Overstory Competition -The degree of overstory competition and its source are recorded in order to identify the ways in which access to sunlight is affecting the survival, growth, and vigor of the planted stock. A scale of 0-3 is used to indicate the degree of overstory competition. Zero indicates there is no overstory competion, one signifies less than 25%, two signifies between 26-50%, and three indicates that overstory competition is greater than 50%. The species name that is the source of competition is also recorded.