Mallets Creek Marsh, Lake Champlain: A plant-nutrient study

Open-File Report 78-462
Prepared in cooperation with the United States Fish and Wildlife Service
By:

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Abstract

Nitrogen and phosphorus dissolved in the interstitial water of Mallets Creek Marsh sediments supply about 42 percent of the nitrogen and about 9 percent of the phosphorus used by rooted macrophytes within the marsh. These percentages may become larger during middle and late summer, when water inflow to the marsh is reduced and the supply of dissolved nitrogen and phosphorus is diminished. Fluctuations in water-surface level alternately saturate and partially dewater sediments between approximately 98.5 feet and 93.5 feet above mean sea level. Repeated water-level declines to below 98.5 feet through lake-level regulation in spring or early summer could transport interstitial nitrogen and phosphorus from the marshes to Lake Champlain. This would decrease the growth of rooted macrophytes within the marsh and promote eutrophication of the lake.

Study Area

Publication type Report
Publication Subtype USGS Numbered Series
Title Mallets Creek Marsh, Lake Champlain: A plant-nutrient study
Series title Open-File Report
Series number 78-462
DOI 10.3133/ofr78462
Year Published 1978
Language English
Publisher U.S. Geological Survey
Description iv, 36 p.
Country United States
State Vermont
Other Geospatial Mallets Creek Marsh, Lake Champlain
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