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Issue --- America --- ecology --- high-latitude ecosystems --- nature conservation --- rain forests
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Meteorology. Climatology --- Biogeography --- General ecology and biosociology --- Environmental protection. Environmental technology --- Pedology --- bodemkunde --- bodembescherming --- biogeografie --- ecologie --- milieubeleid --- klimaatverandering
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Nature protection --- Meteorology. Climatology --- General ecology and biosociology --- Hunting. Fishery. Aquaculture --- aquacultuur --- water --- ecologie --- wetenschappen --- natuurbescherming --- ecosystemen --- klimaatverandering --- milieubescherming
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Biological invasions are considered to be one of the greatest threats to the integrity of most ecosystems on earth. This volume explores the current state of marine bioinvasions, which have been growing at an exponential rate over recent decades. Focusing on the ecological aspects of biological invasions, it elucidates the different stages of an invasion process, starting with uptake and transport, through inoculation, establishment and finally integration into new ecosystems. Basic ecological concepts - all in the context of bioinvasions - are covered, such as propagule pressure, species interactions, phenotypic plasticity, and the importance of biodiversity. The authors approach bioinvasions as hazards to the integrity of natural communities, but also as a tool for better understanding fundamental ecological processes. Important aspects of managing marine bioinvasions are also discussed, as are many informative case studies from around the world.
Nature protection --- General ecology and biosociology --- Environmental protection. Environmental technology --- Hunting. Fishery. Aquaculture --- natuurbeheer --- biodiversiteit --- aquacultuur --- water --- ecologie --- milieubeleid --- wetenschappen --- natuurbescherming --- milieubescherming
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In Fennoscandia and Iceland, large parts of particularly elevated areas are treeless. Below these areas there is often a belt of Nordic mountain birch trees, now often called Betula pubescens ssp. czerepanovii. In Fennoscandia, this plant is also common in a zone north of the coniferous trees and is found in small forests in the southwestern-most parts of Greenland and more locally in other parts of Europe. Before the begin of the International Biological Programme (IBP) in the late 1960s and early 1970s,only minor fractions of these ecosystems had been studied. Therefore, alpine and subalpine systems were chosen as the main areas of study in this first,larger interdisciplinary and integrated project in natural science across national borders and,in this way,they made an imp- tant contribution to such research in the Nordic countries. In addition to an interdisciplinary steering committee in each country,a Nordic administration was also established for the so-called IBP Tundra Biome studies in the region (although permafrost is not common in most of the region). At the end of the IBP,many results from this research in alpine,subalpine and northern Fennoscandian mountain birch forests were published in two early volumes of the Ecological Studies Series (Wielgolaski 1975a,b). As is common at the end of scientific projects, many questions were not really answered, and this was also the case after IBP. However, the project showed the good collaboration within the Nordic countries.
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Extensive research in geology, atmospheric science, and paleontology provides a detailed history of CO2 in the atmosphere and an understanding of factors that have influenced changes in the past. This knowledge is used to illuminate the role of atmospheric CO2 in the modern carbon cycle and in the evolution of plants and animals. With an understanding of the history and dynamics of the biosphere, the authors address the future role of atmospheric CO2 and its likely effects on ecosystems. This book incorporates the advances of various earth science, environmental, and ecological fields into an overall account of global change and the changing dynamics of life on Earth.
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Extensive research in geology, atmospheric science, and paleontology provides a detailed history of CO2 in the atmosphere and an understanding of factors that have influenced changes in the past. This knowledge is used to illuminate the role of atmospheric CO2 in the modern carbon cycle and in the evolution of plants and animals. With an understanding of the history and dynamics of the biosphere, the authors address the future role of atmospheric CO2 and its likely effects on ecosystems. This book incorporates the advances of various earth science, environmental, and ecological fields into an overall account of global change and the changing dynamics of life on Earth.
Nature protection --- Meteorology. Climatology --- General ecology and biosociology --- Air pollution. Air purification --- luchtverontreiniging --- ecologie --- klimatologie --- meteorologie
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Meteorology. Climatology --- General ecology and biosociology --- Plant physiology. Plant biophysics --- Environmental protection. Environmental technology --- Forestry --- systematische plantkunde --- ecologie --- milieubeleid --- bossen --- ecosystemen --- klimaatverandering
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