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The Ecology of Seeds

The Ecology of Seeds PDF Author: Michael K. Fenner
Publisher: Cambridge University Press
ISBN: 9780521653688
Category : Science
Languages : en
Pages : 250

Book Description
What determines the number and size of the seeds produced by a plant? How often should it reproduce them? How often should a plant produce them? Why and how are seeds dispersed, and what are the implications for the diversity and composition of vegetation? These are just some of the questions tackled in this wide-ranging review of the role of seeds in the ecology of plants. The authors bring together information on the ecological aspects of seed biology, starting with a consideration of reproductive strategies in seed plants and progressing through the life cycle, covering seed maturation, dispersal, storage in the soil, dormancy, germination, seedling establishment, and regeneration in the field. The text encompasses a wide range of concepts of general relevance to plant ecology, reflecting the central role that the study of seed ecology has played in elucidating many fundamental aspects of plant community function.

The Ecology of Seeds

The Ecology of Seeds PDF Author: Michael K. Fenner
Publisher: Cambridge University Press
ISBN: 9780521653688
Category : Science
Languages : en
Pages : 250
Book Description
What determines the number and size of the seeds produced by a plant? How often should it reproduce them? How often should a plant produce them? Why and how are seeds dispersed, and what are the implications for the diversity and composition of vegetation? These are just some of the questions tackled in this wide-ranging review of the role of seeds in the ecology of plants. The authors bring together information on the ecological aspects of seed biology, starting with a consideration of reproductive strategies in seed plants and progressing through the life cycle, covering seed maturation, dispersal, storage in the soil, dormancy, germination, seedling establishment, and regeneration in the field. The text encompasses a wide range of concepts of general relevance to plant ecology, reflecting the central role that the study of seed ecology has played in elucidating many fundamental aspects of plant community function.

Seed Ecology

Seed Ecology PDF Author: M.W. Fenner
Publisher: Springer Science & Business Media
ISBN: 9400948441
Category : Science
Languages : en
Pages : 151
Book Description
This book is about the regeneration of plants from seed under field conditions. It attempts to give a reasonably balanced overview of the many aspects of this broad topic. The first chapter introduces some general ideas about reproduction in plants. Subsequent chapters deal with the early stages in the life of a plant, from ovule to established seedling, in a more or less chronological order. The final chapter shows how the data on regeneration requirements of different species can be used to explain a number of important characteristics of whole plant communities. The study of the ecological aspects of reproduction by seed touches on a range of issues of current interest in biology. A discussion of seed size and number involves a consideration of the concepts of resource allocation, life cycles and strategies. The in teractions between plants and animals seen in pollination, seed dispersal and predation provide excellent material for the study of coevolution. Investigations on regeneration from seed have greatly our understanding of the causes and maintenance of species added to diversity. The reader will find that virtually all the experiments and field observations described in this book are conceptually very simple. Many of them merely required numerous careful measurements.

Seeds

Seeds PDF Author: M. (Ed.) FENNER
Publisher:
ISBN:
Category :
Languages : en
Pages : 410
Book Description
Reproductive allocation in plants; The evolutionary ecology of seed size; Maternal effects on seeds during development; The ecology of seed dispersal; Animals as seed dispersers; Fruits and frugivory; Seed predators and plant populations dynamics; Dormancy, viability and longevity; The functional ecology of soil seed banks; Seed responses to light; The role of temperature in the regulation of seed dormancy and germination; Effect of chemical environment on seed germination; Role of fire in regeneration from seed; Ecology of seedling regeneration; The contribution of seedling regeneration to the structure and dynamics of plant communities, ecosystems and larger units of landscape; Gaps and seedling colonization.

Seeds, 3rd Edition

Seeds, 3rd Edition PDF Author: Robert S Gallagher
Publisher: CABI
ISBN: 1780641834
Category : Technology & Engineering
Languages : en
Pages : 320
Book Description
The 3rd edition of Seeds: The Ecology of Regeneration in Plant Communities highlights the many advances in the field of seed ecology and its relationship to plant community dynamics that have taken place in recent years. The new edition also features chapters on seed development and morphology, seed chemical ecology, implications of climate change on regeneration by seed, and the functional role of seed banks in agricultural and natural ecosystems. The book is aimed at advanced level students and researchers in the fields of seed science, seed ecology and plant ecology.

