Surveying the arable plant diversity of conventionally managed farmland: a comparison of methods.

For the Edge_500 approach, we found in the 45 - field sample a highly significant correlation between the number of arable plant species detected in these plots and the total number of arable plant species present in the field (r = 0.83, p < 0.0001; Fig. 3 ).

also in 132,142 other papers