U.S. Geological SurveyU.S. Department of the Interior DIRK KEMPTHORNE, Secretary U.S. Geological Survey

We use sediment cores from lakes in Glacier Bay National Park to examine the relationship between successional changes in catchment vegetation and trends in water-column nitrogen (a limiting nutrient) and lake primary production. Terrestrial succession at Glacier Bay follows several different pathways, with older sites in the lower bay being colonized… (More)