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Revista de Ciências Agrárias
versión impresa ISSN 0871-018X
Resumen
TAVARES, Catarina et al. Methodological approach to assess biodiversity in agro ecosystems: A case study. Rev. de Ciências Agrárias [online]. 2013, vol.36, n.3, pp.324-330. ISSN 0871-018X.
In agroecosystems, the evaluation of biodiversity is extremely important given its relation with their sustainability, however it is a difficult and expensive task. The use of the higher taxa surrogacy has been proposed as an effective and less expensive way to assess biodiversity, but is still being used mainly in natural, more stable, ecosystems. In this study, we tested the use of the higher taxa surrogacy approach for spiders in pear orchards, under different production systems, in the “Oeste” region of Portugal. Spiders were chosen for this case study, since they are important predators, acting as biological control agents in agroecosystems. We concluded that genus can be used as a higher taxa surrogate of species richness with a good accuracy.
Palabras clave : Higher taxa surrogacy; pear orchards; spiders.