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Tremendous Bee Extinction at the Upper Rhine Valley in 2008

Tremendous Bee Extinction at the Upper Rhine Valley in 2008

Tremendous Bee Extinction at the Upper Rhine Valley in 2008

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Table 1<strong>Bee</strong> samplesContent Clothianid<strong>in</strong> Methiocarb Thiachlopridµg/kg ng/bee Quantity % Quantity % Quantity %< 1 < 0,1 21 16,5 85 66,9 54 81,81 – 5 0,1 - 0,5 18 14,2 36 28,3 10 15,25 – 10 0,5 - 1,0 47 37 5 3,9 2 310 – 15 1,0 - 1,5 26 20,5 - - - -15 – 20 1,5 - 2,0 8 6,3 1 0,8 - -20 – 40 2,0 - 4,0 4 3,2 - - - -> 40 > 4,0 2 1,6 - - - -<strong>Bee</strong> bread samplesContent Clothianid<strong>in</strong> Methiocarb Thiachlopridµg/kg Quantity % Quantity % Quantity %< 1 77 65,8 53 45,3 29 38,11 - 5 7 6 22 18,8 8 10,55 - 10 6 5,1 12 10,3 14 18,410 - 15 8 6,8 12 10,3 7 9,215 - 20 1 0,9 6 5,1 4 5,320 - 50 13 11,1 8 6,8 7 9,250 - 100 5 4,3 4 3,4 4 5,3> 100 - - - - 3 4Plant samplesContent Clothianid<strong>in</strong> Methiocarb Thiachlopridµg/kg Quantity % Quantity % Quantity %< 1 77 65,8 53 45,3 29 38,11 - 5 7 6 22 18,8 8 10,55 - 10 6 5,1 12 10,3 14 18,410 - 15 8 6,8 12 10,3 7 9,215 - 20 1 0,9 6 5,1 4 5,320 - 50 13 11,1 8 6,8 7 9,250 - 100 5 4,3 4 3,4 4 5,3> 100 - - - - 3 4Table 2Table 3Figure 1 Neg<strong>at</strong>ive pressure maize seederFigure 2 Petri dishes <strong>in</strong>side a maize field127

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