The whereabouts of flower visitors: contrasting land-use preferences revealed by a country-wide survey based on citizen science.

<h4>Background</h4>In the past decade, accumulating evidence of pollinator decline has raised concerns regarding the functioning of terrestrial ecosystems and the sustainability of crop production. Although land-use changes have been advanced as the major causes, the affinities of most w...

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Autores principales:	Nicolas Deguines, Romain Julliard, Mathieu de Flores, Colin Fontaine
Formato:	article
Lenguaje:	EN
Publicado:	Public Library of Science (PLoS) 2012
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/731643556eae4ae5b70a3dfc52bb1e0c
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spelling	oai:doaj.org-article:731643556eae4ae5b70a3dfc52bb1e0c2021-11-18T07:04:50ZThe whereabouts of flower visitors: contrasting land-use preferences revealed by a country-wide survey based on citizen science.1932-620310.1371/journal.pone.0045822https://doaj.org/article/731643556eae4ae5b70a3dfc52bb1e0c2012-01-01T00:00:00Zhttps://www.ncbi.nlm.nih.gov/pmc/articles/pmid/23029262/pdf/?tool=EBIhttps://doaj.org/toc/1932-6203<h4>Background</h4>In the past decade, accumulating evidence of pollinator decline has raised concerns regarding the functioning of terrestrial ecosystems and the sustainability of crop production. Although land-use changes have been advanced as the major causes, the affinities of most wild pollinators with the main land-use types remain unknown. Filling this gap in our knowledge is a prerequisite to improving conservation and management programmes.<h4>Methodology/principal findings</h4>We estimated the affinity of flower visitors with urban, agricultural and natural land-uses using data from a country-wide scale monitoring scheme based on citizen science (Spipoll). We tested whether the affinities differed among insect orders and according to insect frequency (frequent or infrequent). Our results indicate that the affinities with the three land-use types differed among insect orders. Apart from Hymenopterans, which appeared tolerant to the different land-uses, all flower visitors presented a negative affinity with urban areas and a positive affinity with agricultural and natural areas. Additionally, infrequent taxa displayed a lower affinity with urban areas and a higher affinity with natural areas than did frequent taxa. Within frequent taxa, Hymenoptera and Coleoptera included specialists of the three land-use types whereas Diptera and Lepidoptera contained specialists of all but urban areas.<h4>Conclusions/significance</h4>Our approach allowed the first standardised evaluation of the affinity of flower visitors with the main land-use types across a broad taxonomical range and a wide geographic scope. Our results suggest that the most detrimental land-use change for flower visitor communities is urbanisation. Moreover, our findings highlight the fact that agricultural areas have the potential to host highly diverse pollinator communities. We suggest that policy makers should, therefore, focus on the implementation of pollinator-friendly practices in agricultural lands. This may be a win-win strategy, as both biodiversity and crop production may benefit from healthier communities of flower visitors in these areas.Nicolas DeguinesRomain JulliardMathieu de FloresColin FontainePublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 7, Iss 9, p e45822 (2012)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Nicolas Deguines Romain Julliard Mathieu de Flores Colin Fontaine The whereabouts of flower visitors: contrasting land-use preferences revealed by a country-wide survey based on citizen science.
description	<h4>Background</h4>In the past decade, accumulating evidence of pollinator decline has raised concerns regarding the functioning of terrestrial ecosystems and the sustainability of crop production. Although land-use changes have been advanced as the major causes, the affinities of most wild pollinators with the main land-use types remain unknown. Filling this gap in our knowledge is a prerequisite to improving conservation and management programmes.<h4>Methodology/principal findings</h4>We estimated the affinity of flower visitors with urban, agricultural and natural land-uses using data from a country-wide scale monitoring scheme based on citizen science (Spipoll). We tested whether the affinities differed among insect orders and according to insect frequency (frequent or infrequent). Our results indicate that the affinities with the three land-use types differed among insect orders. Apart from Hymenopterans, which appeared tolerant to the different land-uses, all flower visitors presented a negative affinity with urban areas and a positive affinity with agricultural and natural areas. Additionally, infrequent taxa displayed a lower affinity with urban areas and a higher affinity with natural areas than did frequent taxa. Within frequent taxa, Hymenoptera and Coleoptera included specialists of the three land-use types whereas Diptera and Lepidoptera contained specialists of all but urban areas.<h4>Conclusions/significance</h4>Our approach allowed the first standardised evaluation of the affinity of flower visitors with the main land-use types across a broad taxonomical range and a wide geographic scope. Our results suggest that the most detrimental land-use change for flower visitor communities is urbanisation. Moreover, our findings highlight the fact that agricultural areas have the potential to host highly diverse pollinator communities. We suggest that policy makers should, therefore, focus on the implementation of pollinator-friendly practices in agricultural lands. This may be a win-win strategy, as both biodiversity and crop production may benefit from healthier communities of flower visitors in these areas.
format	article
author	Nicolas Deguines Romain Julliard Mathieu de Flores Colin Fontaine
author_facet	Nicolas Deguines Romain Julliard Mathieu de Flores Colin Fontaine
author_sort	Nicolas Deguines
title	The whereabouts of flower visitors: contrasting land-use preferences revealed by a country-wide survey based on citizen science.
title_short	The whereabouts of flower visitors: contrasting land-use preferences revealed by a country-wide survey based on citizen science.
title_full	The whereabouts of flower visitors: contrasting land-use preferences revealed by a country-wide survey based on citizen science.
title_fullStr	The whereabouts of flower visitors: contrasting land-use preferences revealed by a country-wide survey based on citizen science.
title_full_unstemmed	The whereabouts of flower visitors: contrasting land-use preferences revealed by a country-wide survey based on citizen science.
title_sort	whereabouts of flower visitors: contrasting land-use preferences revealed by a country-wide survey based on citizen science.
publisher	Public Library of Science (PLoS)
publishDate	2012
url	https://doaj.org/article/731643556eae4ae5b70a3dfc52bb1e0c
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The whereabouts of flower visitors: contrasting land-use preferences revealed by a country-wide survey based on citizen science.

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