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Table 3 Mortality estimates (Z) of Anomalocardia brasiliana and Diplodonta punctata populations and associated statistics (ANCOVA)

From: Population dynamics of two suspension-feeding bivalves on a sheltered beach in southeastern Brazil

Parameter

Anomalocardia brasiliana

Diplodonta punctata

Mean (±SD)

P

Mean (±SD)

P

G

12.66 (±0.62)

0.000

12.02 (±0.37)

0.000

Z

3.17 (±0.21)

0.000

3.53 (±0.17)

0.000

R 2

0.94

 

0.96

 

N

18

 

21

 

ANCOVA F 1,36 = 57.81; P < 0.001

  1. ANCOVA homogeneity of slopes: F 1,35 = 0.185; P = 0.182. Homogeneity of variances: F 1,37 = 0.167; P = 0.685
  2. G regression intercept; R 2 determination coefficient; n number of points)