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'Bee' in keywords Facet   Publication Year 1988  [X]
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1Author    W. Greenaway, T. Scaysbrook, F. R. WhatleyRequires cookie*
 Title    Composition of Propolis in Oxfordshire, U.K. and its Relation to Poplar Bud Exudate  
 Abstract    Propolis balsam from four locations in Oxfordshire was analysed. The balsam was qualitatively similar but showed large quantitative differences in composition. These quan-titative differences are related to the bud exudate composi-tion of the poplars from which balsam was gathered. 
  Reference    Z. Naturforsch. 43c, 301—305 (1988); received November 13 1987 
  Published    1988 
  Keywords    Propolis, Poplar Bud Exudate, Bees 
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 TEI-XML for    default:Reihe_C/43/ZNC-1988-43c-0301_n.pdf 
 Identifier    ZNC-1988-43c-0301_n 
 Volume    43 
2Author    K. KirschfeldRequires cookie*
 Title    Navigation and Compass Orientation by Insects According to the Polarization Pattern of the Sky  
 Abstract    A recent theory attempts to explain how bees take their compass orientation from the pattern of polarized light in the sky (S. Rossel and R. Wehner, Nature 323, 128-131 (1986)). According to this theory, orientation can be erroneous and lead to the wrong course of a recruited bee in search of the foraging site whenever only a small patch of the blue sky is visible to the bee. It is shown that orientation under natural conditions is not erroneous, if the compass reference is variable in time but equally defined for both, scout bees and recruits. 
  Reference    Z. Naturforsch. 43c, 467—469 (1988); received January 25 1988 
  Published    1988 
  Keywords    Navigation, Compass Orientation, e-Vector, Insect, Bee 
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 TEI-XML for    default:Reihe_C/43/ZNC-1988-43c-0467.pdf 
 Identifier    ZNC-1988-43c-0467 
 Volume    43