Seed Germination In Desert Plants

Seed Germination in Desert Plants PDF
Author: Yitzchak Gutterman
Publisher: Springer Science & Business Media
ISBN: 3642756980
Size: 76.10 MB
Format: PDF, ePub
Category : Science
Languages : en
Pages : 253

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Seed Germination In Desert Plants

by Yitzchak Gutterman, Seed Germination In Desert Plants Books available in PDF, EPUB, Mobi Format. Download Seed Germination In Desert Plants books, 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.



Survival Strategies Of Annual Desert Plants

Survival Strategies of Annual Desert Plants PDF
Author: Yitzchak Gutterman
Publisher: Springer Science & Business Media
ISBN: 3642559743
Size: 21.57 MB
Format: PDF, ePub
Category : Science
Languages : en
Pages : 348

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Survival Strategies Of Annual Desert Plants

by Yitzchak Gutterman, Survival Strategies Of Annual Desert Plants Books available in PDF, EPUB, Mobi Format. Download Survival Strategies Of Annual Desert Plants books, 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

Dispersal Biology of Desert Plants PDF
Author: Karen van Rheede van Oudtshoorn
Publisher: Springer Science & Business Media
ISBN: 3662035618
Size: 65.62 MB
Format: PDF, ePub, Mobi
Category : Science
Languages : en
Pages : 242

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Dispersal Biology Of Desert Plants

by Karen van Rheede van Oudtshoorn, Dispersal Biology Of Desert Plants Books available in PDF, EPUB, Mobi Format. Download Dispersal Biology Of Desert Plants books, 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.



Seeds

Seeds PDF
Author: Carol C. Baskin
Publisher: Elsevier
ISBN: 9780120802630
Size: 11.23 MB
Format: PDF, Docs
Category : Science
Languages : en
Pages : 666

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Seeds

by Carol C. Baskin, Seeds Books available in PDF, EPUB, Mobi Format. Download Seeds books, The evolution of seeds has contributed to one of the most astonishing explosions of biodiversity in history. Indeed, most plants employ seeds as reproductively crucial structures. Everything about seeds involves timing. Seeds result from fertilization occurring when conditions are favorable, i.e., after sufficient resources have been devoted to reproductive tissues. Furthermore, seeds help ensure that there are the necessary stored materials for the early growth and development of the next generation of plants. And finally, seeds allow the next generation to wait in a form of suspended animation until conditions for the next generation are once again favorable. This book about seeds focuses upon their two most important functions-dormancy and germination. The topics covered include the types of dormancy, theories of the relationship between dormancy and germination, the timing of germination, the various factors that control germination, and the general aspects of germination in different sorts of habitats. Ecologists, plant scientists, agriculturists, foresters-indeed, anyone interested in plants and their life cycles will want to add this title to his or her library.



Seeds

Seeds PDF
Author: Michael Fenner
Publisher: CABI
ISBN: 9780851999470
Size: 55.34 MB
Format: PDF, ePub, Docs
Category : Science
Languages : en
Pages : 410

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Seeds

by Michael Fenner, Seeds Books available in PDF, EPUB, Mobi Format. Download Seeds books, This new edition of a successful text, originally published in 1992, has been thoroughly revised and updated to include recent advances. In addition, new chapters have been introduced to ensure comprehensive coverage of all aspects of seed ecology. These include evolutionary ecology of seedsize, the roles of fire and of gaps in regeneration and seedling colonization. Chapters are written by internationally acknowledged experts to give a comprehensive overview of all aspects of seed ecology which will be invaluable to advanced students and researchers in seed science and plantecology.



