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Characterizing Headwater Stream Hydrology And Nitrogen Export During Storms Across A Gradient Of Watershed Development, Jason Sauer Aug 2016

Characterizing Headwater Stream Hydrology And Nitrogen Export During Storms Across A Gradient Of Watershed Development, Jason Sauer

Master's Theses

Nitrogen (N) is a critical element for aquatic ecosystem function that can degrade water quality and cause eutrophication if in excess of natural levels. Anthropogenic nonpoint sources contribute more than 90% of total N added to major watersheds in the U.S, in excess of natural levels, and they are increasing with land development. Storms mobilize N from anthropogenic sources and generate periods of high N export to aquatic ecosystems. In this thesis, I explore how a gradient of watershed development affects the volume-weighted load, composition, and timing of N exported from first-order streams in New England during storms. I find …


Does Infant Formula Availability Reduce Breastfeeding?, Ingvild Madsen Lampe May 2016

Does Infant Formula Availability Reduce Breastfeeding?, Ingvild Madsen Lampe

Master's Theses

Abstract: Several key studies highlight the importance of breastfeeding and there is a broad consensus that it plays a crucial role for a child's health and cognitive development. This is especially true for the poor in developing countries, where vulnerable infants' access to proper nutrition is vital. We investigate the effect of introducing infant formula into a market on changes in breastfeeding patterns. Using the Demographic Health Surveys and annual reports from the baby food industry between 1981 and 2002 in 11 tropical countries, we find evidence that import of infant formula significantly reduces breastfeeding duration. The effects are stronger …