Landscape factors influencing honey bee colony behavior in Southern California commercial apiaries

Abstract Colony brood levels, frames of bees (adult bee mass) and internal hive temperature were monitored for 60 colonies for each of two years as they were moved from agricultural, tree crop and mountain landscapes in southern California to blueberry and almond pollination sites. Hive weight was a...

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Autores principales:	William G. Meikle, Milagra Weiss, Eli Beren
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2020
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/ed6084dbdccf4ad3a3bdc4f54089786c
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spelling	oai:doaj.org-article:ed6084dbdccf4ad3a3bdc4f54089786c2021-12-02T16:31:17ZLandscape factors influencing honey bee colony behavior in Southern California commercial apiaries10.1038/s41598-020-61716-62045-2322https://doaj.org/article/ed6084dbdccf4ad3a3bdc4f54089786c2020-03-01T00:00:00Zhttps://doi.org/10.1038/s41598-020-61716-6https://doaj.org/toc/2045-2322Abstract Colony brood levels, frames of bees (adult bee mass) and internal hive temperature were monitored for 60 colonies for each of two years as they were moved from agricultural, tree crop and mountain landscapes in southern California to blueberry and almond pollination sites. Hive weight was also continuously monitored for 20 of those hives for 6 weeks for both years, during commercial pollination. Pesticide residues in wax, honey and beebread samples were analyzed by composite apiary samples. While colonies in mountain sites had more adult bees and brood than those in agricultural sites in August, by October brood levels were higher in colonies from agricultural sites. Though hives from different original landscapes differed in size in October, hive assessments revealed no differences between the groups after co-wintering when graded for commercial almond pollination. Beebread from hives in agricultural sites had greater agrochemical diversity and in general higher pesticide hazard quotients than those from mountain sites, but those hives also had higher and more constant temperatures from September until January than hives from mountain sites. Hives placed in commercial almond pollination gained on average 287 g per d, compared to an average loss of 68 g per d for colonies in commercial blueberry pollination, although weight data indicated greater foraging effort by colonies in blueberries, possibly due to the proximity and abundance of almond pollen during bloom. Temperature monitoring was effective at distinguishing hive groups and had the best overall value in terms of equipment, installation, colony disturbance and information yield.William G. MeikleMilagra WeissEli BerenNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 10, Iss 1, Pp 1-16 (2020)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q William G. Meikle Milagra Weiss Eli Beren Landscape factors influencing honey bee colony behavior in Southern California commercial apiaries
description	Abstract Colony brood levels, frames of bees (adult bee mass) and internal hive temperature were monitored for 60 colonies for each of two years as they were moved from agricultural, tree crop and mountain landscapes in southern California to blueberry and almond pollination sites. Hive weight was also continuously monitored for 20 of those hives for 6 weeks for both years, during commercial pollination. Pesticide residues in wax, honey and beebread samples were analyzed by composite apiary samples. While colonies in mountain sites had more adult bees and brood than those in agricultural sites in August, by October brood levels were higher in colonies from agricultural sites. Though hives from different original landscapes differed in size in October, hive assessments revealed no differences between the groups after co-wintering when graded for commercial almond pollination. Beebread from hives in agricultural sites had greater agrochemical diversity and in general higher pesticide hazard quotients than those from mountain sites, but those hives also had higher and more constant temperatures from September until January than hives from mountain sites. Hives placed in commercial almond pollination gained on average 287 g per d, compared to an average loss of 68 g per d for colonies in commercial blueberry pollination, although weight data indicated greater foraging effort by colonies in blueberries, possibly due to the proximity and abundance of almond pollen during bloom. Temperature monitoring was effective at distinguishing hive groups and had the best overall value in terms of equipment, installation, colony disturbance and information yield.
format	article
author	William G. Meikle Milagra Weiss Eli Beren
author_facet	William G. Meikle Milagra Weiss Eli Beren
author_sort	William G. Meikle
title	Landscape factors influencing honey bee colony behavior in Southern California commercial apiaries
title_short	Landscape factors influencing honey bee colony behavior in Southern California commercial apiaries
title_full	Landscape factors influencing honey bee colony behavior in Southern California commercial apiaries
title_fullStr	Landscape factors influencing honey bee colony behavior in Southern California commercial apiaries
title_full_unstemmed	Landscape factors influencing honey bee colony behavior in Southern California commercial apiaries
title_sort	landscape factors influencing honey bee colony behavior in southern california commercial apiaries
publisher	Nature Portfolio
publishDate	2020
url	https://doaj.org/article/ed6084dbdccf4ad3a3bdc4f54089786c
work_keys_str_mv	AT williamgmeikle landscapefactorsinfluencinghoneybeecolonybehaviorinsoutherncaliforniacommercialapiaries AT milagraweiss landscapefactorsinfluencinghoneybeecolonybehaviorinsoutherncaliforniacommercialapiaries AT eliberen landscapefactorsinfluencinghoneybeecolonybehaviorinsoutherncaliforniacommercialapiaries
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Landscape factors influencing honey bee colony behavior in Southern California commercial apiaries

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