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Author: Ana Maria Rocha de Almeida
Publisher: Frontiers Media SA
ISBN: 2889458784
Category :
Languages : en
Pages : 85
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Book Description
When we look at our planet’s species distribution, we observe a very interesting pattern: as we move from the Poles to the Equator, the number of species drastically increases. This is what has been called ‘latitudinal gradient of species diversity’. In short, it means that tropical areas, which are located between the Tropic of Cancer and the Tropic of Capricorn, harbor a greater number of species than temperate areas. We still don’t know exactly what causes (or have caused) this phenomenon, but we know that it resulted in high endism, that is, a large number of animals and plants unique to these areas. The tropical areas of the globe are an intricate patchwork of various ecosystems. Tropical ecosystems can vary from rainforests to deserts; from savannahs to mangroves, and we have a lot to learn from them. However, in recent years we have witnessed an increase in rates of habitat destruction, particularly in the tropics. Currently, many tropical ecosystems are under threat, as vast areas are devastated to give space to cities, agriculture, and cattle farms. As tropical areas vanish, so do species previously unknown to us, as well as ecological processed specific to these environments. Moreover, due to its global importance, devastation of tropical areas has potential impacts on other non-tropical ecosystems, and may exacerbate climate change, as well as influence the spread of tropical diseases. On the other side of this battle, there are many scientists that dedicated themselves to the study of the fascinating tropical biodiversity. This collection of articles aims at highlighting their contributions to our understanding of tropical patterns and processed leading to this incredible biodiversity. It focuses on the wonders of the tropical areas of the globe, by asking, amongst others, the following questions: Which species of plants and animals are found in tropical areas? What can we learn about tropical ecology and how can this knowledge help us conserve these ecosystems for future generations?
Author: Ana Maria Rocha de Almeida
Publisher: Frontiers Media SA
ISBN: 2889458784
Category :
Languages : en
Pages : 85
Get Book Here
Book Description
When we look at our planet’s species distribution, we observe a very interesting pattern: as we move from the Poles to the Equator, the number of species drastically increases. This is what has been called ‘latitudinal gradient of species diversity’. In short, it means that tropical areas, which are located between the Tropic of Cancer and the Tropic of Capricorn, harbor a greater number of species than temperate areas. We still don’t know exactly what causes (or have caused) this phenomenon, but we know that it resulted in high endism, that is, a large number of animals and plants unique to these areas. The tropical areas of the globe are an intricate patchwork of various ecosystems. Tropical ecosystems can vary from rainforests to deserts; from savannahs to mangroves, and we have a lot to learn from them. However, in recent years we have witnessed an increase in rates of habitat destruction, particularly in the tropics. Currently, many tropical ecosystems are under threat, as vast areas are devastated to give space to cities, agriculture, and cattle farms. As tropical areas vanish, so do species previously unknown to us, as well as ecological processed specific to these environments. Moreover, due to its global importance, devastation of tropical areas has potential impacts on other non-tropical ecosystems, and may exacerbate climate change, as well as influence the spread of tropical diseases. On the other side of this battle, there are many scientists that dedicated themselves to the study of the fascinating tropical biodiversity. This collection of articles aims at highlighting their contributions to our understanding of tropical patterns and processed leading to this incredible biodiversity. It focuses on the wonders of the tropical areas of the globe, by asking, amongst others, the following questions: Which species of plants and animals are found in tropical areas? What can we learn about tropical ecology and how can this knowledge help us conserve these ecosystems for future generations?
Author: Frances Seymour
Publisher: Brookings Institution Press
ISBN: 1933286865
Category : Business & Economics
Languages : en
Pages : 389
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Book Description
Tropical forests are an undervalued asset in meeting the greatest global challenges of our time—averting climate change and promoting development. Despite their importance, tropical forests and their ecosystems are being destroyed at a high and even increasing rate in most forest-rich countries. The good news is that the science, economics, and politics are aligned to support a major international effort over the next five years to reverse tropical deforestation. Why Forests? Why Now? synthesizes the latest evidence on the importance of tropical forests in a way that is accessible to anyone interested in climate change and development and to readers already familiar with the problem of deforestation. It makes the case to decisionmakers in rich countries that rewarding developing countries for protecting their forests is urgent, affordable, and achievable.
