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Table 2 13C and 15N-uptake by (a) H. ulvae and (b) I. emarginata

From: Altered complementary feeding strategies of the consumers Hydrobia ulvae and Idotea emarginata via passive selectivity

 

df

MS

F ratio

P level

(a) H. ulvae

13C-uptake

 Time

1

6859

1.1951

0.2825

 Species combination

1

13,900

2.4220

0.1295

 Time × species combination

1

11

0.0019

0.9653

 Error

32

5,739

  

15N-uptake

 Time

1

115,397

2.2530

0.1432

 Species combination

1

14,243

0.2781

0.6016

 Time × species combination

1

81,194

1.5852

0.2171

 Error

32

51,219

  

(b) I. emarginata

13C-uptake

 Time

1

972

0.1184

0.7327

 Species combination

1

74,874

9.1134

0.0045

 Time × species combination

1

6,338

0.7715

0.3853

 Error

38

8,216

  

15N-uptake

 Time

1

510,630

3.0833

0.0872

 Species combination

1

156,080

0.9425

0.3378

 Time × species combination

1

362,286

2.1876

0.1474

 Error

38

165,610

  
  1. Results of a full factorial ANOVA for tracer uptake, with time (d1, d2) and species combination (single, mixed) as independent factors and total 13C- or 15N-uptake as dependent variables
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Helgoland Marine Research

ISSN: 1438-3888

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