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Table A1: Ecosystem services in the ecological and valuation models.

Ecosystem Service Parameter Inland Lakes

Rivers/ streams

Coastal Zones

Recreation/Aesthetics Beach Algae X

Recreation/Safety/Non-use Fecal Coliform* X X X

Recreation/Aesthetics/Non-use Water Clarity (Secchi Disc) X X X

Non-use Biological Condition (Diatoms) X X X

Recreation/Non-use Game Fish Abundance X X Bass Biomass X X

Panfish Biomass X X

Walleye biomass X X X

Yellow Perch Biomass X X

Brown Trout Biomass X

Brook Trout Biomass X

Chinook Salmon Catch Rates X

Coho Salmon Catch Rates X

Steelhead Catch Rates X

Lake Trout Catch Rates X

* Although water safety viz fecal coliform will not be linked to P concentrations in our IAM, it may be affected indirectly by future management options we might examine within the IAM.

Land Economics 96(4), November 2020 “Linking Agricultural Nutrient Pollution to the Value of Freshwater Ecosystem Services” by Frank Lupi, Bruno Basso, Cloé Garnache, Joseph A. Herriges, David W. Hyndman, R. Jan Stevenson

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Figure A1: Research focus area: River basins (in black) that drain to Great Lakes from Michigan’s Lower Peninsula and feed into Lakes Michigan, Huron, and Erie. The red outline is existing LHM model boundary. Red dots depict urban areas and brown represents cropland and pasture. Basemap is land use from the National Land Cover Data

Land Economics 96(4), November 2020 “Linking Agricultural Nutrient Pollution to the Value of Freshwater Ecosystem Services” by Frank Lupi, Bruno Basso, Cloé Garnache, Joseph A. Herriges, David W. Hyndman, R. Jan Stevenson

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Figure A2. Conceptual diagram of linked the models.

Land Economics 96(4), November 2020 “Linking Agricultural Nutrient Pollution to the Value of Freshwater Ecosystem Services” by Frank Lupi, Bruno Basso, Cloé Garnache, Joseph A. Herriges, David W. Hyndman, R. Jan Stevenson