Parameter Depth Species
%carbon X² = 2.3538 dF = 1 ns X² = 24.556 dF = 2 p < 0.001
%nitrogen X² = 0.00374 dF = 1 ns X² = 11.189 dF = 2 p = 0.004
CN ratio X² = 0.059822 dF = 1 ns X² = 11.535 dF = 2 p = 0.003