Psydrax odorataand applications for water resource studies CALIFORNIA STATE UNIVERSITYFULLERTON Darren R. Sandquist MazonMaya ETropical dry forests on the Hawaiian Islands have declined in recent decades because of human impacts. Blackmore and Vitousek (2000) found that a dry forest area in the Kona...
To evaluate this hypothesis the δ18O and δ13C ratios from the native tree, Psydrax odorata, were measured in trees taken from an invaded and non-invaded site. To compare trees between sites over time, a method of determining tree age is required. I assessed three methods: dendrochrology...