a significant trendp<0.001
There is a significant trend towards more negative average δ 13 C values through time (Student’s t test; p<0.001) and, as with the collagen results, the most variation within Phase V.
There is a significant trend towards more negative average δ 13 C values through time (Student’s t test; p<0.001) and, as with the collagen results, the most variation within Phase V.