Reference

All functions
BiomassTracking BiomassTracking-package	BiomassTracking
Sdata	Polygon structure and land positions
Udata	EW component of a flow field
Vdata	NS component of a flow field
biomass.compare()	Compare two different estimations of biomass movement
biomass.tracking()	Calculate the movement of biomass from movement tensors
particle.tracking()	Estimate a 'movement kernel' describing the movement of biomass.
particle.tracking.compare()	Track the movement of biomass as passive drifters
plot(<arena>)	Show the arena
prepare.arena()	Prepares the arena for an estimation of movement
quiver()	Plot a flow field
randomflowfield()	Generate one direction of a random flow field