APAtree-package         Generation and analysis of maps of the area
                        potentially available to trees (APA-maps) of
                        forest stands
apa_add_agg_class       Add aggregation classes to an 'apa_list'
apa_add_polygon         Add 'POLYGON'-columns to an 'apa_list'
apa_add_subplot_dat     Add subplots to datasets
apa_border_tree         Assess which trees in APA-maps are border
                        trees.
apa_drop_x              Remove elements from an apa_list
apa_list                Calculating APA-maps
apa_ndiv                Calculate the index for neighborhood diversity
                        NDiv for an apa_list
apa_seg                 Calculate the segregation index of NDiv
apa_size                Calculate the sizes of APA-patches in an
                        'apa_list'
plot.apa_list           plot APA-maps
plot_enrico             Plot-level data of 16 forest stands in Lower
                        Saxony, Germany
subplot_enrico          Subplot-level data of 16 forest stands in Lower
                        Saxony, Germany
subset.apa_list         Subsetting of apa_lists
tree_enrico             Tree-level data of 16 forest stands in Lower
                        Saxony, Germany
