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Four of the most important resources to aquaculture, outside human and technological resources, are land, water, seed and feed. Efficient use of these resources are necessary to guarantee optimum production from aquaculture. A project Study and Analysis of Seed Production in Small-scale Rural Aquaculture was implemented through a desk study and expert workshop (held in Wuxi, China from 23-26 March 2006) to assess the status of freshwater fish seed resources and supply and its contribution to sustainable aquatic production. This publication is presented in two parts. Part 1 contains the proceedings and major recommendations of the expert workshop which tackled three major themes: (a) seed qua...
Co-published with UNESCO A product of the UNESCO-IHP project on Water and Cultural Diversity, this book represents an effort to examine the complex role water plays as a force in sustaining, maintaining, and threatening the viability of culturally diverse peoples. It is argued that water is a fundamental human need, a human right, and a core sustaining element in biodiversity and cultural diversity. The core concepts utilized in this book draw upon a larger trend in sustainability science, a recognition of the synergism and analytical potential in utilizing a coupled biological and social systems analysis, as the functioning viability of nature is both sustained and threatened by humans.
This paper reviews the determinants of fertility and attempts to extract conclusions that are relevant for fertility reduction policies in developing countries. In the first tier of fertility determinants, socioeconomic development has a decisive effect in lowering fertility in the long run. In the short run, however, and for specific households, the effects are much more tangled. Higher income, for instance, allows households to afford more children, but nevertheless often reduces fertility because of its links to other factors like education. Education, especially for women, fairly reliably reduces fertility, though its effect may take years to appear. Improved health and lower mortality a...
This directory lists institutions of basic medical education that have been approved by the national authorities in 157 countries or areas and provides information about each that will be useful to health officials, medical faculties and students.
Biological Synthesis of Nanoparticles and Their Applications gives insight into the synthesis of nanoparticles utilizing the natural routes. It demonstrates various strategies for the synthesis of nanoparticles utilizing plants, microscopic organisms like bacteria, fungi, algae and so forth. It orchestrates interdisciplinary hypothesis, ideas, definitions, models and discoveries associated with complex cell of the prokaryotes and eukaryotes. Highlights: Discusses biological approach towards the nanoparticle synthesis Describes the role of nanotechnology in the field of medicine and its medical devices Covers application and usage of the chemicals at the molecular level to act as catalysts and binding products for both organic and inorganic Chemical Reactions Reviews application in physics such as solar cells, photovoltaics and other usage Microorganisms can aggregate and detoxify substantial metals because of different reductase enzymes, which can diminish metal salts to metal nanoparticles. The readers after going through this book will have detailed account of mechanism of bio-synthesis of nanoparticles.
The relatively new technique of solid phase microextraction (SPME) is an important tool to prepare samples both in the lab and on-site. SPME is a "green" technology because it eliminates organic solvents from analytical laboratory and can be used in environmental, food and fragrance, and forensic and drug analysis. This handbook offers a thorough background of the theory and practical implementation of SPME. SPME protocols are presented outlining each stage of the method and providing useful tips and potential pitfalls. In addition, devices and fiber coatings, automated SPME systems, SPME method development, and In Vivo applications are discussed. This handbook is essential for its discussion of the latest SPME developments as well as its in depth information on the history, theory, and practical application of the method. - Practical application of Solid Phase Microextraction methods including detailed steps - Provides history of extraction methods to better understand the process - Suitable for all levels, from beginning student to experienced practitioner
The second edition of this very well-received book, which in itsfirst edition was entitled Postharvest Technology of Fruits andVegetables, has been welcomed by the community of postharvestphysiologists and technologists who found the first edition of suchgreat use. The book covers, in comprehensive detail, postharvestphysiology as it applies to postharvest quality, technologyrelating to maturity determination, harvesting, packaging,postharvest treatments, controlled atmosphere storage, ripening andtransportation on a very wide international range of fruits andvegetables. The new edition of this definitive work, which contains manyfull colour photographs, provides key practical andcommerciall...
Focuses on substantive problems and summarizes research regarding the determinants of fertility differentials and fertility change in developing countries.
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