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. 7k1pwHMZ+N+7pFTd4IzXkhAR8/NV4QcVAEMk3F89ul/ioHVEBJlqDxBX3sMw13ov