Increasing precision in randomised field experiments: barnacle microtopography as a predictor of Littorina abundance

@article{Boulding2004IncreasingPI,
  title={Increasing precision in randomised field experiments: barnacle microtopography as a predictor of Littorina abundance},
  author={Elizabeth Grace Boulding and F. Maxwell Harper},
  journal={Hydrobiologia},
  year={2004},
  volume={378},
  pages={105-114}
}
We investigated whether measurements of barnacle microtopography could be used as covariates to increase precision in randomised field experiments with intertidal Littorina populations. We used image analysis to quantify the microtopography of the barnacles within 100 cm2 quadrats in July 1994 using as variables: number of barnacles, number of dead empty barnacles, mean distance to nearest neighbouring barnacle, total area covered by barnacles, and number of pockets of different size-classes… CONTINUE READING

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