Download Agrobiodiversity: characterization Utilization and by David Wood, Jillian M. Lenné PDF

By David Wood, Jillian M. Lenné

ISBN-10: 0851993370

ISBN-13: 9780851993379

Worldwide awareness to biodiversity has multiplied long ago decade. Agricultural biodiversity is crucial a part of biodiversity for human survival, but has been missed as a subject matter. This e-book presents a huge evaluation of present considering on agrobiodiversity - what it's, the way it is conserved, and the way it may be larger used in sustainable farming. It brings jointly contributions from a large geographical and disciplinary historical past. Emphasis is put on practical interactions among elements of agrobiodiversity in quite a number farming structures, illustrated by way of many case reviews. The ebook relates the evolution of agrobiodiversity and its profitable administration to the wider atmosphere and to the starting to be have to preserve biodiversity in efficient agricultural structures. it's crucial studying for ecologists, biologists and agricultural scientists.

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Additional info for Agrobiodiversity: characterization Utilization and management

Sample text

In the first, a mono culture of a single, modern wheat cultivar, genetic diversity is low at alllevds in anyone growing season. If the cuItivar was derived from an early generation of selfing, there will be some residual genetic diversity among plants within the cultivar. But, at other levels, uniformity reigns. The second example - a monoculture of a multiline cultivar - is also highly uniform. 3, from the simplest to the most complex. ically important gene pool - continue to evolve in southwest Asia.

The relative time scales of the development of diversity and the recognition of its importance are lherefore diseoneertin~. We now have techniques by which a breed (or breeds) can be replaced completely by another within less time than one human generatIOn. Documented breed records have only been developed in the last 200 years or so although breeds have existed and records have been maintained for centuries by memory and orally. However, the term 'breed' needs defining. The following definition by Turton (1974) is preferred by the Food © 1999 CAB International- Agroblodr'ver5jty (0.

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Agrobiodiversity: characterization Utilization and management by David Wood, Jillian M. Lenné


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