Ecological Archives A017-064-A2

Emma J. Rochelle-Newall, Christian Winter, Cristina Barrón, Alberto V. Borges, Carlos M. Duarte, Mike Elliott, Michel Frankignoulle, Frederic Gazeau, Jack J. Middelburg, Marie-Dominique Pizay, and Jean-Pierre Gattuso. 2007. Artificial neural network analysis of factors controlling ecosystem metabolism in coastal systems. Ecological Applications 17:S185–S196.

Appendix B. A table of values of the weights from the input layer to the hidden layer and from the hidden layer to the output layer of the model of the ratio of gross primary production to community respiration (GPP:CR) developed in this study based on an artificial neural network (ANN).

A) Values of the weights from the input to the hidden layer

Input layer

Hidden layer

1

2

3

4

5

6

7

8

9

10

11

Depth

0.131

6.449

-10.716

8.078

-13.931

2.585

5.381

2.398

-10.92

0.296

5.663

DOC

7.394

-13.775

10.751

-1.293

13.121

10.13

-7.296

10.355

14.214

-3.498

-0.654

Temp.

-8.381

-3.662

-2.697

21.329

-3.559

6.125

-2.375

-11.76

-55.663

-3.368

-0.44

Bias

6.653

-15.556

-13.665

7.951

-16.762

15.411

-8.725

-25.75

-0.18

2.906

7.385

 
B) Values of the weights from the hidden to the output layer

Hidden layer

GPP:CR

1

0.357

2

-6.58

3

-8.765

4

28.547

5

8.603

6

-11.234

7

6.622

8

0.521

9

28.161

10

0.522

11

-10.398

Bias

-7.81



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