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An investigation into government forestry policies in Puerto Rico and how these have impacted on the condition of the country's forests.
The papers in this book are based on efforts by an international group of soil ecologists to assess the biological and ecological mechanisms of earthworm invasions. They examine their geographic extent and impacts on terrestrial ecosystems, and possible means by which earthworm invasions might be mitigated. The book broadens the discussion on invasion biology and ecology to belowground systems.
This is a continuation of a series of comprehensive chronological reference works listing the results of men's chess competitions all over the world--individual and team matches. The present volume covers 1961 through 1963. Entries record location and, when available, the group that sponsored the event. First and last names of players are included whenever possible and are standardized for easy reference. Compiled from contemporary sources such as newspapers, periodicals, tournament records and match books, this work contains more than a thousand crosstables and match scores. It is indexed by events and by players.
The process of nation-building in Latin America transformed the relations between the state, the economy, and nature. Between 1760 and 1940, the economies of most countries in the Spanish Caribbean came to depend heavily on the export of plant products, such as coffee, tobacco, and sugar. After the mid-nineteenth century, this model of export-led economic growth also became a central tenet of liberal projects of nation-building. As international competition grew and commodity prices fell over this period, Latin American growers strove to remain competitive by increasing agricultural production. By the turn of the twentieth century, their pursuit of export-led growth had generated severe envi...
This book represents recent research on tropical cyclones and their impact, and a wide range of topics are covered. An updated global climatology is presented, including the global occurrence of tropical cyclones and the terrestrial factors that may contribute to the variability and long-term trends in their occurrence. Research also examines long term trends in tropical cyclone occurrences and intensity as related to solar activity, while other research discusses the impact climate change may have on these storms. The dynamics and structure of tropical cyclones are studied, with traditional diagnostics employed to examine these as well as more modern approaches in examining their thermodyna...
Beelden van de dieren- en plantenwereld van het tropische regenwoud in Puerto Rico.
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This volume explores the challenges of sustaining long-term ecological research through a historical analysis of the Long Term Ecological Research Program created by the U.S. National Science Foundation in 1980. The book examines reasons for the creation of the Program, an overview of its 40-year history, and in-depth historical analysis of selected sites. Themes explored include the broader impact of this program on society, including its relevance to environmental policy and understanding global climate change, the challenge of extending ecosystem ecology into urban environments, and links to creative arts and humanities projects. A major theme is the evolution of a new type of network science, involving comparative studies, innovation in information management, creation of socio-ecological frameworks, development of governance structures, and formation of an International Long Term Ecological Research Network with worldwide reach. The book’s themes will interest historians, philosophers and social scientists interested in ecological and environmental sciences, as well as researchers across many disciplines who are involved in long-term ecological research.