Body Size: The Structure and Function of Aquatic Ecosystems

2007-07-12 Nature

Author : Alan G. Hildrew
Release : 2007-07-12
Genre : Nature
Kind : eBook
Book Rating : 175/5 ( reviews)

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Book Synopsis Body Size: The Structure and Function of Aquatic Ecosystems by : Alan G. Hildrew

Download or read book Body Size: The Structure and Function of Aquatic Ecosystems written by Alan G. Hildrew. This book was released on 2007-07-12. Available in PDF, EPUB and Kindle. Book excerpt: Ecologists have long struggled to predict features of ecological systems, such as the numbers and diversity of organisms. The wide range of body sizes in ecological communities, from tiny microbes to large animals and plants, is emerging as the key to prediction. Based on the relationship between body size and features such as biological rates, the physics of water and the amount of habitat available, we may be able to understand patterns of abundance and diversity, biogeography, interactions in food webs and the impact of fishing, adding up to a potential 'periodic table' for ecology. Remarkable progress on the unravelling, describing and modelling of aquatic food webs, revealing the fundamental role of body size, makes a book emphasising marine and freshwater ecosystems particularly apt. In this 2007 book, the importance of body size is examined at a range of scales that will be of interest to professional ecologists, from students to senior researchers.

Body Size

2007 Aquatic animals

Author : A. G. Hildrew
Release : 2007
Genre : Aquatic animals
Kind : eBook
Book Rating : 949/5 ( reviews)

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Book Synopsis Body Size by : A. G. Hildrew

Download or read book Body Size written by A. G. Hildrew. This book was released on 2007. Available in PDF, EPUB and Kindle. Book excerpt: An authoritative work written by leading experts unravelling the fundamental role of body size.

Body Size

2007 Aquatic animals

Author : A. G. Hildrew
Release : 2007
Genre : Aquatic animals
Kind : eBook
Book Rating : 874/5 ( reviews)

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Book Synopsis Body Size by : A. G. Hildrew

Ecological Heterogeneity

2012-12-06 Science

Author : Jurek Kolasa
Release : 2012-12-06
Genre : Science
Kind : eBook
Book Rating : 624/5 ( reviews)

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Book Synopsis Ecological Heterogeneity by : Jurek Kolasa

Download or read book Ecological Heterogeneity written by Jurek Kolasa. This book was released on 2012-12-06. Available in PDF, EPUB and Kindle. Book excerpt: An attractive, promising, and frustrating feature of ecology is its complex ity, both conceptual and observational. Increasing acknowledgment of the importance of scale testifies to the shifting focus in large areas of ecology. In the rush to explore problems of scale, another general aspect of ecolog ical systems has been given less attention. This aspect, equally important, is heterogeneity. Its importance lies in the ubiquity of heterogeneity as a feature of ecological systems and in the number of questions it raises questions to which answers are not readily available. What is heterogeneity? Does it differ from complexity? What dimensions need be considered to evaluate heterogeneity ade quately? Can heterogeneity be measured at various scales? Is heterogeneity apart of organization of ecological systems? How does it change in time and space? What are the causes of heterogeneity and causes of its change? This volume attempts to answer these questions. It is devoted to iden tification of the meaning, range of applications, problems, and methodol ogy associated with the study of heterogeneity. The coverage is thus broad and rich, and the contributing authors have been encouraged to range widely in discussions and reflections. vi Preface The chapters are grouped into themes. The first group focuses on the conceptual foundations (Chapters 1-5). These papers exarnine the meaning of the term, historical developments, and relations to scale. The second theme is modeling population and interspecific interactions in hetero geneous environments (Chapters 6 and 7).

Ocean Acidification

2010-09-14 Science

Author : National Research Council
Release : 2010-09-14
Genre : Science
Kind : eBook
Book Rating : 55X/5 ( reviews)

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Book Synopsis Ocean Acidification by : National Research Council

Download or read book Ocean Acidification written by National Research Council. This book was released on 2010-09-14. Available in PDF, EPUB and Kindle. Book excerpt: The ocean has absorbed a significant portion of all human-made carbon dioxide emissions. This benefits human society by moderating the rate of climate change, but also causes unprecedented changes to ocean chemistry. Carbon dioxide taken up by the ocean decreases the pH of the water and leads to a suite of chemical changes collectively known as ocean acidification. The long term consequences of ocean acidification are not known, but are expected to result in changes to many ecosystems and the services they provide to society. Ocean Acidification: A National Strategy to Meet the Challenges of a Changing Ocean reviews the current state of knowledge, explores gaps in understanding, and identifies several key findings. Like climate change, ocean acidification is a growing global problem that will intensify with continued CO2 emissions and has the potential to change marine ecosystems and affect benefits to society. The federal government has taken positive initial steps by developing a national ocean acidification program, but more information is needed to fully understand and address the threat that ocean acidification may pose to marine ecosystems and the services they provide. In addition, a global observation network of chemical and biological sensors is needed to monitor changes in ocean conditions attributable to acidification.

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