Stefan Woltmann, Post-doctoral Fellow records data on the condition of a Seaside Sparrow, an indicator species used to assess the effects of hazards on marsh ecosystems. (Photo credit: Phil Stouffer)

Stefan Woltmann, Post-doctoral Fellow records data on the condition of a Seaside Sparrow, an indicator species used to assess the effects of hazards on marsh ecosystems. (Photo credit: Phil Stouffer)