Ecology of Soil Seed Banks

Ecology of Soil Seed Banks PDF Author: Mary Allessio Leck
Publisher: Elsevier
ISBN: 0323148654
Category : Nature
Languages : en
Pages : 484
Book Description
Ecology of Soil Seed Banks examines the factors that influence seed bank dynamics and the variety of patterns found among different species. This book presents seed banks in a community context to explore the ecological implications of different patterns, and thus begin the development of a synthesis by comparing various communities. Organized into five parts, this book first examines the general processes that influence inputs or losses from the seed bank, including predation, dormancy/germination mechanisms, and their evolutionary importance. Then, this text examines seed banks in a community context. Only eight vegetation types are included, but the range in diversity of life form, length of growing season, and dominant environmental conditions allow comparisons of seed bank patterns. This book also explores the role of seed banks in vegetation management. This reference material will be a valuable reference material to population and community ecologists and managers. Evolutionary consequences of seed banks should be of interest to population and theoretical biologists.

Seeds

Seeds PDF Author: Carol C. Baskin
Publisher: Elsevier
ISBN: 0124166830
Category : Science
Languages : en
Pages : 1600
Book Description
The new edition of Seeds contains new information on many topics discussed in the first edition, such as fruit/seed heteromorphism, breaking of physical dormancy and effects of inbreeding depression on germination. New topics have been added to each chapter, including dichotomous keys to types of seeds and kinds of dormancy; a hierarchical dormancy classification system; role of seed banks in restoration of plant communities; and seed germination in relation to parental effects, pollen competition, local adaption, climate change and karrikinolide in smoke from burning plants. The database for the world biogeography of seed dormancy has been expanded from 3,580 to about 13,600 species. New insights are presented on seed dormancy and germination ecology of species with specialized life cycles or habitat requirements such as orchids, parasitic, aquatics and halophytes. Information from various fields of science has been combined with seed dormancy data to increase our understanding of the evolutionary/phylogenetic origins and relationships of the various kinds of seed dormancy (and nondormancy) and the conditions under which each may have evolved. This comprehensive synthesis of information on the ecology, biogeography and evolution of seeds provides a thorough overview of whole-seed biology that will facilitate and help focus research efforts. Most wide-ranging and thorough account of whole-seed dormancy available Contains information on dormancy and germination of more than 14,000 species from all the continents – even the two angiosperm species native to the Antarctica continent Includes a taxonomic index so researchers can quickly find information on their study organism(s) and Provides a dichotomous key for the kinds of seed dormancy Topics range from fossil evidence of seed dormancy to molecular biology of seed dormancy Much attention is given to the evolution of kinds of seed dormancy Includes chapters on the basics of how to do seed dormancy studies; on special groups of plants, for example orchids, parasites, aquatics, halophytes; and one chapter devoted to soil seed banks Contains a revised, up-dated classification scheme of seed dormancy, including a formula for each kind of dormancy Detailed attention is given to physiological dormancy, the most common kind of dormancy on earth

Ecology of Plant-Derived Smoke

Ecology of Plant-Derived Smoke PDF Author: Lara Jefferson
Publisher: Oxford University Press
ISBN: 019939346X
Category : Science
Languages : en
Pages : 336
Book Description
Ecology of Plant-Derived Smoke is the continuation of the research and discussion presented in Uses & Abuses of Plant-Derived Smoke, published in 2010. Both books are the first of their kind in what is now an ever-expanding and exciting field of research. This volume focuses on the use of plant-derived smoke as a tool, used for promoting seed germination and growth. Our ancestors may have used smoke in this capacity for centuries. Only recently has the scientific community delved into understanding the ecology of smoke as a seed dormancy-breaking mechanism in fire-prone environments. Most research to date has focused on the fire-prone Mediterranean environments of the western U.S.A., Western Australia and South Africa. These environments are among the richest floristic regions in the world, and require ecological understanding in order to be managed properly. This includes knowledge of that role that smoke plays in these ecosystems. Ecology of Plant Derived Smoke presents accounts of 1355 species of plants, from 120 families, whose seed have been tested for their response to aerosol smoke, smoke water, and plant-derived smoke. Each account includes a short summary of research findings, along with any other relevant information. Ecology of Plant-Derived Smoke is a comprehensive resource for ecologists seeking to understand the properties of smoke as they relate to ecosystems.

