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Table 2.

Regression statistics for the linear regression of muscle fibre diameter on standard length, and the estimated maximum fibre diameter

Speciesd.f. residualIntercept aSlope br2Significance (P)FDmax (μm)
Tierra del Fuego       
    Eleginops maclovinus 48 67.8±3.1 4.7±0.13 0.96 <0.001 490 
    Paranotothenia magellanica 20 26.0±15.7 13.4±0.8 0.94 <0.001 500 
    Patagonotothen tessellata 16 -16.3±19.7 22.1±1.3 0.95 <0.001 600 
    Patagonotothen sima 9.2±23.8 24.3±2.5 0.94 <0.0001 300 
    Patagonotothen longipes sp. -2.8±72.3 18.7±3.3 0.84 <0.002 550 
       
South Georgia       
    Dissosticus eleginoides 17 135.2±11.4 2.90±0.3 0.87 <0.0001 350 
    Chaenocephalus aceratus -55.2±12.4 12.8±0.4 0.99 <0.0001 600 
    Champsocephalus gunnari 16 -35.7±35.6 14.4±1.3 0.89 <0.0001 500 
       
Antarctic Peninsula       
    Notothenia coriiceps 13 20.9±12.7 13.0±0.5 0.98 <0.0001 550 
Speciesd.f. residualIntercept aSlope br2Significance (P)FDmax (μm)
Tierra del Fuego       
    Eleginops maclovinus 48 67.8±3.1 4.7±0.13 0.96 <0.001 490 
    Paranotothenia magellanica 20 26.0±15.7 13.4±0.8 0.94 <0.001 500 
    Patagonotothen tessellata 16 -16.3±19.7 22.1±1.3 0.95 <0.001 600 
    Patagonotothen sima 9.2±23.8 24.3±2.5 0.94 <0.0001 300 
    Patagonotothen longipes sp. -2.8±72.3 18.7±3.3 0.84 <0.002 550 
       
South Georgia       
    Dissosticus eleginoides 17 135.2±11.4 2.90±0.3 0.87 <0.0001 350 
    Chaenocephalus aceratus -55.2±12.4 12.8±0.4 0.99 <0.0001 600 
    Champsocephalus gunnari 16 -35.7±35.6 14.4±1.3 0.89 <0.0001 500 
       
Antarctic Peninsula       
    Notothenia coriiceps 13 20.9±12.7 13.0±0.5 0.98 <0.0001 550 

d.f., degrees of freedom

FD, fibre diameter; FDmax, maximum fibre diameter, where FD=a+b(FDmax)

Values of a and b are means ± S.E.M.

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