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Now showing items 261-270 of 276
Freshwater resources conservation: an action-oriented overview
Type: Book Chapter
Biodiversity in rivers and wetlands is very seriously at risk as evident from the fact that 63% of freshwater fish species in South Africa, 42% of those in Europe and 27% of those in North America have become extinct, ...
Input-output relationships of Philippine milkfish aquaculture
Type: Book Chapter
The existing gap between experimental yield and potential yield under field conditions and actual yield is highlighted. The determinants of actual yield are investigated by estimating a Cobb-Douglas production function ...
Selecting Nile tilapia (Oreochromis niloticus) for growth in low-input environments
Type: Book Chapter
This chapter presents the results from a selective breeding experiment with Nile tilapia in a low input pond environment. The environment was defined as low input as the pond only received chicken manure for fertilisation. ...
Sustainability indicators from farm to watershed: a synthesis of issues
Type: Book Chapter
Concept of sustainability in relation to agricultural systems is discussed.
Genetic improvement and effective dissemination: keys to prosperous and sustainable aquaculture industries
Type: Book Chapter
There is an increasing demand for fish in the world due to a growing population, better economic situation in some sectors, and greater awareness of health issues in relation to food. Since capture fisheries have stagnated, ...
Fisheries biology: a new took kit for dealing with new problems
Type: Book Chapter
In this chapter, the author gives an overview of the development of the concept and research of fisheries biology.
Community-based fish culture: a viable coping strategy for farmers in the Mekong Delta?
Type: Book Chapter
Floodplains are characterized by a period of several months when the land is not available for agriculture and large and open areas are used for fisheries. Enclosures in the flooded areas can be utilized to produce a crop ...
Economic aspects of processing and marketing
Type: Book Chapter
This paper examines the pricing efficiency and related economic aspects of fish processing and marketing in two communities of San Miguel Bay, Philippines. Salting, dried fish processing and marketing and fresh fish marketing ...
Costs and returns of stationary gears
Type: Book Chapter
Costs and returns of three major stationary gears of Cabusao, San Miguel Bay, Philippines, are analysed. The gears discussed include fish corrals, liftnets and filter nets. Systems for allocation of fishing rights are ...
Cross country synthesis
Type: Book Chapter
The broad objective of the present study is to examine production, accessibility, marketing and consumption patterns of aquaculture products, with emphasis on freshwater aquaculture, in Bangladesh, China, India, Indonesia, ...