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. 2000 Feb 11;97(5):2123–2127. doi: 10.1073/pnas.040423397

Table 1.

A priori linear contrasts on the effects of C. maenas effluent for each source population raised at each rearing location and rearing location for each source population in each effluent treatment

Effect Shell thickness
Body mass
45 Days 90 Days 45 Days 90 Days
Effluent effect
 SS + C vs. SS − C 5.5%*** 7.7%*** −8.3%* −25.8%***
 SN + C vs. SN − C 10.8%*** 10.0%*** −9.7%* −14.3%***
 NS + C vs. NS − C 8.1%*** 9.7%*** −12.5%*** −17.3%***
 NN + C vs. NN − C 43.4%*** 46.7%*** −30.2%*** −41.7%***
Location effect
 SS + C vs. SN + C 7.7%*** 8.7%*** −29.2%*** −35.5%***
 SS − C vs. SN − C 13.1%*** 11.0%*** −30.8%*** −23.1%***
 NS + C vs. NN + C 4.9%** 5.8%*** −10.4%*** −15.4%***
 NS − C vs. NN − C 39.2%*** 41.5%*** −27.8%*** −39.3%***

Shown are the percent change in L. obtusata shell thickness and body mass. See legend of Fig. 2 for explanation of labels. *, P < 0.05; **, P < 0.01; ***, P < 0.001.