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Permaculture design is a method of landscape planning that can be
applied at scales from the home garden to city block to village to farm. It is an ethically based whole-systems design approach that
uses concepts, principles, and methods derived from ecosystems,
indigenous peoples, and other time-tested practices to create
sustainable human settlements and institutions. Although rooted
in horticulture and agriculture, Permaculture design is
interdisciplinary, touching on a wide range of subjects including
regional planning, ecology, animal husbandry, appropriate
technology, architecture, and international development.
"Managing Alternative Pollinators: A Handbook for Beekeepers, Growers and Conservationists is a first-of-its-kind, step-by-step, full-color guide for rearing and managing bumble bees, mason bees, leafcutter bees and other bee species that provide pollination alternatives to the rapidly declining honey bee. Written by Eric Mader of the Xerces Society Pollinator Conservation Program; Professor of Entomology Marla Spivak; and Elaine Evans, author of “Befriending Bumble Bees,” the book includes expert information on the business and biology of pollination and how-to guidance on raising the alternative bee species.
The structure and functioning of plants, even that of massive 100-metre tall trees, is dependent on the structure of, and processes occurring in, microscopic cells. In this book we look at the major organelles in cells, the range of cell types in plants and how they are combined into tissues to create functioning leaves and other organs.