Reclaiming The Desert Towards A Sustainable Environment In Arid Lands

Reclaiming the Desert  Towards a Sustainable Environment in Arid Lands PDF
Author: A.M.O. Mohamed
Publisher: CRC Press
ISBN: 1439833826
Size: 65.41 MB
Format: PDF, Docs
Category : Nature
Languages : en
Pages : 300

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Reclaiming The Desert Towards A Sustainable Environment In Arid Lands

by A.M.O. Mohamed, Reclaiming The Desert Towards A Sustainable Environment In Arid Lands Books available in PDF, EPUB, Mobi Format. Download Reclaiming The Desert Towards A Sustainable Environment In Arid Lands books, A comprehensive collection of contributions from the Middle East and Japan, dealing with pressing problems concerning sustainability in arid zones, this time with the accent on environmental science and engineering. The symposium brought together researchers and field engineers who discussed issues such as sulphur utilization in agriculture and construction engineering, renewable energy sources, and hazardous and waste-water treatment technologies. At a broader level, compliance with the Kyoto Protocol was on the agenda, with lively debate on global warming issues, which are of particular relevance to the ecology of arid lands.



Regeneration Of Plants In Arid Ecosystems Resulting From Patch Disturbance

Regeneration of Plants in Arid Ecosystems Resulting from Patch Disturbance PDF
Author: Yitzchak Gutterman
Publisher: Springer Science & Business Media
ISBN: 9401596301
Size: 18.50 MB
Format: PDF, Mobi
Category : Science
Languages : en
Pages : 246

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Regeneration Of Plants In Arid Ecosystems Resulting From Patch Disturbance

by Yitzchak Gutterman, Regeneration Of Plants In Arid Ecosystems Resulting From Patch Disturbance Books available in PDF, EPUB, Mobi Format. Download Regeneration Of Plants In Arid Ecosystems Resulting From Patch Disturbance books, The main subject of this book is the interaction between diggings created by porcupines when consuming geophytes, and their influences on annual and perennial vegetation in a desert biome. The accumulation of run-off water in diggings and depressions made by animals increases the carrying capacity of these microhabitats in the desert biome. The accumulation of run-off water does not only benefit the natural vegetation; a system of human-made depressions can be evolved to increase the catchment of the run-off water that is typical to many desert habitats, and can lead to run-off agriculture in such areas. This book will be of interest to anyone working in the fields of development of deserts from the ecological point of view, water resources, soil protection and erosion, plant ecophysiology and settlement, and agronomy. It will be helpful to students, researchers, teachers, and anyone interested in any of these areas.



Plants In The Deserts Of The Middle East

Plants in the Deserts of the Middle East PDF
Author: Kamal H. Batanouny
Publisher: Springer Science & Business Media
ISBN: 3662044803
Size: 47.74 MB
Format: PDF, ePub, Docs
Category : Science
Languages : en
Pages : 194

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Plants In The Deserts Of The Middle East

by Kamal H. Batanouny, Plants In The Deserts Of The Middle East Books available in PDF, EPUB, Mobi Format. Download Plants In The Deserts Of The Middle East books, Usually authors write introductions for their books, although they know that not many readers will read it. Despite this, authors insist on writing an introduction and no publisher will publish a book without one. I would like to inform my dear readers that I have spent almost all of the first quarter of my life in a village in the Nile Delta, 65 km north of Cairo. The everyday scenery there was the beautiful green landscape dissected with canals full of running water. All of these were bordered with the huge sycamore, mulberry and acacia trees. The desert was something unknown to me at that time, except for the very basic information given in geography books, which explained that the desert is a place without water or cultiva tion. Some of my ideas about the desert came to me from the stories in the history of Islam and the desert lands where Islam originated. My real attraction to the desert developed in the last year of my under graduate studies. This was during the field courses in Ecology (Prof. A.M.



Proceedings Rmrs

Proceedings RMRS  PDF
Author:
Publisher:
ISBN:
Size: 13.80 MB
Format: PDF, ePub, Mobi
Category : Forests and forestry
Languages : en
Pages :

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Proceedings Rmrs

by , Proceedings Rmrs Books available in PDF, EPUB, Mobi Format. Download Proceedings Rmrs books,