Format
A data frame with 21 observations on the following 2 variables.
X
- a numeric vector
Y
- a numeric vector
Source
Godet, L., Fournier, J., Toupoint, N., Olivier, F. 2009. Mapping and monitoring intertidal benthic habitats: a review of techniques and proposal of a new visual methodology for the European coasts. Progress in Physical Geography 33, 378-402