Mast (botany) Mast seeding is defined as the highly variable production of fruit by a population. These intermittent pulses of food resources drive ecosystem-level functions and forest dynamics. The difference between a mast seeding year and a non-mast seeding year can be thousands of acorns, hickory nuts, beech nuts, etc. Mast seeding dominantly occurs in wind-pollinated tree species, but has also been observed in grasses and Dipterocarps. Masting, in the strict sense of the term, occurs only in monocarpic (or semelparous) species, whose members reproduce only once during their lifetime, then die. Hypothesis for the evolution of mast seeding can broadly be
Gregg A. Mast actions of pastor and people working together are critical in creating dynamic worship. After all, the word liturgy means, quite simply, 'the work of the people.’ If our liturgy, and our worship, is to be corporately offered to God, then it is important that worship committees be at the forefront of its corporate creation." Gregg A. Mast Gregg Alan Mast is a Reformed clergyman, scholar, and seminary president. Mast is the author of six books on Christian practice and theology, and the editor of a collection of sermons by Reformed minister and theologian Howard G. Hageman Since 2006, Mast has