Frugivory And Seed Dispersal Ecological And Evolutionary Aspects

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Frugivory and seed dispersal: ecological and evolutionary aspects

T.H. Fleming,Alejandro Estrada
Frugivory and seed dispersal ecological and evolutionary aspects Book PDF

Author : T.H. Fleming,Alejandro Estrada
Publisher : Springer Science & Business Media
Page : 392 pages
File Size : 42,5 Mb
Release : 2012-12-06
Category : Science
ISBN : 9789401117494

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Frugivory and seed dispersal: ecological and evolutionary aspects by T.H. Fleming,Alejandro Estrada Pdf

Any scientific discipline needs a theoretical framework to guide its development and to sharpen the questions its researchers pursue. In biology, evolution is the grand theoretical framework, and an his torical perspective is necessary to understand present-day biological conditions. In its formative years, the modern study of the fruit-frugivore mutualism was guided by the 'specialist-generalist' paradigm developed by D. Snow, D. McKey, and H. Howe. Howe reviews the current status of this evolution ary paradigm and points out that it has been dismissed by many workers before being adequately tested. This is because ecologists working with the tropical plants and frugivorous birds for which the paradigm was originally developed rarely measure the seed dispersal effectiveness of different disperser species. He indicates that this paradigm still has heuristic value and suggests that several additional ecological paradigms, including the concept ofkeystone species ofplants and frugivores and the role that frugivores play in density-dependent mortality in tropical trees, are worth studying. The concept of seed dispersal quality has been central to discussions of fruit-frugivore coevolution. Schupp thoroughly reviews data bearing on this concept, constructs a hierarchical framework for viewing disperser effectiveness, and points out that disperser effectiveness depends on both the quantity and quality of seed dispersal. Effectiveness, in turn, affects both evolutionary and ecological relationships between dispersers and their food plants.

Frugivory and Seed Dispersal

T. H. Fleming
Frugivory and Seed Dispersal Book PDF

Author : T. H. Fleming
Publisher : Unknown
Page : 392 pages
File Size : 55,8 Mb
Release : 1993
Category : Electronic
ISBN : OCLC:708710043

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Frugivory and Seed Dispersal by T. H. Fleming Pdf

Historical and theoretical aspects of frugivory and seed dispersal. Plant strategies. Frugivore strategies. Consequences of seed dispersal.

Seed Dispersal and Frugivory

Douglas John Levey,Wesley R. Silva,Mauro Galetti
Seed Dispersal and Frugivory Book PDF

Author : Douglas John Levey,Wesley R. Silva,Mauro Galetti
Publisher : Woodhead Publishing
Page : 536 pages
File Size : 54,7 Mb
Release : 2002
Category : Nature
ISBN : 085199525X

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Seed Dispersal and Frugivory by Douglas John Levey,Wesley R. Silva,Mauro Galetti Pdf

This book provides information on the historical and theoretical perspectives of biodiversity and ecology in tropical forests, plant and animal behaviour towards seed dispersal and plant-animal interactions within forest communities, consequences of seed dispersal, and conservation, biodiversity and management.

Seed Dispersal

Andrew J. Dennis,R.J. Green,E.W. Schupp
Seed Dispersal Book PDF

Author : Andrew J. Dennis,R.J. Green,E.W. Schupp
Publisher : CABI
Page : 704 pages
File Size : 47,5 Mb
Release : 2007
Category : Technology & Engineering
ISBN : 9781845931667

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Seed Dispersal by Andrew J. Dennis,R.J. Green,E.W. Schupp Pdf

Fresh concepts in the study of seed dispersal are spurring a host of exciting new questions, new answers to old questions, new methods and approaches, and a reinvigoration of the field.Seed Dispersal: Theory and its Application in a Changing World presents both recent advances and reviews of current knowledge demonstrating the vigour and vibrancy of the field. It provides new perspectives and directions at a time when efforts to meet growing environmental challenges threatening natural systems are of utmost importance.

Reproductive Ecology of Tropical Forest Plants

K.S. Bawa,M. Hadley
Reproductive Ecology of Tropical Forest Plants Book PDF

Author : K.S. Bawa,M. Hadley
Publisher : CRC Press
Page : 452 pages
File Size : 42,7 Mb
Release : 1991-01-15
Category : Science
ISBN : 1850702683

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Reproductive Ecology of Tropical Forest Plants by K.S. Bawa,M. Hadley Pdf

Reproductive Ecology of Tropical Forest Plants reviews recent developments in the reproductive ecology of tropical forest plants and explores the implications of current findings on forest structure, function, management, and conservation. It examines how insights gained from reproductive ecology can be helpful in the management of tropical forest resources and discusses directions of future research.

