Manipulating the abundance of natural enemies in ornamental landscapes with floral resource plants

Rebek, Eric J.; Sadof, Clifford S.; Hanks, Lawrence M.

doi:10.1016/j.biocontrol.2005.02.011

Cited by 78 publications

(68 citation statements)

References 37 publications

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“…This study shows that 'plant rich' weedy margins (zone A) can enhance the abundance of some predators. Our results agree with some other studies showing that the introduction of flowering plants into agricultural settings leads to increased arthropod abundance (Rebek et al, 2005;Walton & Isaacs, 2011). Higher arthropod diversity was associated with greater compositional diversity of weed cover (Benton et al, 2003;Gaigher & Samways, 2010).…”

Section: Discussionsupporting

confidence: 92%

“…Syrphidae prefer grassy strips based on total botanical diversity (Speight, 2008). Plants from these families (Apiaceae and Asteraceae) are known as nectar and pollen producers in great amounts so they play an important role in Syrphidae attraction (Branquart & Hemptinne, 2000;Rebek et al, 2005;Morales & Kohler, 2008;van Rijn & Wäckers, 2010). As expected, the low number of syrphids at OP could be due to the low presence of flowering weeds.…”

Section: Discussionmentioning

confidence: 85%

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The role of ecological infrastructure on beneficial arthropods in vineyards

Franin

Barić

Kuštera

2016

Span. j. agric. res.

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Weeds and non-cultivated plants have a great impact on abundance and diversity of beneficial arthropods in agriculture. The main aim of this work was to study the influence of the ecological infrastructure (meadows and weedy margins) on the arthropod composition in vineyard surrounding landscape. Research was carried out from May to October during three years. Sampling took place in the ecological infrastructure of three differently managed vineyards (organic, integrated and extensive). Three zones were chosen in each vineyard (3 m, 10 m, and 30 m from the edge of the vineyard). Samples were taken using a standardised sweep net method. In total, we captured 6032 spiders and 1309 insects belonging to 4 orders and 10 families. Arthropod fauna was numerically dominated by Aranea (82.1%); among insects, Coleoptera was the most abundant taxonomic group (10.6%); Neuroptera showed the lowest value (0.88%). Significant differences were found between sites and zones. Organic vineyard showed the highest abundance of arthropods (92.41% were spiders) and in the integrated vineyard there was a 23% of insects. Both the highest abundance of arthropods and the highest Shannon Index value (2.46) was found 3 m away from the edge of the vineyard. Results showed that spiders were the dominant arthropods and ladybugs the dominant insects. Weedy strips near the edge of the vineyard contained a high number of insects and spiders. Our results support the importance of weedy margins in enhancing the population of arthropods as well as in biodiversity promotion. Well-managed field margins could play important role in biological control of vineyard pests.

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Section: Discussionsupporting

confidence: 92%

Section: Discussionmentioning

confidence: 85%

The role of ecological infrastructure on beneficial arthropods in vineyards

Franin

Barić

Kuštera

2016

Span. j. agric. res.

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“…Ornamental and crop plant richness correlated with family and morphospecies richness. Increased abundance and diversity of flowering trees, shrubs, and ornamental or crop species that are often associated with agricultural habitats may attract many potential prey items (Rebek et al 2005). An increase in prey abundance or richness would also encourage an increase in activity density and diversity of spiders (Sunderland and Samu 2000).…”

Section: Discussionmentioning

confidence: 99%

Local and Landscape Correlates of Spider Activity Density and Species Richness in Urban Gardens

2015

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“…Manipulating patterns of habitat structure provides a way to conserve natural enemies that can help keep pest numbers in check (i.e., the goal of conservation biological control). For example, increasing the diversity of flowering plants in urbanized landscapes might provide favorable habitats and resources for predators and parasitoids and increase their abundances (Bramen et al 2002;Shrewsbury et al 2004;Rebek et al 2005). Alternatively, small patches (e.g., 3×3 m) of unmowed vegetation or mulch that have dense and complex detritus layers can provide refugia for predatory arthropods (e.g., spiders, ants) in highly managed lawns and, in turn, increase their overall activity levels across urbanized landscapes (Byrne 2006).…”

Section: Landscape Patternsmentioning

confidence: 99%

Habitat structure: A fundamental concept and framework for urban soil ecology

Byrne

2007

Urban Ecosyst

112

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Habitat structure is defined as the composition and arrangement of physical matter at a location. Although habitat structure is the physical template underlying ecological patterns and processes, the concept is relatively unappreciated and underdeveloped in ecology. However, it provides a fundamental concept for urban ecology because human activities in urban ecosystems are often targeted toward management of habitat structure. In addition, the concept emphasizes the fine-scale, on-the-ground perspective needed in the study of urban soil ecology. To illustrate this, urban soil ecology research is summarized from the perspective of habitat structure effects. Among the key conclusions emerging from the literature review are: (1) habitat structure provides a unifying theme for multivariate research about urban soil ecology; (2) heterogeneous urban habitat structures influence soil ecological variables in different ways; (3) more research is needed to understand relationships among sociological variables, habitat structure patterns and urban soil ecology. To stimulate urban soil ecology research, a conceptual framework is presented to show the direct and indirect relationships among habitat structure and ecological variables. Because habitat structure serves as a physical link between sociocultural and ecological systems, it can be used as a focus for interdisciplinary and applied research (e.g., pest management) about the multiple, interactive effects of urbanization on the ecology of soils.

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Manipulating the abundance of natural enemies in ornamental landscapes with floral resource plants

Cited by 78 publications

References 37 publications

The role of ecological infrastructure on beneficial arthropods in vineyards

The role of ecological infrastructure on beneficial arthropods in vineyards

Local and Landscape Correlates of Spider Activity Density and Species Richness in Urban Gardens

Habitat structure: A fundamental concept and framework for urban soil ecology

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