattle, sheep, goats, horses and pigs in queensland. information is provided on habitat and distribution of plants, recognition of affected animals as well as management of plant control and treatment of stock. includes an appendix on preparing botanical specimens for identification, a glossary and an index.

The future of drylands international scientific conference on desertification and drylands research, Tunis, Tunisia, 19-21 June 2006

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Author by : Cathy Lee
Languange Used : English, France, Spanish, Italia and chinese
Page : 855
Isbn :
Identifier : UOM:39015075674963
Release : 2008-01-31
Publisher by : United Nations Educational
Category : Business & Economics
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Description : Read Now The Future Of Drylands by Cathy Lee and you can download with pub, pdf, txt, doc, and more file format with free account. dryland ecosystems support a surprising amount of biodiversity; desertification, however, is a significant land degradation problem in the arid, semi-arid and dry sub-humid regions of the world. the situation is likely to worsen with high population growth rates and accompanying land-use conflicts. the contributions to this publication, an international scientific conference held under the leadership of unesco, address these issues and offer practical solutions for combating desertification along with conserving and sustainably managing dryland ecosystems. this volume documents how improved understanding of drylands provides insight into the health and future prospects of these ecosystems that should help ensure that dryland communities enjoy a sustainable future.--publisher's description.

Ecophysiology of High Salinity Tolerant Plants

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Author by : M. Ajmal Khan
Languange Used : English, France, Spanish, Italia and chinese
Page : 404
Isbn : 9781402040184
Identifier : 1402040180
Release : 2006-05-16
Publisher by : Springer Science & Business Media
Category : Science
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Description : Read Now Ecophysiology Of High Salinity Tolerant Plants by M. Ajmal Khan and you can download with pub, pdf, txt, doc, and more file format with free account. the halophytes are highly specialized plants, which have greater tolerance to salt. they can germinate, grow and reproduce successfully in saline areas which would cause the death of regular plants. most halophytic species are found in salt marsh systems along seashores or around landlocked inland lakes and flat plains with high evaporation. the halophytes play very significant role in the saline areas specially in the coast by overcoming the salinity in different ways, viz. with regulating mechanisms in which excess salts are excreted and with out regulating mechanism, which may include succulents or cumulative types. besides that they protect coast from erosion and cyclones, provide feeding ground and nursery for fish, shrimps and birds. halophytes get increasing attention today because of the steady increase of the salinity in irrigation systems in the arid and semi-arid regions where the increasing population reaches the limits of freshwater availability. in many countries, halophytes have been successfully grown on saline wasteland to provide animal fodder and have the potential for rehabilitation and even reclamation of these sites. the value of certain salt-tolerant grass species has been recognized by their incorporation in pasture improvement programs in many salt affected regions throughout the world. there have been recent advances in selecting species with high biomass and protein levels in combination with their ability to survive a wide range of environmental conditions, including salinity.

Dryland Ecohydrology

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Author by : Paolo D'Odorico
Languange Used : English, France, Spanish, Italia and chinese
Page : 341
Isbn : 9781402042591
Identifier : 1402042590
Release : 2006-01-09
Publisher by : Springer Science & Business Media
Category : Science
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Description : Read Now Dryland Ecohydrology by Paolo D'Odorico and you can download with pub, pdf, txt, doc, and more file format with free account. combining the analysis of biotic and abiotic components of terrestrial ecosystems, this volume provides a synthesis of material on arid and semiarid landscapes. it presents the principles of eco-hydrology as well as a spectrum of topics and advances in this research field.