… verify ecological outcome resulting from management. In temperate North America, Ryan is studying barriers to adoption of agroforestry, with a particular interest in growing a … verify ecological outcome resulting from management. In temperate North America, Ryan is studying barriers to adoption of agroforestry, with a particular interest in growing a … verify ecological outcome resulting from management. In temperate North America, Ryan is studying barriers to adoption of agroforestry, with a particular interest in growing a …