ROLE OF AQUATIC MACROPHYTES IN NUTRIENT FLOW REGULATION IN LOTIC ECOSYSTEMS.

Brian H. Hill

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2 Scopus citations

Abstract

The purpose of this study was to test a conceptual model of nutrient flow regulation by aquatic macrophytes in a flowing drainage ditch in south central Minnesota. The model components consisted of nutrient enrichment of the water via runoff from fertilized agricultural fields, accumulation of some of these nutrients by aquatic macrophytes, and return of the nutrients to the water upon the decay of the macrophytes. The nutrient accumulation by aquatic macrophytes, release of these nutrients upon tissue breakdown was studied. Mass balances for nitrogen and phosphorus indicated that 94% of N and 72% of P accumulated by aquatic macrophytes were obtained from surface sediments.

Original languageEnglish (US)
Title of host publicationASTM Special Technical Publication
EditorsBilly G. Isom
PublisherASTM
Pages157-167
Number of pages11
ISBN (Print)0803104553
StatePublished - Dec 1 1986

Publication series

NameASTM Special Technical Publication
ISSN (Print)0066-0558

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