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Jones, H.

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Works: 1 works in 1 publications in 1 language and 1 library holdings
Roles: Contributor
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Publications about H Jones
Publications by H Jones
Most widely held works by H Jones
˜Theœ effect of organic farming regimes on breeding and winter bird populations part 4 = Invertebrate and weed seed food-sources for birds in organic and conventional farmin systems ( file )
1 edition published in 1995 in English and held by 0 libraries worldwide
1.1 Introduction 1.1.1 Aim of project .To compare the abundance of invertebrate and weed seed food resources available to birds on orzanic and conventional farmland. The objective of the studv was to assess accurately the likely benefit of these farming systems to birds feeding on farrn'land, by sampling invertebrates and weed seeds. 1.1.2 Factors implicit to achieving the project aims Variation between farms within one system could influence' invertebrate or weed seed abundance and bias results, To minimise such effects and provide results 'representative of the farming systems as a whole, sampling was based on an extensive approach; farms were sampled in groups.
 
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English (1)
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