Analysis of the effects of climate variables on Apis mellifera pollen foraging performance

Arquivo Brasileiro de Medicina Veterinaria e Zootecnia - Tập 70 Số 4 - Trang 1301-1308
Ígor Médici de Mattos1, Javier Ricardo García de Souza2, Ademilson Espencer Egea Soares2
1Faculdade de Medicina de Ribeirao Preto, Universidade de Sao Paulo - Ribeirao Preto, SPThe Hebrew University of Jerusalem - Jerusalem, Israel
2Faculdade de Medicina de Ribeirao Preto, Universidade de Sao Paulo - Ribeirao Preto, SP

Tóm tắt

ABSTRACT Pollination services performed by bees are essential for the reproduction of a great part of flowering plants. The pollen collected by Apis mellifera while performing pollination (bee pollen), has been incorporated into the human diet for its favorable nutritional components. Around 1,500 tons of bee pollen are produced annually worldwide, especially in Spain, China, Australia, Argentina, and Brazil. Despite the importance of bee pollen within apiculture, little is known about the effects of climate variations on bee pollen collection and production. We monitored the pollen collection performance of 24 different honey bee colonies in different climate conditions within a period of one year. We then analyzed the statistical interaction among the number of worker bees returning with pollen loads and 12 climatic variables, to produce a predictive mixed linear model. The results obtained showed that 7 climatic variables were statistically correlated to the pollen collection observed: Maximum temperature of the day, minimum temperature of the day, dew point temperature, relative humidity, cloud cover, rainfall, and the date of the sample. This research brings information for the development of a more effective pollen productive system.

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Arquivo Brasileiro de Medicina Veterinaria e Zootecnia

Tập 70 Số 4

1301-1308

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