bordered on significantP = 0.050
2 ), and the difference in δ 13 C of vane and rachis samples taken from broad-billed prions bordered on significant ( χ 2 = 3.84, P = 0.050).
2 ), and the difference in δ 13 C of vane and rachis samples taken from broad-billed prions bordered on significant ( χ 2 = 3.84, P = 0.050).