To the people whose labors go beyond ideas into the realm of “real materials”—to the dry-land ecologists, wherever they may be, in whatever time they work, this effort at prediction is dedicated in humility and admiration. W0UdO/qN+1vHouG3fWP8AvKg3BwCmbkNqbXF6R1G1N2qU4CVD2ympmLa70YLFpqU