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Table 1 Principal Components Analysis of the vertical biomass distribution of Daphnia. The eigenvectors of the first three principal components (PC1–PC3) account for more than 95 % of the total variation. Bold numbers depict major contrasts. The bottom line shows the cumulative percentage of the total variation explained by an individual PC.

From: Vertical distribution of zooplankton: density dependence and evidence for an ideal free distribution with costs

Sampling Port Depth (m) PC1 PC2 PC3
P1 0.1 0.140 -0.304 -0.069
P3 1.2 0.111 -0.331 0.132
P4 1.6 0.104 -0.315 0.136
P5 2.1 0.137 -0.270 0.236
P6 2.5 0.649 0.671 -0.019
P7 3.0 -0.535 0.375 0.636
P8 3.5 -0.460 0.187 -0.505
P10 4.6 -0.137 0.005 -0.493
P12 5.5 -0.007 -0.011 -0.038
P14 6.5 -0.002 -0.007 -0.017
Cumulative Variance (%)   51.1 91.8 95.7