Interactive effects of large- and small-scale sources of feral honey-bees for sunflower in the Argentine Pampas.

On the contrary, we found a trend towards a more positive correlation between visitation frequencies by honey-bees and native insects with increasing field isolation; the slope of the linear regression between (log) habitat proximity and the correlation coefficient estimated for each field was close to significance (−0.13+0.063, F 1,15 = 4.23, P = 0.058).

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