Soil Agrobiodiversity Measurement indicators
Journal Title: International Journal of Farming and Allied Sciences - Year 2014, Vol 4, Issue 1
Abstract
Soil is one of the most diverse habitats on earth and contains the most diverse assemblages of living organisms. Agricultural biodiversity includes all components of biological diversity of relevance to food and agriculture: the variety and variability of plants, animals and micro-organisms at genetic, species and ecosystem level which are necessary to sustain key functions in the agroecosystems, its structures and processes. Much work has already been done in the world on indicators of soil biodiversity. A rather large number of papers and books show the usefulness of most soil organisms as indicators of soil agrobiodiversity. To measure soil biodiversity, many different aspects need to be assessed, which requires the use of a set of various indicators. As a result, investigators have tried to design comprehensive indicators that combine a number of indicator parameters such as individual densities of indicator species or physico/chemical soil parameters. But for reasons of efficiency, data quality and repeatability, the number of indicators should be limited. Thus, the aim is to select the minimum set of indicators that adequately characterize soil biotic properties. Given the complexity of soil biota, indicators are useful to translate trends in soil biodiversity and related services in a simple and clear manner, and therefore sustainable use of soil should be indicated by an ecological indicator, based on a holistic approach that integrates data on physical, chemical and biological characteristics of the soil.
Authors and Affiliations
Saeed Sharafi, Mahmud Tanha, Rohallah Hassanzade
Keywords
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