Seed Ecology

Seed Ecology PDF Author: 1972 Easter School in Agricultural Science (19th, University of Nottingham)
Publisher: Penn State University Press
ISBN:
Category : Technology & Engineering
Languages : en
Pages : 578
Book Description
Seed ecology; Genetic regulation of germination; Geographical adaptation of seeds; Differences in the progeny due to daylength and hormone treatment of the mother plant; The production of high quality seeds; Protein synthesis and viability in rye grains; Fine structure of viable and non-viable rye and other embyos; Endogenous hormones in the control of seed dormancy; Interrelated effects of imbitition, temperature and oxygen on seed germination; Seed dormancy and seed environment internal oxygen relationshps; Oxidative processes and the control of seed germination; Light quality and germination: ecological implications; Interaction of ethylene and light on dormant weed seeds; Problems of seed storage; Ageing and the logevity of seeds in field conditions; Physiological disorders in germinating seeds induced by the environment; Interacting effects of seed vigour and environment on seedling establishment; Seed borne diseases and ther control; Saprophytic fungi and seeds; Tetrazolium staining for sassessing seed quality; The imbibition process; The rate of germination; Temperature relations of germination in the field; Establishment of seedlings in a changeable environment; The seed-soil system; The mechanisation of seed sowing; Seed ecology - present and future.

Seeds

Seeds PDF Author: Michael Fenner
Publisher: C A B International
ISBN:
Category : Science
Languages : en
Pages : 373
Book Description
Reproductive allocation and reproductive effort in plants; Maternal effects on seeds during development; The ecology of seed dispersal; Animals as seed dispersers; Fruits and frugivory; Seed predators and plant populations dynamics; Longevity, viability and dormancy; The functional ecology of seed banks; Seed responses to light; The role of temperature in germination ecophysiology; Effect of chemical environment on seed germination; The contribution of seedling regeneration to the structure and dynamics of plant communities and larger units of landscape.

Seeds

Seeds PDF Author: Carol C. Baskin
Publisher: Elsevier
ISBN: 0080540864
Category : Science
Languages : en
Pages : 666
Book Description
Seeds: Ecology, Biogeography, and Evolution of Dormancy and Germination differs from all other books on seed germination. It is an all-encompassing volume that provides a working hypothesis of the ecological and environmental conditions under which various kinds of seed dormancy have developed. It also presents information on the seed germination of more than 3500 species of trees, shrubs, vines and herbaceous species, making this a valuable reference for anyone studying germination. This book delivers information on characteristics of each type of seed dormancy, how each type of dormancy is broken in nature, and what environmental conditions are required for germination after dormancy is broken. It explains how studies should be done to distinguish persistent from transient seed banks, and covers which species should be controlled, propagated, and conserved. Seeds gives the reader insight and guidelines for doing ecologically meaningful studies on the biogeography and evolution of seed dormancy and germination in order to better understand plant reproductive strategies, life history traits, adaptations to habitats, and physiological processes. Evolutionary/phylogenetic origins and relationships of various kinds of seed dormancy A world biogeographical perspective on seed dormancy and germination Ecophysiology of seeds with each type of dormancy Critical evaluation of methodology used in soil seed bank studies Germination ecology of plants with specialized habitat and life cycle types Genetic and maternal preconditioning effects on seed dormancy and germination Guidelines for doing ecologically-meaningful germination studies