Figure 2.

Globalization and climate change. Globalization and international trade can potentially bring plants from geographically distant but climatically similar locations into contact with new pathogens (orange arrows). Predicted climate changes could enable pathogens to move short distances along climatic gradients, bringing them into contact with new host trees (blue arrows). Map of global forest distribution (green areas) from © FAO 2005 The world's forest, http://foris.fao.org/static/data/fra2005/maps/2.2.jpg, accessed 9 June 2016. This is an adaptation of an original work by the FAO. The views and opinions expressed in the adaptation are the sole responsibility of the authors of the adaptation and are not endorsed by the FAO.