Frugivores and seed dispersal

Alejandro Estrada,T.H. Fleming
Frugivores and seed dispersal Book PDF

Author : Alejandro Estrada,T.H. Fleming
Publisher : Springer Science & Business Media
Page : 390 pages
File Size : 40,7 Mb
Release : 2012-12-06
Category : Science
ISBN : 9789400948129

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Frugivores and seed dispersal by Alejandro Estrada,T.H. Fleming Pdf

A wide variety of plants, ranging in size from forest floor herbs to giant canopy trees, rely on animals to disperse their seeds. Typical values of the proportion of tropical vascular plants that produce fleshy fruits and have animal-dispersed seeds range from 50-90%, depending on habitat. In this section, the authors discuss this mutualism from the plant's perspective. Herrera begins by challenging the notion that plant traits traditionally interpreted as being the product of fruit-frugivore coevolution really are the outcome of a response-counter-response kind of evolutionary process. He uses examples of congeneric plants living in very different biotic and abiotic environments and whose fossilizable characteristics have not changed over long periods of time to argue that there exists little or no basis for assuming that gradualistic change and environmental tracking characterizes the interactions between plants and their vertebrate seed dispersers. A common theme that runs through the papers by Herrera, Denslow et at. , and Stiles and White is the importance of the 'fruiting environment' (i. e. the spatial relationships of conspecific and non-conspecific fruiting plants) on rates of fruit removal and patterns of seed rain. Herrera and Denslow et at. point out that this environment is largely outside the control of individual plant species and, as a result, closely coevolved interactions between vertebrates and plants are unlikely to evolve.

Seed Dispersal and Frugivory

Douglas John Levey,Wesley R. Silva,Mauro Galetti
Seed Dispersal and Frugivory Book PDF

Author : Douglas John Levey,Wesley R. Silva,Mauro Galetti
Publisher : CABI
Page : 530 pages
File Size : 44,8 Mb
Release : 2002
Category : Science
ISBN : 9780851995250

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Seed Dispersal and Frugivory by Douglas John Levey,Wesley R. Silva,Mauro Galetti Pdf

This book provides information on the historical and theoretical perspectives of biodiversity and ecology in tropical forests, plant and animal behaviour towards seed dispersal and plant-animal interactions within forest communities, consequences of seed dispersal, and conservation, biodiversity and management.

Seeds

Michael Fenner
Seeds Book PDF

Author : Michael Fenner
Publisher : CABI
Page : 410 pages
File Size : 50,5 Mb
Release : 2000
Category : Nature
ISBN : 0851994326

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Seeds by Michael Fenner Pdf

This is the second edition of a multi-author book first published in 1992. It deals with all aspects of plant regeneration by seeds, including reproductive allocation, seed dispersal and predation, longevity, dormancy and germination. All chapters have been updated, and four new chapters added on seed size, seedling establishment, the role of gaps, and regeneration from seed after fire.

Demography and Evolution in Plant Populations

Otto Thomas Solbrig
Demography and Evolution in Plant Populations Book PDF

Author : Otto Thomas Solbrig
Publisher : Univ of California Press
Page : 236 pages
File Size : 50,7 Mb
Release : 1980-01-01
Category : Science
ISBN : 0520039319

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Demography and Evolution in Plant Populations by Otto Thomas Solbrig Pdf

Populationen und ihre Dynamik, Evolution und Systematik.

Dispersal in Plants

Roger Cousens,Calvin Dytham,Richard Law
Dispersal in Plants Book PDF

Author : Roger Cousens,Calvin Dytham,Richard Law
Publisher : Oxford University Press
Page : 232 pages
File Size : 42,7 Mb
Release : 2008-03-06
Category : Computers
ISBN : 9780199299119

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Dispersal in Plants by Roger Cousens,Calvin Dytham,Richard Law Pdf

Propagule, evolution.

Spider Monkeys

Christina J. Campbell
Spider Monkeys Book PDF

Author : Christina J. Campbell
Publisher : Cambridge University Press
Page : 128 pages
File Size : 47,9 Mb
Release : 2008-09-25
Category : Social Science
ISBN : 9781316583104

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Spider Monkeys by Christina J. Campbell Pdf

Spider monkeys are one of the most widespread New World primate genera, ranging from southern Mexico to Bolivia. Although they are common in zoos, spider monkeys are traditionally very difficult to study in the wild, because they are fast moving, live high in the canopy and are almost always found in small subgroups that vary in size and composition throughout the day. This book is an assimilation of both published and previously unpublished research. It is a comprehensive source of information for academic researchers and graduate students interested in primatology, evolutionary anthropology and behavioral ecology and covers topics such as taxonomy, diet, sexuality and reproduction, and conservation.

