Plankton Assemblages Of The Gambia River West Africa 1983 1984
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Physical and Chemical Environment of the Gambia River, West Africa, 1983-1984
Author | : Thomas D. Berry |
Publisher | : |
Total Pages | : 210 |
Release | : 1988 |
Genre | : Stream ecology |
ISBN | : |
Water Resource Management and Gambia River Basin Development
Author | : |
Publisher | : |
Total Pages | : 304 |
Release | : 1985 |
Genre | : Agricultural development projects |
ISBN | : |
Ecological Dynamics of Tropical Inland Waters
Author | : John Francis Talling |
Publisher | : Cambridge University Press |
Total Pages | : 456 |
Release | : 1998-12-03 |
Genre | : Nature |
ISBN | : 9780521621151 |
A synthesis of tropical freshwater systems which illustrates the basic theory of freshwater biology.
Freshwater Microbiology
Author | : David C. Sigee |
Publisher | : John Wiley & Sons |
Total Pages | : 516 |
Release | : 2005-09-27 |
Genre | : Science |
ISBN | : 0470026472 |
This unique textbook takes a broad look at the rapidly expanding field of freshwater microbiology. Concentrating on the interactions between viruses, bacteria, algae, fungi and micro-invertebrates, the book gives a wide biological appeal. Alongside conventional aspects such as phytoplankton characterisation, seasonal changes and nutrient cycles, the title focuses on the dynamic and applied aspects that are not covered within the current textbooks in the field. Complete coverage of all fresh water biota from viruses to invertebrates Unique focus on microbial interactions including coverage of biofilms, important communities on all exposed rivers and lakes. New information on molecular and microscopical techniques including a study of gene exchange between bacteria in the freshwater environment. Unique emphasis on the applied aspects of freshwater microbiology with particular emphasis on biodegradation and the causes and remediation of eutrophication and algal blooms.
Freshwater small pelagic fish and their fisheries in the major African lakes and reservoirs in relation to food security and nutrition
Author | : Food and Agriculture Organization of the United Nations |
Publisher | : Food & Agriculture Org. |
Total Pages | : 128 |
Release | : 2019-02-01 |
Genre | : Technology & Engineering |
ISBN | : 9251308136 |
Small pelagic fish species found in lakes and introduced to reservoirs dominate by volume and contribute some of the most important inland fisheries in Africa with steadily increasing catches and additional potential. This circular reviews the status and importance of the pelagic fish and fisheries, together with small fish in general, for sustainable and healthy livelihoods in Africa. It reviews the biology and biological production of the most important pelagic species in lakes and reservoirs as well as the impacts of environmental and climatic variation on the stocks of these species. It examines and discuss the various capture techniques together with potential of improvements in the fisheries and associated processing and national and regional trade within Africa. The knowledge generated by the circular will be useful for policy makers and development practitioners to design and implement more effective policies, strategies and programs that will contribute to reducing the food insecurity and conflicts that currently affect the people in sub-Saharan Africa.
Water Quality for Ecosystem and Human Health
Author | : Geneviève M. Carr |
Publisher | : UNEP/Earthprint |
Total Pages | : 132 |
Release | : 2008 |
Genre | : Business & Economics |
ISBN | : 9789295039513 |
This document is intended to provide an overview of the major components of surface and ground water quality and how these relate to ecosystem and human health. Local, regional and global assessments of water quality monitoring data are used to illustrate key features of aquatic environments, and to demonstrate how human activities on the landscape can influence water quality in both positive and negative ways. Clear and concise background knowledge on water quality can serve to support other water assessments.