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Article from the November 2011 edition
Land use figure
Location and watershed land use composition of stream sites.
Characterization and Comparison of Stream Nutrients, Land Use, and Loading Patterns in Maryland Coastal Bay Watersheds
This paper, published in Water, Air, & Soil Pollution 221(1-4): 255–273, discusses land use and its relation to nutrient concentrations and loading via streams in the Maryland Coastal Bays. The most significant correlation was with the land area of feeding operations. A similar relationship was also found with anthropogenic land area (cropland + urban + feeding operations). Wetland area was positively associated with hydric soils. Watersheds with the most crop agriculture had the highest nitrogen export coefficients, while the highest phosphorus export was in a watershed containing a non-operational chicken hatchery. This suggests that agricultural development, especially animal feeding operations, and landscape characteristics are important factors to understand nutrient loading.

The Integration & Application Network is an initiative of the University of Maryland Center for Environmental Science.
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