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Table 2 Palaemon macrodactylus: Two-level nested ANOVA evaluating differences in volume, dry weight and elemental composition of eggs stage I, and dry weight and elemental composition of larvae stage I among type of female and brood or hatch, nested within type of female

From: Seasonal variation in reproductive traits of the oriental shrimp Palaemon macrodactylus (Crustacea: Caridea: Palaemonidae) in a non-native population

Biomass parameters Factor SS df MS F
Egg volume Female type 0.0055 2 0.0027 51.08**
Brood (female type) 0.0006 12 0.00005 0.72
Error 0.0102 135 0.00007  
Egg dry weight Female type 0.0017 1 0.0017 59.17**
Brood (female type) 0.0002 8 0.00002 17.15**
Error 0.00003 20 0.000002  
Egg carbon content Female type 4,919 1 4,919 5.37*
Brood (female type) 7,327 8 916 2.50*
Error 7,336 20 367  
Egg nitrogen content Female type 25.9 1 25.9 0.58
Brood (female type) 354 8 44.3 10.31**
Error 85.8 20 4.3  
Larval dry weight Female type 0.0008 2 0.0004 7.94*
Hatch (female type) 0.0006 12 0.00005 40.19**
Error 0.00004 30 0.00001  
Larval carbon content Female type 5,386 2 2,693 5.50*
Hatch (female type) 5,875 12 490 27.0**
Error 545 30 18  
Larval nitrogen content Female type 931.2 2 465.6 29.84**
Hatch (female type) 187.2 12 15.6 10.9**
Error 43.1 30 1.4  
  1. Significant differences are marked with asterisks (* P < 0.05; ** P < 0.001)
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Helgoland Marine Research

ISSN: 1438-3888

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