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Conventional techniques for assessing and monitoring water quality have been primarily based either on the use of living material as “bio‐indicators” or on the employment of analytical measurements to provide information about the physical and chemical status of aquatic ecosystems. The former...
This paper compares the gamma‐radioactivity values determined in an intertidal ecosystem on the Atlantic island of Barra in the Western Isles of Scotland in 1989 and 1994. Distinct differences in the accumulation values in different trophic levels were detected on each occasion, but, in the...
The environment is the source of many discussions in America’s board rooms. Most of the conversations probably center around cost containment, dealing with new regulations or reacting to unexpected problems. Some conversations may even revolve around how to “cash in” on the public’s concern for...
Today’s business world changes due to public demands, technology and global competition. Customers are considering environmental values into their supplier(s) selection and are increasingly buying products with identifiable environmental attributes. Therefore, to have a competitive leverage,...
Approaches to land use planning have gone through considerable evolution during the past 30 years. Western nations have learned hard lessons about the consequences of not considering ecological process and structures when undertaking land use planning, development, and when harvesting resources....
Many countries all over the world are facing water shortages. As population increases, water is being perceived as a very valuable resource. Every effort is exerted to use water more efficiently and to make use of every drop of water to ensure the well being of future generations. New trends are...
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