Page 



4 DISCUSSION 90 



Dominant Environmental Variables and Scale 



of Analysis 9 



Response of Periphyton to Water-Column Nutrients 9 3 



Recommended Predictive Models for Macrophyte 



Variables 9 5 



Applying Predictive Models to Obtain Historical TSI 



Estimates 9 8 



APPENDIX 1 1 1 



APPENDIX 2 1 2 



APPENDIX 3 1 9 



APPENDIX 4 1 1 6 



APPENDIX 5 1 1 8 



APPENDIX 6 120 



BIBLIOGRAPHY 123 



BIOGRAPHICAL SKETCH 1 3 5 



