Patch utilization and flower visitations by wild bees in a honey bee‐dominated, grassland landscape

Abstract Understanding habitat needs and patch utilization of wild and managed bees has been identified as a national research priority in the United States. We used occupancy models to investigate patterns of bee use across 1030 transects spanning a gradient of floral resource abundance and richnes...

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Autores principales:	Clint R. V. Otto, Larissa L. Bailey, Autumn H. Smart
Formato:	article
Lenguaje:	EN
Publicado:	Wiley 2021
Materias:	dietary niche forage habitat honey bee managed bee native bee Ecology QH540-549.5
Acceso en línea:	https://doaj.org/article/726c30a3a7bc4faca1e9428fc898f621
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spelling	oai:doaj.org-article:726c30a3a7bc4faca1e9428fc898f6212021-11-08T17:10:40ZPatch utilization and flower visitations by wild bees in a honey bee‐dominated, grassland landscape2045-775810.1002/ece3.8174https://doaj.org/article/726c30a3a7bc4faca1e9428fc898f6212021-11-01T00:00:00Zhttps://doi.org/10.1002/ece3.8174https://doaj.org/toc/2045-7758Abstract Understanding habitat needs and patch utilization of wild and managed bees has been identified as a national research priority in the United States. We used occupancy models to investigate patterns of bee use across 1030 transects spanning a gradient of floral resource abundance and richness and distance from apiaries in the Prairie Pothole Region (PPR) of the United States. Estimates of transect use by honey bees were nearly 1.0 during our 3.5‐month sampling period, suggesting honey bees were nearly ubiquitous across transects. Wild bees more frequently used transects with higher flower richness and more abundant flowers; however, the effect size of the native flower abundance covariate (β^native = 3.90 ± 0.65 [1SE]) was four times greater than the non‐native flower covariate (β^non‐native = 0.99 ± 0.17). We found some evidence that wild bee use was lower at transects near commercial apiaries, but the effect size was imprecise (β^distance = 1.4 ± 0.81). Honey bees were more frequently detected during sampling events with more non‐native flowers and higher species richness but showed an uncertain relationship with native flower abundance. Of the 4039 honey bee and flower interactions, 85% occurred on non‐native flowers, while only 43% of the 738 wild bee observations occurred on non‐native flowers. Our study suggests wild bees and honey bees routinely use the same resource patches in the PPR but often visit different flowering plants. The greatest potential for resource overlap between honey bees and wild bees appears to be for non‐native flowers in the PPR. Our results are valuable to natural resource managers tasked with supporting habitat for managed and wild pollinators in agroecosystems.Clint R. V. OttoLarissa L. BaileyAutumn H. SmartWileyarticledietary nicheforagehabitathoney beemanaged beenative beeEcologyQH540-549.5ENEcology and Evolution, Vol 11, Iss 21, Pp 14888-14904 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	dietary niche forage habitat honey bee managed bee native bee Ecology QH540-549.5
spellingShingle	dietary niche forage habitat honey bee managed bee native bee Ecology QH540-549.5 Clint R. V. Otto Larissa L. Bailey Autumn H. Smart Patch utilization and flower visitations by wild bees in a honey bee‐dominated, grassland landscape
description	Abstract Understanding habitat needs and patch utilization of wild and managed bees has been identified as a national research priority in the United States. We used occupancy models to investigate patterns of bee use across 1030 transects spanning a gradient of floral resource abundance and richness and distance from apiaries in the Prairie Pothole Region (PPR) of the United States. Estimates of transect use by honey bees were nearly 1.0 during our 3.5‐month sampling period, suggesting honey bees were nearly ubiquitous across transects. Wild bees more frequently used transects with higher flower richness and more abundant flowers; however, the effect size of the native flower abundance covariate (β^native = 3.90 ± 0.65 [1SE]) was four times greater than the non‐native flower covariate (β^non‐native = 0.99 ± 0.17). We found some evidence that wild bee use was lower at transects near commercial apiaries, but the effect size was imprecise (β^distance = 1.4 ± 0.81). Honey bees were more frequently detected during sampling events with more non‐native flowers and higher species richness but showed an uncertain relationship with native flower abundance. Of the 4039 honey bee and flower interactions, 85% occurred on non‐native flowers, while only 43% of the 738 wild bee observations occurred on non‐native flowers. Our study suggests wild bees and honey bees routinely use the same resource patches in the PPR but often visit different flowering plants. The greatest potential for resource overlap between honey bees and wild bees appears to be for non‐native flowers in the PPR. Our results are valuable to natural resource managers tasked with supporting habitat for managed and wild pollinators in agroecosystems.
format	article
author	Clint R. V. Otto Larissa L. Bailey Autumn H. Smart
author_facet	Clint R. V. Otto Larissa L. Bailey Autumn H. Smart
author_sort	Clint R. V. Otto
title	Patch utilization and flower visitations by wild bees in a honey bee‐dominated, grassland landscape
title_short	Patch utilization and flower visitations by wild bees in a honey bee‐dominated, grassland landscape
title_full	Patch utilization and flower visitations by wild bees in a honey bee‐dominated, grassland landscape
title_fullStr	Patch utilization and flower visitations by wild bees in a honey bee‐dominated, grassland landscape
title_full_unstemmed	Patch utilization and flower visitations by wild bees in a honey bee‐dominated, grassland landscape
title_sort	patch utilization and flower visitations by wild bees in a honey bee‐dominated, grassland landscape
publisher	Wiley
publishDate	2021
url	https://doaj.org/article/726c30a3a7bc4faca1e9428fc898f621
work_keys_str_mv	AT clintrvotto patchutilizationandflowervisitationsbywildbeesinahoneybeedominatedgrasslandlandscape AT larissalbailey patchutilizationandflowervisitationsbywildbeesinahoneybeedominatedgrasslandlandscape AT autumnhsmart patchutilizationandflowervisitationsbywildbeesinahoneybeedominatedgrasslandlandscape
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Patch utilization and flower visitations by wild bees in a honey bee‐dominated, grassland landscape

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