Abstract
ABSTRACT Changes in land use management in agricultural areas can affect the biodiversity of spider families. This study aimed to evaluate spider diversity in different land use systems with capture by two sampling methods, and to identify soil properties that can modulate the occurrence of spiders. Five land use systems, representative of traditional agricultural areas, were evaluated in the west of Santa Catarina, Brazil, to establish a scale of land use intensity: native forest, eucalyptus reforestation areas, pastures, crop-livestock integration [...]
Highlights
Soil is home to a significant portion of total spider biodiversity
This study aimed to evaluate spider diversity in different land use systems with capture by two sampling methods, and to identify soil properties that can modulate the occurrence of spiders
The differences in the spider communities were explained by the following soil properties: organic matter, mean weight-diameter of soil aggregates, and resistance to penetration, which were associated with the degree of anthropic intervention in the land use systems
Summary
Soil is home to a significant portion of total spider biodiversity. Agricultural management practices invariably limit the communities of these animals. Agricultural management practices have been reported by several authors as one of the factors responsible to reduce soil biodiversity (Castro and Wise, 2010; Teague et al, 2011; Velásquez et al, 2012; Lafage and Pétillon, 2014; Kernecker et al, 2015; Lefebvre et al, 2016; Polchaninova et al, 2016; Michalko et al, 2017). This is especially so for spiders, as these animals are dependent on balanced trophic structures for foraging. Changes in forest vegetation and cultivated areas may influence spider populations
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