Author: Richard Primack
Publisher: Open Book Publishers
ISBN: 1783747536
Category : Nature
Languages : en
Pages : 712
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Book Description
Conservation Biology in Sub-Saharan Africa comprehensively explores the challenges and potential solutions to key conservation issues in Sub-Saharan Africa. Easy to read, this lucid and accessible textbook includes fifteen chapters that cover a full range of conservation topics, including threats to biodiversity, environmental laws, and protected areas management, as well as related topics such as sustainability, poverty, and human-wildlife conflict. This rich resource also includes a background discussion of what conservation biology is, a wide range of theoretical approaches to the subject, and concrete examples of conservation practice in specific African contexts. Strategies are outlined to protect biodiversity whilst promoting economic development in the region. Boxes covering specific themes written by scientists who live and work throughout the region are included in each chapter, together with recommended readings and suggested discussion topics. Each chapter also includes an extensive bibliography. Conservation Biology in Sub-Saharan Africa provides the most up-to-date study in the field. It is an essential resource, available on-line without charge, for undergraduate and graduate students, as well as a handy guide for professionals working to stop the rapid loss of biodiversity in Sub-Saharan Africa and elsewhere.
Author: National Academy of Sciences
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 388
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Book Description
The Arthur M. Sackler Colloquia of the National Academy of Sciences address scientific topics of broad and current interest, cutting across the boundaries of traditional disciplines. Each year, four or five such colloquia are scheduled, typically two days in length and international in scope. Colloquia are organized by a member of the Academy, often with the assistance of an organizing committee, and feature presentations by leading scientists in the field and discussions with a hundred or more researchers with an interest in the topic. Colloquia presentations are recorded and posted on the National Academy of Sciences Sackler colloquia website and published on CD-ROM. These Colloquia are made possible by a generous gift from Mrs. Jill Sackler, in memory of her husband, Arthur M. Sackler.
Author: Richard J. Ladle
Publisher: John Wiley & Sons
ISBN: 1444390023
Category : Science
Languages : en
Pages : 379
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Book Description
CONSERVATION BIOGEOGRAPHY The Earth’s ecosystems are in the midst of an unprecedented period of change as a result of human action. Many habitats have been completely destroyed or divided into tiny fragments, others have been transformed through the introduction of new species, or the extinction of native plants and animals, while anthropogenic climate change now threatens to completely redraw the geographic map of life on this planet. The urgent need to understand and prescribe solutions to this complicated and interlinked set of pressing conservation issues has lead to the transformation of the venerable academic discipline of biogeography – the study of the geographic distribution of animals and plants. The newly emerged sub-discipline of conservation biogeography uses the conceptual tools and methods of biogeography to address real world conservation problems and to provide predictions about the fate of key species and ecosystems over the next century. This book provides the first comprehensive review of the field in a series of closely interlinked chapters addressing the central issues within this exciting and important subject.
Author: Jaboury Ghazoul
Publisher: Oxford University Press
ISBN: 019928587X
Category : Nature
Languages : en
Pages : 534
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Book Description
This is a comprehensive, attractive, and readable introduction to tropical rain forest ecology, biogeography, and management. It tackles the subject at local, regional, and global scales, and is both up-to-date and fully integrated across disciplines.
