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Eagles have fascinated humans for millennia. For some, the glimpse of a distant eagle instantly becomes a treasured lifelong memory. Others may never encounter a wild eagle in their lifetime. This book was written by people who have dedicated years to the study of eagles, to provide an insider's view for all readers, but especially those who have never been up close and personal with these magnificent yet often misunderstood creatures. In their stories, twenty-nine leading eagle researchers share their remarkable field experiences, providing personal narratives that don't feature in their scientific publications. They tell of their fear at being stalked by grizzly bears, their surprise at be...
The first comprehensive overview of the enormous ecological diversity of Baltic coastal ecosystems is presented in this volume provides. A short introduction into the Baltic Sea as a reference ecosystem is followed by detailed descriptions of the characteristics of coastal ecosystems. Ecological case studies from four regions illustrate the different reactions of these ecosystems to natural and anthropogenic influences.
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The ocean plays a central role in the life and development of human kind. Besides space for navigation and trade (roughly 10 billion tons of commodities are transported across the oceans each year), the provision of biological and non-living resources is the most important service of the marine ecosystems. Yet, these ecosystems are increasingly impeded by human activities and interventions. Human and naturally induced changes in climate are buffered by the ocean, but its capacity to compensate the increase of CO2 in the atmosphere is at its limit. The increase of global temperatures and the decrease of oxygen concentration and pH are severe stressors for aquatic species and thus for the whol...