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Ecotoxicology: Effects of Pollutants on the Natural Environment, Walker Colin


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Автор: Walker Colin
Название:  Ecotoxicology: Effects of Pollutants on the Natural Environment
ISBN: 9781466591790
Издательство: Taylor&Francis
Классификация:
ISBN-10: 146659179X
Обложка/Формат: Paperback
Страницы: 233
Вес: 0.37 кг.
Дата издания: 12.05.2014
Язык: English
Иллюстрации: 18 tables, black and white; 40 illustrations, black and white
Размер: 156 x 234 x 13
Читательская аудитория: Tertiary education (us: college)
Ключевые слова: Toxicology (non-medical), SCIENCE / Environmental Science,TECHNOLOGY & ENGINEERING / Environmental / General
Подзаголовок: Effects of pollutants on the natural environment
Ссылка на Издательство: Link
Рейтинг:
Поставляется из: Европейский союз
Описание:

Chemical Warfare in Nature

Pesticides and other industrial chemicals are at the root of many pollution problems. In view of the toxic effects of industrial chemicals found in the water, soil, and air, Ecotoxicology: Effects of Pollutants on the Natural Environment considers the impact of chemicals on the environment from a wider perspective: the evolution of plant toxins--and defense mechanisms against them in animals as a consequence of plant-animal warfare. Comparisons are made between this and the development of resistance by insects towards man-made insecticides.

Pesticides and Drugs

The text focuses particularly on problems posed by pesticides and, to a lesser extent, by drugs. This material specifically addresses the problems that pesticides pose and explores the development of resistance to them. It focuses on the history of pesticides, pesticide selectivity between target species and beneficial organisms, and types of pesticides. It discusses mandatory ecotoxicity testing as part of the process of risk assessment of environmental chemicals. The text considers the effects of pollutants at the population level, with respect to changes in numbers and genetic composition. It factors in the sublethal effects of pollutants on population levels, and cites an increase in the concentration of persistent pollutants in natural food chains as a cause of the decline of certain vertebrate predators.

Overall the text:

- Considers plant toxins as models for pesticides

- Emphasizes principles illustrated with practical examples

- Includes a glossary of terms

Divided into three sections, this text uses a variety of examples and case studies to examine the effects of pollutants--including naturally occurring ones--on natural processes. It guides the reader through the basic issues and principles; outlines the science of ecotoxicology, which is the study of the effects of chemicals upon ecosystems; and introduces various strategies for pollution control.




The Complete Walker IV

Автор: Fletcher, Colin
Название: The Complete Walker IV
ISBN: 0375703233 ISBN-13(EAN): 9780375703232
Издательство: Random House (USA)
Цена: 2759.00 р.
Наличие на складе: Нет в наличии.

Описание: For the first time since 1984, we have a new edition of the classic book that Field & Stream called "the Hiker's Bible." For this version, the celebrated writer and hiker Colin Fletcher has taken on a coauthor, Chip Rawlins, himself an avid outdoorsman and a poet from Wyoming. Together, they have made this fourth edition of The Complete Walker the most informative, entertaining, and thorough version yet.

The eighteen years since the publication of The Complete Walker III have seen revolutionary changes in hiking and camping equipment: developments in waterproofing technology, smaller and more durable stoves, lighter boots, more manageable tents, and a wider array of food options. The equipment recommendations are therefore not merely revised and tweaked, but completely revamped. During these two decades we have also seen a deepening of environmental consciousness. Not only has backpacking become more popular, but a whole ethic of responsible outdoorsmanship has emerged. In this book the authors confidently lead us through these technological, ethical, and spiritual changes.

Fletcher and Rawlins's thorough appraisal and recommendation of equipment begins with a "Ground Plan," a discussion of general hiking preparedness. How much to bring? What are the ideal clothes, food, boots, and tents for your trip? They evaluate each of these variables in detail--including open, honest critiques and endorsements of brand-name equipment. Their equipment searches are exhaustive; they talk in detail about everything from socks to freeze-dried trail curries.

They end as they began, with a philosophical and literary disquisition on the reasons to walk, capped off with a delightful collection of quotes about walking and the outdoor life. After a thoughtful and painstaking analysis of hiking gear from hats to boots, from longjohns to tent flaps, they remind us that ultimately hiking is about the experience of being outdoors and seeing the green world anew.

Like its predecessors, The Complete Walker IV is an essential purchase for anyone captivated by the outdoor life.


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