Effectiveness of agri-environmental management on pollinators is moderated more by ecological contrast than by landscape structure or land-use intensity

Riho Marja, David Kleijn, Teja Tscharntke, Alexandra Maria Klein, Thomas Frank, Péter Batáry

Research output: Contribution to journalLetterAcademicpeer-review

Abstract

Agri-environment management (AEM) started in the 1980s in Europe to mitigate biodiversity decline, but the effectiveness of AEM has been questioned. We hypothesize that this is caused by a lack of a large enough ecological contrast between AEM and non-treated control sites. The effectiveness of AEM may be moderated by landscape structure and land-use intensity. Here, we examined the influence of local ecological contrast, landscape structure and regional land-use intensity on AEM effectiveness in a meta-analysis of 62 European pollinator studies. We found that ecological contrast was most important in determining the effectiveness of AEM, but landscape structure and regional land-use intensity played also a role. In conclusion, the most successful way to enhance AEM effectiveness for pollinators is to implement measures that result in a large ecological improvement at a local scale, which exhibit a strong contrast to conventional practices in simple landscapes of intensive land-use regions.

LanguageEnglish
Pages1493-1500
JournalEcology Letters
Volume22
Issue number9
Early online date8 Jul 2019
DOIs
Publication statusPublished - Sep 2019

Fingerprint

landscape structure
environmental management
pollinator
pollinators
land use
landscape management
meta-analysis
biodiversity

Keywords

  • Agri-environmental schemes
  • bees
  • biodiversity
  • butterflies
  • ecosystem services
  • flower strips
  • hoverflies
  • land-use intensity
  • meta-analysis

Cite this

Marja, Riho ; Kleijn, David ; Tscharntke, Teja ; Klein, Alexandra Maria ; Frank, Thomas ; Batáry, Péter. / Effectiveness of agri-environmental management on pollinators is moderated more by ecological contrast than by landscape structure or land-use intensity. In: Ecology Letters. 2019 ; Vol. 22, No. 9. pp. 1493-1500.
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abstract = "Agri-environment management (AEM) started in the 1980s in Europe to mitigate biodiversity decline, but the effectiveness of AEM has been questioned. We hypothesize that this is caused by a lack of a large enough ecological contrast between AEM and non-treated control sites. The effectiveness of AEM may be moderated by landscape structure and land-use intensity. Here, we examined the influence of local ecological contrast, landscape structure and regional land-use intensity on AEM effectiveness in a meta-analysis of 62 European pollinator studies. We found that ecological contrast was most important in determining the effectiveness of AEM, but landscape structure and regional land-use intensity played also a role. In conclusion, the most successful way to enhance AEM effectiveness for pollinators is to implement measures that result in a large ecological improvement at a local scale, which exhibit a strong contrast to conventional practices in simple landscapes of intensive land-use regions.",
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Effectiveness of agri-environmental management on pollinators is moderated more by ecological contrast than by landscape structure or land-use intensity. / Marja, Riho; Kleijn, David; Tscharntke, Teja; Klein, Alexandra Maria; Frank, Thomas; Batáry, Péter.

In: Ecology Letters, Vol. 22, No. 9, 09.2019, p. 1493-1500.

Research output: Contribution to journalLetterAcademicpeer-review

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