Survival Strategies Of Annual Desert Plants
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Survival Strategies Of Annual Desert Plants
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Author : Yitzchak Gutterman
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Survival Strategies Of Annual 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.
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.
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.
Dispersal Biology Of Desert Plants
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Author : Karen van Rheede van Oudtshoorn
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-03-09
Dispersal Biology Of Desert Plants written by Karen van Rheede van Oudtshoorn 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 2013-03-09 with Science categories.
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.
Life At Extremes
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Author : Elanor Bell
language : en
Publisher: CABI
Release Date : 2012
Life At Extremes written by Elanor Bell and has been published by CABI this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012 with Science categories.
From arid deserts to icy poles, outer space to the depths of the sea, this exciting new work studies the remarkable life forms that have made these inhospitable environments their home. Covering not only micro-organisms, but also higher plants and animals such as worms, fish and polar plants, this book details the ecological, biological and biogeochemical challenges these organisms face and unifying themes between environments. Equally useful for the expert, student and casual scientific reader, this book also explores the impact of climate change, rapid seasonal changes and pollution on these extraordinary creatures.
Desert Plants
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Author : Kishan Gopal Ramawat
language : en
Publisher: Springer Science & Business Media
Release Date : 2009-12-16
Desert Plants written by Kishan Gopal Ramawat 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 2009-12-16 with Science categories.
Deserts appear very fascinating during our short visits. However, the lives of plants and animals are very dif?cult under the harsh climatic conditions of high tempe- ture and scant water supply in deserts, sometimes associated with high concent- tions of salt. The editor of this book was born and brought up in the Great Indian Desert, and has spent much of his life studying the growth and metabolism of desert plants. It is very charming on a cool summer evening to sit at the top of a sand dune listening only to blowing air and nothing else. It has been my dream to prepare a volume on desert plants encompassing various aspects of desert plant biology. In this book, I have tried to present functional and useful aspects of the vegetation resources of deserts along with scienti?c input aimed at understanding and impr- ing the utility of these plants. The scant vegetation of deserts supports animal life and provides many useful medicines, timber and fuel wood for humans. Therefore, there are chapters devoted to medicinal plants (Chap. 1), halophytes (Chaps. 13, 14), and fruit plants (Chaps. 17, 20). Desert plants have a unique reproductive biology (Chaps. 9–11), well-adapted eco-physiological and anatomical charact- istics (Chap. 7), and specialised metabolism and survival abilities. These plants are dif?cult to propagate and pose many problems to researchers developing biote- nological approaches for their amelioration (Chaps. 18–20).
The Encyclopedia Of Seeds
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Author : J. Derek Bewley
language : en
Publisher: CABI
Release Date : 2006
The Encyclopedia Of Seeds written by J. Derek Bewley and has been published by CABI this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006 with Technology & Engineering categories.
This is the first scholarly reference work to cover all the major scientific themes and facets of the subject of seeds. It outlines the latest fundamental biological knowledge about seeds, together with the principles of agricultural seed processing, storage and sowing, the food and industrial uses of seeds, and the roles of seeds in history, economies and cultures. With contributions from 110 expert authors worldwide, the editors have created 560 authoritative articles, illustrated with plentiful tables, figures, black-and-white and color photographs, suggested further reading matter and 670 supplementary definitions. The contents are alphabetically arranged and cross-referenced to connect related entries.
The Biology Of Deserts
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Author : David Ward
language : en
Publisher: Oxford University Press
Release Date : 2009
The Biology Of Deserts written by David Ward and has been published by Oxford University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009 with Nature categories.
This text offers a concise but comprehensive introduction to desert ecology. As with other titles in this series, the emphasis is on the organisms that dominate this harsh environment, although pollution, conservation and experimental aspects are also considered.
Seedling Ecology And Evolution
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Author : Mary Allessio Leck
language : en
Publisher: Cambridge University Press
Release Date : 2008-09-18
Seedling Ecology And Evolution written by Mary Allessio Leck and has been published by Cambridge University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008-09-18 with Science categories.
Seedlings are highly sensitive to their environment. After seeds, they typically suffer the highest mortality of any life history stage. This book provides a comprehensive exploration of the seedling stage of the plant life cycle. It considers the importance of seedlings in plant communities; environmental factors with special impact on seedlings; the morphological and physiological diversity of seedlings including mycorrhizae; the relationship of the seedling with other life stages; seedling evolution; and seedlings in human altered ecosystems, including deserts, tropical rainforests, and habitat restoration projects. The diversity of seedlings is portrayed by including specialised groups like orchids, bromeliads, and parasitic and carnivorous plants. Discussions of physiology, morphology, evolution and ecology are brought together to focus on how and why seedlings are successful. This important text sets the stage for future research and is valuable to graduate students and researchers in plant ecology, botany, agriculture and conservation.
The Biology Of Seeds
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Author : Gregorio Nicolas
language : en
Publisher: CABI
Release Date : 2003
The Biology Of Seeds written by Gregorio Nicolas and has been published by CABI this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003 with Nature categories.
This book presents edited and revised papers from the seventh International Workshop on Seeds, held in Salamanca, Spain, in May 2002. The key topics addressed include seed development, germination and dormancy, as well as desiccation, seed ecology and seed biotechnology.
Surviving The Desert
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Author : Gregory J. Davenport
language : en
Publisher: Stackpole Books
Release Date : 2004
Surviving The Desert written by Gregory J. Davenport and has been published by Stackpole Books this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004 with Reference categories.
Travel safely through extreme environments Find water, dress for the environment, create a campsite, signal, and navigate in the desert Series author Greg Davenport has appeared on ABC's Primetime Thursday and CBS's 48 Hours The techniques and equipment necessary for surviving in the desert are made more challenging by the intense sunlight, wide temperature range, sparse vegetation, and sandstorms, but Greg Davenport shares how to deal with the toughest conditions. Learn how to avoid insects and snakes. Photos and drawings illustrate gear and techniques necessary for survival in the rough and dangerous terrain.