RIind                   Flowering phenology index of Mahoro (2002) at
                        individual level
RIpop                   Flowering phenology index of Mahoro (2002) at
                        poplulation level
SI                      Flowering synchrony index of Albert et
                        al.(2001)
SI2                     Flowering synchrony index of Augspurger (1983)
SI2_onepop              Flowering synchrony index of Augspurger (1983)
                        in a polulation
SI3                     Among-individual synchrony index of Koenig et
                        al. (2003)
SI4                     An alternative synchronization index of Marquis
                        (1988)
fCV                     The coefficient of variation at population
                        level
flower                  Tools for characterizing flowering traits
