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A highly readable Poyser monograph on one of the most widespread raptors. The Osprey is a large, fish-eating bird of prey. Distinctively marked in deep brown and white, with a piercing yellow eye and powerful hooked bill, the Osprey snatches its prey in spectacular swoops above lakes and wetlands around the world – it is one of the most widespread of all birds. Persecuted mercilessly in Britain, it became extinct in the 1890s before returning to the famous Loch Garten in Scotland in the 1950s. The return of the bird has been slow, but reintroduction programmes elsewhere – notably at Rutland Water – have been successful, and this remarkable raptor is an increasingly common sight in our skies. This Poyser monograph is dedicated to this fine species and includes more than 150 colour photographs. The Osprey looks at the distribution, foraging ecology, migration, breeding behaviour and population dynamics of this spectacular bird, with emphasis placed on conservation efforts both in Britain and in the species' African haunts, which have been discovered only very recently thanks to advances in satellite tagging technology.
"Mercury deposition and contamination is widespread and well documented, and it continues to be a public-health concern for certain sectors of the global human population in both developed and developing countries. This edited volume focuses on integrating the diverse sciences involved in the process of mercury cycling in the environment--from the atmosphere, through terrestrial and aquatic food webs, and human populations--to develop a comprehensive perspective on this important environmental pollutant. Using a systems-level approach, this book provides recommendations on mercury remediation, risk communication, education, and monitoring. In response to a growing need for understanding the cycling of this ubiquitous pollutant, the science of mercury has grown rapidly, expanding into several interdisciplinary fields and encompassing such disparate academic and scientific disciplines as biogeochemistry, economics, sociology, public health, decision sciences, physics, global change, and mathematics. Only recently have scientists really begun to establish more holistic approaches to studying mercury pollution, giving rise to investigations that have furthered the integration of a multi-tiered approach, especially by using chemistry, biology, and human health sciences collectively. The study of mercury pollution has produced a variety of contributions to domestic and international policies related to the management of mercury in the environment"-- Provided by publisher.