This is the first detailed treatment of the long-standing, previously unresolved controversy surrounding the nature of senescence in clonal cultures. Part historical review of the literature, part detective story, Sex and Death in Protozoa presents a comprehensive but entertaining discussion of the sometimes contradictory evidence for protozoan senescence and the rejuvenating effects of sex in these organisms. Drawing on Hermann Muller's "ratchet model," Dr. Bell demonstrates in a quantitative fashion how genetic recombination (an intrinsic part of the sexual process) can eliminate the...
This is the first detailed treatment of the long-standing, previously unresolved controversy surrounding the nature of senescence in clonal cultures. ...
Working entirely in harmony with nature, The Permaculture Garden shows you how to turn a bare plot into a beautiful and productive garden. Learn how to plan your garden for easy access and minimum labor; save time and effort digging and weeding; recycle materials to save money; plan crop successions for year-round harvests; save energy and harvest water; and garden without chemicals by building up your soil and planting in beneficial communities. Full of practical ideas, this perennial classic, first published in 1995, is guaranteed to inspire, inform, and entertain.
Working entirely in harmony with nature, The Permaculture Garden shows you how to turn a bare plot into a beautiful and productive garden....
The Permaculture Way shows us how to consciously design a lifestyle which is low in environmental impact and highly productive. It demonstrates how to meet our needs, make the most of resources by minimizing waste and maximizing potential, and still leave the Earth richer than we found it.
The Permaculture Way shows us how to consciously design a lifestyle which is low in environmental impact and highly productive. It demonst...