Dwight Boyd

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Grand River Watershed – Linkage to Lake Erie Understanding or conceptualizing linkages within the watershed is the starting point to considering linkages to Lake Erie and the Great Lakes in general. Functional Units on the Landscape Functional Linkages to the River Functional River Reaches Human Intervention or influence on functional processes. Urbanization, drainage, dams, nutrient load River Reaches Connection to Lake Erie
Grand River - Surface Geology • Underlying physics of the watershed. • Geological characteristics will influence what water enters the ground versus what water runs off. • There are three distinct areas in the Grand River watershed. 1. northern till plains 2. central moraines and sand plains 3. southern clay plain • The Grand River Fisheries Management Plan uses these functional areas to help guide fisheries management objectives. • The geology affects water quality. Finer materials in the clay and till plains are easily suspended, they stay in suspended in the water column. They may also carry attached nutrient to the river. • Porous soils in the central moraines require high nutrient applications to be productive farm lands. A portion of the applied nutrients enter the groundwater system and ultimately the river.
Page 1 and 2: 9 Th Annual Grand River Watershed W
Page 3 and 4: Grand River In Context to Great Lak
Page 5 and 6: Lake Erie - Grand River Flows The U
Page 7 and 8: Lake Erie Water Levels
Page 9: Great Lakes Grand River Population
Page 13 and 14: Grand River - Moraine Hummocky Topo
Page 15 and 16: Grand River - Functional Recharge A
Page 17 and 18: Grand River - Runoff Areas • Resu
Page 19 and 20: Grand River - Runoff Linkages Flow
Page 21 and 22: Functional Connection Lake Erie to
Page 23: Credits and Data Sources • Flow D

Dwight Boyd

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