Seed Ecology

M.W. Fenner
Seed Ecology Book PDF

Author : M.W. Fenner
Publisher : Springer Science & Business Media
Page : 159 pages
File Size : 43,9 Mb
Release : 2012-12-06
Category : Science
ISBN : 9789400948440

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Seed Ecology by M.W. Fenner Pdf

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.

Seed Fate

J. E. Lambert,P. E. Hulme,S. B. Vander Wall
Seed Fate Book PDF

Author : J. E. Lambert,P. E. Hulme,S. B. Vander Wall
Publisher : CABI
Page : 432 pages
File Size : 40,6 Mb
Release : 2005
Category : Science
ISBN : 085199072X

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Seed Fate by J. E. Lambert,P. E. Hulme,S. B. Vander Wall Pdf

This book presents current knowledge of seed fate in both natural and human-disturbed landscapes, from various regions of the world. Habitats considered range from mountain and arid deserts in the temperate zone, to savanna and lowland rainforests in tropical regions of the world. Particular attention is paid to plant diversity conservation when seed removal is affected by factors such as hunting, habitat fragmentation or intensive logging. Contributors include leading scientists involved in research on seed ecology and on animal-plant relationships from the perspective of both primary and secondary seed dispersal, and predation.

Why Birds Matter

Çagan H. Sekercioglu,Daniel G. Wenny,Christopher J. Whelan
Why Birds Matter Book PDF

Author : Çagan H. Sekercioglu,Daniel G. Wenny,Christopher J. Whelan
Publisher : University of Chicago Press
Page : 398 pages
File Size : 54,9 Mb
Release : 2016-08-24
Category : Science
ISBN : 9780226382777

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Why Birds Matter by Çagan H. Sekercioglu,Daniel G. Wenny,Christopher J. Whelan Pdf

For over one hundred years, ornithologists and amateur birders have jointly campaigned for the conservation of bird species, documenting not only birds’ beauty and extraordinary diversity, but also their importance to ecosystems worldwide. But while these avian enthusiasts have noted that birds eat fruit, carrion, and pests; spread seed and fertilizer; and pollinate plants, among other services, they have rarely asked what birds are worth in economic terms. In Why Birds Matter, an international collection of ornithologists, botanists, ecologists, conservation biologists, and environmental economists seeks to quantify avian ecosystem services—the myriad benefits that birds provide to humans. The first book to approach ecosystem services from an ornithological perspective, Why Birds Matter asks what economic value we can ascribe to those services, if any, and how this value should inform conservation. Chapters explore the role of birds in such important ecological dynamics as scavenging, nutrient cycling, food chains, and plant-animal interactions—all seen through the lens of human well-being—to show that quantifying avian ecosystem services is crucial when formulating contemporary conservation strategies. Both elucidating challenges and providing examples of specific ecosystem valuations and guidance for calculation, the contributors propose that in order to advance avian conservation, we need to appeal not only to hearts and minds, but also to wallets.

Population Dynamics in Ecological Space and Time

Olin E. Rhodes,Ronald K. Chesser,Michael H. Smith
Population Dynamics in Ecological Space and Time Book PDF

Author : Olin E. Rhodes,Ronald K. Chesser,Michael H. Smith
Publisher : University of Chicago Press
Page : 402 pages
File Size : 41,9 Mb
Release : 1996-08
Category : Nature
ISBN : 0226710580

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Population Dynamics in Ecological Space and Time by Olin E. Rhodes,Ronald K. Chesser,Michael H. Smith Pdf

As profound threats to ecosystems increase worldwide, ecologists must move beyond studying single communities at a single point in time. All of the dynamic, interconnected spatial and temporal processes that determine the distribution and abundance of species must be understood in order to develop new conservation and management strategies. This volume is the first to integrate mathematical and biological approaches to these crucial topics. The editors include not only a wide variety of theoretical approaches, but also a broad range of experimental and field studies, with chapters written by renowned experts in community ecology, ecological modeling, population genetics, and conservation biology. In addition to providing new insights into well-known topics such as migration, the authors also introduce some less familiar subjects, including bacterial population genetics and ecotoxicology. For anyone interested in the study, management, and conservation of populations, this book will prove to be a valuable resource.