Does landscape composition affect pest abundance and their control by natural enemies? A review

Veres, Andrea; Petit, Sandrine; Conord, Cyrille; Lavigne, Claire

doi:10.1016/j.agee.2011.05.027

Cited by 376 publications

(322 citation statements)

References 53 publications

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“…Nevertheless, regarding pest abundance and control, inconsistent results were obtained from different meta-analyses. Chaplin-Kramer et al (2011) did not find any response of pests to landscape complexity while Veres et al (2013) reported a reduction of insect pest abundance, hence an increase of their control within fields when the amount of semi-natural areas increases. Specifically on aphids (Hemiptera: Aphididae), landscape simplification (i.e.…”

Section: At the Landscape Scalementioning

confidence: 99%

“…an increased proportion of cultivated land) also tends to reduce their natural control . Chaplin-Kramer et al (2011) and Veres et al (2013) proposed explanations for the variable effects of landscape complexity on insect pests across studies. Despite the resource concentration hypothesis (Root, 1973), large fields may favour pest dilution, resulting in a reduced abundance in regard to the field size.…”

Section: At the Landscape Scalementioning

confidence: 99%

“…Sowing grassy or wildflower strips adjacent to wheat (Tschumi et al, 2016a), bean (Vicia faba), oilseed rape or blueberries (Vaccinium corymbosum) (Blaauw and Isaacs, 2014) enhanced crop yield by supporting natural enemies and/or pollinators. At larger scales, assessments of landscape diversification on crop yield are also recent (Veres et al, 2013). Schneider et al (2015) reported no effect of semi-natural habitats on oilseed rape yield but an increase of landscape diversity and complexity increased crop yield in South Korean conventional-but not organic-farms , suggesting interactions between local management and landscape features on yield.…”

Section: Biomass Productionmentioning

confidence: 99%

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Spatial diversification of agroecosystems to enhance biological control and other regulating services: An agroecological perspective

Hatt

Boeraeve

Artru

et al. 2018

Science of The Total Environment

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Spatial diversification of crop and non-crop habitats in farming systems is promising for enhancing natural regulation of insect pests. Nevertheless, results from recent syntheses show variable effects.One explanation is that the abundance and diversity of pests and natural enemies are affected by the composition, design and management of crop and non-crop habitats. Moreover, interactions between both local and landscape elements and practices carried out at different spatial scales may affect the regulation of insect pests. Hence, research is being conducted to understand these interdependencies.However, insects are not the only pests and pests are not the only elements to regulate in agroecosystems. Broadening the scope could allow addressing multiple issues simultaneously, but also solving them together by enhancing synergies. Indeed, spatial diversification of crop and non-crop habitats can allow addressing the issues of weeds and pathogens, along with being beneficial to several other regulating services like pollination, soil conservation and nutrient cycling. Although calls rise to develop multifunctional landscapes that optimize the delivery of multiple ecosystem services, it still represents a scientific challenge today. Enhancing interdisciplinarity in research institutions and building interrelations between scientists and stakeholders may help reach this goal. Despite obstacles, positive results from research based on such innovative approaches are encouraging for engaging 2 science in this path. Hence, the aim of the present paper is to offer an update on these issues by exploring the most recent findings and discussing these results to highlight needs for future research.

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Section: At the Landscape Scalementioning

confidence: 99%

Section: At the Landscape Scalementioning

confidence: 99%

Section: Biomass Productionmentioning

confidence: 99%

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Spatial diversification of agroecosystems to enhance biological control and other regulating services: An agroecological perspective

Hatt

Boeraeve

Artru

et al. 2018

Science of The Total Environment

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“…It is now well recognized that heterogeneous landscapes, having high spatiotemporal biodiversities from field to the entire landscape level (Fig. 5), allow the recovery of high associated biodiversity and a high level of biological control in crop fields (Veres et al 2013). This provides resilience and stability of ecological processes in changing environments and corresponds to the landscape-moderated insurance hypothesis of Tscharntke et al (2012).…”

Section: Introductionmentioning

confidence: 99%

How to implement biodiversity-based agriculture to enhance ecosystem services: a review

Duru

Thérond

Martin

et al. 2015

Agron. Sustain. Dev.

462

283

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Intensive agriculture has led to several drawbacks such as biodiversity loss, climate change, erosion, and pollution of air and water. A potential solution is to implement management practices that increase the level of provision of ecosystem services such as soil fertility and biological regulation. There is a lot of literature on the principles of agroecology. However, there is a gap of knowledge between agroecological principles and practical applications. Therefore, we review here agroecological and management sciences to identify two facts that explain the lack of practical applications: (1) the occurrence of high uncertainties about relations between agricultural practices, ecological processes, and ecosystem services, and (2) the site-specific character of agroecological practices required to deliver expected ecosystem services. We also show that an adaptive-management approach, focusing on planning and monitoring, can serve as a framework for developing and implementing learning tools tailored for biodiversity-based agriculture. Among the current learning tools developed by researchers, we identify two main types of emergent support tools likely to help design diversified farming systems and landscapes: (1) knowledge bases containing scientific supports and experiential knowledge and (2) model-based games. These tools have to be coupled with well-tailored field or management indicators that allow monitoring effects of practices on biodiversity and ecosystem services. Finally, we propose a research agenda that requires bringing together contributions from agricultural, ecological, management, and knowledge management sciences, and asserts that researchers have to take the position of "integration and implementation sciences."

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“…A wide range of approaches have been proposed to increase the abundance and diversity of the natural enemy community, including habitat and landscape manipulation and food supplementation (Chaplin-Kramer et al, 2011). However, it has proved difficult to assess the contribution of local and landscape factors to pest abundance and to the level of biological control and has led to inconsistent findings (Thies and Tscharntke, 1999;Bianchi et al, 2006;Chaplin-Kramer et al, 2011;Veres et al, 2011). Moreover, even though some studies have explored the question of the scale at which biodiversity is important for ecosystem functioning, many gaps remain mainly because many control agents such as arthropods can disperse not only at local scale (i.e., between non-crop habitats and crops) but also at landscape scale (between different crops or different non-crop habitats).…”

Section: Importance Of the Spatial Scale And Landscape Organization Fmentioning

confidence: 99%

Managing biotic interactions for ecological intensification of agroecosystems

et al. 2014

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Agriculture faces the challenge of increasing food production while simultaneously reducing the use of inputs and delivering other ecosystem services. Ecological intensification of agriculture is a paradigm shift, which has recently been proposed to meet such challenges through the manipulation of biotic interactions. While this approach opens up new possibilities, there are many constraints related to the complexity of agroecosystems that make it difficult to implement. Future advances, which are essential to guide agricultural policy, require an eco-evolutionary framework to ensure that ecological intensification is beneficial in the long term.

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Does landscape composition affect pest abundance and their control by natural enemies? A review

Cited by 376 publications

References 53 publications

Spatial diversification of agroecosystems to enhance biological control and other regulating services: An agroecological perspective

Spatial diversification of agroecosystems to enhance biological control and other regulating services: An agroecological perspective

How to implement biodiversity-based agriculture to enhance ecosystem services: a review

Managing biotic interactions for ecological intensification of agroecosystems

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