This book focuses on the European otter, describing its life history, including fresh information and providing details of survey methods and the state of populations throughout the range. Otters have decreased substantially in numbers and range during the present century through a combination of pollution, habitat destruction and direct persecution. The otter, at the top of the food chain, is a vulnerable animal in a vulnerable environment - the river - and can be seen as an indicator of a healthy environment; a good otter population indicates a properly functioning river ecosystem. The research of the authors highlights the fact that successful conservation of this familiar though elusive animal depends upon public education and sympathy as much as upon detailed ecological knowledge. This account will appeal to amateur naturalists, teachers of natural history and biological sciences and students of animal ecology and conservation. It also provides an important reference for professional conservationists and wildlife biologists.

Otters: Ecology and Conservation

Science & Math

Mason, C. F.

Macdonald, S. M.

Biological Sciences

Cambridge University Press

Biology of Freshwater Pollution

wiley

Continuing to provide an excellent and comprehensive overview, the third edition of Biology of Freshwater Pollution has been updated and revised on all aspects of pollution, since the success of the second edition in 1991. Key features for this edition include 300 new references covering latest research; new sections on biomarkers, neoplasms and effects of global warming; incorporation of new developments in European and UK water resource management; a mathematical model of eutrophication re-instated from the first edition, giving an excellent example of using a simple model for lake management; more work on the Great Lakes, particularly on PCBs; updated case studies of the River Ebbw Fawr and the Rhine, indicating a more positive view of long term recovery, as well as clearly drawing out themes of chronic and episodic pollution. Written for undergraduate and postgraduate students of Aquatic and Applied Biology, Limnology, Environmental Science and scientists working in the water industry.

Addison-Wesley Longman Ltd

The pollution of rivers and lakes is of concern because of the threat to public water supplied and because of the damage caused to natural ecosystems. Waterborne diseases remain rife in the Third World, while in developed countries there has been a decline in the quality of water. It has also become apparent that pollutants may destroy ecosystems hundreds of miles from their source. Some of these toxic materials such as lead and PCBs also pose threats to public health. This text describes the sources of various types of pollutants, their effects on aquatic organisms, ecosystems and man, using case histories where appropriate. Ways of mitigating the effects of pollutants by control and ecosystem manipulation are described. Techniques for assessing the effects of pollution, both in field and laboratory, are introduced. The role of the biologist in pollution assessment and control and in the wider sphere of mangement of acquatic resources is also examined.

Engineering & Transportation

Engineering

Longman Publishing Group

Decomposition (Institute of Biology's studies in biology ; no. 74)

E. Arnold

Ocean Sailing And Racing

Kessinger Publishing, LLC

Literature & Fiction

Literary

Kessinger Publishing

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