Cyanobacteria make a major contribution to world photosynthesis and nitrogen fixation, but are also notorious for causing nuisances such as dense and often toxic blooms' in lakes and the ocean. The Ecology of Cyanobacteria: Their Diversity in Time and Space is the first book to focus solely on ecological aspects of these organisms. Its twenty-two chapters are written by some thirty authors, who are leading experts in their particular subject.
The book begins with an overview of the cyanobacteria - or blue-green algae, for those who are not specialists - then looks at...

The need to improve maternal and child health care may be the most important global health need of the remaining years of the twentieth century. It is central to the World Health Organization's (WHO) goal of Health for All by the Year 2000. The vast majority of births occur in developing countries, where maternity care is often rudimentary. The rates of maternal and infant morbidity and death for these countries are extremely high but much of the morbidity and death is preventable, even with the limited resources available for health care in many parts of the world. The resources devoted to...