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A Revision of the Genus Polylepis (Rosaceae: Sanguisorbeae)
Species of Polylepis are shrubs or trees native to the mid- and high-elevation tropical Andes. Some species of Polylepis form woodlands growing well above normal treeline within grass and scrub associations at elevations over 5000 m. Consequently, Polylepis appears to be the highest natural occurring arborescent angiosperm genus in the world. The physiological basis allowing such high altitude growth is not understood, but evidence indicates that woodlands at these elevations are restricted to microsites where ecological conditions are similar to those of lower altitudes. The genus is distinct from other rosaceous members of the tribe Sanguisorbeae and is interpreted here as consisting of th...
Forests and Global Change
Forests hold a significant proportion of global biodiversity and terrestrial carbon stocks and are at the forefront of human-induced global change. The dynamics and distribution of forest vegetation determines the habitat for other organisms, and regulates the delivery of ecosystem services, including carbon storage. Presenting recent research across temperate and tropical ecosystems, this volume synthesises the numerous ways that forests are responding to global change and includes perspectives on: the role of forests in the global carbon and energy budgets; historical patterns of forest change and diversification; contemporary mechanisms of community assembly and implications of underlying drivers of global change; and the ways in which forests supply ecosystem services that support human lives. The chapters represent case studies drawn from the authors' expertise, highlighting exciting new research and providing information that will be valuable to academics, students, researchers and practitioners with an interest in this field.
The Ecology of Seeds
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.
Career and Family
In this book, the author builds on decades of complex research to examine the gender pay gap and the unequal distribution of labor between couples in the home. The author argues that although public and private discourse has brought these concerns to light, the actions taken - such as a single company slapped on the wrist or a few progressive leaders going on paternity leave - are the economic equivalent of tossing a band-aid to someone with cancer. These solutions, the author writes, treat the symptoms and not the disease of gender inequality in the workplace and economy. Here, the author points to data that reveals how the pay gap widens further down the line in women's careers, about 10 t...
The Danube Basin
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The Monfort Plan
The Monfort Plan is a five-year, forward looking plan to eradicate extreme poverty from the developing world, and details how microfinance has made a difference to developing countries. This book proposes a new institution based in the developing world with the potential to provide a basic, free, and universal service in the areas of water, sanitation, healthcare, and education to the extreme poor worldwide. The provision will be subject to a certain degree of conditionality in areas ranging from corruption to legal environment. The new institution will be established in a new international territory based within a specific country in Subsaharan Africa and will emerge in 2015. In The Monfort...
Reinventing Darwin
An insider's provocative account of one of the most contentious debates in science today When Niles Eldredge and Stephen Jay Gould, two of the world's leading evolutionary theorists, proposed a bold new theory of evolution—the theory of "punctuated equilibria"—they stood the standard interpretation of Darwin on its head. They also ignited a furious debate about the true nature of evolution. On the one side are the geneticists. They contend that evolution proceeds slowly but surely, driven by competition among organisms to transmit their genes from generation to generation. On the other are the paleontologists, like Eldredge and Gould, who show in the fossil record that in fact evolution ...
