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Table 2 Parameters of growth curves for L. fortunei (VBGF method)

From: Abundance, recruitment, and shell growth of the exotic mussel Limnoperna fortunei in the Río de la Plata (Argentina)

Site

Cohort

t o

L inf(mm)

k

R 2

First-year growth

Suggested longevity (years)

Bagliardi Beach (Río de la Plata Estuary, Argentina)

1

0.030 (January 2002)

 

0.969

0.98

  

2

0.205 (March 2001)

30

0.738

0.98

18 to 20

<3

3

0.626 (August 2001)

 

0.794

0.97

  

Punta Indio (Río de la Plata Estuary, Argentina)

1

0.023 (January 2002)

 

0.978

0.93

  

2

0.474 (June 2001)

 

1.069

0.91

18 to 20

<3

3

0.841 (November 2001)

30

1.127

0.97

  

Atucha I (Paraná de las Palmas River, Argentina)a

1 (follow-up)

- (January 1998)

35

1

-

20

3

Bagliardi Beach (Río de la Plata Estuary, Argentina)b

1

−0.071 (December 1993)

 

0.337

0.99

  

2

0.097 (February 1994)

36

0.340

0.98

10

3.2

 

3

0.513 (July 1994)

 

0.376

0.94

  
  1. t 0 , initial time; L inf, first-year growth; k, growth rate as determined from the growth curves of Figure 5; R2, correlation coefficient from the least-squares regression curves; VBGF, von Bertalanffy growth function for generalized growth in length; VBSGF, von-Bertalanffy seasonal growth function for seasonally oscillating growth in length. aVBSGF method (Boltovskoy and Cataldo 1999), bMaroñas et al. 2003.