Author: Phetole Mangena
Publisher: Bentham Science Publishers
ISBN: 9815165321
Category : Science
Languages : en
Pages : 181
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Book Description
This reference provides comprehensive insights on the harm inflicted by pests and diseases on leguminous crops. Internationally acclaimed authors provide succinct reviews on breeding and impact of biotic stress factors such as insect pests, microbial pathogens, spiders, and vertebrate pests in legumes like soybean, cowpea, and common bean. The book also contains detailed technical analysis of methods such as the PCR-based detection, next generation sequencing / marker-assisted selections, low cost lethal-non-lethal vertebrate pest control and mechanisms of climate/nutrient induced resistance. The unique feature of this book is its focus on the optimization and development of environmentally friendly methods for pest and disease control in leguminous crops. Other features include structured sections for easy reading and a list of references for advanced readers. Key themes: Biotic Stress and Plant Resistance Biotic Stress in Legumes (Cowpea and Soybean) Diagnostic and Control Methods for Microbial Plant Pathogens Viral Diseases of Legumes and Management: Vertebrate Pests in Legumes and Economic Implications Spiders in Legume Agroecosystems Climate-Driven Factors and Insect Pests of Legumes Sustainable Crop Nutrition for Biotic Stress Alleviation in Legumes Physiological Responses in Legumes to Combined Stress Factors
Author: Martin
Publisher: Jones & Bartlett Learning
ISBN: 1284108295
Category : Medical
Languages : en
Pages : 638
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Book Description
Earth’s Evolving Systems: The History of Planet Earth, Second Edition is an introductory text designed for popular courses in undergraduate Earth history. Written from a “systems perspective,” it provides coverage of the lithosphere, hydrosphere, atmosphere, and biosphere, and discussion of how those systems interacted over the course of geologic time.
Author: Francesca Grifo
Publisher: Island Press
ISBN: 9781559635004
Category : Health & Fitness
Languages : en
Pages : 0
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Book Description
The implications of biodiversity loss for the global environment have been widely discussed, but only recently has attention been paid to its direct and serious effects on human health. Biodiversity loss affects the spread of human diseases, causes a loss of medical models, diminishes the supplies of raw materials for drug discovery and biotechnology, and threatens food production and water quality. Biodiversity and Human Health brings together leading thinkers on the global environment and biomedicine to explore the human health consequences of the loss of biological diversity. Based on a two-day conference sponsored by the National Institutes of Health, the National Science Foundation, and the Smithsonian Institution, the book opens a dialogue among experts from the fields of public health, biology, epidemiology, botany, ecology, demography, and pharmacology on this vital but often neglected concern. Contributors discuss the uses and significance of biodiversity to the practice of medicine today, and develop strategies for conservation of these critical resources. Topics examined include: the causes and consequences of biodiversity loss emerging infectious diseases and the loss of biodiversity the significance and use of both prescription and herbal biodiversity-derived remedies indigenous and local peoples and their health care systems sustainable use of biodiversity for medicine an agenda for the future In addition to the editors, contributors include Anthony Artuso, Byron Bailey, Jensa Bell, Bhaswati Bhattacharya, Michael Boyd, Mary S. Campbell, Eric Chivian, Paul Cox, Gordon Cragg, Andrew Dobson, Kate Duffy-Mazan, Robert Engelman, Paul Epstein, Alexandra S. Fairfield, John Grupenhoff, Daniel Janzen, Catherine A. Laughin, Katy Moran, Robert McCaleb, Thomas Mays, David Newman, Charles Peters, Walter Reid, and John Vandermeer. The book provides a common framework for physicians and biomedical researchers who wish to learn more about environmental concerns, and for members of the environmental community who desire a greater understanding of biomedical issues.
Author: National Academy of Sciences
Publisher: National Academies Press
ISBN: 0309444225
Category : Science
Languages : en
Pages : 433
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Book Description
Biodiversity-the genetic variety of life-is an exuberant product of the evolutionary past, a vast human-supportive resource (aesthetic, intellectual, and material) of the present, and a rich legacy to cherish and preserve for the future. Two urgent challenges, and opportunities, for 21st-century science are to gain deeper insights into the evolutionary processes that foster biotic diversity, and to translate that understanding into workable solutions for the regional and global crises that biodiversity currently faces. A grasp of evolutionary principles and processes is important in other societal arenas as well, such as education, medicine, sociology, and other applied fields including agriculture, pharmacology, and biotechnology. The ramifications of evolutionary thought also extend into learned realms traditionally reserved for philosophy and religion. The central goal of the In the Light of Evolution (ILE) series is to promote the evolutionary sciences through state-of-the-art colloquia-in the series of Arthur M. Sackler colloquia sponsored by the National Academy of Sciences-and their published proceedings. Each installment explores evolutionary perspectives on a particular biological topic that is scientifically intriguing but also has special relevance to contemporary societal issues or challenges. This tenth and final edition of the In the Light of Evolution series focuses on recent developments in phylogeographic research and their relevance to past accomplishments and future research directions.
