Beneficial insects are associated with botanically rich margins with trees on small farms

Abstract Beneficial insect communities on farms are influenced by site- and landscape-level factors, with pollinator and natural enemy populations often associated with semi-natural habitat remnants. They provide ecosystem services essential for all agroecosystems. For smallholders, natural pest reg...

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Autores principales:	Sarah E. J. Arnold, Filemon Elisante, Prisila A. Mkenda, Yolice L. B. Tembo, Patrick A. Ndakidemi, Geoff M. Gurr, Iain A. Darbyshire, Steven R. Belmain, Philip C. Stevenson
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/b31b95ccd25342f492de0ec3dbc795e6
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spelling	oai:doaj.org-article:b31b95ccd25342f492de0ec3dbc795e62021-12-02T16:24:56ZBeneficial insects are associated with botanically rich margins with trees on small farms10.1038/s41598-021-94536-32045-2322https://doaj.org/article/b31b95ccd25342f492de0ec3dbc795e62021-07-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-94536-3https://doaj.org/toc/2045-2322Abstract Beneficial insect communities on farms are influenced by site- and landscape-level factors, with pollinator and natural enemy populations often associated with semi-natural habitat remnants. They provide ecosystem services essential for all agroecosystems. For smallholders, natural pest regulation may be the only affordable and available option to manage pests. We evaluated the beneficial insect community on smallholder bean farms (Phaseolus vulgaris L.) and its relationship with the plant communities in field margins, including margin trees that are not associated with forest fragments. Using traps, botanical surveys and transect walks, we analysed the relationship between the floral diversity/composition of naturally regenerating field margins, and the beneficial insect abundance/diversity on smallholder farms, and the relationship with crop yield. More flower visits by potential pollinators and increased natural enemy abundance measures in fields with higher plant, and particularly tree, species richness, and these fields also saw improved crop yields. Many of the flower visitors to beans and potential natural enemy guilds also made use of non-crop plants, including pesticidal and medicinal plant species. Selective encouragement of plants delivering multiple benefits to farms can contribute to an ecological intensification approach. However, caution must be employed, as many plants in these systems are introduced species.Sarah E. J. ArnoldFilemon ElisantePrisila A. MkendaYolice L. B. TemboPatrick A. NdakidemiGeoff M. GurrIain A. DarbyshireSteven R. BelmainPhilip C. StevensonNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-11 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Sarah E. J. Arnold Filemon Elisante Prisila A. Mkenda Yolice L. B. Tembo Patrick A. Ndakidemi Geoff M. Gurr Iain A. Darbyshire Steven R. Belmain Philip C. Stevenson Beneficial insects are associated with botanically rich margins with trees on small farms
description	Abstract Beneficial insect communities on farms are influenced by site- and landscape-level factors, with pollinator and natural enemy populations often associated with semi-natural habitat remnants. They provide ecosystem services essential for all agroecosystems. For smallholders, natural pest regulation may be the only affordable and available option to manage pests. We evaluated the beneficial insect community on smallholder bean farms (Phaseolus vulgaris L.) and its relationship with the plant communities in field margins, including margin trees that are not associated with forest fragments. Using traps, botanical surveys and transect walks, we analysed the relationship between the floral diversity/composition of naturally regenerating field margins, and the beneficial insect abundance/diversity on smallholder farms, and the relationship with crop yield. More flower visits by potential pollinators and increased natural enemy abundance measures in fields with higher plant, and particularly tree, species richness, and these fields also saw improved crop yields. Many of the flower visitors to beans and potential natural enemy guilds also made use of non-crop plants, including pesticidal and medicinal plant species. Selective encouragement of plants delivering multiple benefits to farms can contribute to an ecological intensification approach. However, caution must be employed, as many plants in these systems are introduced species.
format	article
author	Sarah E. J. Arnold Filemon Elisante Prisila A. Mkenda Yolice L. B. Tembo Patrick A. Ndakidemi Geoff M. Gurr Iain A. Darbyshire Steven R. Belmain Philip C. Stevenson
author_facet	Sarah E. J. Arnold Filemon Elisante Prisila A. Mkenda Yolice L. B. Tembo Patrick A. Ndakidemi Geoff M. Gurr Iain A. Darbyshire Steven R. Belmain Philip C. Stevenson
author_sort	Sarah E. J. Arnold
title	Beneficial insects are associated with botanically rich margins with trees on small farms
title_short	Beneficial insects are associated with botanically rich margins with trees on small farms
title_full	Beneficial insects are associated with botanically rich margins with trees on small farms
title_fullStr	Beneficial insects are associated with botanically rich margins with trees on small farms
title_full_unstemmed	Beneficial insects are associated with botanically rich margins with trees on small farms
title_sort	beneficial insects are associated with botanically rich margins with trees on small farms
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/b31b95ccd25342f492de0ec3dbc795e6
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Beneficial insects are associated with botanically rich margins with trees on small farms

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