Research ApproachFive objectives were used for this study in order to assess the vulnerability of Eastern Hemlocks in order to assess the vulnerability of Eastern Hemlock in Canada to the spread of Hemlock Woolly Adelgid based of two different climate models. The first uses academic literature to identify factors and contraints of HWA spread. The second and third uses a model to predict future spread of HWA, the fourth compares the two scenarios and the fifth identifies the strengths and weaknesses of the process and model. Objective 1: To identify factors and variables related to the spread of Hemlock Woolly Adelgid Objective 2: To develop a GIS based model evaluating the current spread of Hemlock Woolly Adelgid and Eastern Hemlock Objective 3: To apply model and predict future spread of Hemlock Woolly Adelgid Objective 4: To compare the worst case and best case scenarios for spread of Hemlock Woolly Adelgid and vulnerability of Eastern Hemlock Objective 5: To identify the strengths and weaknesses of the model and the strategy/ processes used for the purpose/user of model
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