2 Books found
Series: Non-series TitlesBiodrainage relies on vegetation, rather than mechanical means, to remove excess water. It is economically attractive because it require only an initial investment for planting the vegetation, and when established, the system could produce economic returns by means of fodder, wood or fibre harvested. This publication is a compilation of existing information, both formally published and unpublished literature.
Series: FAO Fisheries Technical PapersFor a fishery manager it is important to understand the role of aquatic macrophytes in inland waters, as this will assist in adjusting strategies for optimizing capture fisheries. Fish, crayfish, some mammals and birds and some other organisms use macrophytes to their benefit, such as spawning, nursery, feeding grounds and as a refuge. Macrophytes play an important role in the fish food chain, espec