Nag Marsh is a back-barrier salt marsh of the Narragansett Bay National Estuarine Research Reserve, that has displayed an alarming shift in vegetation community over the past decade. Originally a mix of upper and lower marsh components, there has been a gradual displacement of Spartina patens by Spartina alterniflora in recent years. The team assessed a time frame with an end period of 2050 to give an appropriate long-term view for making current and near-term management decisions regarding climate impact. 

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