Seed Dispersal Of Mistletoes By Birds In Monteverde Costa Rica
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Seed Dispersal Of Mistletoes By Birds In Monteverde Costa Rica
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Author : Sarah Sargent
language : en
Publisher:
Release Date : 1994
Seed Dispersal Of Mistletoes By Birds In Monteverde Costa Rica written by Sarah Sargent and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1994 with categories.
Monteverde
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Author : Nalini Nadkarni
language : en
Publisher: Taylor & Francis
Release Date : 2000
Monteverde written by Nalini Nadkarni and has been published by Taylor & Francis this book supported file pdf, txt, epub, kindle and other format this book has been release on 2000 with Cloud forest ecology categories.
The Monteverde Cloud Forest Reserve has captured the attention of biologists, conservationists and ecologists and has been the setting for extensive investigation over the past 30 years. This provides information on this ecosystem and the biota.
Seed Dispersal And Frugivory
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Author : Douglas John Levey
language : en
Publisher: CABI
Release Date : 2002
Seed Dispersal And Frugivory written by Douglas John Levey and has been published by CABI this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002 with Science categories.
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.
Frugivory And Seed Dispersal Ecological And Evolutionary Aspects
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Author : T.H. Fleming
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Frugivory And Seed Dispersal Ecological And Evolutionary Aspects written by T.H. Fleming 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.
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.
Conservation Of Tropical Birds
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Author : Navjot S. Sodhi
language : en
Publisher: John Wiley & Sons
Release Date : 2011-02-23
Conservation Of Tropical Birds written by Navjot S. Sodhi and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011-02-23 with Science categories.
Conservation of Tropical Birds has been written by four conservation biologists whose expertise spans all the tropical regions of the world. It is the first book to cover all the major issues in tropical bird conservation. Current problems faced by tropical bird conservationists are summarised and potential solutions outlined based on the results of case studies. Birds are key indicators of ecosystem health, and such a well-studied group of organisms, that they provide an excellent lens through which to examine global conservation problems caused by phenomena such as climate change, declines in ecosystem services, habitat loss, fires, overexploitation, and invasive species. Therefore, the book also provides an engaging synopsis of the general issues in conservation and the problems faced by other wildlife. This book serves as an important resource and companion to all people interested in observing and conserving birds in the tropics and elsewhere.
Costa Rican Ecosystems
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Author : Maarten Kappelle
language : en
Publisher: University of Chicago Press
Release Date : 2016-04-15
Costa Rican Ecosystems written by Maarten Kappelle and has been published by University of Chicago Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-04-15 with History categories.
In 1502, Christopher Columbus named Costa Rica, and while gold and silver never materialized to justify the moniker of rich coast in purely economic terms, scientists and ecotravelers alike have long appreciated its incredible wealth. Wealth in Costa Rica is best measured by its biodiversityhome to a dizzying number of plants and animals, many endemic, it s a country that has long encouraged and welcomed researchers from the world over, and is exemplary in the creation and commitment to indigenous conservation and management programs. Costa Rica is considered to have the best preserved natural resources in Latin America. Approximately nine percent (about 1,000,000 acres) of Costa Rica has been protected in 15 national parks, and a comparable amount of land is protected as wildlife refuges, forest reserves or Indian reservations. This long-awaited synthesis of Costa Rican ecosystems is an authoritative presentation of the paleoecology, biogeography, structure, conservation, and sustainable use of Costa Rica s ecosystems. It systematically covers the entire range of Costa Rica s natural and managed, terrestrial, freshwater and marine ecosystems, including its island systems (Cocos Islands), the Atlantic and Pacific oceans and shores (coasts, coral reefs, mangrove forests), its lowlands (dry, season and wet forests), its highlands (the northern volcanoes and southern Talamanca s), and its estuaries, rivers, lakes, swamps and bogs. The volume s integrated, comprehensive format will be welcomed by tropical and temperate biologists alike, by biogeographers, plant and animal ecologists, marine biologists, conservation biologists, foresters, policy-makers and all scientists, natural history specialists and all with an interest in Costa Rica s ecosystems."
Why Birds Matter
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Author : Çagan H. Sekercioglu
language : en
Publisher: University of Chicago Press
Release Date : 2016-08-24
Why Birds Matter written by Çagan H. Sekercioglu and has been published by University of Chicago Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-08-24 with Medical categories.
"Explore[s] 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. ... The contributors show that quantifying avian ecosystem services is crucial when formulating contemporary conservation strategies."--Back cover.
Frugivores And Seed Dispersal
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Author : Alejandro Estrada
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Frugivores And Seed Dispersal written by Alejandro Estrada 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.
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.
Dissertation Abstracts International
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Author :
language : en
Publisher:
Release Date : 1994
Dissertation Abstracts International written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1994 with Dissertations, Academic categories.
La Selva
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Author : Lucinda A. McDade
language : en
Publisher: University of Chicago Press
Release Date : 1994-03-18
La Selva written by Lucinda A. McDade and has been published by University of Chicago Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 1994-03-18 with Nature categories.
Abiotic environment and ecosystem processes; The plant community: Composition, dynamics, and life-history processes; The animal community; Plant-animal interactions; La selva's human environment.
