Emilay Walker, Jacques Rivoirard, Philippe Gaspar, and Nicolas Bez. 2015. From forager tracks to prey distributions: an application to tuna vessel monitoring systems (VMS). Ecological Applications 25:826833. http://dx.doi.org/10.1890/14-0193.1


Appendix A: Additional figures on cokriging results: empirical and fitted variograms, histogram of all the standard errors of the cokriged estimates of the tuna presence, and values of index of presence for two coefficients of intensive search (IS) parameter.
Ecological Archives A025-049-A1.