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Environmental Guidelines for Fish Farming - UNEP Environmental Management Guidelines No. 19
(1990)
These guidelines are intended to build awareness of the nature of the relationship between fish farming and the environment and the factors that determine that relationship. The booklet discusses how the culture system ...
Guidelines of Lake Management Volume 3: Lake Shore Management
(1990)
The scope of this book is to demonstrate the importance of the lake shore in a holistic lake management framework and discuss how the ecotone between lake and land can be maintained as an effective protection zone for the ...